FR2441252B1 - - Google Patents
Info
- Publication number
- FR2441252B1 FR2441252B1 FR7927664A FR7927664A FR2441252B1 FR 2441252 B1 FR2441252 B1 FR 2441252B1 FR 7927664 A FR7927664 A FR 7927664A FR 7927664 A FR7927664 A FR 7927664A FR 2441252 B1 FR2441252 B1 FR 2441252B1
- Authority
- FR
- France
- Prior art keywords
- quartz crystal
- capacitor
- crystal resonator
- compensate
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 2
- 239000010453 quartz Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003985 ceramic capacitor Substances 0.000 abstract 1
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Clocks (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13856478A JPS5565188A (en) | 1978-11-10 | 1978-11-10 | Electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2441252A1 FR2441252A1 (fr) | 1980-06-06 |
| FR2441252B1 true FR2441252B1 (US20080293856A1-20081127-C00150.png) | 1983-05-20 |
Family
ID=15225081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7927664A Granted FR2441252A1 (fr) | 1978-11-10 | 1979-11-09 | Condensateur de compensation de temperature de resonateurs a quartz d'une montre electronique |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4591807A (en) * | 1984-12-03 | 1986-05-27 | Motorola, Inc. | Low power, low voltage oscillator |
| US5952894A (en) * | 1995-11-07 | 1999-09-14 | Nec Corporation | Resonant circuit having a reactance for temperature compensation |
| US8136406B2 (en) * | 2009-03-31 | 2012-03-20 | Schlumberger Technology Corporation | Pressure transducer with piezoelectric crystal for harsh environment use |
| CN103346751A (zh) * | 2013-06-18 | 2013-10-09 | 中国科学院苏州纳米技术与纳米仿生研究所 | 石英音叉匹配电路 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA451243A (en) * | 1948-09-14 | N. Kimball Charles | Oscillator drift compensation device | |
| US2256931A (en) * | 1939-09-26 | 1941-09-23 | Bliley Electric Company | Piezoelectric crystal oscillator |
| US4109456A (en) * | 1973-05-21 | 1978-08-29 | Kabushiki Kaisha Suwa Seikosha | Ceramic capacitor |
| JPS5087559A (US20080293856A1-20081127-C00150.png) | 1973-12-05 | 1975-07-14 | ||
| JPS528757A (en) * | 1975-07-10 | 1977-01-22 | Citizen Watch Co Ltd | Temperature compensator |
| GB1570660A (en) * | 1976-06-30 | 1980-07-02 | Suwa Seikosha Kk | Electronic timepiece |
| GB2018539B (en) * | 1978-03-17 | 1982-06-03 | Citizen Watch Co Ltd | Temperature compensation of quarty oscillators |
-
1978
- 1978-11-10 JP JP13856478A patent/JPS5565188A/ja active Pending
-
1979
- 1979-10-30 US US06/089,462 patent/US4350961A/en not_active Expired - Lifetime
- 1979-11-08 GB GB7938721A patent/GB2035623B/en not_active Expired
- 1979-11-08 DE DE19792945137 patent/DE2945137A1/de not_active Withdrawn
- 1979-11-09 FR FR7927664A patent/FR2441252A1/fr active Granted
- 1979-11-12 CH CH1010679A patent/CH642813B/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH642813B (fr) | |
| GB2035623A (en) | 1980-06-18 |
| JPS5565188A (en) | 1980-05-16 |
| US4350961A (en) | 1982-09-21 |
| DE2945137A1 (de) | 1980-05-29 |
| CH642813GA3 (US20080293856A1-20081127-C00150.png) | 1984-05-15 |
| FR2441252A1 (fr) | 1980-06-06 |
| GB2035623B (en) | 1982-11-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |