DE1274192B - Mikrophonkombination mit einer Verstaerkerschaltung, die aus zwei Mikrophongruppen besteht - Google Patents

Mikrophonkombination mit einer Verstaerkerschaltung, die aus zwei Mikrophongruppen besteht

Info

Publication number
DE1274192B
DE1274192B DEN26725A DEN0026725A DE1274192B DE 1274192 B DE1274192 B DE 1274192B DE N26725 A DEN26725 A DE N26725A DE N0026725 A DEN0026725 A DE N0026725A DE 1274192 B DE1274192 B DE 1274192B
Authority
DE
Germany
Prior art keywords
amplifier
microphone
signal
frequency
group
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.)
Withdrawn
Application number
DEN26725A
Other languages
German (de)
English (en)
Inventor
Wilhelmus Hermanus Iding
Derk Kleis
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE1274192B publication Critical patent/DE1274192B/de
Withdrawn legal-status Critical Current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
    • 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)
DEN26725A 1964-05-20 1965-05-15 Mikrophonkombination mit einer Verstaerkerschaltung, die aus zwei Mikrophongruppen besteht Withdrawn DE1274192B (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE1274192B true DE1274192B (de) 1968-08-01

Family

ID=19790109

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN26725A Withdrawn DE1274192B (de) 1964-05-20 1965-05-15 Mikrophonkombination mit einer Verstaerkerschaltung, die aus zwei Mikrophongruppen besteht

Country Status (12)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3033985A1 (de) * 1979-09-11 1981-04-09 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Mikrofoneinrichtung mit veraenderbarer richtwirkung
DE3530205A1 (de) * 1984-08-24 1986-03-06 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Mikrofonanlage mit variabler richtcharakteristik

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
US4399327A (en) * 1980-01-25 1983-08-16 Victor Company Of Japan, Limited Variable directional microphone system
DE3331440C2 (de) * 1982-09-01 1987-04-23 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Phasengesteuerte Schallaufnehmeranordnung mit im wesentlichen langgestreckter Anordnung von Mikrofonen
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
WO2021087377A1 (en) * 2019-11-01 2021-05-06 Shure Acquisition Holdings, Inc. Proximity microphone
CN113613120A (zh) * 2021-01-20 2021-11-05 深圳市冠旭电子股份有限公司 一种混合后馈降噪电路、混合后馈降噪装置以及降噪耳机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (2)

* 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
US3204031A (en) * 1961-08-29 1965-08-31 Akg Akustische Kino Geraete Moving-coil microphone arrangement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3033985A1 (de) * 1979-09-11 1981-04-09 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Mikrofoneinrichtung mit veraenderbarer richtwirkung
US4354059A (en) 1979-09-11 1982-10-12 Victor Company Of Japan, Ltd. Variable-directivity microphone device
DE3530205A1 (de) * 1984-08-24 1986-03-06 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Mikrofonanlage mit variabler richtcharakteristik

Also Published As

Publication number Publication date
ES313062A1 (es) 1965-10-01
SE313599B (enrdf_load_stackoverflow) 1969-08-18
NL6405564A (enrdf_load_stackoverflow) 1965-11-22
US3403223A (en) 1968-09-24
NO117082B (enrdf_load_stackoverflow) 1969-06-30
FR1444200A (fr) 1966-07-01
BE664110A (fr) 1965-11-18
DK118567B (da) 1970-09-07
AT263871B (de) 1968-08-12
CH446442A (de) 1967-11-15
GB1102186A (en) 1968-02-07

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee