CA1024901A - Casque d'ecoute avec commande d'ambiance - Google Patents

Casque d'ecoute avec commande d'ambiance

Info

Publication number
CA1024901A
CA1024901A CA228,259A CA228259A CA1024901A CA 1024901 A CA1024901 A CA 1024901A CA 228259 A CA228259 A CA 228259A CA 1024901 A CA1024901 A CA 1024901A
Authority
CA
Canada
Prior art keywords
headphone
ambience control
ambience
control
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.)
Expired
Application number
CA228,259A
Other languages
English (en)
Other versions
CA228259S (en
Inventor
Jacob C. Turner
Douglas M. Elliott
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.)
Koss Corp
Original Assignee
Koss Corp
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 Koss Corp filed Critical Koss Corp
Application granted granted Critical
Publication of CA1024901A publication Critical patent/CA1024901A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
CA228,259A 1974-07-10 1975-06-02 Casque d'ecoute avec commande d'ambiance Expired CA1024901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US487031A US3924072A (en) 1974-07-10 1974-07-10 Headphone with cross feeding ambience control

Publications (1)

Publication Number Publication Date
CA1024901A true CA1024901A (fr) 1978-01-24

Family

ID=23934128

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228,259A Expired CA1024901A (fr) 1974-07-10 1975-06-02 Casque d'ecoute avec commande d'ambiance

Country Status (2)

Country Link
US (1) US3924072A (fr)
CA (1) CA1024901A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087631A (en) * 1975-07-01 1978-05-02 Matsushita Electric Industrial Co., Ltd. Projected sound localization headphone apparatus
US4097689A (en) * 1975-08-19 1978-06-27 Matsushita Electric Industrial Co., Ltd. Out-of-head localization headphone listening device
US4229619A (en) * 1977-11-01 1980-10-21 Victor Company Of Japan, Limited Method and apparatus for driving a multi way speaker system
US4479235A (en) * 1981-05-08 1984-10-23 Rca Corporation Switching arrangement for a stereophonic sound synthesizer
DE4030977A1 (de) * 1990-02-12 1991-08-14 Georg Diamantidis Schaltungsanordnung zur modifikation der ausgangssignale eines mehrkanaligen elektroakustischen geraets
US5425106A (en) * 1993-06-25 1995-06-13 Hda Entertainment, Inc. Integrated circuit for audio enhancement system
FR2752354B1 (fr) * 1996-08-09 1999-01-29 Laget Jean Marie Procede et appareil de dissymetrie de traitement electrique entre au moins deux canaux pour la reproduction sonore
US20080205666A1 (en) * 2005-03-15 2008-08-28 Koninkljke Philips Electronics, N.V. Device For Processing Audio Data, A Method Of Processing Audio Data, A Program Element And A Computer-Readable Medium
US9794678B2 (en) * 2011-05-13 2017-10-17 Plantronics, Inc. Psycho-acoustic noise suppression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124649A (en) * 1964-03-10 Filter
US3088997A (en) * 1960-12-29 1963-05-07 Columbia Broadcasting Syst Inc Stereophonic to binaural conversion apparatus
US3148287A (en) * 1961-03-09 1964-09-08 Columbia Broadcasting Syst Inc Signal phase sensing and maintaining system
US3329772A (en) * 1963-10-28 1967-07-04 John H Farrell Binaural simulator
US3170991A (en) * 1963-11-27 1965-02-23 Glasgal Ralph System for stereo separation ratio control, elimination of cross-talk and the like

Also Published As

Publication number Publication date
US3924072A (en) 1975-12-02

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