GB191118355A - Improvements in or relating to Diaphragms and like Sound Receiving and Transmitting Surfaces for Telephones, Gramophones and other Apparatus. - Google Patents

Improvements in or relating to Diaphragms and like Sound Receiving and Transmitting Surfaces for Telephones, Gramophones and other Apparatus.

Info

Publication number
GB191118355A
GB191118355A GB191118355DA GB191118355A GB 191118355 A GB191118355 A GB 191118355A GB 191118355D A GB191118355D A GB 191118355DA GB 191118355 A GB191118355 A GB 191118355A
Authority
GB
United Kingdom
Prior art keywords
telephones
gramophones
diaphragms
relating
diaphragm
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
Inventor
Oswald Reinhardt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191118355A publication Critical patent/GB191118355A/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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

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

Abstract

18,355. Reinhardt, O. March 1, [Convention date]. Speaking-tubes; telephones, mechanical. - Oscillating bodies formed of irregularly bent metal plates bare mounted on the diaphragm a of an electric or mechanical telephone, speaking-tube, phonograph, or the like. The plates may be mounted directly on the diaphragm, as shown, or attached to a stem mounted on the diaphragm by means of a foot, and are inclined at an acute angle with it.
GB191118355D 1911-03-01 1911-08-14 Improvements in or relating to Diaphragms and like Sound Receiving and Transmitting Surfaces for Telephones, Gramophones and other Apparatus. Expired GB191118355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191118355X 1911-03-01

Publications (1)

Publication Number Publication Date
GB191118355A true GB191118355A (en) 1912-02-22

Family

ID=32604176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191118355D Expired GB191118355A (en) 1911-03-01 1911-08-14 Improvements in or relating to Diaphragms and like Sound Receiving and Transmitting Surfaces for Telephones, Gramophones and other Apparatus.

Country Status (1)

Country Link
GB (1) GB191118355A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896022A (en) * 1988-09-20 1990-01-23 Schroeder Alfred A Coffee pot having a temperature regulating base
US5418337A (en) * 1993-05-28 1995-05-23 Bose Corporation Loudspeaker driver surrounding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896022A (en) * 1988-09-20 1990-01-23 Schroeder Alfred A Coffee pot having a temperature regulating base
US5418337A (en) * 1993-05-28 1995-05-23 Bose Corporation Loudspeaker driver surrounding

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