CH464272A4 - - Google Patents
Info
- Publication number
- CH464272A4 CH464272A4 CH464272A CH464272A CH464272A4 CH 464272 A4 CH464272 A4 CH 464272A4 CH 464272 A CH464272 A CH 464272A CH 464272 A CH464272 A CH 464272A CH 464272 A4 CH464272 A4 CH 464272A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/34—Devices on watches or similar portable timepieces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2299971U JPS4717675U (en) | 1971-03-30 | 1971-03-30 | |
JP46018984A JPS5233978B1 (en) | 1971-03-30 | 1971-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CH464272A4 true CH464272A4 (en) | 1976-03-31 |
CH581860B5 CH581860B5 (en) | 1976-11-15 |
Family
ID=33566593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH464272A CH581860B5 (en) | 1971-03-30 | 1972-03-29 |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH581860B5 (en) |
DE (1) | DE2215768C2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2280123A1 (en) * | 1974-05-09 | 1976-02-20 | Cetehor | Electronic movement for ladies wrist watch - has visual, audio or tactile alarm circuit |
GB2056724B (en) * | 1979-06-30 | 1983-07-06 | Citizen Watch Co Ltd | Acoustic alarm devices for watches |
JPS5661897A (en) * | 1979-10-24 | 1981-05-27 | Hitachi Ltd | Display unit |
DE10163752A1 (en) * | 2001-12-27 | 2003-07-17 | Hilmar Konrad | Wristwatch is provided with cooling air channels on its reverse side, so that a larger watch face can be employed and user discomfort in hot conditions or during exercise is reduced |
EP2461219B1 (en) | 2010-12-02 | 2020-10-14 | Montres Breguet SA | Acoustic membrane for a musical box or an alarm watch |
CH704183A2 (en) | 2010-12-02 | 2012-06-15 | Montres Breguet Sa | Acoustic radiation membrane for e.g. music watch, has cavities or projecting portions formed in form of honeycomb, where shape and dimensions of cavities are adapted based on type of material as well as notes to be radiated by membrane |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1136281B (en) * | 1953-11-18 | 1962-09-06 | Baumgartner Freres Sa | Wristwatch |
NL124186C (en) * | 1959-05-29 |
-
1972
- 1972-03-29 CH CH464272A patent/CH581860B5/xx not_active IP Right Cessation
- 1972-03-30 DE DE2215768A patent/DE2215768C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2215768A1 (en) | 1972-12-14 |
DE2215768C2 (en) | 1982-08-12 |
CH581860B5 (en) | 1976-11-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |