BE400733A - - Google Patents

Info

Publication number
BE400733A
BE400733A BE400733DA BE400733A BE 400733 A BE400733 A BE 400733A BE 400733D A BE400733D A BE 400733DA BE 400733 A BE400733 A BE 400733A
Authority
BE
Belgium
Application number
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.)
Publication of BE400733A publication Critical patent/BE400733A/xx

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Circuit For Audible Band Transducer (AREA)
BE400733D 1933-01-06 BE400733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US650391A US1967223A (en) 1933-01-06 1933-01-06 Vibration transmitting device

Publications (1)

Publication Number Publication Date
BE400733A true BE400733A (en)

Family

ID=24608704

Family Applications (1)

Application Number Title Priority Date Filing Date
BE400733D BE400733A (en) 1933-01-06

Country Status (4)

Country Link
US (1) US1967223A (en)
BE (1) BE400733A (en)
FR (1) FR766483A (en)
GB (1) GB430921A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518805A (en) * 1945-08-24 1950-08-15 Massa Frank Resonant chamber for microphones
US2713396A (en) * 1950-05-24 1955-07-19 Ernest A Tavares Novel, small, extended low frequency response, loudspeaker enclosure
US2820526A (en) * 1952-07-10 1958-01-21 Ernest A Tavares Sound producing system
DE1004232B (en) * 1952-11-18 1957-03-14 Ernst Romen Seamless membrane made of fiber, especially for loudspeakers
US2805729A (en) * 1953-09-15 1957-09-10 Read Oliver Loudspeaker enclosure
GB765183A (en) * 1954-01-05 1957-01-02 Donald Maynard Chave Improvements in or relating to loudspeakers
US2903084A (en) * 1956-06-14 1959-09-08 Howard R Johnson Speaker assembly
US3151699A (en) * 1963-04-10 1964-10-06 Hartley D Peavey Portable sounding apparatus
US3403235A (en) * 1965-03-17 1968-09-24 Newmarkets Inc Wide-range loudspeaker
US3410400A (en) * 1965-11-26 1968-11-12 Allen Bradley Co Reciprocating air column sifter
US3845246A (en) * 1973-03-28 1974-10-29 Gte Sylvania Inc Speaker system
US6700987B2 (en) * 2000-08-25 2004-03-02 Matsushita Electric Industrial Co., Ltd. Loudspeaker
US7731130B2 (en) * 2002-07-31 2010-06-08 Harman International Industries, Incorporated Loudspeaker mounting mechanism
JP4594127B2 (en) * 2005-02-17 2010-12-08 パイオニア株式会社 Frame for speaker device and speaker device
JP2006229517A (en) * 2005-02-17 2006-08-31 Pioneer Electronic Corp Frame for speaker device, and speaker device
US8276706B2 (en) * 2008-06-27 2012-10-02 Rgb Systems, Inc. Method and apparatus for a loudspeaker assembly

Also Published As

Publication number Publication date
FR766483A (en) 1934-06-28
GB430921A (en) 1935-06-27
US1967223A (en) 1934-07-24

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