NL112868C - - Google Patents

Info

Publication number
NL112868C
NL112868C NL112868DA NL112868C NL 112868 C NL112868 C NL 112868C NL 112868D A NL112868D A NL 112868DA NL 112868 C NL112868 C NL 112868C
Authority
NL
Netherlands
Application number
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.)
Publication of NL112868C publication Critical patent/NL112868C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00Acoustics not otherwise provided for
    • G10K15/08Arrangements for producing a reverberation or echo sound
    • G10K15/10Arrangements for producing a reverberation or echo sound using time-delay networks comprising electromechanical or electro-acoustic devices
    • 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
    • H04R1/403Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H04R5/00Stereophonic arrangements
    • H04R5/027Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2203/00Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
    • H04R2203/12Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Stereophonic System (AREA)
NL112868D 1957-10-18 NL112868C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1091771X 1957-10-18

Publications (1)

Publication Number Publication Date
NL112868C true NL112868C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=19868886

Family Applications (2)

Application Number Title Priority Date Filing Date
NL112868D NL112868C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1957-10-18
NL221726D NL221726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1957-10-18

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL221726D NL221726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1957-10-18

Country Status (2)

Country Link
DE (1) DE1091771B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL221726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034865A3 (en) * 1980-02-25 1981-09-16 N.V. Philips' Gloeilampenfabrieken Arrangement for the transmission of audio signals
EP0034844B1 (en) * 1980-02-25 1983-10-19 Koninklijke Philips Electronics N.V. A direction- and frequency-independent loudspeaker- or microphone-column or a loudspeaker- or microphone-surface

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509938B1 (fr) * 1981-04-01 1987-11-13 Trt Telecom Radio Electr Agencement de transducteurs acoustiques et utilisation de cet agencement dans un poste telephonique " mains libres "
JP4007254B2 (ja) * 2003-06-02 2007-11-14 ヤマハ株式会社 アレースピーカーシステム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927037C (de) * 1949-02-23 1955-04-28 Nordwestdeutscher Rundfunk Kapazitives Mikrophon mit veraenderbarer Richtcharakteristik
DE928351C (de) * 1949-06-05 1955-05-31 Siemens Ag Lautsprecheranordnung mit mehreren, zur Erzielung einer Richtwirkung nach Art der geraden Strahlergruppe in einer Reihe angeordneten Einzellautsprechern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034865A3 (en) * 1980-02-25 1981-09-16 N.V. Philips' Gloeilampenfabrieken Arrangement for the transmission of audio signals
EP0034844B1 (en) * 1980-02-25 1983-10-19 Koninklijke Philips Electronics N.V. A direction- and frequency-independent loudspeaker- or microphone-column or a loudspeaker- or microphone-surface

Also Published As

Publication number Publication date
NL221726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1091771B (de) 1960-10-27

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