FR2664782B1 - OMNIDIRECTIONAL ACOUSTIC SPEAKER. - Google Patents

OMNIDIRECTIONAL ACOUSTIC SPEAKER.

Info

Publication number
FR2664782B1
FR2664782B1 FR9008847A FR9008847A FR2664782B1 FR 2664782 B1 FR2664782 B1 FR 2664782B1 FR 9008847 A FR9008847 A FR 9008847A FR 9008847 A FR9008847 A FR 9008847A FR 2664782 B1 FR2664782 B1 FR 2664782B1
Authority
FR
France
Prior art keywords
acoustic speaker
omnidirectional acoustic
omnidirectional
speaker
acoustic
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
FR9008847A
Other languages
French (fr)
Other versions
FR2664782A1 (en
Inventor
Legouic Gilles
Beaupere Michel
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 FR9008847A priority Critical patent/FR2664782B1/en
Publication of FR2664782A1 publication Critical patent/FR2664782A1/en
Application granted granted Critical
Publication of FR2664782B1 publication Critical patent/FR2664782B1/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
    • H04R1/34—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
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

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)
FR9008847A 1990-07-11 1990-07-11 OMNIDIRECTIONAL ACOUSTIC SPEAKER. Expired - Fee Related FR2664782B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9008847A FR2664782B1 (en) 1990-07-11 1990-07-11 OMNIDIRECTIONAL ACOUSTIC SPEAKER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008847A FR2664782B1 (en) 1990-07-11 1990-07-11 OMNIDIRECTIONAL ACOUSTIC SPEAKER.

Publications (2)

Publication Number Publication Date
FR2664782A1 FR2664782A1 (en) 1992-01-17
FR2664782B1 true FR2664782B1 (en) 1995-11-10

Family

ID=9398613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9008847A Expired - Fee Related FR2664782B1 (en) 1990-07-11 1990-07-11 OMNIDIRECTIONAL ACOUSTIC SPEAKER.

Country Status (1)

Country Link
FR (1) FR2664782B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824990B1 (en) * 2001-05-15 2003-09-26 Jean Pierre Morkerken SOUND TRANSMITTER AND SPEAKER
TW201134233A (en) * 2010-03-25 2011-10-01 Zhao-Lang Wang Audio radiation type reflective sound box structure
EP3152920B1 (en) 2014-06-03 2018-11-28 Dolby Laboratories Licensing Corporation Audio speakers having upward firing drivers for reflected sound rendering

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179840A (en) * 1938-05-03 1939-11-14 Frida Bucky Loudspeaker arrangement
FR2032240A5 (en) * 1969-02-24 1970-11-20 Dereux Jean
US3529691A (en) * 1969-05-27 1970-09-22 Fred A Wesemann Twin equilateral sound speaker enclosure
NL6910765A (en) * 1969-07-11 1971-01-13
FR2088078B1 (en) * 1970-05-14 1974-06-14 Int Multi Sons
FR2245143A1 (en) * 1973-09-21 1975-04-18 Batlouni Emile Vented tubular loudspeaker enclosure - has low fundamental resonant frequency and omnidirectional output

Also Published As

Publication number Publication date
FR2664782A1 (en) 1992-01-17

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse