JPS5989293U - Automotive digital clock dimmer circuit - Google Patents
Automotive digital clock dimmer circuitInfo
- Publication number
- JPS5989293U JPS5989293U JP18651182U JP18651182U JPS5989293U JP S5989293 U JPS5989293 U JP S5989293U JP 18651182 U JP18651182 U JP 18651182U JP 18651182 U JP18651182 U JP 18651182U JP S5989293 U JPS5989293 U JP S5989293U
- Authority
- JP
- Japan
- Prior art keywords
- dimmer circuit
- circuit
- digital clock
- automotive digital
- dimmer
- 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
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る自動車用デジタル時計の調光回路
の第１実施例を示す電算回路図である。
第２図は本考案に係る自動車用デジタル時計の調光回路
の第２実施例を示す電気回路図である。
２．１３・・・イグニッションスイッチ、３．１４・・
・ライティングスイッチ、９．１７・・・調光回路、１
０．１８・・・表示器、１１．１９・・・ディスプレイ
回路。FIG. 1 is a computer circuit diagram showing a first embodiment of a dimming circuit for a digital automobile watch according to the present invention. FIG. 2 is an electrical circuit diagram showing a second embodiment of the dimmer circuit for a digital automobile watch according to the present invention. 2.13...Ignition switch, 3.14...
・Lighting switch, 9.17...Dimmer circuit, 1
0.18...Display device, 11.19...Display circuit.
Claims (1)
路において、調光回路がイグニションスイッチ及びライ
ティングスイッチをスイッチオンしたときのみに駆動す
るためにダイオード、あるいはオア回路とアンド回路を
配設したことを特徴とする自動車用デジタル時計の調光
回路。In the dimmer circuit that adjusts the illuminance of the light source of a clock installed in a car, a diode or an OR circuit and an AND circuit are installed so that the dimmer circuit is activated only when the ignition switch and lighting switch are turned on. A dimmer circuit for a digital automobile clock, characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18651182U JPS5989293U (en) | 1982-12-08 | 1982-12-08 | Automotive digital clock dimmer circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18651182U JPS5989293U (en) | 1982-12-08 | 1982-12-08 | Automotive digital clock dimmer circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5989293U true JPS5989293U (en) | 1984-06-16 |
Family
ID=30402840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18651182U Pending JPS5989293U (en) | 1982-12-08 | 1982-12-08 | Automotive digital clock dimmer circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5989293U (en) |
-
1982
- 1982-12-08 JP JP18651182U patent/JPS5989293U/en active Pending
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