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FR724692A - Improvements to wireless telephony broadcasters - Google Patents

Improvements to wireless telephony broadcasters

Info

Publication number
FR724692A
FR724692A FR724692DA FR724692A FR 724692 A FR724692 A FR 724692A FR 724692D A FR724692D A FR 724692DA FR 724692 A FR724692 A FR 724692A
Authority
FR
France
Prior art keywords
broadcasters
wireless telephony
telephony
wireless
telephony broadcasters
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)
Inventor
Ernest Stols
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 filed Critical
Application granted granted Critical
Publication of FR724692A publication Critical patent/FR724692A/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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2892—Mountings or supports for transducers
    • H04R1/2896—Mountings or supports for transducers for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR724692D 1931-09-15 1931-09-15 Improvements to wireless telephony broadcasters Expired FR724692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR724692T 1931-09-15

Publications (1)

Publication Number Publication Date
FR724692A true FR724692A (en) 1932-04-30

Family

ID=9109522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724692D Expired FR724692A (en) 1931-09-15 1931-09-15 Improvements to wireless telephony broadcasters

Country Status (1)

Country Link
FR (1) FR724692A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625639A1 (en) * 1987-12-30 1989-07-07 Kobus Stanislas Fixing device for electrodynamic loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625639A1 (en) * 1987-12-30 1989-07-07 Kobus Stanislas Fixing device for electrodynamic loudspeaker

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