DE69327013T2 - Stromversorgungsvorrichtung für Mikrofon - Google Patents

Stromversorgungsvorrichtung für Mikrofon

Info

Publication number
DE69327013T2
DE69327013T2 DE69327013T DE69327013T DE69327013T2 DE 69327013 T2 DE69327013 T2 DE 69327013T2 DE 69327013 T DE69327013 T DE 69327013T DE 69327013 T DE69327013 T DE 69327013T DE 69327013 T2 DE69327013 T2 DE 69327013T2
Authority
DE
Germany
Prior art keywords
microphone
power supply
supply device
power
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69327013T
Other languages
English (en)
Other versions
DE69327013D1 (de
Inventor
Christopher K Sutton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agilent Technologies Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69327013D1 publication Critical patent/DE69327013D1/de
Application granted granted Critical
Publication of DE69327013T2 publication Critical patent/DE69327013T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
DE69327013T 1992-03-26 1993-03-10 Stromversorgungsvorrichtung für Mikrofon Expired - Fee Related DE69327013T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/857,859 US5377273A (en) 1992-03-26 1992-03-26 Batteryless power supply for transducers

Publications (2)

Publication Number Publication Date
DE69327013D1 DE69327013D1 (de) 1999-12-23
DE69327013T2 true DE69327013T2 (de) 2000-02-24

Family

ID=25326878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69327013T Expired - Fee Related DE69327013T2 (de) 1992-03-26 1993-03-10 Stromversorgungsvorrichtung für Mikrofon

Country Status (4)

Country Link
US (1) US5377273A (de)
EP (1) EP0562738B1 (de)
JP (1) JP3152536B2 (de)
DE (1) DE69327013T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3701757B2 (ja) * 1996-11-19 2005-10-05 株式会社オーディオテクニカ コンデンサマイクロホンの電源回路
US6681020B1 (en) * 1999-04-09 2004-01-20 Vxi Corporation Microphone circuit with mute and keep alive function
AU2002243458A1 (en) * 2001-01-04 2002-07-16 Audiophoric, Inc Apparatus, system and method for capturing sound
US7072478B2 (en) * 2001-09-24 2006-07-04 Taylor Hohendahl Engineering Llp Microphone preamplifier
US20060285699A1 (en) * 2002-01-03 2006-12-21 Fuqua Kenton M Apparatus, system and method for capturing sound
CN100581032C (zh) * 2003-12-01 2010-01-13 音频专用集成电路公司 具有电压泵的麦克风
US8160261B2 (en) * 2005-01-18 2012-04-17 Sensaphonics, Inc. Audio monitoring system
DE102005007623A1 (de) * 2005-02-18 2006-08-31 Robert Bosch Gmbh Mikrofon
US8483412B2 (en) * 2009-05-20 2013-07-09 Cad Audio, Llc Variable pattern hanging microphone system with remote polar control
DE102011010506B4 (de) 2011-02-07 2017-10-26 Tdk Corporation Mikrofonanordnung
DK3454568T3 (da) * 2017-09-12 2021-01-11 G R A S Sound & Vibration As Mikrofon-forforstærker med polariseringsspændingsforsyning
US10461706B1 (en) * 2018-04-30 2019-10-29 Texas Instruments Incorporated Differential amplifier including cancellation capacitors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305638A (en) * 1964-02-17 1967-02-21 Steven D Teachout Condenser microphone circuit with solid electrolyte battery polarizing source
US3660602A (en) * 1970-06-01 1972-05-02 Conrac Corp Microphone cartridge with amplifier
JPS5139561Y2 (de) * 1973-11-15 1976-09-28
US4000370A (en) * 1975-05-16 1976-12-28 Shure Brothers Incorporated Line level microphone with built in limiter
US4103219A (en) * 1976-10-05 1978-07-25 Rca Corporation Shunt voltage regulator
JPS5528167A (en) * 1978-08-18 1980-02-28 Sutatsukusu Kogyo Kk Parallel type constant voltage source unit by constant current feeding
US4280018A (en) * 1979-05-14 1981-07-21 Strobotronix, Inc. Integrated piezoelectric sound transducer and preamplifier
DE3377765D1 (en) * 1982-06-14 1988-09-22 Neumann Gmbh Georg Microphone
GB2126809B (en) * 1982-08-28 1986-05-14 Sound Diffusion Plc Electrical supply lines
JPS6110305A (ja) * 1984-06-26 1986-01-17 Nec Corp バツフア増幅器
US5122970A (en) * 1988-06-17 1992-06-16 Hewlett-Packard Company Improved sensor
US4888807A (en) * 1989-01-18 1989-12-19 Audio-Technica U.S., Inc. Variable pattern microphone system

Also Published As

Publication number Publication date
EP0562738A3 (en) 1994-11-23
DE69327013D1 (de) 1999-12-23
EP0562738A2 (de) 1993-09-29
JPH0654393A (ja) 1994-02-25
JP3152536B2 (ja) 2001-04-03
US5377273A (en) 1994-12-27
EP0562738B1 (de) 1999-11-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US

8339 Ceased/non-payment of the annual fee