FR862048A - Piezoelectric device - Google Patents
Piezoelectric deviceInfo
- Publication number
- FR862048A FR862048A FR862048DA FR862048A FR 862048 A FR862048 A FR 862048A FR 862048D A FR862048D A FR 862048DA FR 862048 A FR862048 A FR 862048A
- Authority
- FR
- France
- Prior art keywords
- piezoelectric device
- piezoelectric
- 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
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
-
- 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
- H03H9/08—Holders with means for regulating temperature
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US238530A US2202391A (en) | 1938-11-03 | 1938-11-03 | Piezoelectric apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR862048A true FR862048A (en) | 1941-02-25 |
Family
ID=22898307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR862048D Expired FR862048A (en) | 1938-11-03 | 1939-12-01 | Piezoelectric device |
Country Status (4)
Country | Link |
---|---|
US (1) | US2202391A (en) |
FR (1) | FR862048A (en) |
GB (1) | GB533204A (en) |
NL (1) | NL64738C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2803803A (en) * | 1957-08-20 | Electric | ||
US2753529A (en) * | 1955-07-28 | 1956-07-03 | Rca Corp | Electromechanical resonator |
US2978597A (en) * | 1956-03-14 | 1961-04-04 | Harris Transducer Corp | Circuit element transducer |
US3123727A (en) * | 1960-06-15 | 1964-03-03 | Kritz | |
US3225226A (en) * | 1961-09-08 | 1965-12-21 | Toko Radio Coil Kenkyusho Kk | Electrical vibrator |
JPS58137317A (en) * | 1982-02-09 | 1983-08-15 | Nec Corp | Thin-film piezoelectric compound oscillator |
US20050151443A1 (en) * | 2002-10-21 | 2005-07-14 | Lockheed Martin Corporation | Piezoelectric micro positioner for large temperature range |
-
1938
- 1938-11-03 US US238530A patent/US2202391A/en not_active Expired - Lifetime
-
1939
- 1939-10-18 GB GB28131/39A patent/GB533204A/en not_active Expired
- 1939-11-03 NL NL95757A patent/NL64738C/xx active
- 1939-12-01 FR FR862048D patent/FR862048A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL64738C (en) | 1949-11-15 |
US2202391A (en) | 1940-05-28 |
GB533204A (en) | 1941-02-07 |
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