0001]The present invention relates to a measurement apparatus, measurement method, and a program.
BACKGROUND
[0002]Transmitter is attached, such as recent diverse managed in IC (integrated circuit) tag. Transmitter is included that uniquely identifies ID (identification) of the transmitter to the signal transmits a signal. In the reader receives the outgoing signal of the transmitter detects the ID receiving a signal. Thus, to obtain information such as the managed ID attached a transmitter (position information) can manage the management target using the position information and the like.
[0003]
　By the way by the aging of the transmitter, it is conceivable that by attaching new transmitter along with the old transmitter (old transmitter) that degrade the (new transmitter) managed to manage the managed. In such a case, differences and the reception intensity of the signal of the reader from the old transmitter and new transmitter, not easily understand a technique prompted receiving intensity in the read device in accordance with the distance from their transmitter It was. Also If you replace the new transmitter from the old transmitter, effects can grasp technology when fitted with a new transmitter in addition to the old transmitter has been demanded. Related art is disclosed in Patent Documents 1-3.
CITATION
Patent Document
[0004]
Patent Document 1: JP 2005-331434 Patent Publication
Patent Document 2: JP 2009-065296 Patent Publication
Patent Document 3: JP 2012-134656 JP
Summary of the Invention
Problems that the Invention is to Solve
[0005]
　This invention aims to provide a measuring apparatus, measuring method, a program for solving the problems described above.
Means for Solving the Problems
[0006]
　According to a first aspect of the present invention, the measuring device, the reception intensity and reception intensity measurement unit, for each of the plurality of transmitters for measuring the reception intensity of the radio signals of different frequencies transmitted from a plurality of transmitters characterized in that it comprises successively a recording unit for recording, the a.
[0007]
　According to a second aspect of the present invention, the measurement method, the reception intensity of the radio signals of different frequencies transmitted from a plurality of transmitters is measured, the reception intensity sequentially be recorded for each of the plurality of transmitters the features.
[0008]
　According to a third aspect of the present invention, a program causes a computer of the measuring device, the reception intensity of the radio signals of different frequencies transmitted from a plurality of transmitters is measured, the reception strength for each of the plurality of transmitters sequentially recorded, to execute the process.
Effect of the invention
[0009]
　According to the present invention, easily understand the differences and the reception intensity of the signal of the reader from the old transmitter and new transmitter which is attached to the managed, the reception intensity in the reading device in accordance with the distance from their transmitter can do. Also it is possible to easily grasp the effect of and is inserted with the new transmitter in addition to the old transmitter to replace the new transmitter from the old transmitter.
BRIEF DESCRIPTION OF THE DRAWINGS
[0010]
FIG. 1 is a diagram showing an overview of the measurement system comprising a measuring device and the transmitting device according to the first embodiment.
It is a diagram showing a hardware configuration example of FIG. 2 measuring apparatus according to the first embodiment.
3 is a functional block diagram of a measuring apparatus according to the first embodiment.
It is a diagram illustrating a processing flow of FIG. 4 measuring device according to the first embodiment.
5 is a diagram showing an outline of a measurement system including a measuring device and the transmitting device according to a second embodiment.
Is a diagram showing another example of FIG. 6 measuring device.
7 is a diagram showing a hardware configuration example of a measuring apparatus according to the third embodiment.
8 is a functional block diagram of a measuring apparatus according to the fourth embodiment.
[9] shows the measurement result table created in the recording unit.
It is a diagram illustrating a reception intensity distribution created on the basis of FIG. 10 measurement results.
Is a diagram showing a minimal configuration of FIG. 11 measuring device.
DESCRIPTION OF THE INVENTION
[0011]
(First embodiment)
　will be described below measuring apparatus according to the first embodiment with reference to the drawings.
　Figure 1 is a diagram showing an outline of the measurement system comprising a measuring device and the transmitting device according to the first embodiment.
　Measuring device 1 as shown in this figure includes a first antenna 101, the second antenna 102. Measuring apparatus 1 receives the oscillation signal of a frequency different from the plurality of transmitters attached to the managed, a device to measure and record the received strength respectively. The managed is attached is the first transmitter 21 originally by the first transmitter 21 is deteriorated over time, newer second transmitter 22 is attached by the administrator. Managed there may, for example, containers or trucks, pallet like. The first transmitter 21 or the second transmitter 22 is assumed to be a transmitter called RFID (radio frequency identification) tag is an example. The first antenna 101 is designed to receive a signal transmitted in the first transmission device 21. The second antenna 102 is designed to receive a signal transmitted in the second transmission device 22.
[0012]
　When the measurement apparatus 1 is instructed by the user, from a first antenna 101 transmits the first outgoing request signal, then the second antenna 102 transmits a second origination request signal. The first origination request signal is a signal of a first frequency that can be received by the first transmitter 21. Second origination request signal is a signal of a second frequency that can be received by the second transmitter 22. When the second frequency of the first frequency and the second outgoing call request signal of the first outgoing call request signal can be distinguished on the basis of the information contained in these signals, a first frequency and the second frequency is the same frequency it may be. When the first transmitter 21 receives the first outgoing request signal, it transmits the first radio signal in the first frequency based on the electromotive force of the electromotive force generated by the RFID technology. If the second transmitter 22 receives a second origination request signal, it transmits a second radio signal of the second frequency based on the electromotive force of the electromotive force generated by the RFID technology. A first frequency of the likewise first radio signal, and the second frequency of the second radio signal, in a case where distinguishable on the basis of the information contained in those signals may be the same frequency.
[0013]
　The first antenna 101 receives a first radio signal. The second antenna 102 receives the second radio signal. Measuring device 1 measures the first reception strength of the first radio signal received sequentially and the second reception strength of the second radio signal. Measuring apparatus 1 is recorded in association with ID of the first transmitter 21 included a first reception strength to the first radio signal. Measuring apparatus 1 is recorded in association with ID of the second transmitter 22 included a second reception strength to the second radio signal. Note that if the first frequency and the second frequency are the same frequency may be provided with a single antenna only measuring device 1. Measuring device 1 distinguishes between first radio signal and the second radio signals based on the information included in the radio signal may be measured reception intensity of each radio signal. Hereinafter, an example of a case where the first frequency and the second frequency are different frequencies.
[0014]
　Figure 2 is a diagram showing a hardware configuration example of a measuring apparatus according to the first embodiment.
　Measuring device 1 as shown in FIG. 2, the first antenna 101, second antenna 102, CPU (Central Processing Unit) 103, ROM (Read Only Memory) 104, RAM (Random Access Memory) 105, SSD (Solid State Drive ) 106 may comprise an example of each hardware configuration of the interface 107. Interface 107 for example, a liquid crystal touch panel and buttons. Measuring apparatus 1 may be configured to further include other hardware.
[0015]
　Figure 3 is a functional block diagram of a measuring apparatus according to the first embodiment.
　CPU103 of the measuring device 1 as an example, executes a pre-stored measurement program. Thus, the control unit 111 to the measuring apparatus 1, transmission unit 112, the reception intensity measurement unit 113, signal analyzing unit 114, provided the function of the recording unit 115. Some of these functions may also be realized inside the measuring apparatus 1 by an electronic circuit.
[0016]
　Control unit 111 controls other functional units.
　Transmitting portion 112 after detecting the start of measurement based on a signal obtained from the interface 107 (FIG. 2), the control from the first antenna 101 to output the outgoing request signal for the first transmitter 21, and, from the second antenna 102 performs control to output a transmission request signal to the second transmitter 22.
　Reception intensity measurement unit 113 measures the reception strength such as RSSI (Received Signal Strength Indicator) of the outgoing radio signals from a plurality of transmitting devices 21 and 22 for each transmitter.
　Signal analyzing unit 114 analyzes the information contained in the radio signals emitted from the transmitter 21. Signal analyzing unit 114 analyzes the ID of the originating device 21 and 22 included in the example radio signals.
　Recording unit 115 sequentially recorded in the storage unit such as a reception strength reception intensity measurement unit 113 has measured, in association with information and an analysis result of the signal analysis unit 114 SSD106 (Figure 2).
[0017]
　Figure 4 is a diagram depicting a processing flow of the measuring apparatus according to the first embodiment.
