NL221726A - - Google Patents

Info

Publication number
NL221726A
NL221726A NL221726DA NL221726A NL 221726 A NL221726 A NL 221726A NL 221726D A NL221726D A NL 221726DA NL 221726 A NL221726 A NL 221726A
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 NL221726A publication Critical patent/NL221726A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/10—Arrangements for producing a reverberation or echo sound using time-delay networks comprising electromechanical or electro-acoustic devices
    • 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
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
    • H04R2203/12—Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
NL221726D 1957-10-18 NL221726A (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL221726A true NL221726A (xx)

Family

ID=19868886

Family Applications (2)

Application Number Title Priority Date Filing Date
NL221726D NL221726A (xx) 1957-10-18
NL112868D NL112868C (xx) 1957-10-18

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL112868D NL112868C (xx) 1957-10-18

Country Status (2)

Country Link
DE (1) DE1091771B (xx)
NL (2) NL112868C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8001118A (nl) * 1980-02-25 1981-09-16 Philips Nv Inrichting voor het opnemen of weergeven van geluidstrillingen.
NL8001119A (nl) * 1980-02-25 1981-09-16 Philips Nv Richtingsonafhankelijk luidsprekerszuil- of vlak.
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

Also Published As

Publication number Publication date
DE1091771B (de) 1960-10-27
NL112868C (xx)

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