FR928036A - Perfectionnements aux radio-récepteurs, phonographes et appareils analogues - Google Patents

Perfectionnements aux radio-récepteurs, phonographes et appareils analogues

Info

Publication number
FR928036A
FR928036A FR928036DA FR928036A FR 928036 A FR928036 A FR 928036A FR 928036D A FR928036D A FR 928036DA FR 928036 A FR928036 A FR 928036A
Authority
FR
France
Prior art keywords
phonographs
radio receivers
receivers
radio
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
English (en)
Inventor
Jean-Adolphe Dereux
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 FR928036A publication Critical patent/FR928036A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • A47B81/06—Furniture aspects of radio, television, gramophone, or record cabinets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR928036D 1946-05-02 1946-05-02 Perfectionnements aux radio-récepteurs, phonographes et appareils analogues Expired FR928036A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR928036T 1946-05-02

Publications (1)

Publication Number Publication Date
FR928036A true FR928036A (fr) 1947-11-17

Family

ID=9441436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928036D Expired FR928036A (fr) 1946-05-02 1946-05-02 Perfectionnements aux radio-récepteurs, phonographes et appareils analogues

Country Status (1)

Country Link
FR (1) FR928036A (fr)

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