CH397791A - Anordnung zur Umwandlung mechanischer Schwingungen in elektrische - Google Patents
Anordnung zur Umwandlung mechanischer Schwingungen in elektrischeInfo
- Publication number
- CH397791A CH397791A CH1489861A CH1489861A CH397791A CH 397791 A CH397791 A CH 397791A CH 1489861 A CH1489861 A CH 1489861A CH 1489861 A CH1489861 A CH 1489861A CH 397791 A CH397791 A CH 397791A
- 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Pressure Sensors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES72897A DE1213896B (de) | 1961-03-09 | 1961-03-09 | Anordnung zur Umwandlung mechanischer Schwingungen in elektrische |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH397791A true CH397791A (de) | 1965-08-31 |
Family
ID=7503548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1489861A CH397791A (de) | 1961-03-09 | 1961-12-22 | Anordnung zur Umwandlung mechanischer Schwingungen in elektrische |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3236957A (de) |
| BE (1) | BE614836A (de) |
| CH (1) | CH397791A (de) |
| DE (1) | DE1213896B (de) |
| FI (1) | FI40809B (de) |
| SE (1) | SE300020B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3312790A (en) * | 1963-05-23 | 1967-04-04 | Bell Telephone Labor Inc | Stress-responsive semiconductor transducers |
| DE1250654B (de) * | 1963-09-13 | 1967-09-21 | ||
| NO115502B (de) * | 1965-06-01 | 1968-10-14 | Sentralinst For Ind Forskning | |
| US3585466A (en) * | 1968-12-10 | 1971-06-15 | Westinghouse Electric Corp | Resonant gate transistor with improved gain having a vibratory member disposed in a spaced relationship between a field responsive member and a field plate |
| US3626256A (en) * | 1970-10-16 | 1971-12-07 | Transidyne Gen Corp | Thin film semiconductor strain gauges and method for making same |
Family Cites Families (8)
| 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 |
| DE1006169B (de) * | 1952-02-07 | 1957-04-11 | Siemes & Halske Ag | Anordnung zur Umwandlung mechanischer in elektrische Schwingungen |
| US2898477A (en) * | 1955-10-31 | 1959-08-04 | Bell Telephone Labor Inc | Piezoelectric field effect semiconductor device |
| US2866014A (en) * | 1955-10-31 | 1958-12-23 | Bell Telephone Labor Inc | Piezoresistive acoustic transducer |
| 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 |
-
1961
- 1961-03-09 DE DES72897A patent/DE1213896B/de active Pending
- 1961-12-22 CH CH1489861A patent/CH397791A/de unknown
-
1962
- 1962-01-23 FI FI0117/62A patent/FI40809B/fi active
- 1962-02-27 US US175958A patent/US3236957A/en not_active Expired - Lifetime
- 1962-03-08 BE BE614836A patent/BE614836A/fr unknown
- 1962-03-08 SE SE2593/62A patent/SE300020B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE300020B (de) | 1968-04-01 |
| US3236957A (en) | 1966-02-22 |
| FI40809B (de) | 1969-02-28 |
| BE614836A (fr) | 1962-09-10 |
| DE1213896B (de) | 1966-04-07 |
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