FR938402A - Telephone devices - Google Patents

Telephone devices

Info

Publication number
FR938402A
FR938402A FR938402DA FR938402A FR 938402 A FR938402 A FR 938402A FR 938402D A FR938402D A FR 938402DA FR 938402 A FR938402 A FR 938402A
Authority
FR
France
Prior art keywords
telephone devices
telephone
devices
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
Ernest Stewart Mclarn
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR938402A publication Critical patent/FR938402A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • 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
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
FR938402D 1942-12-11 1946-03-29 Telephone devices Expired FR938402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US468605A US2413030A (en) 1942-12-11 1942-12-11 Cord connector for telephone instruments

Publications (1)

Publication Number Publication Date
FR938402A true FR938402A (en) 1948-09-15

Family

ID=23860479

Family Applications (2)

Application Number Title Priority Date Filing Date
FR938402D Expired FR938402A (en) 1942-12-11 1946-03-29 Telephone devices
FR938221D Expired FR938221A (en) 1942-12-11 1946-04-03 Handset telephone device

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR938221D Expired FR938221A (en) 1942-12-11 1946-04-03 Handset telephone device

Country Status (4)

Country Link
US (1) US2413030A (en)
BE (2) BE468417A (en)
FR (2) FR938402A (en)
GB (1) GB564690A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2654834A (en) * 1949-11-01 1953-10-06 Motorola Inc Transmit-receive switch
EP0861012A1 (en) * 1997-02-25 1998-08-26 Koninklijke Philips Electronics N.V. Loudspeaker and telephone apparatus comprising such a loudspeaker

Also Published As

Publication number Publication date
BE468190A (en)
FR938221A (en) 1948-09-08
US2413030A (en) 1946-12-24
BE468417A (en)
GB564690A (en) 1944-10-09

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