JPS54146200A - Operating system of electric lock - Google Patents
Operating system of electric lockInfo
- Publication number
- JPS54146200A JPS54146200A JP5301878A JP5301878A JPS54146200A JP S54146200 A JPS54146200 A JP S54146200A JP 5301878 A JP5301878 A JP 5301878A JP 5301878 A JP5301878 A JP 5301878A JP S54146200 A JPS54146200 A JP S54146200A
- Authority
- JP
- Japan
- Prior art keywords
- electric lock
- transistor
- condenser
- charge
- turned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Lock And Its Accessories (AREA)
Abstract
PURPOSE: Operating system of an electric lock which can automatically unlock the electric lock without key even at the time of power failure.
CONSTITUTION: Electric lock 1 unlocks itself, when detector 3 detects the power failure, by discharging the charge of condenser 2 which has been charged while power was supplied from the power source. When AC power fails with the electric lock in locked position, the charge of condenser 9 is discharged by means of transistor 17 and the voltage at both ends of condenser 9 drops rapidly. When this voltage drops less than zener voltage of zener diode 14, transistor 17 is turned off and transistor 13 is turned on. When transistor 13 is turned on, the charge of condenser 2 is discharged by means of unlocking coil 7, switch 12 and transistor 13 to excite coil 7. As a result, electric lock 1 is unlocked and the door is opened without key.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5301878A JPS54146200A (en) | 1978-05-02 | 1978-05-02 | Operating system of electric lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5301878A JPS54146200A (en) | 1978-05-02 | 1978-05-02 | Operating system of electric lock |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54146200A true JPS54146200A (en) | 1979-11-15 |
Family
ID=12931151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5301878A Pending JPS54146200A (en) | 1978-05-02 | 1978-05-02 | Operating system of electric lock |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54146200A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61242283A (en) * | 1985-04-16 | 1986-10-28 | 松下電器産業株式会社 | Electric lock unlocking apparatus |
JPH06185250A (en) * | 1992-12-17 | 1994-07-05 | Oi Seisakusho Co Ltd | Controller of door lock for car |
JP2007332590A (en) * | 2006-06-13 | 2007-12-27 | Yamatake Corp | Device and method for controlling electric lock |
JP2009257008A (en) * | 2008-04-18 | 2009-11-05 | Miwa Lock Co Ltd | Electric lock system |
JP2016138412A (en) * | 2015-01-28 | 2016-08-04 | 日本電産サンキョー株式会社 | Electric lock system |
JP2017115442A (en) * | 2015-12-24 | 2017-06-29 | 日本電産サンキョー株式会社 | Electric lock system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50124143A (en) * | 1974-02-15 | 1975-09-30 |
-
1978
- 1978-05-02 JP JP5301878A patent/JPS54146200A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50124143A (en) * | 1974-02-15 | 1975-09-30 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61242283A (en) * | 1985-04-16 | 1986-10-28 | 松下電器産業株式会社 | Electric lock unlocking apparatus |
JPH06185250A (en) * | 1992-12-17 | 1994-07-05 | Oi Seisakusho Co Ltd | Controller of door lock for car |
JP2007332590A (en) * | 2006-06-13 | 2007-12-27 | Yamatake Corp | Device and method for controlling electric lock |
JP2009257008A (en) * | 2008-04-18 | 2009-11-05 | Miwa Lock Co Ltd | Electric lock system |
JP2016138412A (en) * | 2015-01-28 | 2016-08-04 | 日本電産サンキョー株式会社 | Electric lock system |
JP2017115442A (en) * | 2015-12-24 | 2017-06-29 | 日本電産サンキョー株式会社 | Electric lock system |
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