　Next will be described in order to process the measurement apparatus 1 according to the first embodiment.
　By first the user operates the interface 107 provided in the measuring apparatus 1, the control unit 111 of the measuring apparatus 1 accepts an input of the start measurement (step S101). Control unit 111 outputs a signal for starting measurement to the transmitting unit 112. When transmitting unit 112 detects the start of measurement, is from the first antenna 101 transmits the outbound request signal of a first frequency (step S102).
[0018]
　The first transmitter 21 receives a transmission request signal of the first frequency. The first transmitter 21 outputs the first RFID signal with electromotive force based on the reception of the signal. The the first RFID signal includes information such as the ID of the first transmitter 21.
　The first antenna 101 receives a first RFID signal (step S103).
　Reception intensity measurement unit 113 measures the reception intensity upon receiving the first RFID signal at a first antenna 101 (step S104). It may be used measurement technique known RSSI to measure the reception intensity. Reception intensity measurement unit 113 outputs the reception intensity at the time of receiving the first RFID signal to the recording unit 115.
[0019]
　The signal analyzing unit 114 analyzes information included in the first RFID signals received by the first antenna 101 (step S105). The signal analyzing unit 114 outputs the information included in the first RFID signal received to the recording unit 115.
　Recording unit 115 associates the receiving intensity measured by the reception intensity measurement unit 113, the ID of the first transmitter 21, which is an example of information included in the first RFID signal, recorded in a storage unit such as SSD106 (step S106).
[0020]
　Control unit 111 and the processing for the first transmitter 21 is completed, instructs the signal originating from the second antenna 102. When transmitting unit 112 detects the instruction, to the second antenna 102 transmits the outbound request signal of the second frequency (step S107).
[0021]
　The second transmitter 22 receives a transmission request signal of the second frequency. The second transmitting device 22 outputs the second RFID signal with electromotive force based on the reception of the signal. The the second RFID signal includes information such as the ID of the second transmitter 22.
　The second antenna 102 receives the second RFID signal (step S108).
　Reception intensity measurement unit 113 measures the reception intensity upon receiving the second RFID signal with a second antenna 102 (step S109). It may be used measurement technique known RSSI to measure the reception intensity. Reception intensity measurement unit 113 outputs the reception intensity when receiving the second RFID signal to the recording unit 115.
[0022]
　The signal analyzing unit 114 analyzes the information contained in the second RFID signals received by the second antenna 102 (step S110). The signal analyzing unit 114 outputs the information included in the second RFID signal received to the recording unit 115.
　Recording unit 115 associates the receiving intensity measured by the reception intensity measurement unit 113, the ID of the second transmitter 22 is an example of information included in the second RFID signal, recorded in a storage unit such as SSD106 (step S111).
[0023]
　When the control unit 111 ends the processing of the processing and the second antenna 102 for the first antenna 101, and outputs the instruction image to move to the next location on the liquid crystal touch panel or the like as an interface 107 (step S112). The user moves to another position. That is, the user moves in accordance displayed instruction image. Then, the user performs the same first transmitter 21 that are installed in the managed start of measurement for the second transmitter 22, by operating the interface 107. Measuring device 1, for the same managed, it measures the strength of the received signal from different positions radio signals transmitted from the first transmitter 21 and the second transmitter 22. Controller 111 of the measuring apparatus 1 determines whether to input an instruction for the next measurement start (step S113). When the control unit 111 inputs an instruction to start measurement (YES in step S113), it performs the processing is repeated from step S102. Control unit 111 ends the process by entering an instruction of measurement end (NO in step S113).
[0024]
　User substantially mounted in the same position as the same first transmitter 21 of the start of measurement for the second transmitter 22 operations managed to enter it each time repeating the movement. That is, the user with respect to the first transmitter 21 and the second transmitter 22 the distance from the measuring device 1 is approximated repeats the measurement process while changing the distance and position. Thus, it is possible to perform the first transmitter 21 at a position apart plurality of measuring the reception strength for the second transmitter 22. The user simply inputs an instruction to start the measurement by repeating the movement, the first transmitter 21 or the second transmitter 22 is away from the position that is attached to the managed, by measuring the reception intensity at a plurality of locations can. It can be measured with the first transmitter 21 by using the information recorded in the SSD106 distribution of reception intensities corresponding to the relative position from the second transmitter 22.
　Thus, it is possible to measure the difference in reception intensity of the radio signal received from the first transmitter 21 is attached to a managed (formerly transmitter) and the second transmitter 22 (new transmitter). Further, and when replacing the first transmitter 21 (formerly transmitter) to the second transmission device 22 (new transmitter), the second transmitter 22 in addition to the first transmission device 21 (formerly transmitter) (New transmitter ) can easily understand the effect of fitted with.
[0025]
　In a first embodiment, the distance from the position of the first transmitter 21 or the second transmitter 22 to a position where the user has instructed to start measurement, so the user inputs to the interface 107 every time instructing measurement start it may be. In that case, the recording unit 115 of the measuring apparatus 1, for example, in step S106 and step S111 in the first embodiment, in association with the ID of the first transmitter or the second transmitter, distance information which further receives an input the record. This makes it possible to easily grasp the reception intensity according to the distance from the first transmitter 21 (formerly transmitter) and the second transmitter 22 (new transmitter) to the measuring apparatus 1. That is, it is possible to grasp the directional differences corresponding to the distance of each transmitter 21, 22.
[0026]
(Second Embodiment)
　FIG. 5 is a diagram showing an overview of the measurement system comprising a measuring device and the transmitting device according to a second embodiment.
　The measuring device 1 as shown in figure may be provided with a distance meter 108 capable of measuring the distance and direction to the position of the first transmitter 21 and second transmitter 22. That range finder 108 has a function of direction measurement. Direction of the first transmitter 21 or the second transmitter device 22, the table by a horizontal angle θ1 formed by the axial direction and the axial direction of the distance meter 108 is first antenna 101 and second antenna 102 provided in the measuring device 1 It is. Horizontal angle θ1 is an angle with the axial direction of the first antenna 101 and second antenna 102, and the axial distance meter 108 made in the same horizontal plane. Hardware configuration of other measurement apparatus 1 is the same as the hardware configuration shown in FIG. Distance meter 108, for example, a laser diode (not shown), for receiving the laser beam of the reflected light originating from a laser diode. Range finder 108 and difference transmission time and the reception time of the reflected light of the laser beam, with the phase difference, the laser beam to measure the distance D1, D2 to the reflecting point reflected. Measurement Method of distance by the distance meter 108 may known techniques may be used. The distance meter 108 measures the horizontal angle θ1 by detecting the rotation angle from a predetermined position of the distance meter 108 itself of the rotating mechanism. Distance meter 108 outputs the information of the distance D1, D2 of the information and the horizontal angle θ1 of the measuring apparatus 1 to the recording unit 115.
[0027]
　The user in performing an instruction to start measurement, direct the distance meter 108 in the direction of the first transmitter 21 and second transmitter 22. The first embodiment similarly to the control unit 111 at step S101 when receiving the input of the start measurement, the control unit 111 outputs a measurement instruction to the range finder 108. Distance meter 108 measures the horizontal angle θ1 and the distance D2 to the first transmitter 21 and second transmitter 22. Distance meter 108 outputs the information of the horizontal angle θ1 and the distance D2 measured in the measuring apparatus 1 to the recording unit 115. Recording unit 115 of the measuring apparatus 1, for example, in step S106 and step S111 in the first embodiment, in association with the ID of the first transmitter and the second transmitter further records information of the distance D2 between the horizontal angle θ1 to.
[0028]
　As shown in FIG. 5, the user axial orientation of the antenna measuring apparatus 1 at the time of measurement, the perpendicular to the plane of the managed attached with a first transmitter 21 and the second transmitter 22 to grip so. That user even when measured by changing the relative positions of the first transmitter 21 and second transmitter 22, a first antenna 101 and the axial direction of the second antenna 102 provided in the measuring device 1 without changing measures the reception intensity of a radio signal from the transmitter 21. In this case, it determines distance meter 108 automatically the horizontal angle θ1 and the distance D2. Thus, when creating the reception intensity distribution chart after the information of the recorded reception intensity, using the information of an angle θ1 and the distance D2 in the reception intensity when measured at any position relative to the transmitter 21 it is possible to determine whether there.
