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FR4091E - Telephone receiver - Google Patents

Telephone receiver

Info

Publication number
FR4091E
FR4091E FR4091A FR4091DA FR4091E FR 4091 E FR4091 E FR 4091E FR 4091 A FR4091 A FR 4091A FR 4091D A FR4091D A FR 4091DA FR 4091 E FR4091 E FR 4091E
Authority
FR
France
Prior art keywords
telephone receiver
telephone
receiver
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
FR4091A
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.)
IE)
Original Assignee
IE)
Publication date
Application granted granted Critical
Publication of FR4091E publication Critical patent/FR4091E/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR4091A Telephone receiver Expired FR4091E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR4091T

Publications (1)

Publication Number Publication Date
FR4091E true FR4091E (en) 1905-05-22

Family

ID=8594358

Family Applications (2)

Application Number Title Priority Date Filing Date
FR4091A Expired FR4091E (en) Telephone receiver
FR348401A Expired FR348401A (en) 1904-02-08 Telephone receiver

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR348401A Expired FR348401A (en) 1904-02-08 Telephone receiver

Country Status (1)

Country Link
FR (2) FR348401A (en)

Also Published As

Publication number Publication date
FR348401A (en) 1905-04-12

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