FR2458176B1 - Combinaison de resonateurs piezo-electriques - Google Patents
Combinaison de resonateurs piezo-electriquesInfo
- Publication number
- FR2458176B1 FR2458176B1 FR7913564A FR7913564A FR2458176B1 FR 2458176 B1 FR2458176 B1 FR 2458176B1 FR 7913564 A FR7913564 A FR 7913564A FR 7913564 A FR7913564 A FR 7913564A FR 2458176 B1 FR2458176 B1 FR 2458176B1
- Authority
- FR
- France
- Prior art keywords
- piezo
- combination
- electric resonators
- resonators
- electric
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7913564A FR2458176B1 (fr) | 1979-05-29 | 1979-05-29 | Combinaison de resonateurs piezo-electriques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7913564A FR2458176B1 (fr) | 1979-05-29 | 1979-05-29 | Combinaison de resonateurs piezo-electriques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2458176A1 FR2458176A1 (fr) | 1980-12-26 |
FR2458176B1 true FR2458176B1 (fr) | 1985-10-18 |
Family
ID=9225945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7913564A Expired FR2458176B1 (fr) | 1979-05-29 | 1979-05-29 | Combinaison de resonateurs piezo-electriques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2458176B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010054099A1 (fr) * | 2008-11-07 | 2010-05-14 | Greenray Industries, Inc. | Oscillateur à cristaux avec sensibilité à l’accélération réduite |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL65892C (fr) * | 1943-03-04 | |||
CH254660A (de) * | 1947-01-13 | 1948-05-15 | Hasler Ag | Aus Zwillingskristall hergestellter piezoelektrischer Körper. |
US3141100A (en) * | 1962-06-21 | 1964-07-14 | Avco Corp | Piezoelectric resonance device |
US3826931A (en) * | 1967-10-26 | 1974-07-30 | Hewlett Packard Co | Dual crystal resonator apparatus |
DE1945373A1 (de) * | 1969-04-14 | 1970-10-29 | Metra Mess Frequenztechn | Verfahren und Einrichtung zur Kompensation des pyroelektrischen Effektes an elektromechanischen Wandlern,insbesondere Ferroelektrika |
JPS5434272A (en) * | 1977-08-23 | 1979-03-13 | Seiko Instr & Electronics Ltd | Electronic wristwatch |
-
1979
- 1979-05-29 FR FR7913564A patent/FR2458176B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2458176A1 (fr) | 1980-12-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |