DE3039861A1 - Uhr - Google Patents
UhrInfo
- Publication number
- DE3039861A1 DE3039861A1 DE19803039861 DE3039861A DE3039861A1 DE 3039861 A1 DE3039861 A1 DE 3039861A1 DE 19803039861 DE19803039861 DE 19803039861 DE 3039861 A DE3039861 A DE 3039861A DE 3039861 A1 DE3039861 A1 DE 3039861A1
- Authority
- DE
- Germany
- Prior art keywords
- piezoelectric element
- membrane
- housing
- openings
- diaphragm
- 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.)
- Withdrawn
Links
- 239000012528 membrane Substances 0.000 claims description 34
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 210000000707 wrist Anatomy 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
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 |
---|---|
DE3039861A1 true DE3039861A1 (de) | 1981-05-27 |
Family
ID=15174343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803039861 Withdrawn DE3039861A1 (de) | 1979-10-24 | 1980-10-22 | Uhr |
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 |
Citations (3)
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 |
US3940919A (en) * | 1973-10-03 | 1976-03-02 | Citizen Watch Co., Ltd. | Electronic wristwatch with electronic sound emitter device |
DE2829992A1 (de) * | 1977-07-09 | 1979-01-18 | Citizen Watch Co Ltd | Uhrgehaeuse fuer eine elektronische armbanduhr |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906713A (en) * | 1973-08-29 | 1975-09-23 | Citizen Watch Co Ltd | Electronic alarm wristwatch |
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 |
-
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
Patent Citations (3)
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 |
US3940919A (en) * | 1973-10-03 | 1976-03-02 | Citizen Watch Co., Ltd. | Electronic wristwatch with electronic sound emitter device |
DE2829992A1 (de) * | 1977-07-09 | 1979-01-18 | Citizen Watch Co Ltd | Uhrgehaeuse fuer eine elektronische armbanduhr |
Also Published As
Publication number | Publication date |
---|---|
IN152709B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-03-17 |
GB2061572B (en) | 1983-07-06 |
CH648722GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-04-15 |
GB2061572A (en) | 1981-05-13 |
JPS5661677A (en) | 1981-05-27 |
US4362400A (en) | 1982-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8128 | New person/name/address of the agent |
Representative=s name: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT. EBBINGHAUS |
|
8139 | Disposal/non-payment of the annual fee |