CA979113A - Electro-acoustic transducer - Google Patents

Electro-acoustic transducer

Info

Publication number
CA979113A
CA979113A CA189,436A CA189436A CA979113A CA 979113 A CA979113 A CA 979113A CA 189436 A CA189436 A CA 189436A CA 979113 A CA979113 A CA 979113A
Authority
CA
Canada
Prior art keywords
electro
acoustic transducer
acoustic
transducer
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
CA189,436A
Other versions
CA189436S (en
Inventor
Oskar Heil
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
Application granted granted Critical
Publication of CA979113A publication Critical patent/CA979113A/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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • 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
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA189,436A 1973-01-08 1974-01-04 Electro-acoustic transducer Expired CA979113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00321826A US3832499A (en) 1973-01-08 1973-01-08 Electro-acoustic transducer

Publications (1)

Publication Number Publication Date
CA979113A true CA979113A (en) 1975-12-02

Family

ID=23252194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,436A Expired CA979113A (en) 1973-01-08 1974-01-04 Electro-acoustic transducer

Country Status (10)

Country Link
US (1) US3832499A (en)
JP (1) JPS5542555B2 (en)
AU (1) AU6429474A (en)
CA (1) CA979113A (en)
CH (1) CH567855A5 (en)
DE (1) DE2400625A1 (en)
FR (1) FR2213631B1 (en)
GB (1) GB1432721A (en)
IT (1) IT1008673B (en)
SE (1) SE391101B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA964760A (en) * 1973-03-13 1975-03-18 Atkins, Lucien W. Electro acoustic transducers
JPS5440015Y2 (en) * 1975-04-16 1979-11-27
JPS5619513Y2 (en) * 1975-09-11 1981-05-08
US4056697A (en) * 1976-09-03 1977-11-01 Oskar Heil Movable diaphragm connector method flexible hinge diaphragm surround and electro-acoustic transducer with folded diaphragm with intermediate flexible portions
JPS5481736U (en) * 1977-11-17 1979-06-09
JPS5485856A (en) * 1977-12-20 1979-07-07 Jihado Arudein Imado Umbrella
US4354066A (en) * 1980-09-15 1982-10-12 Necoechea Robert W Rigid-diaphragm transducer with plural coils
NL8102572A (en) * 1981-05-26 1982-12-16 Philips Nv BAND TYPE ELECTROACOUSTIC CONVERTER WITH LOW DISTORTION AND IMPROVED SENSITIVITY.
US5195143A (en) * 1991-05-31 1993-03-16 Apogee Acoustics, Inc. Acoustical ribbon transducer loudspeaker system
US5325439A (en) * 1993-10-13 1994-06-28 Smiley Jack R Loudspeaker apparatus
WO1998020703A1 (en) * 1996-11-07 1998-05-14 Cerwin Vega, Inc. Improved horn loaded pleated ribbon high frequency acoustic transducer with substantially uniform coupling
AU5252898A (en) * 1996-11-08 1998-05-29 Cerwin-Vega Inc. Improved suspension for high power pleated ribbon transducer
US6513624B2 (en) 2000-02-03 2003-02-04 C. Ronald Coffin Loudspeaker enclosure
US20030183888A1 (en) * 2002-03-28 2003-10-02 Eyal Bar-Sadeh Corrugated diaphragm
US20040213431A1 (en) * 2003-04-25 2004-10-28 Mello William Bernard Electromagnetic audio transducer and or audio speaker
US20060078135A1 (en) * 2004-10-08 2006-04-13 Royer David E Ribbon-microphone transducer
US7900337B2 (en) * 2004-10-21 2011-03-08 Shure Incorporated Method of making composite acoustic transducers
DE602005005936T2 (en) * 2005-01-26 2009-06-04 Harman Becker Automotive Systems Gmbh Electro-acoustic converter
EP1881732A1 (en) * 2006-06-21 2008-01-23 Harman/Becker Automotive Systems GmbH Magnetic membrane suspension
DE102007029560B4 (en) * 2007-06-26 2010-02-18 Mundorf Eb Gmbh Membrane arrangement for an air-motion transformer (AMT) and sound transducer with such a membrane arrangement
DE102007062424B4 (en) * 2007-12-20 2010-02-04 Mundorf Eb Gmbh Magnetic drive device for a sound transducer or loudspeaker arrangement with at least one AMT loudspeaker unit
ES2376731B1 (en) * 2010-06-07 2013-02-01 Acústica Beyma, S.L. FOLDED DIAPHRAGM SPEAKER.
WO2013169745A1 (en) 2012-05-09 2013-11-14 Christensen Eugene J Wide-range, wide-angle loudspeaker driver
ITRM20120603A1 (en) * 2012-11-29 2014-05-30 Acustica Beyma S L SPEAKER WITH BENDED DIAPHRAGM
US11166105B2 (en) 2020-04-02 2021-11-02 Rex PRICE Movable diaphragms

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497642A (en) * 1966-02-28 1970-02-24 Intron Int Inc Transducer diaphragm imbedded with conductively-coated ferromagnetic particles

Also Published As

Publication number Publication date
FR2213631A1 (en) 1974-08-02
FR2213631B1 (en) 1981-02-27
SE391101B (en) 1977-01-31
US3832499A (en) 1974-08-27
CH567855A5 (en) 1975-10-15
JPS5542555B2 (en) 1980-10-31
AU6429474A (en) 1975-07-10
IT1008673B (en) 1976-11-30
GB1432721A (en) 1976-04-22
DE2400625A1 (en) 1974-07-11
JPS49110332A (en) 1974-10-21

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