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"Two Line Dimmer Switch"
Abstract: A two line dimmer switch provided with: a primary open close circuit (10) having a triac (11) as a primary switch element; a frequency detecting circuit (17) for detecting the frequency of an AC source (2); an auxiliary open close circuit (18) for directing load current when the primary switch element is not conducting using a thyristor as an auxiliary switch element; a dimmer setting circuit (4) operated by the user; and a control circuit (16) for detecting the frequency of the AC source (2) on the basis of a detection signal from the frequency detection circuit (17) and estimating a voltage zero cross point starting output of a drive signal for causing the auxiliary open close circuit (18) to conduct at a first timing and stopping output of the drive signal at a second timing before a predetermined time in relation to the next estimated voltage zero cross point; wherein when the load current value is small and the primary open close circuit (10) is not conducting the load current is continued on the auxiliary open close circuit (18). The brightness of the LED bulb is thereby stabilized and flickering and shimmering are minimized even when the LED bulb is connected as the lighting load.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
08 July 2014
Publication Number
36/2016
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2023-12-14
Renewal Date
Applicants
PANASONIC CORPORATION
1006 Oaza Kadoma Kadoma shi Osaka
5718501
Inventors
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 5664-DELNP-2014-Correspondence-301123.pdf | 2024-01-05 |
| 1 | Form 5.pdf | 2014-07-11 |
| 2 | Form 3.pdf | 2014-07-11 |
| 2 | 5664-DELNP-2014-GPA-301123.pdf | 2024-01-05 |
| 3 | Drawings.pdf | 2014-07-11 |
| 3 | 5664-DELNP-2014-IntimationOfGrant14-12-2023.pdf | 2023-12-14 |
| 4 | CS.pdf | 2014-07-11 |
| 4 | 5664-DELNP-2014-PatentCertificate14-12-2023.pdf | 2023-12-14 |
| 5 | 5664-DELNP-2014-FORM 3 [13-12-2023(online)].pdf | 2023-12-13 |
| 5 | 304.pdf | 2014-07-11 |
| 6 | 5664-DELNP-2014.pdf | 2014-07-26 |
| 6 | 5664-DELNP-2014-PETITION UNDER RULE 137 [13-12-2023(online)]-1.pdf | 2023-12-13 |
| 7 | 5664-DELNP-2014-PETITION UNDER RULE 137 [13-12-2023(online)].pdf | 2023-12-13 |
| 7 | 5664-delnp-2014-Form-3-(08-08-2014).pdf | 2014-08-08 |
| 8 | 5664-DELNP-2014-Written submissions and relevant documents [13-12-2023(online)].pdf | 2023-12-13 |
| 8 | 5664-delnp-2014-Correspondence-Others-(08-08-2014).pdf | 2014-08-08 |
| 9 | 5664-DELNP-2014-GPA-(20-08-2014).pdf | 2014-08-20 |
| 9 | 5664-DELNP-2014-Correspondence to notify the Controller [21-11-2023(online)].pdf | 2023-11-21 |
| 10 | 5664-DELNP-2014-Correspondence-Others-(20-08-2014).pdf | 2014-08-20 |
| 10 | 5664-DELNP-2014-FORM-26 [21-11-2023(online)].pdf | 2023-11-21 |
| 11 | 5664-DELNP-2014-Assignment-(20-08-2014).pdf | 2014-08-20 |
| 11 | 5664-DELNP-2014-US(14)-HearingNotice-(HearingDate-29-11-2023).pdf | 2023-11-09 |
| 12 | 5664-DELNP-2014-ABSTRACT [05-01-2019(online)].pdf | 2019-01-05 |
| 12 | 5664-delnp-2014-English-Translation-(22-08-2014).pdf | 2014-08-22 |
| 13 | 5664-DELNP-2014-CLAIMS [05-01-2019(online)].pdf | 2019-01-05 |
| 13 | 5664-delnp-2014-Correspondence-Others(22-08-2014).pdf | 2014-08-22 |
| 14 | 5664-DELNP-2014-CORRESPONDENCE [05-01-2019(online)].pdf | 2019-01-05 |
| 14 | Power of Attorney [29-03-2016(online)].pdf | 2016-03-29 |
| 15 | 5664-DELNP-2014-DRAWING [05-01-2019(online)].pdf | 2019-01-05 |
| 15 | Form 6 [29-03-2016(online)].pdf | 2016-03-29 |
| 16 | 5664-DELNP-2014-FER_SER_REPLY [05-01-2019(online)].pdf | 2019-01-05 |
| 16 | Assignment [29-03-2016(online)].pdf | 2016-03-29 |
| 17 | 5664-delnp-2014-GPA-(18-04-2016).pdf | 2016-04-18 |
| 17 | 5664-DELNP-2014-OTHERS [05-01-2019(online)].pdf | 2019-01-05 |
