CH775274A4 - - Google Patents
Info
- Publication number
- CH775274A4 CH775274A4 CH775274D CH775274D CH775274A4 CH 775274 A4 CH775274 A4 CH 775274A4 CH 775274 D CH775274 D CH 775274D CH 775274 D CH775274 D CH 775274D CH 775274 A4 CH775274 A4 CH 775274A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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)
- Oscillators With Electromechanical Resonators (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6418373A JPS5015582A (cs) | 1973-06-07 | 1973-06-07 | |
| JP13838873A JPS5751078B2 (cs) | 1973-12-05 | 1973-12-05 | |
| JP517574A JPS50101067A (cs) | 1974-01-07 | 1974-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH775274A4 true CH775274A4 (cs) | 1977-08-31 |
Family
ID=27276628
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH775274D CH775274A4 (cs) | 1973-06-07 | 1974-06-06 | |
| CH775274A CH604247B5 (cs) | 1973-06-07 | 1974-06-06 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH775274A CH604247B5 (cs) | 1973-06-07 | 1974-06-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3939643A (cs) |
| CH (2) | CH775274A4 (cs) |
| DE (1) | DE2427396C3 (cs) |
| FR (1) | FR2232789B1 (cs) |
| GB (1) | GB1464993A (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH615561B (de) * | 1975-06-30 | Sharp Kk | Elektronische uhr. | |
| JPS53146558A (en) * | 1977-05-26 | 1978-12-20 | Citizen Watch Co Ltd | Oscillator circuit |
| US4456837A (en) * | 1981-10-15 | 1984-06-26 | Rca Corporation | Circuitry for generating non-overlapping pulse trains |
| KR920003128A (ko) * | 1990-07-31 | 1992-02-29 | 이헌조 | 시계용 기준 주파수 듀얼 선택 방법 |
| JP2003098992A (ja) * | 2001-09-19 | 2003-04-04 | Nec Corp | ディスプレイの駆動方法、その回路及び携帯用電子機器 |
| US9543962B1 (en) | 2016-01-12 | 2017-01-10 | Analog Devices, Inc. | Apparatus and methods for single phase spot circuits |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH501959A (fr) * | 1968-12-20 | 1970-08-31 | Ebauches Sa | Convertisseur de fréquence électronique |
| CA945641A (en) * | 1970-04-27 | 1974-04-16 | Tokyo Shibaura Electric Co. | Logic circuit using complementary type insulated gate field effect transistors |
| JPS5127151B1 (cs) * | 1970-12-26 | 1976-08-11 | ||
| US3699763A (en) * | 1971-07-06 | 1972-10-24 | Us Navy | 24-hour digital clock |
| US3765163A (en) * | 1972-03-17 | 1973-10-16 | Uranus Electronics | Electronic timepiece |
-
1974
- 1974-05-30 US US05/474,698 patent/US3939643A/en not_active Expired - Lifetime
- 1974-05-31 GB GB2421574A patent/GB1464993A/en not_active Expired
- 1974-06-06 DE DE2427396A patent/DE2427396C3/de not_active Expired
- 1974-06-06 CH CH775274D patent/CH775274A4/xx unknown
- 1974-06-06 FR FR7419563A patent/FR2232789B1/fr not_active Expired
- 1974-06-06 CH CH775274A patent/CH604247B5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2232789B1 (cs) | 1979-08-03 |
| CH604247B5 (cs) | 1978-08-31 |
| GB1464993A (en) | 1977-02-16 |
| US3939643A (en) | 1976-02-24 |
| DE2427396A1 (de) | 1975-01-02 |
| DE2427396B2 (de) | 1977-03-24 |
| FR2232789A1 (cs) | 1975-01-03 |
| DE2427396C3 (de) | 1980-09-04 |