[0029]
　6 is a diagram showing another example of the measuring device.
　Distance meter 108 of the measuring apparatus 1 shown in FIG. 6, the vertical angle θ2 formed by the axial direction and the axial direction of the distance meter 108 is first antenna 101 and second antenna 102 provided in the measuring apparatus 1 further it can be measured. Vertical angle θ2 is, the axial direction of the first antenna 101 and second antenna 102, and the axial distance meter 108 is an angle made by the same vertical plane. That measurement apparatus 1 can measure both the horizontal angle θ1 vertical angle .theta.2. As in the case shown in FIG. 5, the control unit 111 accepts an input of a start measurement at step S101, the control unit 111 outputs a measurement instruction to the range finder 108. Distance meter 108 measures the distance and horizontal angle θ1 and the vertical angle θ2 to the first transmitter 21 and second transmitter 22.
　Distance meter 108 outputs the information of the distance and horizontal angle θ1 and the vertical angle θ2 measured of the measuring apparatus 1 to the recording unit 115. Recording unit 115 of the measuring apparatus 1 in step S106 and step S111 of the example first embodiment, in association with the ID of the first transmitter and the second transmitter further distance and the horizontal angle θ1 and the vertical angle θ2 information is recorded.
　This makes it possible to grasp the reception intensity according to the distance and the relative direction from the first transmitter 21 (formerly transmitter) and the second transmitter 22 (new transmitter) to the measuring device 1 with high accuracy. That is, it is possible to grasp the directional differences and features in accordance with the distance and relative direction of each transmitter 21, 22 with higher accuracy.
[0030]
(Third Embodiment)
　FIG. 7 is a diagram showing a hardware configuration example of a measuring apparatus according to the third embodiment.
　Measuring device 1 as shown in FIG. 7, in addition to the hardware configuration described in FIG. 3, the temperature measuring unit 121, a humidity measuring unit 122, and a clock section 123. Incidentally it may have a structure of a distance meter 108 shown in also the second embodiment in the third embodiment.
　When the first embodiment similarly to the control unit 111 at step S101 receives an input of the start measurement, the control unit 111 temperature measuring unit 121, a humidity measuring unit 122, and outputs a measurement instruction to the clock section 123. Temperature measurement unit 121 measures the temperature of the surrounding environment of the measuring apparatus 1. Humidity measuring unit 122 measures the humidity of the surrounding environment of the measuring apparatus 1. Timer section 123 has been measuring time. Temperature measuring unit 121 outputs the measured temperature to the recording unit 115. Hygrometer 12 outputs the measured humidity to the recording unit 115. Timing unit 123 outputs the date and time instructed start of measurement to the recording unit 115. Recording unit 115 of the measuring apparatus 1, for example, in step S106 and step S111 in the first embodiment, in association with the ID of the first transmitter 21 and second transmitter 22, further, temperature, humidity, date and time information such as the record.
[0031]
　Thus recorded in association temperature and humidity, date, information such as time on the reception intensity of the outgoing radio signals from the first transmitter 21 and second transmitter 22. Therefore, it is possible to record information such as temperature and humidity and time is the ambient environment in which to measure the reception intensity at the time of measurement.
　Accordingly, the temperature, humidity, and vary according to factors of the surrounding environment of the measuring device 1 of the time or the like, the first transmitter 21 of the directivity of the (old transmitter) and the second transmitter 22 (new transmitter) it is possible to grasp the difference and characteristics.
[0032]
(Fourth Embodiment)
　FIG. 8 is a functional block diagram of a measuring apparatus according to the fourth embodiment.
　Measuring device 1 as shown in FIG. 8, in addition to the functional configuration described in FIG 3, further comprising a function of the display unit 116.
　The display unit 116 performs processing for displaying the information recording unit 115 has recorded the SSD106. Incidentally measuring device 1, in addition to the function shown in the second embodiment and the third embodiment may further include a function of the display unit 116.
[0033]
　Figure 9 shows the measurement result table created in the recording unit.
