CH446442A - Schallaufnahmeeinrichtung - Google Patents

Schallaufnahmeeinrichtung

Info

Publication number
CH446442A
CH446442A CH685065A CH685065A CH446442A CH 446442 A CH446442 A CH 446442A CH 685065 A CH685065 A CH 685065A CH 685065 A CH685065 A CH 685065A CH 446442 A CH446442 A CH 446442A
Authority
CH
Switzerland
Prior art keywords
recording device
sound recording
sound
recording
Prior art date
Application number
CH685065A
Other languages
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 CH446442A publication Critical patent/CH446442A/de

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)
CH685065A 1964-05-20 1965-05-17 Schallaufnahmeeinrichtung CH446442A (de)

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
CH446442A true CH446442A (de) 1967-11-15

Family

ID=19790109

Family Applications (1)

Application Number Title Priority Date Filing Date
CH685065A CH446442A (de) 1964-05-20 1965-05-17 Schallaufnahmeeinrichtung

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
NL6405564A (de) 1965-11-22
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

Similar Documents

Publication Publication Date Title
FR1464210A (fr) Appareil de reproduction sonore
NL146300B (nl) Reproduktietoestel.
CH426093A (fr) Spiromètre enregistreur
CH446442A (de) Schallaufnahmeeinrichtung
FR1425862A (fr) Appareil d'enregistrement
AT291425B (de) Aufzeichnungsvorrichtung
CH428525A (de) Schallwiedergabeeinrichtung
FR1443436A (fr) Amplificateur
FR1454928A (fr) Appareil enregistreur
FR1440933A (fr) électrophone
DK132537C (da) Lydabsorberende underloft
FR1507980A (fr) Appareil de reproduction sonore
CH407574A (fr) Tourne-disque
FR1436696A (fr) Dispositif reproducteur de sons
FR1396745A (fr) Transducteur électromécanique
CH427331A (de) Plattenspieler
FR1426892A (fr) Transducteur
FR1541056A (fr) Reproducteur acoustique simple
FR1433577A (fr) Dispositif sonore
FR1414126A (fr) Enregistrement électrovisqueux
CH453075A (de) Reproduktionsgerät
FR1396859A (fr) Pochette de disque de gramophone
FR1444340A (fr) électrophone
CH413422A (de) Tonaufnahmegerät
FR1443473A (fr) Appareil d'enregistrement