| 18 | 5664-delnp-2014-Correspondence Others-(18-04-2016).pdf | 2016-04-18 |
| 18 | 5664-DELNP-2014-FORM 3 [03-01-2019(online)].pdf | 2019-01-03 |
| 19 | 5664-DELNP-2014-Correspondence-141218.pdf | 2018-12-17 |
| 19 | 5664-delnp-2014-Assignment-(18-04-2016).pdf | 2016-04-18 |
| 20 | 5664-DELNP-2014-MARKED COPIES OF AMENDEMENTS [30-01-2018(online)].pdf | 2018-01-30 |
| 20 | 5664-DELNP-2014-OTHERS-141218.pdf | 2018-12-17 |
| 21 | 5664-DELNP-2014-AMMENDED DOCUMENTS [30-01-2018(online)].pdf | 2018-01-30 |
| 21 | 5664-DELNP-2014-Certified Copy of Priority Document (MANDATORY) [12-12-2018(online)].pdf | 2018-12-12 |
| 22 | 5664-DELNP-2014-Amendment Of Application Before Grant - Form 13 [30-01-2018(online)].pdf | 2018-01-30 |
| 22 | 5664-DELNP-2014-FER.pdf | 2018-09-17 |
| 23 | 5664-DELNP-2014-Amendment Of Application Before Grant - Form 13 [30-01-2018(online)].pdf | 2018-01-30 |
| 23 | 5664-DELNP-2014-FER.pdf | 2018-09-17 |
| 24 | 5664-DELNP-2014-AMMENDED DOCUMENTS [30-01-2018(online)].pdf | 2018-01-30 |
| 24 | 5664-DELNP-2014-Certified Copy of Priority Document (MANDATORY) [12-12-2018(online)].pdf | 2018-12-12 |
| 25 | 5664-DELNP-2014-OTHERS-141218.pdf | 2018-12-17 |
| 25 | 5664-DELNP-2014-MARKED COPIES OF AMENDEMENTS [30-01-2018(online)].pdf | 2018-01-30 |
| 26 | 5664-delnp-2014-Assignment-(18-04-2016).pdf | 2016-04-18 |
| 26 | 5664-DELNP-2014-Correspondence-141218.pdf | 2018-12-17 |
| 27 | 5664-delnp-2014-Correspondence Others-(18-04-2016).pdf | 2016-04-18 |
| 27 | 5664-DELNP-2014-FORM 3 [03-01-2019(online)].pdf | 2019-01-03 |
| 28 | 5664-delnp-2014-GPA-(18-04-2016).pdf | 2016-04-18 |
| 28 | 5664-DELNP-2014-OTHERS [05-01-2019(online)].pdf | 2019-01-05 |
| 29 | 5664-DELNP-2014-FER_SER_REPLY [05-01-2019(online)].pdf | 2019-01-05 |
| 29 | Assignment [29-03-2016(online)].pdf | 2016-03-29 |
| 30 | 5664-DELNP-2014-DRAWING [05-01-2019(online)].pdf | 2019-01-05 |
| 30 | Form 6 [29-03-2016(online)].pdf | 2016-03-29 |
| 31 | 5664-DELNP-2014-CORRESPONDENCE [05-01-2019(online)].pdf | 2019-01-05 |
| 31 | Power of Attorney [29-03-2016(online)].pdf | 2016-03-29 |
| 32 | 5664-DELNP-2014-CLAIMS [05-01-2019(online)].pdf | 2019-01-05 |
| 32 | 5664-delnp-2014-Correspondence-Others(22-08-2014).pdf | 2014-08-22 |
| 33 | 5664-DELNP-2014-ABSTRACT [05-01-2019(online)].pdf | 2019-01-05 |
| 33 | 5664-delnp-2014-English-Translation-(22-08-2014).pdf | 2014-08-22 |
| 34 | 5664-DELNP-2014-Assignment-(20-08-2014).pdf | 2014-08-20 |
| 34 | 5664-DELNP-2014-US(14)-HearingNotice-(HearingDate-29-11-2023).pdf | 2023-11-09 |
| 35 | 5664-DELNP-2014-Correspondence-Others-(20-08-2014).pdf | 2014-08-20 |
| 35 | 5664-DELNP-2014-FORM-26 [21-11-2023(online)].pdf | 2023-11-21 |
| 36 | 5664-DELNP-2014-Correspondence to notify the Controller [21-11-2023(online)].pdf | 2023-11-21 |
| 36 | 5664-DELNP-2014-GPA-(20-08-2014).pdf | 2014-08-20 |
| 37 | 5664-DELNP-2014-Written submissions and relevant documents [13-12-2023(online)].pdf | 2023-12-13 |
| 37 | 5664-delnp-2014-Correspondence-Others-(08-08-2014).pdf | 2014-08-08 |
| 38 | 5664-DELNP-2014-PETITION UNDER RULE 137 [13-12-2023(online)].pdf | 2023-12-13 |
| 38 | 5664-delnp-2014-Form-3-(08-08-2014).pdf | 2014-08-08 |
| 39 | 5664-DELNP-2014.pdf | 2014-07-26 |
| 39 | 5664-DELNP-2014-PETITION UNDER RULE 137 [13-12-2023(online)]-1.pdf | 2023-12-13 |
| 40 | 5664-DELNP-2014-FORM 3 [13-12-2023(online)].pdf | 2023-12-13 |
| 40 | 304.pdf | 2014-07-11 |
| 41 | CS.pdf | 2014-07-11 |
| 41 | 5664-DELNP-2014-PatentCertificate14-12-2023.pdf | 2023-12-14 |
| 42 | Drawings.pdf | 2014-07-11 |
| 42 | 5664-DELNP-2014-IntimationOfGrant14-12-2023.pdf | 2023-12-14 |
| 43 | 5664-DELNP-2014-GPA-301123.pdf | 2024-01-05 |
| 43 | Form 3.pdf | 2014-07-11 |
| 44 | 5664-DELNP-2014-Correspondence-301123.pdf | 2024-01-05 |
| 44 | Form 5.pdf | 2014-07-11 |
Search Strategy
| 1 | SS_25-05-2018.pdf |