IT979251B - Circuito per orologi elettronici - Google Patents
Circuito per orologi elettroniciInfo
- Publication number
- IT979251B IT979251B IT20560/73A IT2056073A IT979251B IT 979251 B IT979251 B IT 979251B IT 20560/73 A IT20560/73 A IT 20560/73A IT 2056073 A IT2056073 A IT 2056073A IT 979251 B IT979251 B IT 979251B
- Authority
- IT
- Italy
- Prior art keywords
- circuit
- electronic watches
- watches
- electronic
- Prior art date
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)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23076972A | 1972-03-01 | 1972-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT979251B true IT979251B (it) | 1974-09-30 |
Family
ID=22866506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20560/73A IT979251B (it) | 1972-03-01 | 1973-02-19 | Circuito per orologi elettronici |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3743960A (it) |
| JP (1) | JPS5223750B2 (it) |
| CA (1) | CA971236A (it) |
| DE (1) | DE2310314C3 (it) |
| FR (1) | FR2174262A1 (it) |
| GB (1) | GB1419566A (it) |
| IT (1) | IT979251B (it) |
| NL (1) | NL7302814A (it) |
| SE (1) | SE393877B (it) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456453A (en) * | 1974-01-31 | 1976-11-24 | Ibm | Phase locked oscillators |
| US4227158A (en) * | 1979-02-01 | 1980-10-07 | The Singer Company | Multifrequency control from a single crystal |
| GB8611510D0 (en) * | 1986-05-12 | 1986-06-18 | Rawson F F H | Ultrasonic devices |
| US5391001A (en) * | 1993-11-10 | 1995-02-21 | Infratemp, Inc. | Thermometer for remote temperature measurements |
| US6064169A (en) * | 1995-10-11 | 2000-05-16 | The Charles Stark Draper Laboratory, Inc. | Motor amplitude control circuit in conductor-on-insulator tuning fork gyroscope |
| US6585338B2 (en) * | 2000-12-22 | 2003-07-01 | Honeywell International Inc. | Quick start resonant circuit control |
| US7190237B2 (en) * | 2004-05-27 | 2007-03-13 | Continental Automotive, Inc. | Open-loop start-up method for a resonating device |
| US7482888B1 (en) * | 2007-07-12 | 2009-01-27 | Zerog Wireless, Inc. | Fast startup resonant element oscillator |
| CN112532240B (zh) * | 2019-09-17 | 2023-12-01 | 群联电子股份有限公司 | 展频频率产生器、存储器储存装置及信号产生方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3616638A (en) * | 1970-03-19 | 1971-11-02 | Bulova Watch Co Inc | Crystal-controlled mechanical resonator |
-
1972
- 1972-03-01 US US00230769A patent/US3743960A/en not_active Expired - Lifetime
-
1973
- 1973-02-19 IT IT20560/73A patent/IT979251B/it active
- 1973-02-21 GB GB845473A patent/GB1419566A/en not_active Expired
- 1973-02-23 CA CA164,426A patent/CA971236A/en not_active Expired
- 1973-02-28 NL NL7302814A patent/NL7302814A/xx not_active Application Discontinuation
- 1973-02-28 SE SE7302806A patent/SE393877B/xx unknown
- 1973-03-01 FR FR7307392A patent/FR2174262A1/fr not_active Withdrawn
- 1973-03-01 JP JP48024750A patent/JPS5223750B2/ja not_active Expired
- 1973-03-01 DE DE2310314A patent/DE2310314C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2310314C3 (de) | 1975-12-18 |
| US3743960A (en) | 1973-07-03 |
| DE2310314A1 (de) | 1973-09-13 |
| DE2310314B2 (de) | 1975-05-15 |
| SE393877B (sv) | 1977-05-23 |
| GB1419566A (en) | 1975-12-31 |
| FR2174262A1 (it) | 1973-10-12 |
| JPS5223750B2 (it) | 1977-06-27 |
| NL7302814A (it) | 1973-09-04 |
| CA971236A (en) | 1975-07-15 |
| JPS48101970A (it) | 1973-12-21 |
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