JPS58168937U - brightness adjustment device - Google Patents
brightness adjustment deviceInfo
- Publication number
- JPS58168937U JPS58168937U JP6572682U JP6572682U JPS58168937U JP S58168937 U JPS58168937 U JP S58168937U JP 6572682 U JP6572682 U JP 6572682U JP 6572682 U JP6572682 U JP 6572682U JP S58168937 U JPS58168937 U JP S58168937U
- Authority
- JP
- Japan
- Prior art keywords
- adjustment device
- brightness adjustment
- brightness
- illumination lamp
- alarm
- 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.)
- Granted
Links
Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Control Of Voltage And Current In General (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図は従来の輝度制御装置の電気回路、第2図から第
4図は本考案による輝度制御装置の異なる実施例の電気
回路である。
1・・・発振部、2・・・デユーティ比制御部、3・・
・トランジスタ、4・・・ランプ、6・・・輝度増加ス
イッチ、7・・・輝度低下スイッチ、8・・・警報部、
9・・・タイマOFIG. 1 shows an electric circuit of a conventional brightness control device, and FIGS. 2 to 4 show electric circuits of different embodiments of the brightness control device according to the present invention. DESCRIPTION OF SYMBOLS 1... Oscillation part, 2... Duty ratio control part, 3...
・Transistor, 4...Lamp, 6...Brightness increase switch, 7...Brightness decrease switch, 8...Alarm unit,
9...Timer O
Claims (1)
明用ランプの輝度が最大または最小になったとき一定時
間警報を発する警報手段を設けたことを特徴とする輝度
調整装置。1. A device for manually adjusting the brightness of an illumination lamp, characterized in that the device is provided with an alarm means for issuing an alarm for a certain period of time when the brightness of the illumination lamp reaches a maximum or minimum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6572682U JPS58168937U (en) | 1982-05-07 | 1982-05-07 | brightness adjustment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6572682U JPS58168937U (en) | 1982-05-07 | 1982-05-07 | brightness adjustment device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58168937U true JPS58168937U (en) | 1983-11-11 |
JPS6348440Y2 JPS6348440Y2 (en) | 1988-12-13 |
Family
ID=30075672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6572682U Granted JPS58168937U (en) | 1982-05-07 | 1982-05-07 | brightness adjustment device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58168937U (en) |
-
1982
- 1982-05-07 JP JP6572682U patent/JPS58168937U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6348440Y2 (en) | 1988-12-13 |
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