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FR596817A - Improvements to telephone receivers for loudspeakers - Google Patents

Improvements to telephone receivers for loudspeakers

Info

Publication number
FR596817A
FR596817A FR596817DA FR596817A FR 596817 A FR596817 A FR 596817A FR 596817D A FR596817D A FR 596817DA FR 596817 A FR596817 A FR 596817A
Authority
FR
France
Prior art keywords
loudspeakers
telephone receivers
receivers
telephone
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.)
DUBILIER CONDENSER CO Ltd
Original Assignee
DUBILIER CONDENSER 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 DUBILIER CONDENSER CO Ltd filed Critical DUBILIER CONDENSER CO Ltd
Application granted granted Critical
Publication of FR596817A publication Critical patent/FR596817A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR596817D 1924-10-27 1925-04-15 Improvements to telephone receivers for loudspeakers Expired FR596817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB596817X 1924-10-27

Publications (1)

Publication Number Publication Date
FR596817A true FR596817A (en) 1925-11-02

Family

ID=10484208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR596817D Expired FR596817A (en) 1924-10-27 1925-04-15 Improvements to telephone receivers for loudspeakers

Country Status (1)

Country Link
FR (1) FR596817A (en)

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