JPH02124588U - - Google Patents
Info
- Publication number
- JPH02124588U JPH02124588U JP3446589U JP3446589U JPH02124588U JP H02124588 U JPH02124588 U JP H02124588U JP 3446589 U JP3446589 U JP 3446589U JP 3446589 U JP3446589 U JP 3446589U JP H02124588 U JPH02124588 U JP H02124588U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection signal
- outputs
- sensor circuit
- lighting
- 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
- 238000001514 detection method Methods 0.000 claims 7
- 208000031872 Body Remains Diseases 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electric Clocks (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
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.
Claims (1)
路と、 このセンサ回路からの検出信号の発生に応答し
て一定時間照明を行う点灯回路と、 を有する時計の照明回路において、 前記センサ回路は、人体が一定領域内にあるこ
とを検知して検出信号を出力し、 さらに前記センサ回路からの検出信号に応答し
て前記一定領域内に人体が一定時間以上留つてい
るときのみ前記点灯回路を駆動させるための駆動
信号を出力する第１のタイマ回路と、 前記センサ回路からの検出信号の発生回数をカ
ウントしこのカウント値が一定値になつた時に前
記点灯回路を駆動させる駆動信号を出力するカウ
ンタ回路と、 前記センサ回路からの検出信号発生時から一定
時間以内に再度検出信号発生がない時に前記カウ
ンタ回路をリセツトする第２のタイマ回路と、 を付加したことを特徴とする時計の照明回路。[Scope of Claim for Utility Model Registration] In a lighting circuit for a watch, comprising: a sensor circuit that outputs a detection signal when a human body is detected; and a lighting circuit that illuminates for a certain period of time in response to the generation of the detection signal from the sensor circuit. , the sensor circuit detects that a human body is within a certain area and outputs a detection signal, and further responds to the detection signal from the sensor circuit when the human body remains within the certain area for a certain period of time or more. a first timer circuit that outputs a drive signal for driving the lighting circuit; and a first timer circuit that counts the number of times a detection signal is generated from the sensor circuit, and drives the lighting circuit when the count value reaches a constant value. It is characterized by adding a counter circuit that outputs a drive signal, and a second timer circuit that resets the counter circuit when the detection signal is not generated again within a certain period of time after the detection signal is generated from the sensor circuit. clock lighting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034465U JPH0617107Y2 (en) | 1989-03-27 | 1989-03-27 | Clock lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034465U JPH0617107Y2 (en) | 1989-03-27 | 1989-03-27 | Clock lighting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02124588U true JPH02124588U (en) | 1990-10-15 |
| JPH0617107Y2 JPH0617107Y2 (en) | 1994-05-02 |
Family
ID=31538956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989034465U Expired - Lifetime JPH0617107Y2 (en) | 1989-03-27 | 1989-03-27 | Clock lighting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617107Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012132792A (en) * | 2010-12-22 | 2012-07-12 | Casio Comput Co Ltd | Alarm clock |
Citations (3)
| 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 timepiece with illumination controller |
-
1989
- 1989-03-27 JP JP1989034465U patent/JPH0617107Y2/en not_active Expired - Lifetime
Patent Citations (3)
| 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 timepiece with illumination controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012132792A (en) * | 2010-12-22 | 2012-07-12 | Casio Comput Co Ltd | Alarm clock |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617107Y2 (en) | 1994-05-02 |