FR696936A - Phonograph diffuser - Google Patents

Phonograph diffuser

Info

Publication number
FR696936A
FR696936A FR696936DA FR696936A FR 696936 A FR696936 A FR 696936A FR 696936D A FR696936D A FR 696936DA FR 696936 A FR696936 A FR 696936A
Authority
FR
France
Prior art keywords
phonograph
diffuser
phonograph diffuser
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
Charles-Benjamin Le Diberder
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 FR696936A publication Critical patent/FR696936A/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
    • H04R1/38—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 in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR696936D 1930-05-02 1930-05-02 Phonograph diffuser Expired FR696936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR696936T 1930-05-02

Publications (1)

Publication Number Publication Date
FR696936A true FR696936A (en) 1931-01-09

Family

ID=9046897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696936D Expired FR696936A (en) 1930-05-02 1930-05-02 Phonograph diffuser

Country Status (1)

Country Link
FR (1) FR696936A (en)

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