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Elevator Door Control Device
Abstract: Provided is an elevator door control device whereby a door of an elevator can be safely closed during a power failure, and it is possible to prevent placing an excess burden on rescue workers. An elevator door control device pertaining to the present invention is provided with a door dynamic braking control circuit (15) for performing dynamic braking control of a door motor (2) until door closing is detected after the occurrence of a power failure in a state in which the elevator door is in an intermediate position, and discontinuing dynamic braking control when door closing is detected.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
01 March 2021
Publication Number
10/2021
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
cnaveen@knspartners.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-12-26
Renewal Date
Applicants
MITSUBISHI ELECTRIC CORPORATION
7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008310
Inventors
1. HARADA, Tohru
c/o Mitsubishi Electric Engineering Company Limited, 1-13-5, Kudankita, Chiyoda-ku, Tokyo
1020073
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202147008438-IntimationOfGrant26-12-2023.pdf | 2023-12-26 |
| 1 | 202147008438-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [01-03-2021(online)].pdf | 2021-03-01 |
| 2 | 202147008438-PatentCertificate26-12-2023.pdf | 2023-12-26 |
| 2 | 202147008438-STATEMENT OF UNDERTAKING (FORM 3) [01-03-2021(online)].pdf | 2021-03-01 |
| 3 | 202147008438-REQUEST FOR EXAMINATION (FORM-18) [01-03-2021(online)].pdf | 2021-03-01 |
| 3 | 202147008438-FORM 3 [19-10-2023(online)].pdf | 2023-10-19 |
| 4 | 202147008438-PROOF OF RIGHT [01-03-2021(online)].pdf | 2021-03-01 |
| 4 | 202147008438-FORM 3 [06-04-2023(online)].pdf | 2023-04-06 |
| 5 | 202147008438-POWER OF AUTHORITY [01-03-2021(online)].pdf | 2021-03-01 |
| 5 | 202147008438-FORM 3 [16-09-2022(online)].pdf | 2022-09-16 |
| 6 | 202147008438-FORM 18 [01-03-2021(online)].pdf | 2021-03-01 |
| 6 | 202147008438-CLAIMS [14-04-2022(online)].pdf | 2022-04-14 |
| 7 | 202147008438-FORM 1 [01-03-2021(online)].pdf | 2021-03-01 |
| 7 | 202147008438-FER_SER_REPLY [14-04-2022(online)].pdf | 2022-04-14 |
| 8 | 202147008438-Information under section 8(2) [14-04-2022(online)].pdf | 2022-04-14 |
| 8 | 202147008438-FIGURE OF ABSTRACT [01-03-2021(online)].jpg | 2021-03-01 |
| 9 | 202147008438-DRAWINGS [01-03-2021(online)].pdf | 2021-03-01 |
| 9 | 202147008438-FORM 3 [15-02-2022(online)].pdf | 2022-02-15 |
| 10 | 202147008438-DECLARATION OF INVENTORSHIP (FORM 5) [01-03-2021(online)].pdf | 2021-03-01 |
| 10 | 202147008438-FER.pdf | 2022-01-11 |
| 11 | 202147008438-COMPLETE SPECIFICATION [01-03-2021(online)].pdf | 2021-03-01 |
| 11 | 202147008438.pdf | 2021-10-18 |
| 12 | 202147008438-FORM 3 [09-07-2021(online)].pdf | 2021-07-09 |
| 12 | 202147008438-POA [19-05-2021(online)].pdf | 2021-05-19 |
| 13 | 202147008438-AMMENDED DOCUMENTS [19-05-2021(online)].pdf | 2021-05-19 |
| 13 | 202147008438-MARKED COPIES OF AMENDEMENTS [19-05-2021(online)].pdf | 2021-05-19 |
| 14 | 202147008438-FORM 13 [19-05-2021(online)].pdf | 2021-05-19 |
| 15 | 202147008438-AMMENDED DOCUMENTS [19-05-2021(online)].pdf | 2021-05-19 |
| 15 | 202147008438-MARKED COPIES OF AMENDEMENTS [19-05-2021(online)].pdf | 2021-05-19 |
| 16 | 202147008438-FORM 3 [09-07-2021(online)].pdf | 2021-07-09 |
| 16 | 202147008438-POA [19-05-2021(online)].pdf | 2021-05-19 |
| 17 | 202147008438.pdf | 2021-10-18 |
| 17 | 202147008438-COMPLETE SPECIFICATION [01-03-2021(online)].pdf | 2021-03-01 |
| 18 | 202147008438-FER.pdf | 2022-01-11 |
| 18 | 202147008438-DECLARATION OF INVENTORSHIP (FORM 5) [01-03-2021(online)].pdf | 2021-03-01 |
| 19 | 202147008438-DRAWINGS [01-03-2021(online)].pdf | 2021-03-01 |
| 19 | 202147008438-FORM 3 [15-02-2022(online)].pdf | 2022-02-15 |
| 20 | 202147008438-FIGURE OF ABSTRACT [01-03-2021(online)].jpg | 2021-03-01 |
| 20 | 202147008438-Information under section 8(2) [14-04-2022(online)].pdf | 2022-04-14 |
| 21 | 202147008438-FER_SER_REPLY [14-04-2022(online)].pdf | 2022-04-14 |
| 21 | 202147008438-FORM 1 [01-03-2021(online)].pdf | 2021-03-01 |
| 22 | 202147008438-CLAIMS [14-04-2022(online)].pdf | 2022-04-14 |
| 22 | 202147008438-FORM 18 [01-03-2021(online)].pdf | 2021-03-01 |
| 23 | 202147008438-FORM 3 [16-09-2022(online)].pdf | 2022-09-16 |
| 23 | 202147008438-POWER OF AUTHORITY [01-03-2021(online)].pdf | 2021-03-01 |
| 24 | 202147008438-FORM 3 [06-04-2023(online)].pdf | 2023-04-06 |
| 24 | 202147008438-PROOF OF RIGHT [01-03-2021(online)].pdf | 2021-03-01 |
| 25 | 202147008438-REQUEST FOR EXAMINATION (FORM-18) [01-03-2021(online)].pdf | 2021-03-01 |
| 25 | 202147008438-FORM 3 [19-10-2023(online)].pdf | 2023-10-19 |
| 26 | 202147008438-STATEMENT OF UNDERTAKING (FORM 3) [01-03-2021(online)].pdf | 2021-03-01 |
| 26 | 202147008438-PatentCertificate26-12-2023.pdf | 2023-12-26 |
| 27 | 202147008438-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [01-03-2021(online)].pdf | 2021-03-01 |
| 27 | 202147008438-IntimationOfGrant26-12-2023.pdf | 2023-12-26 |
Search Strategy
| 1 | 8438E_10-01-2022.pdf |