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FR2627341B1 - IMPROVEMENTS ON SOUND LOUDSPEAKERS - Google Patents

IMPROVEMENTS ON SOUND LOUDSPEAKERS

Info

Publication number
FR2627341B1
FR2627341B1 FR8801691A FR8801691A FR2627341B1 FR 2627341 B1 FR2627341 B1 FR 2627341B1 FR 8801691 A FR8801691 A FR 8801691A FR 8801691 A FR8801691 A FR 8801691A FR 2627341 B1 FR2627341 B1 FR 2627341B1
Authority
FR
France
Prior art keywords
sound loudspeakers
loudspeakers
sound
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 - Fee Related
Application number
FR8801691A
Other languages
French (fr)
Other versions
FR2627341A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8801691A priority Critical patent/FR2627341B1/en
Publication of FR2627341A1 publication Critical patent/FR2627341A1/en
Application granted granted Critical
Publication of FR2627341B1 publication Critical patent/FR2627341B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04R1/40—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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR8801691A 1988-02-12 1988-02-12 IMPROVEMENTS ON SOUND LOUDSPEAKERS Expired - Fee Related FR2627341B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8801691A FR2627341B1 (en) 1988-02-12 1988-02-12 IMPROVEMENTS ON SOUND LOUDSPEAKERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8801691A FR2627341B1 (en) 1988-02-12 1988-02-12 IMPROVEMENTS ON SOUND LOUDSPEAKERS

Publications (2)

Publication Number Publication Date
FR2627341A1 FR2627341A1 (en) 1989-08-18
FR2627341B1 true FR2627341B1 (en) 1994-07-01

Family

ID=9363224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8801691A Expired - Fee Related FR2627341B1 (en) 1988-02-12 1988-02-12 IMPROVEMENTS ON SOUND LOUDSPEAKERS

Country Status (1)

Country Link
FR (1) FR2627341B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673501B1 (en) * 1991-03-01 1993-06-18 Piccaluga Pierre DEVICE FOR DECREASING THE DIRECTIVITIES OF THE SPEAKERS OF THE SAME SOUND ENCLOSURE.
FR2715791B1 (en) * 1994-01-28 1996-04-12 Marc Albert Giusto Improvement to sound reproduction devices and omnidirectional acoustic speakers.
ITMI20041972A1 (en) * 2004-10-18 2005-01-18 Daniele Ramenzoni ELECTRO-ACOUSTIC DEVICE, WITH CAVITY RESONATOR, THAT PROVIDES EXTREME THREE-DIMENSIONAL CHARACTERISTICS TO CONTROL, CONCENTRATE AND SPREAD INFRASOUNDS, SOUNDS AND ULTRASOUNDS.
USRE49437E1 (en) 2014-09-30 2023-02-28 Apple Inc. Audio driver and power supply unit architecture
CN108810732B (en) 2014-09-30 2020-03-24 苹果公司 Loudspeaker
US10524044B2 (en) 2014-09-30 2019-12-31 Apple Inc. Airflow exit geometry
US10631071B2 (en) 2016-09-23 2020-04-21 Apple Inc. Cantilevered foot for electronic device
CN110719549A (en) * 2019-10-15 2020-01-21 李世煌 A stereo speaker and stereo system
CN112822613B (en) * 2021-02-05 2025-10-28 东莞市瑞勤电子有限公司 A micro audio system
FR3119960B1 (en) 2021-02-18 2024-01-05 Moca Audio Vehicle comprising a sound reproduction device placed in a front median space of the passenger compartment, adapted device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054856A (en) * 1959-02-24 1962-09-18 Arany Donald Sound reproducing system
FR2373936A1 (en) * 1976-12-13 1978-07-07 Debergh Jean Loudspeaker cabinet constructional system - includes two opposed woofers with sealed cubic air space between them of min. possible volume
DE2725346C3 (en) * 1977-06-04 1981-05-14 Josef Wilhelm 8725 Arnstein Manger speaker
US4182931A (en) * 1978-04-25 1980-01-08 Kenner Samuel K 360 Degree speakers

Also Published As

Publication number Publication date
FR2627341A1 (en) 1989-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse