DE3264559D1 - Speaker system - Google Patents

Speaker system

Info

Publication number
DE3264559D1
DE3264559D1 DE8282107390T DE3264559T DE3264559D1 DE 3264559 D1 DE3264559 D1 DE 3264559D1 DE 8282107390 T DE8282107390 T DE 8282107390T DE 3264559 T DE3264559 T DE 3264559T DE 3264559 D1 DE3264559 D1 DE 3264559D1
Authority
DE
Germany
Prior art keywords
speaker system
speaker
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.)
Expired
Application number
DE8282107390T
Other languages
German (de)
Inventor
Shinichiro Kawamura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3264559D1 publication Critical patent/DE3264559D1/en
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
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE8282107390T 1981-08-28 1982-08-13 Speaker system Expired DE3264559D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13409681A JPS5838097A (en) 1981-08-28 1981-08-28 Loudspeaker system

Publications (1)

Publication Number Publication Date
DE3264559D1 true DE3264559D1 (en) 1985-08-08

Family

ID=15120337

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282107390T Expired DE3264559D1 (en) 1981-08-28 1982-08-13 Speaker system

Country Status (3)

Country Link
EP (1) EP0072991B1 (en)
JP (1) JPS5838097A (en)
DE (1) DE3264559D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8726489D0 (en) * 1987-11-12 1987-12-16 Grunberg R M Electro-acoustic transducers
IT1296539B1 (en) * 1997-11-06 1999-07-09 Macklaine Di Francesco Di Summ SPEAKER WITH MOBILE COIL.
DE102005023759B3 (en) * 2005-05-19 2006-09-14 Florat Seta Acoustic transducer with full cone membrane for loud speaker cabinet

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR673659A (en) * 1928-08-13 1930-01-17 Sound reproducer
US2303989A (en) * 1941-03-01 1942-12-01 Rca Corp Signal translating apparatus
US2549091A (en) * 1946-10-25 1951-04-17 Bell Telephone Labor Inc Diaphragm for electroacoustic transducers
DE899048C (en) * 1950-05-04 1953-12-07 Adelbert Stephan Loudspeaker with tilt-free multi-cone membrane
US3746125A (en) * 1971-09-10 1973-07-17 Lowell Mfg Co Protective speaker back-can
US3940576A (en) * 1974-03-19 1976-02-24 Schultz Herbert J Loudspeaker having sound funnelling element
JPS5251929A (en) * 1975-10-23 1977-04-26 Pioneer Electronic Corp Diaphragm for speakers
JPS5393816A (en) * 1977-01-28 1978-08-17 Hitachi Ltd Diaphragm of speaker

Also Published As

Publication number Publication date
JPS5838097A (en) 1983-03-05
EP0072991A2 (en) 1983-03-02
EP0072991B1 (en) 1985-07-03
EP0072991A3 (en) 1983-04-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee