BE767956A - MICROPHONE CARTRIDGE WITH AMPLIFIER - Google Patents
MICROPHONE CARTRIDGE WITH AMPLIFIERInfo
- Publication number
- BE767956A BE767956A BE767956A BE767956A BE767956A BE 767956 A BE767956 A BE 767956A BE 767956 A BE767956 A BE 767956A BE 767956 A BE767956 A BE 767956A BE 767956 A BE767956 A BE 767956A
- Authority
- BE
- Belgium
- Prior art keywords
- amplifier
- microphone cartridge
- microphone
- cartridge
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4237870A | 1970-06-01 | 1970-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE767956A true BE767956A (en) | 1971-12-01 |
Family
ID=21921598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE767956A BE767956A (en) | 1970-06-01 | 1971-06-01 | MICROPHONE CARTRIDGE WITH AMPLIFIER |
Country Status (5)
Country | Link |
---|---|
US (1) | US3660602A (en) |
JP (1) | JPS5126067B1 (en) |
BE (1) | BE767956A (en) |
CA (1) | CA929656A (en) |
DE (2) | DE2126556A1 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3872470A (en) * | 1973-04-18 | 1975-03-18 | Airco Inc | Audible signal generating apparatus having selectively controlled audible output |
US3947647A (en) * | 1974-03-21 | 1976-03-30 | E. F. Johnson Company | Microphone having improved transducer support |
GB1515287A (en) * | 1974-05-30 | 1978-06-21 | Plessey Co Ltd | Piezoelectric transducers |
US4035672A (en) * | 1975-02-06 | 1977-07-12 | Cts Corporation | Acoustic transducer with a dual purpose piezoelectric element |
US4113999A (en) * | 1975-11-20 | 1978-09-12 | Warren A. Sturm | Hand held communications microphone |
JPS534453U (en) * | 1976-06-30 | 1978-01-17 | ||
JPS5627622A (en) * | 1979-08-15 | 1981-03-18 | Toyota Motor Corp | Sensor |
US4449236A (en) * | 1982-04-08 | 1984-05-15 | Walker Equipment Corporation | Anti-side tone transmitter |
FR2531299B1 (en) * | 1982-08-02 | 1986-07-18 | Depaepe Sa Henri | ACOUSTO-ELECTRIC TRANSDUCER, ESPECIALLY FOR A PIEZOELECTRIC MICROPHONE |
US4584702A (en) * | 1983-12-19 | 1986-04-22 | Walker Equipment Corporation | Noise cancelling telephone transmitter insertable in telephone handset receptacle |
FR2572616A1 (en) * | 1984-10-30 | 1986-05-02 | Thomson Csf | PIEZOELECTRIC DIAPHRAGM ELECTRO-ACOUSTIC TRANSDUCER |
FR2643771A1 (en) * | 1989-02-27 | 1990-08-31 | Horlogerie Photograph Fse | PIEZOELECTRIC CAPSULE WITH CONDUCTIVE ELASTIC HOLDING COMPONENTS |
FR2643772B1 (en) * | 1989-02-27 | 1991-06-07 | Horlogerie Photograph Fse | PIEZOELECTRIC CAPSULE WITH FLAT RANGE AND ELASTIC HOLDING DEVICES |
US5377273A (en) * | 1992-03-26 | 1994-12-27 | Hewlett-Packard Company | Batteryless power supply for transducers |
US7212644B2 (en) * | 2000-05-26 | 2007-05-01 | California Institute Of Technology | Resonant frequency adjustment using tunable damping rods |
IL180715A (en) * | 2007-01-15 | 2011-04-28 | Baran Advanced Technologies 1986 Ltd | Method for the fully automated production of a piezoelectric switch and a process therefor |
US20150139457A1 (en) * | 2012-06-06 | 2015-05-21 | Nec Casio Mobile Communications, Ltd. | Speaker device and electronic device |
USD901459S1 (en) * | 2020-07-15 | 2020-11-10 | Yang Zhao | Microphone pop filter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE548920A (en) * | 1955-08-19 | |||
DE1076182B (en) * | 1957-02-21 | 1960-02-25 | F & H Schumann G M B H | Filter arrangement for electro-acoustic converters |
US3130275A (en) * | 1962-10-15 | 1964-04-21 | Electro Voice | Microphone |
US3440363A (en) * | 1965-11-26 | 1969-04-22 | Bell Telephone Labor Inc | Shock-resistant microphone |
JPS4222077Y1 (en) * | 1965-12-28 | 1967-12-16 | ||
JPS453072Y1 (en) * | 1966-03-31 | 1970-02-10 | ||
JPS426962Y1 (en) * | 1966-11-08 | 1967-03-31 | ||
US3497731A (en) * | 1967-09-19 | 1970-02-24 | Gen Dynamics Corp | Bender type transducers |
US3564303A (en) * | 1968-10-07 | 1971-02-16 | Westinghouse Electric Corp | Encapsulated transducer assembly |
-
1970
- 1970-06-01 US US42378A patent/US3660602A/en not_active Expired - Lifetime
-
1971
- 1971-05-28 DE DE19712126556 patent/DE2126556A1/en active Pending
- 1971-05-28 DE DE19717120774U patent/DE7120774U/en not_active Expired
- 1971-06-01 BE BE767956A patent/BE767956A/en unknown
- 1971-06-01 CA CA114473A patent/CA929656A/en not_active Expired
- 1971-06-01 JP JP46038192A patent/JPS5126067B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5126067B1 (en) | 1976-08-04 |
DE7120774U (en) | 1973-01-18 |
DE2126556A1 (en) | 1971-12-09 |
CA929656A (en) | 1973-07-03 |
US3660602A (en) | 1972-05-02 |
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