NL6405564A - - Google Patents

Info

Publication number
NL6405564A
NL6405564A NL6405564A NL6405564A NL6405564A NL 6405564 A NL6405564 A NL 6405564A NL 6405564 A NL6405564 A NL 6405564A NL 6405564 A NL6405564 A NL 6405564A NL 6405564 A NL6405564 A NL 6405564A
Authority
NL
Netherlands
Application number
NL6405564A
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
Priority to NL6405564A priority Critical patent/NL6405564A/xx
Priority to DEN26725A priority patent/DE1274192B/de
Priority to DK247565AA priority patent/DK118567B/da
Priority to CH685065A priority patent/CH446442A/de
Priority to AT445865A priority patent/AT263871B/de
Priority to SE6420/65A priority patent/SE313599B/xx
Priority to GB20738/65A priority patent/GB1102186A/en
Priority to US456768A priority patent/US3403223A/en
Priority to BE664110A priority patent/BE664110A/xx
Priority to ES0313062A priority patent/ES313062A1/es
Priority to NO158114A priority patent/NO117082B/no
Priority to FR17760A priority patent/FR1444200A/fr
Publication of NL6405564A publication Critical patent/NL6405564A/xx

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)
NL6405564A 1964-05-20 1964-05-20 NL6405564A (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NL6405564A NL6405564A (de) 1964-05-20 1964-05-20
DEN26725A DE1274192B (de) 1964-05-20 1965-05-15 Mikrophonkombination mit einer Verstaerkerschaltung, die aus zwei Mikrophongruppen besteht
DK247565AA DK118567B (da) 1964-05-20 1965-05-17 Mikrofonanlæg med en forstærkobling og med to mikrofongrupper.
CH685065A CH446442A (de) 1964-05-20 1965-05-17 Schallaufnahmeeinrichtung
AT445865A AT263871B (de) 1964-05-20 1965-05-17 Mikrophonkombination mit einer Verstärkerschaltung, bestehend aus zwei Mikrophongruppen, die mit entgegengesetzter Polarität mit der Verstärkerschaltung verbunden sind
SE6420/65A SE313599B (de) 1964-05-20 1965-05-17
GB20738/65A GB1102186A (en) 1964-05-20 1965-05-17 Improvements in and relating to microphone combinations
US456768A US3403223A (en) 1964-05-20 1965-05-18 Microphone combinations of the kind comprising a plurality of directional sound units
BE664110A BE664110A (fr) 1964-05-20 1965-05-18 Combinaison de microphones se composant de plusieurs unités sonores espacées
ES0313062A ES313062A1 (es) 1964-05-20 1965-05-18 Una disposicion combinada de microfonos.
NO158114A NO117082B (de) 1964-05-20 1965-05-18
FR17760A FR1444200A (fr) 1964-05-20 1965-05-20 Combinaison de microphones se composant de plusieurs unités sonores espacées

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL6405564A true NL6405564A (de) 1965-11-22

Family

ID=19790109

Family Applications (1)

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

Country Status (12)

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

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
SE313599B (de) 1969-08-18
AT263871B (de) 1968-08-12
NO117082B (de) 1969-06-30
BE664110A (fr) 1965-11-18
GB1102186A (en) 1968-02-07
ES313062A1 (es) 1965-10-01
FR1444200A (fr) 1966-07-01
DK118567B (da) 1970-09-07
US3403223A (en) 1968-09-24
DE1274192B (de) 1968-08-01

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