CH648722GA3 - - Google Patents
Download PDFInfo
- Publication number
- CH648722GA3 CH648722GA3 CH784680A CH784680A CH648722GA3 CH 648722G A3 CH648722G A3 CH 648722GA3 CH 784680 A CH784680 A CH 784680A CH 784680 A CH784680 A CH 784680A CH 648722G A3 CH648722G A3 CH 648722GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- diaphragm
- piezoelectric element
- casing
- space
- display unit
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
- G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
- G04G13/021—Details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13640379A JPS5661677A (en) | 1979-10-24 | 1979-10-24 | Watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH648722GA3 true CH648722GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-04-15 |
Family
ID=15174343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH784680A CH648722GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-10-24 | 1980-10-21 |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62116000A (ja) * | 1985-11-14 | 1987-05-27 | Seikosha Co Ltd | アラ−ム時計 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879931A (en) * | 1972-12-27 | 1975-04-29 | Citizen Watch Co Ltd | Electronic watch with an electronically operated sound producer |
| US3906713A (en) * | 1973-08-29 | 1975-09-23 | Citizen Watch Co Ltd | Electronic alarm wristwatch |
| US3940919A (en) * | 1973-10-03 | 1976-03-02 | Citizen Watch Co., Ltd. | Electronic wristwatch with electronic sound emitter device |
| JPS52151065U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-05-12 | 1977-11-16 | ||
| JPS5847437Y2 (ja) * | 1977-07-09 | 1983-10-28 | シチズン時計株式会社 | アラ−ム付電子時計ケ−ス |
| CH633932B (de) | 1977-07-09 | Citizen Watch Co Ltd | Uhrgehaeuse fuer eine elektronische uhr. |
-
1979
- 1979-10-24 JP JP13640379A patent/JPS5661677A/ja active Pending
-
1980
- 1980-10-15 IN IN1177/CAL/80A patent/IN152709B/en unknown
- 1980-10-16 GB GB8033361A patent/GB2061572B/en not_active Expired
- 1980-10-21 CH CH784680A patent/CH648722GA3/de unknown
- 1980-10-22 DE DE19803039861 patent/DE3039861A1/de not_active Withdrawn
- 1980-10-23 US US06/199,975 patent/US4362400A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4362400A (en) | 1982-12-07 |
| IN152709B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-03-17 |
| DE3039861A1 (de) | 1981-05-27 |
| GB2061572A (en) | 1981-05-13 |
| JPS5661677A (en) | 1981-05-27 |
| GB2061572B (en) | 1983-07-06 |
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