FR594668A - Improvements to telephone receivers - Google Patents

Improvements to telephone receivers

Info

Publication number
FR594668A
FR594668A FR594668DA FR594668A FR 594668 A FR594668 A FR 594668A FR 594668D A FR594668D A FR 594668DA FR 594668 A FR594668 A FR 594668A
Authority
FR
France
Prior art keywords
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 FR594668A publication Critical patent/FR594668A/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
    • H04R9/06—Loudspeakers
FR594668D 1924-10-27 1925-03-06 Improvements to telephone receivers Expired FR594668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB594668X 1924-10-27

Publications (1)

Publication Number Publication Date
FR594668A true FR594668A (en) 1925-09-17

Family

ID=10483819

Family Applications (1)

Application Number Title Priority Date Filing Date
FR594668D Expired FR594668A (en) 1924-10-27 1925-03-06 Improvements to telephone receivers

Country Status (1)

Country Link
FR (1) FR594668A (en)

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