NL176992C - ELECTRO ACOUSTIC CONVERTER. - Google Patents
ELECTRO ACOUSTIC CONVERTER.Info
- Publication number
- NL176992C NL176992C NL7703582A NL7703582A NL176992C NL 176992 C NL176992 C NL 176992C NL 7703582 A NL7703582 A NL 7703582A NL 7703582 A NL7703582 A NL 7703582A NL 176992 C NL176992 C NL 176992C
- Authority
- NL
- Netherlands
- Prior art keywords
- acoustic converter
- electro acoustic
- electro
- converter
- acoustic
- 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
- H04R17/025—Microphones using a piezoelectric polymer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3766076A JPS52120820A (en) | 1976-04-02 | 1976-04-02 | Electroacoustic transducer |
JP1976080460U JPS553760Y2 (en) | 1976-06-18 | 1976-06-18 | |
JP10860876A JPS5333613A (en) | 1976-09-09 | 1976-09-09 | Microphone and its manufacture |
JP1976137541U JPS5411860Y2 (en) | 1976-10-12 | 1976-10-12 | |
JP1976145964U JPS5411861Y2 (en) | 1976-10-29 | 1976-10-29 | |
JP13075176A JPS5355113A (en) | 1976-10-29 | 1976-10-29 | Microphone |
JP16366976U JPS5380437U (en) | 1976-12-06 | 1976-12-06 | |
JP167877A JPS5387215A (en) | 1977-01-10 | 1977-01-10 | Piezpo-electric microphone and its manufacture |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7703582A NL7703582A (en) | 1977-10-04 |
NL176992B NL176992B (en) | 1985-02-01 |
NL176992C true NL176992C (en) | 1985-07-01 |
Family
ID=27571446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7703582A NL176992C (en) | 1976-04-02 | 1977-04-01 | ELECTRO ACOUSTIC CONVERTER. |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2714709C3 (en) |
GB (1) | GB1565860A (en) |
NL (1) | NL176992C (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5675686A (en) * | 1979-11-26 | 1981-06-22 | Kureha Chem Ind Co Ltd | Ultrasonic video device |
FR2511570A1 (en) * | 1981-08-11 | 1983-02-18 | Thomson Csf | ELECTROACOUSTIC TRANSDUCER WITH PIEZOELECTRIC POLYMER |
FR2511571A1 (en) * | 1981-08-11 | 1983-02-18 | Thomson Csf | ELECTROACOUSTIC TRANSDUCER WITH CONDENSER WITH POLARIZED SOLID DIELECTRIC |
FR2651633B1 (en) * | 1989-09-01 | 1992-04-30 | Thomson Consumer Electronics | ELEMENT AND DEVICES FOR ELECTROACOUSTIC TRANSDUCERS WITH PIEZOELECTRIC POLYMER BIMORPH, IN PARTICULAR FOR THE PRODUCTION OF A SPEAKER WITH LINEAR RADIATION DIAGRAM. |
JP2015521062A (en) | 2012-05-11 | 2015-07-27 | スリーエム イノベイティブ プロパティズ カンパニー | Bioacoustic sensor with noise vibration control function |
KR20210007733A (en) * | 2019-07-12 | 2021-01-20 | 현대자동차주식회사 | Microphone and manufacturing method thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1127950B (en) * | 1960-01-12 | 1962-04-19 | Sennheiser Electronic | Electroacoustic transducer with a plate-shaped transducer element |
DE1270115B (en) * | 1964-01-08 | 1968-06-12 | Standard Elektrik Lorenz Ag | Electrodynamic converter in telecommunications, especially dynamic earphone capsule |
JPS5745760Y2 (en) * | 1974-02-18 | 1982-10-08 | ||
JPS5215972B2 (en) * | 1974-02-28 | 1977-05-06 |
-
1977
- 1977-03-30 GB GB1350177A patent/GB1565860A/en not_active Expired
- 1977-04-01 DE DE19772714709 patent/DE2714709C3/en not_active Expired
- 1977-04-01 NL NL7703582A patent/NL176992C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1565860A (en) | 1980-04-23 |
DE2714709B2 (en) | 1979-09-27 |
NL176992B (en) | 1985-02-01 |
NL7703582A (en) | 1977-10-04 |
DE2714709C3 (en) | 1984-10-18 |
DE2714709A1 (en) | 1977-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |