JPS6035292U - Lighting circuit for electronic clocks - Google Patents
Lighting circuit for electronic clocksInfo
- Publication number
- JPS6035292U JPS6035292U JP12810883U JP12810883U JPS6035292U JP S6035292 U JPS6035292 U JP S6035292U JP 12810883 U JP12810883 U JP 12810883U JP 12810883 U JP12810883 U JP 12810883U JP S6035292 U JPS6035292 U JP S6035292U
- Authority
- JP
- Japan
- Prior art keywords
- lighting circuit
- electronic clocks
- reset
- turned
- circuit
- 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)
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、本考案の一実施例を示す装置のブロック図、
第２図Ａ、 Ｂは、それぞれ同上装置の動作を説明する
波形図、第３図は、本考案の第２の実施例を示す装置の
ブロック図である。
３・・・・・・時刻表示部、４・・・・・・タイマ回路
、５・・・・・・チャタリング防止回路、６・・・・・
・ランプ制御スイッチ、７．１３・・・・・・反転回路
、９・・・・・・ランプ。
１ ｊ１６呆
／４ｃニ
アｂ ’
・ ８ ′
１ ζ
■
一一一」
■
第３図
Ｈｚ
１
／２− （
Ｔ Ｉ ｙｒ’ｌｌ３
１ 通 ；
よ
＋ １３Ｃ’ｌ
ｙｑｈ ｔ ＩＩFIG. 1 is a block diagram of an apparatus showing an embodiment of the present invention;
2A and 2B are waveform diagrams illustrating the operation of the above device, respectively, and FIG. 3 is a block diagram of the device showing a second embodiment of the present invention. 3...Time display section, 4...Timer circuit, 5...Chattering prevention circuit, 6...
・Lamp control switch, 7.13...Reversing circuit, 9...Lamp. 1 j16 dumb/4c near b'・8' 1 ζ ■ 111'' ■ Figure 3 Hz 1 /2- (T I yr'll3 1 letter; yo+ 13C'l
yqh t II
Claims (1)
スイッチの最初の操作により刻時パルスを計数して所定
時間の経過後に信号を出力するタイマ手段、前記スイッ
チの最初の操作によりセットされ、２度目の操作もしく
は前記タイマ手段からの信号によりリセットする反転回
路、該反転回路のセットにより点灯し、リセットにより
消灯する照明ランプからなる電子時計用照明回路。a lamp control switch that can be operated from the outside; a timer means that counts clock pulses upon the first operation of the switch and outputs a signal after a predetermined time has elapsed; An illumination circuit for an electronic watch, comprising an inversion circuit that is reset by operation or a signal from the timer means, and an illumination lamp that is turned on when the inversion circuit is set and turned off when reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12810883U JPS6035292U (en) | 1983-08-19 | 1983-08-19 | Lighting circuit for electronic clocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12810883U JPS6035292U (en) | 1983-08-19 | 1983-08-19 | Lighting circuit for electronic clocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6035292U true JPS6035292U (en) | 1985-03-11 |
Family
ID=30290730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12810883U Pending JPS6035292U (en) | 1983-08-19 | 1983-08-19 | Lighting circuit for electronic clocks |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6035292U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211066A (en) * | 1975-07-17 | 1977-01-27 | Fujitsu Ltd | Disital watch furnished with brightness control |
| JPS5654494B2 (en) * | 1978-09-08 | 1981-12-25 |
-
1983
- 1983-08-19 JP JP12810883U patent/JPS6035292U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211066A (en) * | 1975-07-17 | 1977-01-27 | Fujitsu Ltd | Disital watch furnished with brightness control |
| JPS5654494B2 (en) * | 1978-09-08 | 1981-12-25 |
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