　By performing the recording process described above the printing unit 115 of the measuring apparatus 1 in the embodiment as an example, it can be created measurement result table as shown in FIG. Measurement result table shown in FIG. 9, the measurement number, ID of the first transmitter, the first reception strength stored in association when received by the first transmission device 21 first antenna 101 a radio signal transmitted from ing. Measurement result table further, ID of the second transmitter, and a radio signal transmitted from the second transmitter 22 associates and stores the second reception strength when received by the second antenna 102. Measurement result table further, horizontal angle .theta.1, vertical angle .theta.2, distance to the transmitter, temperature, and stored in association humidity and time.
[0034]
　Display unit 116 of the measuring apparatus 1 acquires the measurement result table stored in the SSD106, displayed on the LCD screen of the interface 107. For example performs display processing of the measurement result table according to an instruction from the user.
[0035]
　Figure 10 is a diagram illustrating a reception intensity distribution created based on the measurement results.
　Display unit 116 of the measuring apparatus 1, the measurement results by using the information recorded in the table, so as to display on the LCD screen of the interface 107 to create a reception intensity distribution for each transmitter, as shown in FIG. 10 it may be.
　Display unit 116 first creates a reception intensity distribution of outgoing radio signals from the first transmitter 21. At this time, the display unit 116, for each of the measurement times that are recorded, the first reception strength is the received intensity of the outgoing radio signals from the first transmitter 21, the horizontal angle .theta.1, acquires at least the distance. Display unit 116 on the basis of the horizontal angle θ1 and the distance, and calculates the relative position from the measurement device 1. Display unit 116 on the basis of a combination of a plurality of reception intensity at the calculated relative position and its position, such as by interpolation calculation, calculates a plurality of relative positions which differ that is estimated to equal reception intensity. The display unit 116 bear plurality of relative positions estimated equal reception intensity in the elliptical arc, creating a reception intensity distribution for the first transmitter 21 as shown in Figure 10. Display unit 116 also creates a receiving intensity distribution for the second transmitter 22 as shown in Figure 10. The display unit 116 displays an image indicating the reception intensity distribution for the received intensity distribution and the second transmitter 22 of the first transmission device 21 on the liquid crystal display of the interface 107.
　By performing such processing, it is possible to two transmitter 21, 22 attached to the managed displays the received intensity distribution of a radio signal transmitted.
　The display unit 116 may create the reception intensity distribution on the basis of the further vertical angle .theta.2. Thus, for each transmitter 21, 22, it is possible to create a more accurate reception intensity distribution. Further, the display unit 116, the temperature of the measuring apparatus 1, humidity, and may create a reception intensity distribution based on the elements of the ambient environment, such as time. Thus, it is possible in consideration of the elements of the ambient environment, creating a reception intensity distribution of each transmitter 21, 22.
[0036]
　The user may be created in the device other than the measurement apparatus 1 received intensity distribution as shown in Figure 10. In this case the user operates the measuring device 1, and instructs the transmission to the predetermined device information of the measurement result table. Measuring apparatus 1 is transmitted to the predetermined device is instructed to information of the measurement result table. Generating the reception intensity distribution in the apparatus which has received the measurement result table may be the same as the process described above.
[0037]
(Fifth Embodiment)
　The reception intensity measurement unit 113 in each of the embodiments discussed above and the reception intensity of the first RFID signals received by the first antenna 101, a reception intensity of a second RFID signals received by the second antenna 102 It is detected. Reception intensity measurement unit 113 in this detection receives the RFID signal is a radio signal of a plurality of times from the transmitters in a single measurement, statistics based on each reception intensity due to multiple receive their RFID signals calculation may be. Reception intensity measurement unit 113 outputs to the recording unit 115 the calculated statistical value as the reception intensity. Statistics for example, an average value, median value, or and the like. Statistics of the reception intensity of the recording unit 115, for each transmitter acquired recorded corresponding respectively to the ID of the originating device. Thus, the reception intensity measurement unit 113, based on the reception intensity of the radio signals received over a plurality of times at the same position, the reception strength may be measured. Thus, it is possible to measure the reception intensity according to the position more accurately.
