FR1216678A - Transducteur électromécanique - Google Patents
Transducteur électromécaniqueInfo
- Publication number
- FR1216678A FR1216678A FR786466A FR786466A FR1216678A FR 1216678 A FR1216678 A FR 1216678A FR 786466 A FR786466 A FR 786466A FR 786466 A FR786466 A FR 786466A FR 1216678 A FR1216678 A FR 1216678A
- Authority
- FR
- France
- Prior art keywords
- electromechanical transducer
- electromechanical
- transducer
- 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
- 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
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US714151A US3073914A (en) | 1958-02-10 | 1958-02-10 | Ceramic electromechanical transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1216678A true FR1216678A (fr) | 1960-04-27 |
Family
ID=24868931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR786466A Expired FR1216678A (fr) | 1958-02-10 | 1959-02-10 | Transducteur électromécanique |
Country Status (4)
Country | Link |
---|---|
US (1) | US3073914A (fr) |
DE (1) | DE1119535B (fr) |
FR (1) | FR1216678A (fr) |
NL (2) | NL110623C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1176888B (de) * | 1961-03-23 | 1964-08-27 | Columbia Broadcasting Syst Inc | Elektromechanischer Wandler |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL236717A (fr) * | 1958-03-03 | |||
US3377439A (en) * | 1958-04-03 | 1968-04-09 | Erie Technological Prod Inc | Binaural piezoelectric pickup |
US4513437A (en) * | 1982-06-30 | 1985-04-23 | International Business Machines Corporation | Data input pen for Signature Verification |
US4523120A (en) * | 1984-06-04 | 1985-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Precise bearing support ditherer with piezoelectric drive means |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE763329C (de) * | 1941-04-29 | 1954-10-18 | Siemens & Halske A G | Biegungsschwingungen ausfuehrender Quarzkristall |
US2420864A (en) * | 1943-04-17 | 1947-05-20 | Chilowsky Constantin | Piezoelectric plastic material and method of making same |
US2518348A (en) * | 1946-08-16 | 1950-08-08 | Bell Telephone Labor Inc | Apparatus for the determination of viscosity of liquids |
USRE23813E (en) * | 1947-12-26 | 1954-04-20 | Piezoelectric transducer and method for producing same | |
US2625663A (en) * | 1948-05-08 | 1953-01-13 | Gulton Mfg Corp | Transducer |
NL86929C (fr) * | 1948-06-12 | |||
BE489589A (fr) * | 1948-06-12 | |||
GB738939A (en) * | 1952-10-30 | 1955-10-19 | Gen Electric | Improvements relating to piezo-electric devices |
US2944117A (en) * | 1955-06-20 | 1960-07-05 | Erie Resistor Corp | Bender type piezoelectric transducer |
-
0
- NL NL235912D patent/NL235912A/xx unknown
- NL NL110623D patent/NL110623C/xx active
-
1958
- 1958-02-10 US US714151A patent/US3073914A/en not_active Expired - Lifetime
-
1959
- 1959-02-09 DE DEC18365A patent/DE1119535B/de active Pending
- 1959-02-10 FR FR786466A patent/FR1216678A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1176888B (de) * | 1961-03-23 | 1964-08-27 | Columbia Broadcasting Syst Inc | Elektromechanischer Wandler |
Also Published As
Publication number | Publication date |
---|---|
NL235912A (fr) | |
US3073914A (en) | 1963-01-15 |
DE1119535B (de) | 1961-12-14 |
NL110623C (fr) |
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