CA1067201A - Low frequency electro-acoustic transducer - Google Patents

Low frequency electro-acoustic transducer

Info

Publication number
CA1067201A
CA1067201A CA240,018A CA240018A CA1067201A CA 1067201 A CA1067201 A CA 1067201A CA 240018 A CA240018 A CA 240018A CA 1067201 A CA1067201 A CA 1067201A
Authority
CA
Canada
Prior art keywords
diaphragm
movable
diaphragms
fixed
acoustic
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
CA240,018A
Other languages
English (en)
French (fr)
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 CA1067201A publication Critical patent/CA1067201A/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
    • 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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CA240,018A 1974-11-25 1975-11-19 Low frequency electro-acoustic transducer Expired CA1067201A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52666774A 1974-11-25 1974-11-25

Publications (1)

Publication Number Publication Date
CA1067201A true CA1067201A (en) 1979-11-27

Family

ID=24098275

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240,018A Expired CA1067201A (en) 1974-11-25 1975-11-19 Low frequency electro-acoustic transducer

Country Status (10)

Country Link
JP (1) JPS5175430A (sv)
AU (1) AU499523B2 (sv)
CA (1) CA1067201A (sv)
CH (1) CH607524A5 (sv)
DE (1) DE2553070A1 (sv)
DK (1) DK529475A (sv)
FR (1) FR2292393A1 (sv)
GB (1) GB1522710A (sv)
IT (1) IT1052385B (sv)
SE (1) SE406409B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929266C1 (sv) * 1989-09-02 1991-01-03 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
SE503180C2 (sv) * 1994-08-29 1996-04-15 Centara Patent Ab Elektroakustisk omvandlare
DE19605130A1 (de) * 1996-02-13 1997-08-14 Kurt Schubert Elektroakustische Rundstrahleinrichtung
CN101385389A (zh) * 2005-12-21 2009-03-11 迪芬尼公司 线阵换能器和制造方法
JP2008042615A (ja) * 2006-08-08 2008-02-21 Sharp Corp スピーカー装置
JP2008042614A (ja) * 2006-08-08 2008-02-21 Sharp Corp スピーカー装置
JP2008042618A (ja) * 2006-08-08 2008-02-21 Sharp Corp スピーカー装置
DE102007040062A1 (de) * 2007-08-24 2009-02-26 Heinen, Annegret Breitband-Exciter
DE102014218427B4 (de) * 2014-09-15 2016-06-02 Kendrion Kuhnke Automotive GmbH Lautsprecher, insbesondere elektrodynamischer Lautsprecher

Also Published As

Publication number Publication date
IT1052385B (it) 1981-06-20
FR2292393A1 (fr) 1976-06-18
DK529475A (da) 1976-05-26
GB1522710A (en) 1978-08-23
AU8683475A (en) 1977-05-26
SE7513196L (sv) 1976-05-26
CH607524A5 (sv) 1978-12-29
AU499523B2 (en) 1979-04-26
DE2553070A1 (de) 1976-05-26
SE406409B (sv) 1979-02-05
JPS5175430A (en) 1976-06-30

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