IT968621B - Altoparlante a bobina mobile con materiale vulcanizzato nell intra ferro - Google Patents

Altoparlante a bobina mobile con materiale vulcanizzato nell intra ferro

Info

Publication number
IT968621B
IT968621B IT3008972A IT3008972A IT968621B IT 968621 B IT968621 B IT 968621B IT 3008972 A IT3008972 A IT 3008972A IT 3008972 A IT3008972 A IT 3008972A IT 968621 B IT968621 B IT 968621B
Authority
IT
Italy
Prior art keywords
vulcanized material
iron inside
mobile speaker
speaker
mobile
Prior art date
Application number
IT3008972A
Other languages
English (en)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT968621B publication Critical patent/IT968621B/it

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
    • H04R9/027—Air gaps using a magnetic fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
IT3008972A 1971-10-08 1972-10-05 Altoparlante a bobina mobile con materiale vulcanizzato nell intra ferro IT968621B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712150358 DE2150358A1 (de) 1971-10-08 1971-10-08 Lautsprecher mit im luftspalt einvulkanisierter schwingspule

Publications (1)

Publication Number Publication Date
IT968621B true IT968621B (it) 1974-03-20

Family

ID=5821881

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3008972A IT968621B (it) 1971-10-08 1972-10-05 Altoparlante a bobina mobile con materiale vulcanizzato nell intra ferro

Country Status (3)

Country Link
DE (1) DE2150358A1 (it)
FR (1) FR2156117A1 (it)
IT (1) IT968621B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2062408B (en) * 1979-10-02 1984-02-22 Victor Company Of Japan Speaker
US4547632A (en) * 1984-04-04 1985-10-15 Electro-Voice, Incorporated Dynamic loudspeaker

Also Published As

Publication number Publication date
FR2156117A1 (it) 1973-05-25
DE2150358A1 (de) 1973-04-12

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