CH264443A - Dispositif piézoélectrique. - Google Patents
Dispositif piézoélectrique.Info
- Publication number
- CH264443A CH264443A CH264443DA CH264443A CH 264443 A CH264443 A CH 264443A CH 264443D A CH264443D A CH 264443DA CH 264443 A CH264443 A CH 264443A
- Authority
- CH
- Switzerland
- Prior art keywords
- piezoelectric device
- piezoelectric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
-
- 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)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US451690A US2386279A (en) | 1942-07-21 | 1942-07-21 | Piezoelectric device |
Publications (1)
Publication Number | Publication Date |
---|---|
CH264443A true CH264443A (fr) | 1949-10-15 |
Family
ID=23793306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH264443D CH264443A (fr) | 1942-07-21 | 1947-05-21 | Dispositif piézoélectrique. |
Country Status (2)
Country | Link |
---|---|
US (1) | US2386279A (fr) |
CH (1) | CH264443A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE950665C (de) * | 1950-09-23 | 1956-10-11 | Siemens Ag | Trockengleichrichtereinheit |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2735025A (en) * | 1956-02-14 | Piezoelectric device | ||
US2759241A (en) * | 1956-08-21 | Piezo-electric devices | ||
US2421586A (en) * | 1944-09-20 | 1947-06-03 | Tibbetts Lab Inc | Piezoelectric device |
US2512878A (en) * | 1945-12-28 | 1950-06-27 | Brush Dev Co | Piezoelectric crystal |
US2456995A (en) * | 1946-04-18 | 1948-12-21 | Brush Dev Co | Piezoelectric crystal with moistureproof coatings |
US2502970A (en) * | 1946-10-11 | 1950-04-04 | Western Electric Co | Electrical device |
US2540851A (en) * | 1946-11-22 | 1951-02-06 | Electro Voice | Piezoelectric device |
US2518883A (en) * | 1947-08-29 | 1950-08-15 | Brush Dev Co | Means for and method of moistureproofing a piezoelectric crystal element |
US2518331A (en) * | 1948-05-06 | 1950-08-08 | Bell Telephone Labor Inc | Piezoelectric crystal mounting |
US2748369A (en) * | 1951-12-07 | 1956-05-29 | Birmingham Small Arms Co Ltd | Transducer |
US2811655A (en) * | 1953-08-04 | 1957-10-29 | Bell Telephone Labor Inc | Stable liquid electrodes for piezoelectric crystals |
US2810082A (en) * | 1954-10-29 | 1957-10-15 | Tibbetts Lab Inc | Transducer damping |
US2912605A (en) * | 1955-12-05 | 1959-11-10 | Tibbetts Lab Inc | Electromechanical transducer |
US2895062A (en) * | 1955-12-22 | 1959-07-14 | Frank R Abbott | Broad band electroacoustic transducer |
US2836738A (en) * | 1956-05-02 | 1958-05-27 | Joseph W Crownover | Prestressed piezo crystal |
NL223451A (fr) * | 1956-11-09 | |||
US3017525A (en) * | 1956-11-26 | 1962-01-16 | John M Wolfskill | Mounting support for piezoelectric crystal units |
NL253866A (fr) * | 1959-07-17 | |||
US3253674A (en) * | 1961-09-11 | 1966-05-31 | Zenith Radio Corp | Ceramic microphone |
US3697790A (en) * | 1970-12-02 | 1972-10-10 | William T Flint | Transducers having piezoelectric struts |
US4149415A (en) * | 1976-08-09 | 1979-04-17 | Probe Engineering Company Limited | Apparatus for sensing moving particles or small moving objects |
DK139085B (da) * | 1977-04-19 | 1978-12-11 | Brueel & Kjaer As | Accelerometer. |
US4808874A (en) * | 1988-01-06 | 1989-02-28 | Ford Aerospace Corporation | Double saggital stroke amplifier |
US4933591A (en) * | 1988-01-06 | 1990-06-12 | Ford Aerospace Corporation | Double saggital pull stroke amplifier |
US5070319A (en) * | 1990-06-22 | 1991-12-03 | Ranco Incorporated Of Delaware | Door ajar alarm for refrigeration unit |
US5063372A (en) * | 1990-06-22 | 1991-11-05 | Ranco Incorporated Of Delaware | Door ajar alarm for refrigeration unit |
JP3141954B2 (ja) * | 1991-07-17 | 2001-03-07 | 株式会社ワコー | 圧電素子を用いた力・加速度・磁気のセンサ |
US5629577A (en) * | 1994-07-15 | 1997-05-13 | Micro Medical Devices | Miniature linear motion actuator |
US5444324A (en) * | 1994-07-25 | 1995-08-22 | Western Atlas International, Inc. | Mechanically amplified piezoelectric acoustic transducer |
US5736808A (en) * | 1995-12-22 | 1998-04-07 | Aura Systems, Inc. | Piezoelectric speaker |
US6396197B1 (en) | 1995-12-22 | 2002-05-28 | Speaker Acquisition Sub, A Cayman Island Corporation | Piezoelectric speaker |
US6198206B1 (en) | 1998-03-20 | 2001-03-06 | Active Control Experts, Inc. | Inertial/audio unit and construction |
DE102010009453A1 (de) * | 2010-02-26 | 2011-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schallwandler zum Einsetzen in ein Ohr |
AT15914U1 (de) * | 2017-07-26 | 2018-09-15 | Epcos Ag | Vorrichtung, die einen haptischen Feedback vermittelt und Bauelement mit der Vorrichtung |
-
1942
- 1942-07-21 US US451690A patent/US2386279A/en not_active Expired - Lifetime
-
1947
- 1947-05-21 CH CH264443D patent/CH264443A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE950665C (de) * | 1950-09-23 | 1956-10-11 | Siemens Ag | Trockengleichrichtereinheit |
Also Published As
Publication number | Publication date |
---|---|
US2386279A (en) | 1945-10-09 |
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