NL6909718A - - Google Patents
Info
- Publication number
- NL6909718A NL6909718A NL6909718A NL6909718A NL6909718A NL 6909718 A NL6909718 A NL 6909718A NL 6909718 A NL6909718 A NL 6909718A NL 6909718 A NL6909718 A NL 6909718A NL 6909718 A NL6909718 A NL 6909718A
- Authority
- NL
- Netherlands
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Pressure Sensors (AREA)
- Light Receiving Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74026568A | 1968-06-26 | 1968-06-26 | |
| US74016168A | 1968-06-26 | 1968-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6909718A true NL6909718A (xx) | 1969-12-30 |
Family
ID=27113646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6909718A NL6909718A (xx) | 1968-06-26 | 1969-06-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3624465A (xx) |
| CH (1) | CH517377A (xx) |
| DE (1) | DE1929094A1 (xx) |
| FR (1) | FR2011691A1 (xx) |
| GB (1) | GB1277052A (xx) |
| NL (1) | NL6909718A (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622712A (en) * | 1969-08-29 | 1971-11-23 | Rca Corp | Device employing selenium-semiconductor heterojunction |
| US3868719A (en) * | 1973-04-02 | 1975-02-25 | Kulite Semiconductor Products | Thin ribbon-like glass backed transducers |
| US3990095A (en) * | 1975-09-15 | 1976-11-02 | Rca Corporation | Selenium rectifier having hexagonal polycrystalline selenium layer |
| US4141025A (en) * | 1977-03-24 | 1979-02-20 | Gosudarstvenny Nauchno-Issle-Dovatelsky I Proektny Institut Redkometallicheskoi Promyshlennosti "GIREDMET" | Semiconductor structure sensitive to pressure |
| DE4238545A1 (de) * | 1992-11-14 | 1994-05-19 | Daimler Benz Ag | Drucksensor und ein Verfahren zu dessen Herstellung |
| US6635910B1 (en) * | 1999-07-22 | 2003-10-21 | Measurement Specialties, Inc. | Silicon strain gage having a thin layer of highly conductive silicon |
| US6275137B1 (en) | 2000-02-08 | 2001-08-14 | Boston Microsystems, Inc. | Semiconductor piezoresistor |
| KR100723357B1 (ko) * | 2004-10-28 | 2007-05-30 | 마쯔시다덴기산교 가부시키가이샤 | 압전 소자와 그 제조 방법 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE623992A (xx) * | 1961-10-24 | |||
| NL299169A (xx) * | 1962-10-30 | |||
| US3483397A (en) * | 1963-10-16 | 1969-12-09 | Westinghouse Electric Corp | Apparatus and method for controlling the output of a light emitting semiconductor device |
| US3390311A (en) * | 1964-09-14 | 1968-06-25 | Gen Electric | Seleno-telluride p-nu junction device utilizing deep trapping states |
| DE1277374B (de) * | 1964-09-30 | 1968-09-12 | Hitachi Ltd | Mechanisch-elektrischer Wandler |
| US3427410A (en) * | 1964-10-08 | 1969-02-11 | Electro Voice | Electromechanical transducer |
| GB1115933A (en) * | 1965-08-27 | 1968-06-06 | Noranda Mines Ltd | Single crystal selenium rectifier |
| US3443167A (en) * | 1965-08-27 | 1969-05-06 | Bell & Howell Co | Strain gage |
| FR1490483A (fr) * | 1965-12-17 | 1967-08-04 | Thomson Houston Comp Francaise | Système de filtre électrique à bande passante étroite utilisant un cristal |
| US3398311A (en) * | 1965-12-29 | 1968-08-20 | Westinghouse Electric Corp | Electroluminescent device |
| US3417301A (en) * | 1966-09-20 | 1968-12-17 | North American Rockwell | Composite heteroepitaxial structure |
| US3479572A (en) * | 1967-07-06 | 1969-11-18 | Litton Precision Prod Inc | Acoustic surface wave device |
-
1968
- 1968-06-26 US US740161A patent/US3624465A/en not_active Expired - Lifetime
-
1969
- 1969-06-09 DE DE19691929094 patent/DE1929094A1/de active Pending
- 1969-06-16 GB GB30281/69A patent/GB1277052A/en not_active Expired
- 1969-06-23 FR FR6920933A patent/FR2011691A1/fr not_active Withdrawn
- 1969-06-25 NL NL6909718A patent/NL6909718A/xx unknown
- 1969-06-26 CH CH980169A patent/CH517377A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH517377A (de) | 1971-12-31 |
| US3624465A (en) | 1971-11-30 |
| GB1277052A (en) | 1972-06-07 |
| FR2011691A1 (xx) | 1970-03-06 |
| DE1929094A1 (de) | 1970-03-05 |