JPS6246390U - - Google Patents
Info
- Publication number
- JPS6246390U JPS6246390U JP13817885U JP13817885U JPS6246390U JP S6246390 U JPS6246390 U JP S6246390U JP 13817885 U JP13817885 U JP 13817885U JP 13817885 U JP13817885 U JP 13817885U JP S6246390 U JPS6246390 U JP S6246390U
- Authority
- JP
- Japan
- Prior art keywords
- pointer
- power supply
- pulse motor
- supply circuit
- type electronic
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Electromechanical Clocks (AREA)
Description
第１図は本考案の指針式電子時計の回路図、第
２図は第１図のＬＳＩの回路図、第３図はコンデ
ンサの出力電圧の低下を示す特性図である。
１……太陽電池、２……コンデンサ、３……ブ
ロツキングダイオード、４……電圧検出回路、５
……ＬＳＩ、６……定電圧回路、７……パルスモ
ータ、８……発振回路、９……分周回路、１０…
…アツプ／ダウンカウンタ、１１……“０”検出
回路。
FIG. 1 is a circuit diagram of the pointer type electronic timepiece of the present invention, FIG. 2 is a circuit diagram of the LSI shown in FIG. 1, and FIG. 3 is a characteristic diagram showing a drop in the output voltage of a capacitor. 1... Solar cell, 2... Capacitor, 3... Blocking diode, 4... Voltage detection circuit, 5
...LSI, 6... Constant voltage circuit, 7... Pulse motor, 8... Oscillation circuit, 9... Frequency dividing circuit, 10...
...up/down counter, 11..."0" detection circuit.
Claims (1)
針式電子時計において、太陽電池及びこの太陽電
池の起電力で充電される蓄電体からなる電源回路
と、この電源回路の出力電圧で前記パルスモータ
を駆動する駆動回路と、前記電源回路の出力電圧
を検出する電圧検出回路と、この電圧検出回路で
前記電源回路の出力電圧が所定値以下になつたこ
とが検出された際に前記駆動回路によるパルスモ
ータの駆動を停止する停止手段と、この停止手段
でパルスモータの駆動が停止されている時間を計
数する計数手段と、前記電圧検出回路で電源回路
の出力電圧が所定値以上になつたことが検出され
た際に前記計数手段で計数された時間分前記指針
を早送り修正する修正手段とを具備したことを特
徴とする指針式電子時計。 A pointer-type electronic watch that moves the hands by the rotation of a pulse motor includes a power supply circuit consisting of a solar cell and a power storage body charged by the electromotive force of the solar cell, and the pulse motor is driven by the output voltage of this power supply circuit. a voltage detection circuit that detects the output voltage of the power supply circuit; a stopping means for stopping the driving of the pulse motor, a counting means for counting the time during which the driving of the pulse motor is stopped by the stopping means, and the voltage detection circuit detects that the output voltage of the power supply circuit has exceeded a predetermined value. A pointer-type electronic timepiece characterized in that the pointer-type electronic timepiece is equipped with a correction means for fast-forwarding the pointer by the amount of time counted by the counting means when the pointer is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13817885U JPS6246390U (en) | 1985-09-09 | 1985-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13817885U JPS6246390U (en) | 1985-09-09 | 1985-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6246390U true JPS6246390U (en) | 1987-03-20 |
Family
ID=31042922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13817885U Pending JPS6246390U (en) | 1985-09-09 | 1985-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997021153A1 (en) * | 1995-12-06 | 1997-06-12 | Citizen Watch Co., Ltd. | Radio-calibrated timepiece |
-
1985
- 1985-09-09 JP JP13817885U patent/JPS6246390U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997021153A1 (en) * | 1995-12-06 | 1997-06-12 | Citizen Watch Co., Ltd. | Radio-calibrated timepiece |
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