JPH01144892U - - Google Patents
Info
- Publication number
- JPH01144892U JPH01144892U JP2176689U JP2176689U JPH01144892U JP H01144892 U JPH01144892 U JP H01144892U JP 2176689 U JP2176689 U JP 2176689U JP 2176689 U JP2176689 U JP 2176689U JP H01144892 U JPH01144892 U JP H01144892U
- Authority
- JP
- Japan
- Prior art keywords
- load
- pulse
- battery life
- utility
- model registration
- 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 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electromechanical Clocks (AREA)
Description
第１図は本考案の一実施例を示す時計の駆動及
びアラーム音発生のための電気回路図、第２図は
電池寿命を表示するための電気回路図、第３図は
他の実施例を示す時計の駆動およびアラーム音発
生のための電気回路図である。
４…アラーム回路、６…アラームスイツチ、９
…負荷（アラーム音発生装置）、１０…ワンシヨ
ツトパルス発生回路、１１…基準電圧発生回路、
１２…比較回路、１３…電池寿命表示装置、Ｖ…
電池電圧、Ｖ１…基準電圧。
Fig. 1 is an electrical circuit diagram for driving a clock and generating an alarm sound, showing one embodiment of the present invention, Fig. 2 is an electrical circuit diagram for displaying battery life, and Fig. 3 is an electrical circuit diagram for displaying another embodiment of the present invention. FIG. 3 is an electric circuit diagram for driving the clock shown in FIG. 1 and generating an alarm sound. 4...Alarm circuit, 6...Alarm switch, 9
...Load (alarm sound generator), 10...One shot pulse generation circuit, 11...Reference voltage generation circuit,
12... Comparison circuit, 13... Battery life display device, V...
Battery voltage, V1 ...Reference voltage.
Claims (1)
を発生するパルス発生回路路と、 このパルス発生回路からのパルスが発生してい
る間動作する負荷と、 この負荷の動作時の電池電圧と基準電圧とを比
較して電池寿命を検出する比較回路と、 この比較回路によつて得られる比較結果により
上記電池電圧が上記基準電圧よりも低いと判断さ
れたときに表示を行ないかつこの表示を継続させ
る表示装置と を具備した時計の電池寿命検出装置。 (2) 実用新案登録請求の範囲第１項において、
負荷はアラーム音発生装置であることを特徴とす
る時計の電池寿命検出装置。 (3) 実用新案登録請求の範囲第１項において、
負荷はアラーム音発生装置と同等のインピーダン
スを有するものであることを特徴とする時計の電
池寿命検出装置。[Scope of Claim for Utility Model Registration] (1) A pulse generation circuit that generates one pulse in response to the operation of an alarm switch, a load that operates while the pulse from this pulse generation circuit is generated, and a load that operates while the pulse is generated from this pulse generation circuit; A comparison circuit that detects battery life by comparing the battery voltage during operation with a reference voltage, and an indication when the battery voltage is determined to be lower than the reference voltage based on the comparison result obtained by this comparison circuit. What is claimed is: 1. A watch battery life detection device comprising: a display device that performs this display and continues this display; (2) In paragraph 1 of the claims for utility model registration,
A watch battery life detection device, wherein the load is an alarm sound generator. (3) In paragraph 1 of the claims for utility model registration,
A battery life detection device for a watch, characterized in that the load has an impedance equivalent to that of an alarm sound generating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2176689U JPH01144892U (en) | 1989-02-27 | 1989-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2176689U JPH01144892U (en) | 1989-02-27 | 1989-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01144892U true JPH01144892U (en) | 1989-10-04 |
Family
ID=31239285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2176689U Pending JPH01144892U (en) | 1989-02-27 | 1989-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01144892U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53107871A (en) * | 1977-03-03 | 1978-09-20 | Citizen Watch Co Ltd | Watch with battery life warning display |
-
1989
- 1989-02-27 JP JP2176689U patent/JPH01144892U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53107871A (en) * | 1977-03-03 | 1978-09-20 | Citizen Watch Co Ltd | Watch with battery life warning display |
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