HK65080A - Improvements in or relating to electric timepieces - Google Patents
Improvements in or relating to electric timepiecesInfo
- Publication number
- HK65080A HK65080A HK65080A HK65080A HK65080A HK 65080 A HK65080 A HK 65080A HK 65080 A HK65080 A HK 65080A HK 65080 A HK65080 A HK 65080A HK 65080 A HK65080 A HK 65080A
- Authority
- HK
- Hong Kong
- Prior art keywords
- relating
- electric timepieces
- timepieces
- electric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators
-
- 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)
- Electric Clocks (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5656873A JPS508451A (enrdf_load_stackoverflow) | 1973-05-21 | 1973-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK65080A true HK65080A (en) | 1980-11-28 |
Family
ID=13030727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK65080A HK65080A (en) | 1973-05-21 | 1980-11-20 | Improvements in or relating to electric timepieces |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS508451A (enrdf_load_stackoverflow) |
| GB (1) | GB1450237A (enrdf_load_stackoverflow) |
| HK (1) | HK65080A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248875B2 (enrdf_load_stackoverflow) * | 1972-01-07 | 1977-12-13 | ||
| EP0469193A1 (en) * | 1990-08-03 | 1992-02-05 | Koninklijke Philips Electronics N.V. | Temperature stabilized crystal oscillator |
| US5952894A (en) * | 1995-11-07 | 1999-09-14 | Nec Corporation | Resonant circuit having a reactance for temperature compensation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4314672Y1 (enrdf_load_stackoverflow) * | 1965-06-02 | 1968-06-20 |
-
1973
- 1973-05-21 JP JP5656873A patent/JPS508451A/ja active Pending
-
1974
- 1974-05-20 GB GB2243174A patent/GB1450237A/en not_active Expired
-
1980
- 1980-11-20 HK HK65080A patent/HK65080A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS508451A (enrdf_load_stackoverflow) | 1975-01-28 |
| GB1450237A (en) | 1976-09-22 |
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