FR985740A - Transducteur - Google Patents
TransducteurInfo
- Publication number
- FR985740A FR985740A FR985740DA FR985740A FR 985740 A FR985740 A FR 985740A FR 985740D A FR985740D A FR 985740DA FR 985740 A FR985740 A FR 985740A
- Authority
- FR
- France
- Prior art keywords
- 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; ELECTRIC HEARING AIDS; 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S228/00—Metal fusion bonding
- Y10S228/903—Metal to nonmetal
-
- 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)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25841A US2625663A (en) | 1948-05-08 | 1948-05-08 | Transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR985740A true FR985740A (fr) | 1951-07-23 |
Family
ID=21828336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR985740D Expired FR985740A (fr) | 1948-05-08 | 1949-05-06 | Transducteur |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2625663A (fr) |
| FR (1) | FR985740A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1101032B (de) * | 1954-04-27 | 1961-03-02 | Dr Hans Karl Hach | Elektrostriktiver Wandler aus keramischem Material und Verfahren zu seiner Herstellung |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944118A (en) * | 1960-07-05 | Binaural phonograph pickup | ||
| US2719928A (en) * | 1955-10-04 | baerwald | ||
| US2719929A (en) * | 1955-10-04 | brown | ||
| US2767387A (en) * | 1950-04-05 | 1956-10-16 | Clevite Corp | Cylindrical electro-mechanical transducer |
| US2945208A (en) * | 1951-01-05 | 1960-07-12 | Gen Electric | Compressional wave transducer |
| US2830251A (en) * | 1952-03-19 | 1958-04-08 | Philco Corp | Frequency changer |
| US2669666A (en) * | 1952-06-27 | 1954-02-16 | Bell Telephone Labor Inc | Piezoelectric transducer |
| US2902545A (en) * | 1952-10-30 | 1959-09-01 | Gen Electric | Shear type piezo-electric device |
| US2784481A (en) * | 1952-12-01 | 1957-03-12 | Donald M Kitterman | Method for attaching a wire in end on relationship to the surface of a body |
| US2742614A (en) * | 1953-04-29 | 1956-04-17 | Bell Telephone Labor Inc | Electromechanical transducer and systems |
| US2835761A (en) * | 1953-05-25 | 1958-05-20 | Electric Machinery Mfg Co | Electrostrictive ceramic actuator |
| US2875353A (en) * | 1953-05-29 | 1959-02-24 | Philco Corp | Electromechanical reed system |
| US2892107A (en) * | 1953-12-21 | 1959-06-23 | Clevite Corp | Cellular ceramic electromechanical transducers |
| US3001031A (en) * | 1954-11-18 | 1961-09-19 | Astatic Corp | Self-supporting electro-mechanical transducer assembly |
| US2803760A (en) * | 1954-11-22 | 1957-08-20 | Gen Electric | Apparatus for producing and measuring vibratory force |
| US2939317A (en) * | 1955-10-31 | 1960-06-07 | Bell Telephone Labor Inc | Variable resistance semiconductive devices |
| US3226490A (en) * | 1957-12-27 | 1965-12-28 | Haefliger William W | Piezoelectric phonograph pickup |
| US3035126A (en) * | 1957-12-27 | 1962-05-15 | William W Haeffiger | Transducer |
| NL235912A (fr) * | 1958-02-10 | |||
| NL236717A (fr) * | 1958-03-03 | |||
| US3377439A (en) * | 1958-04-03 | 1968-04-09 | Erie Technological Prod Inc | Binaural piezoelectric pickup |
| US3073915A (en) * | 1959-09-08 | 1963-01-15 | Haefliger William W | Stereophonic transducer means |
| US3104334A (en) * | 1959-09-15 | 1963-09-17 | Endevco Corp | Annular accelerometer |
| US3176251A (en) * | 1960-01-26 | 1965-03-30 | Erie Resistor Corp | Electromechanical tuned filter |
| US3243792A (en) * | 1963-04-08 | 1966-03-29 | Lockheed Aircraft Corp | Detection devices |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2387472A (en) * | 1943-08-17 | 1945-10-23 | Rca Corp | Square-law detector |
| US2486560A (en) * | 1946-09-20 | 1949-11-01 | Erie Resistor Corp | Transducer and method of making the same |
-
1948
- 1948-05-08 US US25841A patent/US2625663A/en not_active Expired - Lifetime
-
1949
- 1949-05-06 FR FR985740D patent/FR985740A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1101032B (de) * | 1954-04-27 | 1961-03-02 | Dr Hans Karl Hach | Elektrostriktiver Wandler aus keramischem Material und Verfahren zu seiner Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| US2625663A (en) | 1953-01-13 |
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