CH403864A - Arrangement for converting mechanical vibrations into electrical ones - Google Patents
Arrangement for converting mechanical vibrations into electrical onesInfo
- Publication number
- CH403864A CH403864A CH1428561A CH1428561A CH403864A CH 403864 A CH403864 A CH 403864A CH 1428561 A CH1428561 A CH 1428561A CH 1428561 A CH1428561 A CH 1428561A CH 403864 A CH403864 A CH 403864A
- Authority
- CH
- Switzerland
- Prior art keywords
- arrangement
- mechanical vibrations
- converting mechanical
- electrical ones
- ones
- 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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0072898 | 1961-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH403864A true CH403864A (en) | 1965-12-15 |
Family
ID=7503549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1428561A CH403864A (en) | 1961-03-09 | 1961-12-07 | Arrangement for converting mechanical vibrations into electrical ones |
Country Status (8)
Country | Link |
---|---|
US (1) | US3239611A (en) |
BE (1) | BE614837A (en) |
CH (1) | CH403864A (en) |
DE (1) | DE1416334B2 (en) |
DK (1) | DK117782B (en) |
FI (1) | FI40808B (en) |
NL (2) | NL275714A (en) |
SE (1) | SE300021B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3624315A (en) * | 1967-01-23 | 1971-11-30 | Max E Broce | Transducer apparatus and transducer amplifier system utilizing insulated gate semiconductor field effect devices |
US3673354A (en) * | 1969-05-08 | 1972-06-27 | Matsushita Electric Ind Co Ltd | Semiconductor stress transducer |
US3691316A (en) * | 1969-05-09 | 1972-09-12 | Matsushita Electric Ind Co Ltd | Semiconductor stress transducer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2171793A (en) * | 1937-02-24 | 1939-09-05 | Aurex Corp | Microphone |
GB678766A (en) * | 1950-05-24 | 1952-09-10 | Fortiphone Ltd | Improvements in or relating to microphones |
DE970420C (en) * | 1951-03-10 | 1958-09-18 | Siemens Ag | Semiconductor electrical equipment |
DE1006169B (en) * | 1952-02-07 | 1957-04-11 | Siemes & Halske Ag | Arrangement for converting mechanical into electrical vibrations |
US2929885A (en) * | 1953-05-20 | 1960-03-22 | Rca Corp | Semiconductor transducers |
US2866014A (en) * | 1955-10-31 | 1958-12-23 | Bell Telephone Labor Inc | Piezoresistive acoustic transducer |
US2898477A (en) * | 1955-10-31 | 1959-08-04 | Bell Telephone Labor Inc | Piezoelectric field effect semiconductor device |
US3003900A (en) * | 1957-11-12 | 1961-10-10 | Pacific Semiconductors Inc | Method for diffusing active impurities into semiconductor materials |
US2907672A (en) * | 1958-08-25 | 1959-10-06 | Ford Motor Co | Aurous coating on an optical element |
US3031634A (en) * | 1960-04-04 | 1962-04-24 | Century Geophysical Corp | Strain gauge |
-
0
- NL NL275027D patent/NL275027A/xx unknown
- NL NL275714D patent/NL275714A/xx unknown
-
1961
- 1961-03-09 DE DE19611416334 patent/DE1416334B2/en active Pending
- 1961-12-07 CH CH1428561A patent/CH403864A/en unknown
- 1961-12-15 FI FI2208/61A patent/FI40808B/fi active
-
1962
- 1962-02-16 DK DK73962AA patent/DK117782B/en unknown
- 1962-03-07 US US178785A patent/US3239611A/en not_active Expired - Lifetime
- 1962-03-08 SE SE2594/62A patent/SE300021B/xx unknown
- 1962-03-08 BE BE614837A patent/BE614837A/en unknown
Also Published As
Publication number | Publication date |
---|---|
NL275714A (en) | 1900-01-01 |
DE1416334B2 (en) | 1972-09-28 |
DK117782B (en) | 1970-06-01 |
FI40808B (en) | 1969-02-28 |
NL275027A (en) | |
SE300021B (en) | 1968-04-01 |
US3239611A (en) | 1966-03-08 |
BE614837A (en) | 1962-09-10 |
DE1416334A1 (en) | 1969-01-09 |
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