FR2201603A1 - - Google Patents

Info

Publication number
FR2201603A1
FR2201603A1 FR7334936A FR7334936A FR2201603A1 FR 2201603 A1 FR2201603 A1 FR 2201603A1 FR 7334936 A FR7334936 A FR 7334936A FR 7334936 A FR7334936 A FR 7334936A FR 2201603 A1 FR2201603 A1 FR 2201603A1
Authority
FR
France
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.)
Granted
Application number
FR7334936A
Other languages
French (fr)
Other versions
FR2201603B1 (show.php
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of FR2201603A1 publication Critical patent/FR2201603A1/fr
Application granted granted Critical
Publication of FR2201603B1 publication Critical patent/FR2201603B1/fr
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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR7334936A 1972-09-29 1973-09-28 Expired FR2201603B1 (show.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1257572A SE363716B (show.php) 1972-09-29 1972-09-29

Publications (2)

Publication Number Publication Date
FR2201603A1 true FR2201603A1 (show.php) 1974-04-26
FR2201603B1 FR2201603B1 (show.php) 1978-02-10

Family

ID=20295976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7334936A Expired FR2201603B1 (show.php) 1972-09-29 1973-09-28

Country Status (5)

Country Link
BR (1) BR7307574D0 (show.php)
FR (1) FR2201603B1 (show.php)
IT (1) IT993489B (show.php)
NL (1) NL7313399A (show.php)
SE (1) SE363716B (show.php)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147373A1 (en) * 1983-12-22 1985-07-03 Telefonaktiebolaget L M Ericsson Method of producing electroacoustic converters, preferably microphones, and converters produced according to the method
EP0127247A3 (en) * 1983-05-23 1986-02-05 Harman International Industries, Incorporated Tunable response transducer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE521989C (de) * 1929-04-25 1931-03-28 Rudolf Goldschmidt Dr Ing Verfahren zum Einregulieren von Telephonmembranen nach dem Zusammenbau mit dem Magneten
US3412219A (en) * 1965-12-28 1968-11-19 Western Electric Co Method of adjusting air gap in central armature receivers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE521989C (de) * 1929-04-25 1931-03-28 Rudolf Goldschmidt Dr Ing Verfahren zum Einregulieren von Telephonmembranen nach dem Zusammenbau mit dem Magneten
US3412219A (en) * 1965-12-28 1968-11-19 Western Electric Co Method of adjusting air gap in central armature receivers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0127247A3 (en) * 1983-05-23 1986-02-05 Harman International Industries, Incorporated Tunable response transducer
EP0147373A1 (en) * 1983-12-22 1985-07-03 Telefonaktiebolaget L M Ericsson Method of producing electroacoustic converters, preferably microphones, and converters produced according to the method

Also Published As

Publication number Publication date
IT993489B (it) 1975-09-30
BR7307574D0 (pt) 1974-08-29
SE363716B (show.php) 1974-01-28
NL7313399A (show.php) 1974-04-02
FR2201603B1 (show.php) 1978-02-10

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Legal Events

Date Code Title Description
ST Notification of lapse