FR929885A - Perfectionnements aux montages de cristaux piézoélectriques - Google Patents
Perfectionnements aux montages de cristaux piézoélectriquesInfo
- Publication number
- FR929885A FR929885A FR929885DA FR929885A FR 929885 A FR929885 A FR 929885A FR 929885D A FR929885D A FR 929885DA FR 929885 A FR929885 A FR 929885A
- Authority
- FR
- France
- Prior art keywords
- piezoelectric crystal
- crystal assemblies
- assemblies
- piezoelectric
- crystal
- 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
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/09—Elastic or damping supports
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US602238A US2474241A (en) | 1945-06-29 | 1945-06-29 | Piezoelectric crystal structure |
Publications (1)
Publication Number | Publication Date |
---|---|
FR929885A true FR929885A (fr) | 1948-01-09 |
Family
ID=24410547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR929885D Expired FR929885A (fr) | 1945-06-29 | 1946-06-27 | Perfectionnements aux montages de cristaux piézoélectriques |
Country Status (2)
Country | Link |
---|---|
US (1) | US2474241A (fr) |
FR (1) | FR929885A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR861808A (fr) * | 1939-08-02 | 1941-02-18 | Materiel Telephonique | éléments piezo-électriques |
US2657320A (en) * | 1948-12-30 | 1953-10-27 | Bell Telephone Labor Inc | Piezoelectric crystal unit |
US2771561A (en) * | 1952-03-17 | 1956-11-20 | Pye Ltd | Quartz crystal units |
US2895061A (en) * | 1958-01-20 | 1959-07-14 | James H Probus | Piezoelectric sandwich transducer |
US3046423A (en) * | 1958-10-09 | 1962-07-24 | Bliley Electric Company | High shock and vibration resistant piezoelectric crystal units |
US3610969A (en) * | 1970-02-06 | 1971-10-05 | Mallory & Co Inc P R | Monolithic piezoelectric resonator for use as filter or transformer |
US4767967A (en) * | 1984-06-05 | 1988-08-30 | Nippon Soken, Inc. | High voltage generating device |
US6111338A (en) * | 1993-05-28 | 2000-08-29 | Matsushita Electric Industrial Co., Ltd. | Acceleration sensor and method for producing the same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE476137A (fr) * | 1942-12-31 | |||
US2366954A (en) * | 1943-01-09 | 1945-01-09 | Western Electric Co | Method of making piezoelectric crystals |
-
1945
- 1945-06-29 US US602238A patent/US2474241A/en not_active Expired - Lifetime
-
1946
- 1946-06-27 FR FR929885D patent/FR929885A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2474241A (en) | 1949-06-28 |
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