BE657085A - - Google Patents
Info
- Publication number
- BE657085A BE657085A BE657085DA BE657085A BE 657085 A BE657085 A BE 657085A BE 657085D A BE657085D A BE 657085DA BE 657085 A BE657085 A BE 657085A
- Authority
- BE
- Belgium
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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Computer Hardware Design (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED43175A DE1197510B (de) | 1963-12-14 | 1963-12-14 | Elektroakustischer Wandler auf Halbleiterbasis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE657085A true BE657085A (US20030220297A1-20031127-C00074.png) | 1965-06-14 |
Family
ID=7047388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE657085D BE657085A (US20030220297A1-20031127-C00074.png) | 1963-12-14 | 1964-12-14 |
Country Status (6)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1277374B (de) * | 1964-09-30 | 1968-09-12 | Hitachi Ltd | Mechanisch-elektrischer Wandler |
| US3414832A (en) * | 1964-12-04 | 1968-12-03 | Westinghouse Electric Corp | Acoustically resonant device |
| DE1252258C2 (de) * | 1965-04-13 | 1974-06-20 | Nach dem elektrostatischen prinzip arbeitender elektroakustischer wandler und verfahren zu seiner herstellung | |
| US3436492A (en) * | 1966-01-17 | 1969-04-01 | Northern Electric Co | Field effect electroacoustic transducer |
| DE1278520B (de) * | 1966-03-03 | 1968-09-26 | Siemens Ag | Elektromechanischer Wandler, insbesondere Mikrophon, auf MOS-Transistor-Basis |
| US3413497A (en) * | 1966-07-13 | 1968-11-26 | Hewlett Packard Co | Insulated-gate field effect transistor with electrostatic protection means |
| GB1149589A (en) * | 1966-11-15 | 1969-04-23 | Matsushita Electric Ind Co Ltd | Thin film active element |
| US3609252A (en) * | 1967-01-23 | 1971-09-28 | Texas Instruments Inc | Transducer apparatus and system utilizing insulated gate semiconductor field effect devices |
| US3453887A (en) * | 1967-02-08 | 1969-07-08 | Corning Glass Works | Temperature change measuring device |
| US3440873A (en) * | 1967-05-23 | 1969-04-29 | Corning Glass Works | Miniature pressure transducer |
| US3422371A (en) * | 1967-07-24 | 1969-01-14 | Sanders Associates Inc | Thin film piezoelectric oscillator |
| US3634787A (en) * | 1968-01-23 | 1972-01-11 | Westinghouse Electric Corp | Electromechanical tuning apparatus particularly for microelectronic components |
| US3590343A (en) * | 1969-01-31 | 1971-06-29 | Westinghouse Electric Corp | Resonant gate transistor with fixed position electrically floating gate electrode in addition to resonant member |
| US3978508A (en) * | 1975-03-14 | 1976-08-31 | Rca Corporation | Pressure sensitive field effect device |
| US4665735A (en) * | 1985-12-02 | 1987-05-19 | Dittmar Norman R | Device for detecting metallic ticking sounds |
| US4767973A (en) * | 1987-07-06 | 1988-08-30 | Sarcos Incorporated | Systems and methods for sensing position and movement |
| US7893474B2 (en) | 2006-02-14 | 2011-02-22 | University Of Florida Research Foundation, Inc. | Method and apparatus for imaging utilizing an ultrasonic imaging sensor array |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2898477A (en) * | 1955-10-31 | 1959-08-04 | Bell Telephone Labor Inc | Piezoelectric field effect semiconductor device |
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1963
- 1963-12-14 DE DED43175A patent/DE1197510B/de active Pending
-
1964
- 1964-12-08 CH CH1586964A patent/CH428857A/de unknown
- 1964-12-14 BE BE657085D patent/BE657085A/xx unknown
- 1964-12-14 GB GB50714/64A patent/GB1080238A/en not_active Expired
- 1964-12-14 NL NL6414545A patent/NL6414545A/xx unknown
- 1964-12-14 US US417969A patent/US3287506A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3287506A (en) | 1966-11-22 |
| GB1080238A (en) | 1967-08-23 |
| NL6414545A (US20030220297A1-20031127-C00074.png) | 1965-06-15 |
| DE1197510B (de) | 1965-07-29 |
| CH428857A (de) | 1967-01-31 |
