NL275714A - - Google Patents
Info
- Publication number
- NL275714A NL275714A NL275714DA NL275714A NL 275714 A NL275714 A NL 275714A NL 275714D A NL275714D A NL 275714DA NL 275714 A NL275714 A NL 275714A
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Pressure Sensors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0072898 | 1961-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL275714A true NL275714A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1900-01-01 |
Family
ID=7503549
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL275714D NL275714A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1961-03-09 | ||
| NL275027D NL275027A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1961-03-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL275027D NL275027A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1961-03-09 |
Country Status (8)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2060008A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-05-09 | 1971-06-11 | Matsushita Electric Ind Co Ltd |
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 |
| JP7118928B2 (ja) * | 2018-08-03 | 2022-08-16 | 東京エレクトロン株式会社 | 半導体ウエハの局所的歪みの特定に基づく全体的ウエハ歪みの改善 |
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 (de) * | 1951-03-10 | 1958-09-18 | Siemens Ag | Elektrisches Halbleitergeraet |
| DE1006169B (de) * | 1952-02-07 | 1957-04-11 | Siemes & Halske Ag | Anordnung zur Umwandlung mechanischer in elektrische Schwingungen |
| 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 NL275714D patent/NL275714A/xx unknown
- NL NL275027D patent/NL275027A/xx unknown
-
1961
- 1961-03-09 DE DE19611416334 patent/DE1416334B2/de active Pending
- 1961-12-07 CH CH1428561A patent/CH403864A/de unknown
- 1961-12-15 FI FI2208/61A patent/FI40808B/fi active
-
1962
- 1962-02-16 DK DK73962AA patent/DK117782B/da 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/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2060008A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-05-09 | 1971-06-11 | Matsushita Electric Ind Co Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| CH403864A (de) | 1965-12-15 |
| BE614837A (fr) | 1962-09-10 |
| SE300021B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-04-01 |
| NL275027A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| US3239611A (en) | 1966-03-08 |
| DE1416334B2 (de) | 1972-09-28 |
| DK117782B (da) | 1970-06-01 |
| DE1416334A1 (de) | 1969-01-09 |
| FI40808B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-02-28 |