GB200504A - An improved telephone receiver - Google Patents

An improved telephone receiver

Info

Publication number
GB200504A
GB200504A GB16932/23A GB1693223A GB200504A GB 200504 A GB200504 A GB 200504A GB 16932/23 A GB16932/23 A GB 16932/23A GB 1693223 A GB1693223 A GB 1693223A GB 200504 A GB200504 A GB 200504A
Authority
GB
United Kingdom
Prior art keywords
telephone receiver
screw
improved telephone
outer screw
magnetic
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
GB16932/23A
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.)
ANCIENS ETS EDMOND PICARD
Original Assignee
ANCIENS ETS EDMOND PICARD
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 ANCIENS ETS EDMOND PICARD filed Critical ANCIENS ETS EDMOND PICARD
Publication of GB200504A publication Critical patent/GB200504A/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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • H04R13/02—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

200,504. Anciens Etablissements E. Picard Soc. Anon. July 6, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Magnetic instruments.-In telephone receiver the coils are adjusted with respect to the diaphragm by means of a differential screw, the inner screw being integral with the magnetic system and the outer screw passing through a boss on the casing. The outer screw is formed with a milled head.
GB16932/23A 1922-07-06 1923-06-29 An improved telephone receiver Expired GB200504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR200504X 1922-07-06

Publications (1)

Publication Number Publication Date
GB200504A true GB200504A (en) 1924-04-10

Family

ID=8879949

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16932/23A Expired GB200504A (en) 1922-07-06 1923-06-29 An improved telephone receiver

Country Status (1)

Country Link
GB (1) GB200504A (en)

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