CH556569A - - Google Patents
Info
- Publication number
- CH556569A CH556569A CH384072A CH384072A CH556569A CH 556569 A CH556569 A CH 556569A CH 384072 A CH384072 A CH 384072A CH 384072 A CH384072 A CH 384072A CH 556569 A CH556569 A CH 556569A
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
- G04C17/0075—Indicating the time optically by electric means by drums or drum-like devices
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Discharge By Other Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712112691 DE2112691A1 (en) | 1971-03-16 | 1971-03-16 | Quartz watch with digital display |
| DE19722210700 DE2210700A1 (en) | 1972-03-06 | 1972-03-06 | QUARTZ WATCH WITH DIGITAL DISPLAY |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH556569A true CH556569A (en) | 1974-11-29 |
Family
ID=25760808
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH384072D CH384072A4 (en) | 1971-03-16 | 1972-03-15 | |
| CH384072A CH556569A (en) | 1971-03-16 | 1972-03-15 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH384072D CH384072A4 (en) | 1971-03-16 | 1972-03-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3823546A (en) |
| CH (2) | CH384072A4 (en) |
| FR (1) | FR2130335B1 (en) |
| GB (1) | GB1390457A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2415291C3 (en) * | 1974-03-29 | 1979-06-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Circuit arrangement for a quartz-controlled electric clock |
| CH614831B (en) * | 1974-05-08 | Sharp Kk | TOUCH-RESPONDING SWITCHING DEVICE FOR ELECTRONIC WRISTWATCHES. | |
| US4176517A (en) * | 1974-09-30 | 1979-12-04 | Citizen Watch Co. Ltd. | Integrated circuit for timepiece |
| US3959744A (en) * | 1975-02-26 | 1976-05-25 | Time Computer, Inc. | CMOS oscillator having bias circuit outside oscillator feedback loop |
| JPS5232374A (en) * | 1975-09-08 | 1977-03-11 | Citizen Watch Co Ltd | Electronic watch |
| DE8805055U1 (en) * | 1988-04-16 | 1988-06-09 | Hengstler GmbH, 78554 Aldingen | Operating hour counter |
| US5581520A (en) * | 1994-01-18 | 1996-12-03 | Electrodynamics, Inc. | Watch driven elapsed time indicator apparatus and its method of manufacture and use |
| US9622384B2 (en) * | 2011-11-22 | 2017-04-11 | Quantum Fuel Systems Llc | Fishtail packaging and cooling |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328954A (en) * | 1965-04-22 | 1967-07-04 | Mendell E Miller | Electronic digital readout time indicating device |
| FR1517115A (en) * | 1966-02-10 | 1968-03-15 | Suisse Horlogerie | Electronic watch |
| US3603073A (en) * | 1969-03-26 | 1971-09-07 | Tokai Rika Co Ltd | Electric timepiece |
| US3590571A (en) * | 1970-02-02 | 1971-07-06 | Bunker Ramo | Digital clock seconds indicator |
-
1972
- 1972-03-15 CH CH384072D patent/CH384072A4/xx not_active IP Right Cessation
- 1972-03-15 CH CH384072A patent/CH556569A/xx unknown
- 1972-03-16 US US00235196A patent/US3823546A/en not_active Expired - Lifetime
- 1972-03-16 GB GB1241372A patent/GB1390457A/en not_active Expired
- 1972-03-16 FR FR7209223A patent/FR2130335B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH384072A4 (en) | 1974-05-15 |
| FR2130335A1 (en) | 1972-11-03 |
| US3823546A (en) | 1974-07-16 |
| FR2130335B1 (en) | 1976-10-29 |
| GB1390457A (en) | 1975-04-16 |