DK41593A - Method and coupling to reduce the harmonic distortion of a capacitive transducer - Google Patents
Method and coupling to reduce the harmonic distortion of a capacitive transducerInfo
- Publication number
- DK41593A DK41593A DK041593A DK41593A DK41593A DK 41593 A DK41593 A DK 41593A DK 041593 A DK041593 A DK 041593A DK 41593 A DK41593 A DK 41593A DK 41593 A DK41593 A DK 41593A
- Authority
- DK
- Denmark
- Prior art keywords
- coupling
- reduce
- harmonic distortion
- capacitive transducer
- capacitive
- 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
- H04R19/04—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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
- H04R3/06—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electrostatic transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK041593A DK170196B1 (en) | 1993-04-07 | 1993-04-07 | Method and coupling to reduce the harmonic distortion of a capacitive transducer |
EP94913038A EP0694246A1 (en) | 1993-04-07 | 1994-04-06 | A method and a coupling for reducing the harmonic distortion of a capacitive transducer |
JP6521571A JPH08509327A (en) | 1993-04-07 | 1994-04-06 | Method and circuit configuration for reducing harmonic distortion of a capacitive transducer |
AU65346/94A AU6534694A (en) | 1993-04-07 | 1994-04-06 | A method and a coupling for reducing the harmonic distortion of a capacitive transducer |
PCT/DK1994/000142 WO1994023547A1 (en) | 1993-04-07 | 1994-04-06 | A method and a coupling for reducing the harmonic distortion of a capacitive transducer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK041593A DK170196B1 (en) | 1993-04-07 | 1993-04-07 | Method and coupling to reduce the harmonic distortion of a capacitive transducer |
DK41593 | 1993-04-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK41593D0 DK41593D0 (en) | 1993-04-07 |
DK41593A true DK41593A (en) | 1994-10-08 |
DK170196B1 DK170196B1 (en) | 1995-06-06 |
Family
ID=8093260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK041593A DK170196B1 (en) | 1993-04-07 | 1993-04-07 | Method and coupling to reduce the harmonic distortion of a capacitive transducer |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0694246A1 (en) |
JP (1) | JPH08509327A (en) |
AU (1) | AU6534694A (en) |
DK (1) | DK170196B1 (en) |
WO (1) | WO1994023547A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08233581A (en) * | 1994-12-28 | 1996-09-13 | Yoshiro Tomikawa | Driving device for electrostatic converting means |
JPH08307199A (en) * | 1995-01-11 | 1996-11-22 | Yoshiro Tomikawa | Capacitive component reduction circuit for electrostatic conversion means and driver and detector for electrostatic conversion means |
JP4057212B2 (en) | 2000-02-15 | 2008-03-05 | 三菱電機株式会社 | Microphone device |
AU2002237204A1 (en) | 2001-03-09 | 2002-09-24 | Techtronic A/S | An electret condensor microphone preamplifier that is insensitive to leakage currents at the input |
CN100432682C (en) * | 2001-09-06 | 2008-11-12 | 东京毅力科创株式会社 | Potential fixing device and potential fixing method |
TWI221196B (en) * | 2001-09-06 | 2004-09-21 | Tokyo Electron Ltd | Impedance measuring circuit, its method, and electrostatic capacitance measuring circuit |
EP2317645B1 (en) | 2009-10-16 | 2013-04-10 | Nxp B.V. | Capacitive sensor |
US10153740B2 (en) | 2016-07-11 | 2018-12-11 | Knowles Electronics, Llc | Split signal differential MEMS microphone |
EP3379204B1 (en) | 2017-03-22 | 2021-02-17 | Knowles Electronics, LLC | Arrangement to calibrate a capacitive sensor interface |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3116366A (en) * | 1959-08-18 | 1963-12-31 | Arnold L Seligson | Capacitive source signal generators |
GB2003364B (en) * | 1977-08-24 | 1982-03-03 | Post Office | Electroacoustic transducer for a microphone |
IT1112691B (en) * | 1978-07-12 | 1986-01-20 | Sits Soc It Telecom Siemens | CONDENSER MICROPHONE |
-
1993
- 1993-04-07 DK DK041593A patent/DK170196B1/en not_active IP Right Cessation
-
1994
- 1994-04-06 EP EP94913038A patent/EP0694246A1/en not_active Ceased
- 1994-04-06 WO PCT/DK1994/000142 patent/WO1994023547A1/en not_active Application Discontinuation
- 1994-04-06 AU AU65346/94A patent/AU6534694A/en not_active Abandoned
- 1994-04-06 JP JP6521571A patent/JPH08509327A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0694246A1 (en) | 1996-01-31 |
AU6534694A (en) | 1994-10-24 |
WO1994023547A1 (en) | 1994-10-13 |
DK41593D0 (en) | 1993-04-07 |
JPH08509327A (en) | 1996-10-01 |
DK170196B1 (en) | 1995-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |