JPS62475B2 - - Google Patents
Info
- Publication number
- JPS62475B2 JPS62475B2 JP2388377A JP2388377A JPS62475B2 JP S62475 B2 JPS62475 B2 JP S62475B2 JP 2388377 A JP2388377 A JP 2388377A JP 2388377 A JP2388377 A JP 2388377A JP S62475 B2 JPS62475 B2 JP S62475B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- alarm
- amount
- light
- photosensitive
- 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.)
- Expired
Links
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000010009 beating Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/10—Releasing or locking the regular stroke, e.g. for silence during the night
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2388377A JPS53109673A (en) | 1977-03-07 | 1977-03-07 | Electronic watch |
| US05/883,897 US4234945A (en) | 1977-03-07 | 1978-03-06 | Electronic timepiece with hourly strike mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2388377A JPS53109673A (en) | 1977-03-07 | 1977-03-07 | Electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53109673A JPS53109673A (en) | 1978-09-25 |
| JPS62475B2 true JPS62475B2 (US20090163788A1-20090625-C00002.png) | 1987-01-08 |
Family
ID=12122836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2388377A Granted JPS53109673A (en) | 1977-03-07 | 1977-03-07 | Electronic watch |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4234945A (US20090163788A1-20090625-C00002.png) |
| JP (1) | JPS53109673A (US20090163788A1-20090625-C00002.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0256763U (US20090163788A1-20090625-C00002.png) * | 1988-10-19 | 1990-04-24 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5717488U (US20090163788A1-20090625-C00002.png) * | 1980-06-27 | 1982-01-29 | ||
| JPS5744882A (en) * | 1980-08-28 | 1982-03-13 | Sharp Corp | Timepiece with voice announcement |
| JPS57103086A (en) * | 1980-12-18 | 1982-06-26 | Nitsushindou:Kk | Time announcing sound generator for timepiece |
| JPS57142584A (en) * | 1981-02-27 | 1982-09-03 | Sharp Corp | Voice timepiece |
| DE3247021A1 (de) * | 1982-12-18 | 1984-06-20 | Wehrle Uhrenfabrik GmbH, 7741 Schönwald | Uhr mit weck- und schlagwerk |
| JPS59151082A (ja) * | 1983-02-17 | 1984-08-29 | Seikosha Co Ltd | 報時時計 |
| JPS59151183U (ja) * | 1983-03-29 | 1984-10-09 | 工業技術院長 | 時報音発生機能付時計 |
| US4728933A (en) * | 1986-03-24 | 1988-03-01 | U.S. Holding Company, Inc. | Miniature dual cavity ringer |
| JPH0522873Y2 (US20090163788A1-20090625-C00002.png) * | 1990-05-24 | 1993-06-11 | ||
| GB2436153A (en) * | 2006-03-14 | 2007-09-19 | David Hunt | Electronic clock with percussive audible time signal device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4116618Y1 (US20090163788A1-20090625-C00002.png) * | 1964-10-07 | 1966-08-01 | ||
| JPS4940774A (US20090163788A1-20090625-C00002.png) * | 1972-08-23 | 1974-04-16 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098071A (en) * | 1975-10-09 | 1978-07-04 | Matsushita Electric Industrial Co., Ltd. | Time signal clock |
| US4055843A (en) * | 1976-02-23 | 1977-10-25 | Whitaker Ranald O | Annunciator for use with electronic digital clock |
| JPS52123223A (en) * | 1976-04-08 | 1977-10-17 | Toshiba Corp | Electronic circuit for music box |
| US4073133A (en) * | 1976-04-13 | 1978-02-14 | General Time Corporation | Electronic chime and strike system |
-
1977
- 1977-03-07 JP JP2388377A patent/JPS53109673A/ja active Granted
-
1978
- 1978-03-06 US US05/883,897 patent/US4234945A/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4116618Y1 (US20090163788A1-20090625-C00002.png) * | 1964-10-07 | 1966-08-01 | ||
| JPS4940774A (US20090163788A1-20090625-C00002.png) * | 1972-08-23 | 1974-04-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0256763U (US20090163788A1-20090625-C00002.png) * | 1988-10-19 | 1990-04-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53109673A (en) | 1978-09-25 |
| US4234945A (en) | 1980-11-18 |
