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GB932276A - Electro-acoustic transducers - Google Patents

Electro-acoustic transducers

Info

Publication number
GB932276A
GB932276A GB973462A GB973462A GB932276A GB 932276 A GB932276 A GB 932276A GB 973462 A GB973462 A GB 973462A GB 973462 A GB973462 A GB 973462A GB 932276 A GB932276 A GB 932276A
Authority
GB
United Kingdom
Prior art keywords
electro
acoustic transducers
transducers
armature
march
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
GB973462A
Inventor
Frederick Steiner
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.)
Ericsson Telephones Ltd
Original Assignee
Ericsson Telephones Ltd
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
Priority to GB2365355A priority Critical patent/GB779476A/en
Application filed by Ericsson Telephones Ltd filed Critical Ericsson Telephones Ltd
Priority to GB973462A priority patent/GB932276A/en
Publication of GB932276A publication Critical patent/GB932276A/en
Priority to MY6400093A priority patent/MY6400093A/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
    • H04R11/02—Loudspeakers
    • 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
    • H04R11/06—Telephone receivers

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)
  • Headphones And Earphones (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

932,276. Transducers. ERICSSON TELEPHONES Ltd. March 14, 1962, No. 9734/62. Addition to 779,476. Class 40 (4). An acoustic diaphragm 12 is fastened to the armature of the drive unit 14 derived from the transducer described in the parent Specification, electrical terminals 16 are added, and the whole is enclosed in mounting means 15, 18.
GB973462A 1962-03-14 1962-03-14 Electro-acoustic transducers Expired GB932276A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2365355A GB779476A (en) 1962-03-14 1955-08-17 Improvements in or relating to sound reproducing devices and the manufacture thereof
GB973462A GB932276A (en) 1962-03-14 1962-03-14 Electro-acoustic transducers
MY6400093A MY6400093A (en) 1962-03-14 1964-12-31 Electro-acoustic transducers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB973462A GB932276A (en) 1962-03-14 1962-03-14 Electro-acoustic transducers

Publications (1)

Publication Number Publication Date
GB932276A true GB932276A (en) 1963-07-24

Family

ID=9877738

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2365355A Expired GB779476A (en) 1962-03-14 1955-08-17 Improvements in or relating to sound reproducing devices and the manufacture thereof
GB973462A Expired GB932276A (en) 1962-03-14 1962-03-14 Electro-acoustic transducers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2365355A Expired GB779476A (en) 1962-03-14 1955-08-17 Improvements in or relating to sound reproducing devices and the manufacture thereof

Country Status (2)

Country Link
GB (2) GB779476A (en)
MY (1) MY6400093A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137708A1 (en) * 1971-05-12 1972-12-29 Philips Nv

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137708A1 (en) * 1971-05-12 1972-12-29 Philips Nv

Also Published As

Publication number Publication date
MY6400093A (en) 1964-12-31
GB779476A (en) 1957-07-24

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