第1図は本考案の一実施例に係る時計の照明回
路の回路構成を示す図、第2図は第1図に示すセ
ンサ回路の他の回路構成を示す図、第3図は第2
図における信号のタイムチヤートである。 2……センサ回路、14……第1のタイマ回路
、16……点灯回路、28……カウンタ回路、3
0……第2のタイマ回路。 FIG. 1 is a diagram showing the circuit configuration of a lighting circuit for a watch according to an embodiment of the present invention, FIG. 2 is a diagram showing another circuit configuration of the sensor circuit shown in FIG. 1, and FIG.
This is a time chart of the signals in the figure. 2...Sensor circuit, 14...First timer circuit, 16...Lighting circuit, 28...Counter circuit, 3
0...Second timer circuit.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034465UJPH0617107Y2 (en) | 1989-03-27 | 1989-03-27 | Clock lighting circuit |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034465UJPH0617107Y2 (en) | 1989-03-27 | 1989-03-27 | Clock lighting circuit |
| Publication Number | Publication Date |
|---|---|
| JPH02124588Utrue JPH02124588U (en) | 1990-10-15 |
| JPH0617107Y2 JPH0617107Y2 (en) | 1994-05-02 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989034465UExpired - LifetimeJPH0617107Y2 (en) | 1989-03-27 | 1989-03-27 | Clock lighting circuit |
| Country | Link |
|---|---|
| JP (1) | JPH0617107Y2 (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012132792A (en)* | 2010-12-22 | 2012-07-12 | Casio Comput Co Ltd | Alarm clock |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332055U (en)* | 1976-08-25 | 1978-03-20 | ||
| JPS58180974A (en)* | 1982-04-16 | 1983-10-22 | Citizen Watch Co Ltd | Lamp lighting switch for electronic time piece |
| JPS60140183A (en)* | 1983-12-27 | 1985-07-25 | Seiko Epson Corp | Electronic clock with lighting control device |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332055U (en)* | 1976-08-25 | 1978-03-20 | ||
| JPS58180974A (en)* | 1982-04-16 | 1983-10-22 | Citizen Watch Co Ltd | Lamp lighting switch for electronic time piece |
| JPS60140183A (en)* | 1983-12-27 | 1985-07-25 | Seiko Epson Corp | Electronic clock with lighting control device |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012132792A (en)* | 2010-12-22 | 2012-07-12 | Casio Comput Co Ltd | Alarm clock |
| Publication number | Publication date |
|---|---|
| JPH0617107Y2 (en) | 1994-05-02 |