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
Publication of NL6405564A publication Critical patent/NL6405564A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/04Microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/005Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
NL6405564A 1964-05-20 1964-05-20 NL6405564A (en)

Priority Applications (1)

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

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
NL6405564A NL6405564A (en) 1964-05-20 1964-05-20
DEN26725A DE1274192B (en) 1964-05-20 1965-05-15 Microphone combination with an amplifier circuit that consists of two microphone groups
AT445865A AT263871B (en) 1964-05-20 1965-05-17 Microphone combination with an amplifier circuit, consisting of two microphone groups which are connected to the amplifier circuit with opposite polarity
SE6420/65A SE313599B (en) 1964-05-20 1965-05-17
CH685065A CH446442A (en) 1964-05-20 1965-05-17 Sound recording device
GB20738/65A GB1102186A (en) 1964-05-20 1965-05-17 Improvements in and relating to microphone combinations
DK247565AA DK118567B (en) 1964-05-20 1965-05-17 Microphone system with one amplifier coupling and with two microphone groups.
NO158114A NO117082B (en) 1964-05-20 1965-05-18
BE664110A BE664110A (en) 1964-05-20 1965-05-18 Combination of microphones consisting of several spaced sound units
ES0313062A ES313062A1 (en) 1964-05-20 1965-05-18 A combined provision of microphones. (Machine-translation by Google Translate, not legally binding)
US456768A US3403223A (en) 1964-05-20 1965-05-18 Microphone combinations of the kind comprising a plurality of directional sound units
FR17760A FR1444200A (en) 1964-05-20 1965-05-20 Combination of microphones consisting of several spaced sound units

Publications (1)

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

Family

ID=19790109

Family Applications (1)

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

Country Status (12)

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

Families Citing this family (10)

* 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 (en) * 1979-04-26 1984-03-07 Victor Company Of Japan
US4354059A (en) * 1979-09-11 1982-10-12 Victor Company Of Japan, Ltd. Variable-directivity microphone device
US4399327A (en) * 1980-01-25 1983-08-16 Victor Company Of Japan, Limited Variable directional microphone system
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
JP4117910B2 (en) * 1997-04-10 2008-07-16 ベイヤー ダイナミック ゲーエムベーハー アンド カンパニー Recording device especially for loudspeakers

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
DE1274192B (en) 1968-08-01
BE664110A (en) 1965-11-18
FR1444200A (en) 1966-07-01
CH446442A (en) 1967-11-15
NO117082B (en) 1969-06-30
AT263871B (en) 1968-08-12
GB1102186A (en) 1968-02-07
DK118567B (en) 1970-09-07
US3403223A (en) 1968-09-24
SE313599B (en) 1969-08-18
ES313062A1 (en) 1965-10-01

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