FR2370401B3 - - Google Patents

Info

Publication number
FR2370401B3
FR2370401B3 FR7633407A FR7633407A FR2370401B3 FR 2370401 B3 FR2370401 B3 FR 2370401B3 FR 7633407 A FR7633407 A FR 7633407A FR 7633407 A FR7633407 A FR 7633407A FR 2370401 B3 FR2370401 B3 FR 2370401B3
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
FR7633407A
Other languages
French (fr)
Other versions
FR2370401A1 (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.)
PARIS ECOLE NALE SUP ARTS METI
Original Assignee
PARIS ECOLE NALE SUP ARTS METI
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 PARIS ECOLE NALE SUP ARTS METI filed Critical PARIS ECOLE NALE SUP ARTS METI
Priority to FR7633407A priority Critical patent/FR2370401A1/en
Publication of FR2370401A1 publication Critical patent/FR2370401A1/en
Application granted granted Critical
Publication of FR2370401B3 publication Critical patent/FR2370401B3/fr
Granted 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
FR7633407A 1976-11-05 1976-11-05 Low frequency loudspeaker armature - uses ferrite blocks as fixed component defining air gap for moving coil Granted FR2370401A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7633407A FR2370401A1 (en) 1976-11-05 1976-11-05 Low frequency loudspeaker armature - uses ferrite blocks as fixed component defining air gap for moving coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7633407A FR2370401A1 (en) 1976-11-05 1976-11-05 Low frequency loudspeaker armature - uses ferrite blocks as fixed component defining air gap for moving coil

Publications (2)

Publication Number Publication Date
FR2370401A1 FR2370401A1 (en) 1978-06-02
FR2370401B3 true FR2370401B3 (en) 1979-07-20

Family

ID=9179583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633407A Granted FR2370401A1 (en) 1976-11-05 1976-11-05 Low frequency loudspeaker armature - uses ferrite blocks as fixed component defining air gap for moving coil

Country Status (1)

Country Link
FR (1) FR2370401A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474266A1 (en) * 1980-01-18 1981-07-24 Rigondeau Robert Wide bandpass flat diaphragm loudspeaker drive - uses separate transducers distributed around diaphragm circumference and has printed circuit conductors
EP0234076A1 (en) * 1986-02-24 1987-09-02 Erl A. Koenig Electrodynamic loudspeaker

Also Published As

Publication number Publication date
FR2370401A1 (en) 1978-06-02

Similar Documents

Publication Publication Date Title
JPS5751265Y2 (en)
JPS5720304B2 (en)
FR2347362B3 (en)
JPS52123400U (en)
JPS5393596U (en)
JPS5352286U (en)
JPS5526773Y2 (en)
JPS5532610B2 (en)
JPS531531U (en)
JPS52114986U (en)
JPS52114065U (en)
JPS52101640U (en)
JPS5248777U (en)
CH599664A5 (en)
CH602292A5 (en)
DD125448A1 (en)
DD125713A1 (en)
DD125701A1 (en)
BG23126A1 (en)
BG23159A1 (en)
BG23238A1 (en)
BG23252A1 (en)
CH594892A5 (en)
CH598450A5 (en)
DD125435A1 (en)

Legal Events

Date Code Title Description
ST Notification of lapse