FR604444A - Telephone receiver - Google Patents

Telephone receiver

Info

Publication number
FR604444A
FR604444A FR604444DA FR604444A FR 604444 A FR604444 A FR 604444A FR 604444D A FR604444D A FR 604444DA FR 604444 A FR604444 A FR 604444A
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
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.)
Brev Kornfeld SA Des
Original Assignee
Brev Kornfeld SA Des
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 Brev Kornfeld SA Des filed Critical Brev Kornfeld SA Des
Application granted granted Critical
Publication of FR604444A publication Critical patent/FR604444A/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
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR604444D 1925-03-23 1925-10-12 Telephone receiver Expired FR604444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH249558X 1925-03-23

Publications (1)

Publication Number Publication Date
FR604444A true FR604444A (en) 1926-05-04

Family

ID=4467616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR604444D Expired FR604444A (en) 1925-03-23 1925-10-12 Telephone receiver

Country Status (3)

Country Link
CH (1) CH113258A (en)
FR (1) FR604444A (en)
GB (1) GB249558A (en)

Also Published As

Publication number Publication date
GB249558A (en) 1927-01-06
CH113258A (en) 1926-04-16

Similar Documents

Publication Publication Date Title
FR571638A (en) Telephone receiver
FR612613A (en) Telephone receiver
FR604444A (en) Telephone receiver
FR620329A (en) Loudspeaker telephone receiver
FR603792A (en) Telephone receiver
FR599981A (en) Telephone receiver
FR599046A (en) Telephone receiver
FR599633A (en) Telephone installations
FR626260A (en) Telephone receiver
FR628753A (en) Telephone receiver
FR595473A (en) Radiotelephone receiver
FR618550A (en) Loudspeaker type telephone receiver
FR604660A (en) Improvements to telephone receivers
FR565366A (en) Telephone receiver
FR579550A (en) Telephone receiver
FR586118A (en) Telephone receiver
FR31078E (en) Receiver reel
FR628841A (en) Loudspeaker telephone receiver
DK44006C (en) Telephone system.
DK42593C (en) Telephone system.
DK43103C (en) Telephone system.
FR623182A (en) Telephone cable
DK37680C (en) Telephone cable.
ES94571A1 (en) Improvements in telephone receivers.
CH113061A (en) Telephone.