SE9601519L - Mikrofonkrets - Google Patents
MikrofonkretsInfo
- Publication number
- SE9601519L SE9601519L SE9601519A SE9601519A SE9601519L SE 9601519 L SE9601519 L SE 9601519L SE 9601519 A SE9601519 A SE 9601519A SE 9601519 A SE9601519 A SE 9601519A SE 9601519 L SE9601519 L SE 9601519L
- Authority
- SE
- Sweden
- Prior art keywords
- microphone
- transistor
- circuit
- capacitor
- connecting point
- 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
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Networks Using Active Elements (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9601519A SE506362C2 (sv) | 1996-04-22 | 1996-04-22 | Mikrofonkrets |
US08/838,038 US6104818A (en) | 1996-04-22 | 1997-04-22 | Microphone circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9601519A SE506362C2 (sv) | 1996-04-22 | 1996-04-22 | Mikrofonkrets |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9601519D0 SE9601519D0 (sv) | 1996-04-22 |
SE9601519L true SE9601519L (sv) | 1997-10-23 |
SE506362C2 SE506362C2 (sv) | 1997-12-08 |
Family
ID=20402287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9601519A SE506362C2 (sv) | 1996-04-22 | 1996-04-22 | Mikrofonkrets |
Country Status (2)
Country | Link |
---|---|
US (1) | US6104818A (sv) |
SE (1) | SE506362C2 (sv) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4227679B2 (ja) * | 1998-05-07 | 2009-02-18 | 株式会社オーディオテクニカ | インピーダンス変換器 |
EP1067819B1 (en) * | 1999-07-08 | 2004-06-09 | Matsushita Electric Industrial Co., Ltd. | Condenser microphone apparatus and its connecting apparatus |
JP3456193B2 (ja) * | 2000-06-08 | 2003-10-14 | 松下電器産業株式会社 | コンデンサマイク装置 |
US7787642B2 (en) * | 2003-07-17 | 2010-08-31 | Massachusetts Institute Of Technology | Low-power high-PSRR current-mode microphone pre-amplifier system and method |
US8644529B2 (en) | 2009-10-13 | 2014-02-04 | Cad Audio, Llc | Fully differential low-noise capacitor microphone circuit |
CN104301841A (zh) * | 2014-09-29 | 2015-01-21 | 成都英博联宇科技有限公司 | 一种简易式无线麦克风电路 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5710598A (en) * | 1980-06-20 | 1982-01-20 | Sony Corp | Transmitting circuit of microphone output |
US4518829A (en) * | 1984-04-02 | 1985-05-21 | Gte Communications Systems Corporation | Two terminal microphone active load gain regulation circuit |
-
1996
- 1996-04-22 SE SE9601519A patent/SE506362C2/sv not_active IP Right Cessation
-
1997
- 1997-04-22 US US08/838,038 patent/US6104818A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE506362C2 (sv) | 1997-12-08 |
US6104818A (en) | 2000-08-15 |
SE9601519D0 (sv) | 1996-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |