FR2083672B1 - - Google Patents

Info

Publication number
FR2083672B1
FR2083672B1 FR7030558A FR7030558A FR2083672B1 FR 2083672 B1 FR2083672 B1 FR 2083672B1 FR 7030558 A FR7030558 A FR 7030558A FR 7030558 A FR7030558 A FR 7030558A FR 2083672 B1 FR2083672 B1 FR 2083672B1
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.)
Expired
Application number
FR7030558A
Other languages
French (fr)
Other versions
FR2083672A1 (
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.)
SENZAKI SEISAKUSHO KK
Original Assignee
SENZAKI SEISAKUSHO KK
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 SENZAKI SEISAKUSHO KK filed Critical SENZAKI SEISAKUSHO KK
Publication of FR2083672A1 publication Critical patent/FR2083672A1/fr
Application granted granted Critical
Publication of FR2083672B1 publication Critical patent/FR2083672B1/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR7030558A 1970-03-31 1970-08-20 Expired FR2083672B1 ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3060270 1970-03-31

Publications (2)

Publication Number Publication Date
FR2083672A1 FR2083672A1 ( ) 1971-12-17
FR2083672B1 true FR2083672B1 ( ) 1973-10-19

Family

ID=12308402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7030558A Expired FR2083672B1 ( ) 1970-03-31 1970-08-20

Country Status (2)

Country Link
FR (1) FR2083672B1 ( )
NL (1) NL7018590A ( )

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL301514A ( ) * 1962-12-13
US3354541A (en) * 1965-06-04 1967-11-28 Gen Motors Corp Loudspeaker magnet structure and method of assembling same
AT289916B (de) * 1969-01-14 1971-05-10 Akg Akustische Kino Geraete Verfahren zur Herstellung eines Magnetsystems für elektrodynamische Schallwandler
NL164451C (nl) * 1969-01-17 1980-12-15 Philips Nv Inrichting voor het omzetten van akoestische in elektrische trillingen en andersom, voorzien van een magneetsysteem en een niet-magnetisch centreerorgaan.

Also Published As

Publication number Publication date
NL7018590A ( ) 1971-10-04
FR2083672A1 ( ) 1971-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse