FR1142072A - Loudspeaker devices enhancements - Google Patents

Loudspeaker devices enhancements

Info

Publication number
FR1142072A
FR1142072A FR1142072DA FR1142072A FR 1142072 A FR1142072 A FR 1142072A FR 1142072D A FR1142072D A FR 1142072DA FR 1142072 A FR1142072 A FR 1142072A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker devices
loudspeaker
devices
devices enhancements
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
Other languages
French (fr)
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.)
TEPPAZ SA
Original Assignee
TEPPAZ SA
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 TEPPAZ SA filed Critical TEPPAZ SA
Application granted granted Critical
Publication of FR1142072A publication Critical patent/FR1142072A/en
Expired 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1142072D 1956-02-01 1956-02-01 Loudspeaker devices enhancements Expired FR1142072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1142072T 1956-02-01

Publications (1)

Publication Number Publication Date
FR1142072A true FR1142072A (en) 1957-09-13

Family

ID=9643045

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1142072D Expired FR1142072A (en) 1956-02-01 1956-02-01 Loudspeaker devices enhancements

Country Status (1)

Country Link
FR (1) FR1142072A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080012A (en) * 1958-09-26 1963-03-05 Columbia Broadcasting Syst Inc Stereophonic loudspeaker arrays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080012A (en) * 1958-09-26 1963-03-05 Columbia Broadcasting Syst Inc Stereophonic loudspeaker arrays

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