FR565259A - Porte-diaphragme pour machine parlante - Google Patents

Porte-diaphragme pour machine parlante

Info

Publication number
FR565259A
FR565259A FR565259DA FR565259A FR 565259 A FR565259 A FR 565259A FR 565259D A FR565259D A FR 565259DA FR 565259 A FR565259 A FR 565259A
Authority
FR
France
Prior art keywords
diaphragm holder
machine diaphragm
speaking machine
speaking
holder
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)
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR565259A publication Critical patent/FR565259A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR565259D 1922-11-15 1923-04-19 Porte-diaphragme pour machine parlante Expired FR565259A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB565259X 1922-11-15

Publications (1)

Publication Number Publication Date
FR565259A true FR565259A (fr) 1924-01-23

Family

ID=10476844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR565259D Expired FR565259A (fr) 1922-11-15 1923-04-19 Porte-diaphragme pour machine parlante

Country Status (1)

Country Link
FR (1) FR565259A (fr)

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