GB1376832A - Electro-acoustic transducers - Google Patents

Electro-acoustic transducers

Info

Publication number
GB1376832A
GB1376832A GB2153372A GB2153372A GB1376832A GB 1376832 A GB1376832 A GB 1376832A GB 2153372 A GB2153372 A GB 2153372A GB 2153372 A GB2153372 A GB 2153372A GB 1376832 A GB1376832 A GB 1376832A
Authority
GB
United Kingdom
Prior art keywords
magnetic diaphragm
rim
glued
support
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
GB2153372A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1376832A publication Critical patent/GB1376832A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • 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
    • H04R11/04—Microphones
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB2153372A 1971-05-12 1972-05-09 Electro-acoustic transducers Expired GB1376832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106490A NL7106490A (enExample) 1971-05-12 1971-05-12

Publications (1)

Publication Number Publication Date
GB1376832A true GB1376832A (en) 1974-12-11

Family

ID=19813136

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2153372A Expired GB1376832A (en) 1971-05-12 1972-05-09 Electro-acoustic transducers

Country Status (7)

Country Link
US (1) US3858305A (enExample)
AT (1) AT316667B (enExample)
DE (1) DE2222823A1 (enExample)
FR (1) FR2137708B1 (enExample)
GB (1) GB1376832A (enExample)
IT (1) IT955343B (enExample)
NL (1) NL7106490A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205585A (en) * 1977-03-28 1980-06-03 Hornick Robert A Audio/visual conversion system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1815194A (en) * 1928-02-27 1931-07-21 Archibald A Duncan Telephone receiver
US2552800A (en) * 1947-12-27 1951-05-15 E A Myers & Sons Magnetic microphone
US2820107A (en) * 1954-12-22 1958-01-14 Sonotonc Corp Electro-mechanical signal transducers
GB779476A (en) * 1962-03-14 1957-07-24 Ericsson Telephones Ltd Improvements in or relating to sound reproducing devices and the manufacture thereof
US3491436A (en) * 1964-08-20 1970-01-27 Industrial Research Prod Inc Method of connecting drive pin to an armature of an electroacoustic transducer

Also Published As

Publication number Publication date
US3858305A (en) 1975-01-07
FR2137708B1 (enExample) 1978-12-08
NL7106490A (enExample) 1972-11-14
IT955343B (it) 1973-09-29
DE2222823A1 (de) 1972-11-23
FR2137708A1 (enExample) 1972-12-29
AT316667B (de) 1974-07-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee