AU3301289A - Electromagnetic transducer - Google Patents

Electromagnetic transducer

Info

Publication number
AU3301289A
AU3301289A AU33012/89A AU3301289A AU3301289A AU 3301289 A AU3301289 A AU 3301289A AU 33012/89 A AU33012/89 A AU 33012/89A AU 3301289 A AU3301289 A AU 3301289A AU 3301289 A AU3301289 A AU 3301289A
Authority
AU
Australia
Prior art keywords
electromagnetic transducer
transducer
electromagnetic
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.)
Abandoned
Application number
AU33012/89A
Inventor
Saad Gabr
Yasser Gabr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU3301289A publication Critical patent/AU3301289A/en
Abandoned 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
    • H04R2209/043—Short circuited voice coils driven by induction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
AU33012/89A 1988-04-26 1989-04-13 Electromagnetic transducer Abandoned AU3301289A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888809805A GB8809805D0 (en) 1988-04-26 1988-04-26 Electromagnetic transducer
GB8809805 1988-04-26

Publications (1)

Publication Number Publication Date
AU3301289A true AU3301289A (en) 1989-11-02

Family

ID=10635840

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33012/89A Abandoned AU3301289A (en) 1988-04-26 1989-04-13 Electromagnetic transducer

Country Status (4)

Country Link
EP (1) EP0339820A3 (en)
JP (1) JPH01318399A (en)
AU (1) AU3301289A (en)
GB (1) GB8809805D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103796U (en) * 1991-01-24 1992-09-07 株式会社ケンウツド Magnetic circuit for speakers and voice coil used therein
JPH0761200B2 (en) * 1991-10-16 1995-06-28 ラックス株式会社 Speaker
JP4630319B2 (en) * 2007-09-10 2011-02-09 宏一 平岡 Horn speaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL61472C (en) * 1938-05-04
DE2131035A1 (en) * 1971-06-23 1973-01-11 Magnetfab Bonn Gmbh Annular loudspeaker magnet - with iron-epoxy resin powder poles of reduced electric conductivity
US4293741A (en) * 1979-06-21 1981-10-06 Digre Clifford B Magnet assembly
JPS5627600A (en) * 1979-08-10 1981-03-17 Kanenori Kishi Magnetic circuit of moving coil type transducer
US4295011A (en) * 1979-09-11 1981-10-13 Epicure Products Inc. Linear excursion-constant inductance loudspeaker
US5062140A (en) * 1988-04-27 1991-10-29 Sony Corporation Induction speaker

Also Published As

Publication number Publication date
GB8809805D0 (en) 1988-06-02
EP0339820A2 (en) 1989-11-02
EP0339820A3 (en) 1991-03-20
JPH01318399A (en) 1989-12-22

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