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FR923704A - Improvements at t receiving stations. s. f. and similar devices - Google Patents

Improvements at t receiving stations. s. f. and similar devices

Info

Publication number
FR923704A
FR923704A FR923704DA FR923704A FR 923704 A FR923704 A FR 923704A FR 923704D A FR923704D A FR 923704DA FR 923704 A FR923704 A FR 923704A
Authority
FR
France
Prior art keywords
similar devices
receiving stations
stations
receiving
similar
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.)
Camelin & Fabre Ets
Original Assignee
Camelin & Fabre Ets
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 Camelin & Fabre Ets filed Critical Camelin & Fabre Ets
Application granted granted Critical
Publication of FR923704A publication Critical patent/FR923704A/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)
FR923704D 1946-02-11 1946-02-11 Improvements at t receiving stations. s. f. and similar devices Expired FR923704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR923704T 1946-02-11

Publications (1)

Publication Number Publication Date
FR923704A true FR923704A (en) 1947-07-16

Family

ID=9438917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923704D Expired FR923704A (en) 1946-02-11 1946-02-11 Improvements at t receiving stations. s. f. and similar devices

Country Status (1)

Country Link
FR (1) FR923704A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015645A1 (en) * 1994-11-14 1996-05-23 Albert Baur Loudspeaker-lamp combination

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015645A1 (en) * 1994-11-14 1996-05-23 Albert Baur Loudspeaker-lamp combination

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