AT308863B - Lautsprecheranordnung mit einer kardioidförmigen Richtcharakteristik - Google Patents

Lautsprecheranordnung mit einer kardioidförmigen Richtcharakteristik

Info

Publication number
AT308863B
AT308863B AT68371A AT68371A AT308863B AT 308863 B AT308863 B AT 308863B AT 68371 A AT68371 A AT 68371A AT 68371 A AT68371 A AT 68371A AT 308863 B AT308863 B AT 308863B
Authority
AT
Austria
Prior art keywords
directional characteristic
loudspeaker arrangement
cardioid directional
cardioid
loudspeaker
Prior art date
Application number
AT68371A
Other languages
German (de)
English (en)
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
Application granted granted Critical
Publication of AT308863B publication Critical patent/AT308863B/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
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H04R1/347—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers for obtaining a phase-shift between the front and back acoustic wave

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AT68371A 1970-01-31 1971-01-28 Lautsprecheranordnung mit einer kardioidförmigen Richtcharakteristik AT308863B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7001421A NL7001421A (cs) 1970-01-31 1970-01-31

Publications (1)

Publication Number Publication Date
AT308863B true AT308863B (de) 1973-07-25

Family

ID=19809220

Family Applications (1)

Application Number Title Priority Date Filing Date
AT68371A AT308863B (de) 1970-01-31 1971-01-28 Lautsprecheranordnung mit einer kardioidförmigen Richtcharakteristik

Country Status (4)

Country Link
US (1) US3739096A (cs)
AT (1) AT308863B (cs)
FR (1) FR2077430B1 (cs)
NL (1) NL7001421A (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921016A (en) * 1973-12-12 1975-11-18 Proctor & Assoc Co Sonic signal generator and housing
HU171882B (hu) * 1975-10-22 1978-04-28 Elektroakusztikai Gyar Napravlennyj ehlektroakusticheskij preobrazovatel', glavnym obrazom kardioidnyj zvukovoj izluchatel'
US4421957A (en) * 1981-06-15 1983-12-20 Bell Telephone Laboratories, Incorporated End-fire microphone and loudspeaker structures
FR2668015B1 (fr) * 1990-10-16 1993-07-30 Piccfaluga Pierre Procede pour ameliorer la qualite de la restitution d'une ambiance sonore, et appareil de mise en óoeuvre comportant au moins un haut-parleur emettant dans trois directions.
JP3127066B2 (ja) * 1992-10-30 2001-01-22 インターナショナル・ビジネス・マシーンズ・コーポレ−ション パーソナル・マルチメディア・スピーカ・システム
US5742690A (en) * 1994-05-18 1998-04-21 International Business Machine Corp. Personal multimedia speaker system
US5552569A (en) * 1995-03-08 1996-09-03 Sapkowski; Mechislao Exponential multi-ported acoustic enclosure
US5809150A (en) * 1995-06-28 1998-09-15 Eberbach; Steven J. Surround sound loudspeaker system
WO2010108123A1 (en) * 2009-03-20 2010-09-23 Meyer Sound Laboratories, Incorporated Loudspeaker with passive low frequency directional control
US8666107B2 (en) * 2012-04-11 2014-03-04 Cheng Uei Precision Industry Co., Ltd. Loudspeaker
US9307309B2 (en) * 2014-01-13 2016-04-05 Rockwell Automation Technologies, Inc. Stack light with in-line sound module
US10123111B2 (en) 2016-06-03 2018-11-06 Fulcrum Acoustic, LLC Passive cardioid speaker
US10422821B2 (en) 2017-04-17 2019-09-24 Rockwell Automation Technologies, Inc. System and method of identifying a module in a stack light
US11102570B2 (en) 2019-06-11 2021-08-24 Bose Corporation Auto-configurable bass loudspeaker
US11153680B2 (en) 2020-02-13 2021-10-19 Bose Corporation Stackable loudspeakers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB388348A (en) * 1932-10-26 1933-02-23 Gen Electric Co Ltd Improvements in loudspeakers
DE968490C (de) * 1949-06-05 1958-02-27 Siemens Ag Aus mehreren in einer Reihe in eine gemeinsame lattenartige Schallwand eingebauten Lautsprechern bestehende Lautsprechergruppenanordnung

Also Published As

Publication number Publication date
NL7001421A (cs) 1971-08-03
FR2077430B1 (cs) 1974-04-26
DE2100884B2 (de) 1976-07-22
FR2077430A1 (cs) 1971-10-22
US3739096A (en) 1973-06-12
DE2100884A1 (cs) 1971-08-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee