DK118567B - Mikrofonanlæg med en forstærkobling og med to mikrofongrupper. - Google Patents

Mikrofonanlæg med en forstærkobling og med to mikrofongrupper.

Info

Publication number
DK118567B
DK118567B DK247565AA DK247565A DK118567B DK 118567 B DK118567 B DK 118567B DK 247565A A DK247565A A DK 247565AA DK 247565 A DK247565 A DK 247565A DK 118567 B DK118567 B DK 118567B
Authority
DK
Denmark
Prior art keywords
microphone
groups
amplifier coupling
microphone system
amplifier
Prior art date
Application number
DK247565AA
Other languages
Danish (da)
English (en)
Inventor
Kleis Derk
Hermanus Iding Wilhelmus
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK118567B publication Critical patent/DK118567B/da

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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
DK247565AA 1964-05-20 1965-05-17 Mikrofonanlæg med en forstærkobling og med to mikrofongrupper. DK118567B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6405564A NL6405564A (ko) 1964-05-20 1964-05-20

Publications (1)

Publication Number Publication Date
DK118567B true DK118567B (da) 1970-09-07

Family

ID=19790109

Family Applications (1)

Application Number Title Priority Date Filing Date
DK247565AA DK118567B (da) 1964-05-20 1965-05-17 Mikrofonanlæg med en forstærkobling og med to mikrofongrupper.

Country Status (12)

Country Link
US (1) US3403223A (ko)
AT (1) AT263871B (ko)
BE (1) BE664110A (ko)
CH (1) CH446442A (ko)
DE (1) DE1274192B (ko)
DK (1) DK118567B (ko)
ES (1) ES313062A1 (ko)
FR (1) FR1444200A (ko)
GB (1) GB1102186A (ko)
NL (1) NL6405564A (ko)
NO (1) NO117082B (ko)
SE (1) SE313599B (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334740A (en) * 1978-09-12 1982-06-15 Polaroid Corporation Receiving system having pre-selected directional response
JPS5910119B2 (ja) * 1979-04-26 1984-03-07 日本ビクター株式会社 可変指向性マイクロホン
US4354059A (en) * 1979-09-11 1982-10-12 Victor Company Of Japan, Ltd. Variable-directivity microphone device
DE3102208C2 (de) * 1980-01-25 1983-01-05 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Mikrofonsystem mit veränderbarer Richtcharakteristik
US4521908A (en) * 1982-09-01 1985-06-04 Victor Company Of Japan, Limited Phased-array sound pickup apparatus having no unwanted response pattern
US4696043A (en) * 1984-08-24 1987-09-22 Victor Company Of Japan, Ltd. Microphone apparatus having a variable directivity pattern
US4742548A (en) * 1984-12-20 1988-05-03 American Telephone And Telegraph Company Unidirectional second order gradient microphone
US5193117A (en) * 1989-11-27 1993-03-09 Matsushita Electric Industrial Co., Ltd. Microphone apparatus
US5715319A (en) * 1996-05-30 1998-02-03 Picturetel Corporation Method and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirements
EP1008277B1 (de) * 1997-04-10 2001-08-01 Interkom Electronic Kock & Mreches Gmbh Schallaufnahmeeinrichtung, insbesondere für eine sprechstelle
US7697827B2 (en) 2005-10-17 2010-04-13 Konicek Jeffrey C User-friendlier interfaces for a camera
CN110049405B (zh) * 2018-01-15 2022-02-18 厦门雅迅网络股份有限公司 一种兼容式车载麦克风电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2305599A (en) * 1941-04-08 1942-12-22 S N Shure Conversion of wave motion into electrical energy
US2301744A (en) * 1941-05-31 1942-11-10 Rca Corp Electroacoustical signal translating apparatus
US2810786A (en) * 1950-06-12 1957-10-22 Siemens Ag Directional microphone system
US3204031A (en) * 1961-08-29 1965-08-31 Akg Akustische Kino Geraete Moving-coil microphone arrangement

Also Published As

Publication number Publication date
CH446442A (de) 1967-11-15
NL6405564A (ko) 1965-11-22
SE313599B (ko) 1969-08-18
AT263871B (de) 1968-08-12
NO117082B (ko) 1969-06-30
BE664110A (fr) 1965-11-18
GB1102186A (en) 1968-02-07
ES313062A1 (es) 1965-10-01
FR1444200A (fr) 1966-07-01
US3403223A (en) 1968-09-24
DE1274192B (de) 1968-08-01

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