[0038]
　It may be used in combination a plurality of embodiments of the first to fifth embodiments. Accordingly, the distance and direction, a combination of environmental, to be capable of more appropriately grasp the first transmitter 21 (formerly transmitter) and the second transmitter 22 directional differences and characteristics of (new transmitter) Become. Accordingly, and when replacing the first transmitter 21 (formerly transmitter) to the second transmission device 22 (new transmitter), the second transmitter 22 in addition to the first transmission device 21 (formerly transmitter) (New transmitter ) can be more appropriately grasp the effect of the attached.
　The program may be one for realizing a part of functions of each processing unit described above. Furthermore, what can be achieved in combination with a program already recorded in the above-described functions in the computer system may be a so-called differential file (differential program).
[0039]
　Figure 11 is a diagram showing a minimal configuration of the measurement device.
　As shown in Figure 11, the measuring apparatus 1 at least, a reception intensity measurement unit that measures the reception intensity of the radio signals of different frequencies originating from different transmitters, sequentially records the reception strength for each of a plurality of transmitters comprising a recording section for, a. Measuring apparatus 1 may be a measurement circuit.
[0040]
　Some or all of the above embodiments, can be described as the following notes, not limited to the following.
(Supplementary Note 1)
　and the reception intensity measurement unit that measures the reception intensity of different frequency of the radio signal transmitted from a plurality of transmitters,
　and a recording unit that sequentially records the received intensity for each of the plurality of transmitters
　measured with a apparatus.
[0041]
(Supplementary Note 2)
　comprises a plurality of antennas to perform radio communication with each of the plurality of transmitters
　measuring device according to Appendix 1.
[0042]
(Supplementary Note 3)
　in After detecting the start of measurement, a transmitting unit for outputting a transmission request signal for sequentially the transmitter from the plurality of antennas, further comprising a
　said reception intensity measurement unit, depending on the calling request signal measuring the reception strength of the wireless signal transmitted from the plurality of transmitters,
　measuring device according to Appendix 2.
[0043]
(Supplementary Note 4)
　The recording section records the statistical values of the reception intensity based on the radio signal transmitted a plurality of times from each of the plurality of transmitters for each of the plurality of transmitters
　one of Supplementary Note 3 Appendixes 1 the measuring apparatus according to an item.
[0044]
(Supplementary Note 5)
　further comprising a rangefinder for measuring the distance to a plurality of transmitters,
　wherein the recording unit further associates the distance to the transmitter for each of the plurality of transmitters to the receiving intensity recorded
　measuring apparatus according to any one of appendices 4 from Appendix 1.
[0045]
(Supplementary Note 6)
　further comprising a direction measuring unit for measuring the direction of the plurality of transmitters,
　wherein the recording unit, said transmitter apparatus further associates the direction to the received strength recorded up for each of the plurality of transmitters to
　measure device according to Appendix 1 to any one of appendices 5.
[0046]
(Supplementary Note 7)
　further comprises a temperature measuring unit for measuring the ambient temperature,
　the recording unit, the temperature of the ambient for each of the plurality of transmitter further recorded in association with the reception intensity
　of Appendices 6 Appendixes 1 any measuring device according to one paragraph.
[0047]
(Supplementary Note 8)
　further includes a humidity measuring unit for measuring the humidity of the ambient,
　the recording unit, the humidity of the ambient for each of the plurality of transmitter further recorded in association with the reception intensity
　of Appendices 7 Appendix 1 any measuring device according to one paragraph.
[0048]
(Supplementary Note 9)
　time further comprising a timer unit for measuring a
　said recording section further records in association with the time of the reception strength was measured for each of the plurality of transmitters to the receiving intensity
　of Appendixes 1 of Appendix 8 any measuring device according to one paragraph.
[0049]
(Supplementary Note 10)
　The measuring device according a display unit for displaying the recorded information on the recording unit, from Appendix 1, further comprising a any one of Appendices 9.
[0050]
(Supplementary Note 11)
　The reception intensity of the radio signals of different frequencies transmitted from a plurality of transmitters is measured,
　sequentially records the received intensity for each of the plurality of transmitters
　measuring method.
[0051]
(Supplementary Note 12)
　The computer of the measuring device,
　to measure the reception intensity of the radio signals of different frequencies transmitted from a plurality of transmitters,
　sequentially records the received intensity for each of the plurality of transmitters,
　a program for executing the processing .
[0052]
　This application claims priority based on Japanese Patent Application has been Japanese Patent Application No. 2017-004932 on January 16, 2017, the entire disclosure of which is incorporated herein.
Industrial Applicability
[0053]
　According to the present invention, easily understand the differences and the reception intensity of the signal of the reader from the old transmitter and new transmitter which is attached to the managed, the reception intensity in the reading device in accordance with the distance from their transmitter can do. Also it is possible to easily grasp the effect of and is inserted with the new transmitter in addition to the old transmitter to replace the new transmitter from the old transmitter.
DESCRIPTION OF SYMBOLS
[0054]
1 ... measuring device
21 ... first transmitter
22 ... second transmitters
101 ... first antenna
102 ... second antenna
103
... CPU 104 ...
ROM 105 ... RAM
106 ...
SSD 107 ... interface
108 ... distance meter
111 ... control unit
112 ... transmitting portion
113 ... reception intensity measurement unit
114 ... signal analyzer
115 ... recording part
116 ... display unit
121 ... temperature measuring unit
122 ... humidity measuring unit
123 ... timer unit

WE CLAIM

A reception intensity measurement unit that measures the reception intensity of the radio signals of different frequencies transmitted from a plurality of transmitters,
　and a recording unit that sequentially records the received intensity for each of the plurality of transmitters
　measuring device comprising a.
[Requested item 2]
　A plurality of antennas to perform radio communication with each of the plurality of transmitters
　measuring device according to claim 1.
[Requested item 3]
　To After detecting the start of measurement, a transmitting unit for outputting a transmission request signal for sequentially the transmitter from the plurality of antennas, further comprising a
　said reception intensity measurement unit, the plurality of outgoing depending on the calling request signal measuring the reception strength of the wireless signal transmitted from the device,
　the measurement device according to claim 2.
[Requested item 4]
　The recording section records the statistical values of the reception intensity based on the radio signal transmitted a plurality of times from each of the plurality of transmitters for each of the plurality of transmitters
　any one of claims 1 to 3 measuring apparatus according to.
[Requested item 5]
　Further comprising a rangefinder for measuring a distance to the plurality of transmitters,
　wherein the recording section further records in association with the distance to the transmitter for each of the plurality of transmitters to the receiving intensity
　claim measurement apparatus according to any one of claims 1 to 4.
[Requested item 6]
　Further comprising a direction measuring unit for measuring the direction of the plurality of transmitters,
　wherein the recording section further records in association with the direction to the transmitter for each of the plurality of transmitters to the receiving intensity
　claim 1 measurement apparatus according to any one of claims 5.
[Requested item 7]
　Further comprising a temperature measuring unit for measuring the ambient temperature,
　the recording unit, the temperature of the ambient for each of the plurality of transmitter further recorded in association with the reception intensity
　either of claims 1 to 6 the measuring apparatus according to an item.
[Requested item 8]
　Further comprising a humidity measuring unit for measuring the humidity of the ambient,
　the recording unit, the humidity of the ambient for each of the plurality of transmitter further recorded in association with the reception intensity
　either of claims 1 to 7 the measuring apparatus according to an item.
[Requested item 9]
　Time further comprising a timer unit for measuring a
　said recording unit, the time when the reception strength measured for each of the plurality of transmitter further recorded in association with the reception intensity
　either of claims 1 to 8 the measuring apparatus according to an item.
[Requested item 10]
　Measurement apparatus according to any one of claims 1 to 9, further comprising a display unit, the displaying the recorded information of the recording portion.
[Requested item 11]
　Different reception intensity of the radio signal of the frequency measured, transmitted from a plurality of transmitters
　sequentially records the received intensity for each of the plurality of transmitters
　measuring method.
[Requested item 12]
　The computer of the measuring device,
　the reception intensity of the radio signals of different frequencies transmitted from a plurality of transmitters is measured,
　sequentially records the received intensity for each of the plurality of transmitters,
　a program for executing the process.