NL73443C - - Google Patents

Info

Publication number
NL73443C
NL73443C NL73443DA NL73443C NL 73443 C NL73443 C NL 73443C NL 73443D A NL73443D A NL 73443DA NL 73443 C NL73443 C NL 73443C
Authority
NL
Netherlands
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 NL73443C publication Critical patent/NL73443C/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
NL73443D 1949-03-31 NL73443C (th)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987123T 1949-03-31

Publications (1)

Publication Number Publication Date
NL73443C true NL73443C (th)

Family

ID=9538692

Family Applications (1)

Application Number Title Priority Date Filing Date
NL73443D NL73443C (th) 1949-03-31

Country Status (3)

Country Link
US (1) US2657758A (th)
FR (1) FR987123A (th)
NL (1) NL73443C (th)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL90604C (th) * 1951-12-05
US2815823A (en) * 1953-03-02 1957-12-10 Rca Corp Loudspeaker structure
US3180945A (en) * 1961-09-22 1965-04-27 Wm H Welsh Co Inc Loudspeaker
JP3874467B2 (ja) * 1996-09-27 2007-01-31 松下電器産業株式会社 銅箔糸線用ワックスとそれを用いたスピーカ用銅箔糸線およびスピーカ
US6929091B2 (en) * 2002-10-28 2005-08-16 Sound Advance Systems, Inc. Planar diaphragm loudspeaker and related methods
ATE394894T1 (de) * 2003-08-19 2008-05-15 Matsushita Electric Ind Co Ltd Lautsprecher
US9628917B2 (en) 2014-07-23 2017-04-18 Bose Corporation Sound producing system
US9913042B2 (en) 2016-06-14 2018-03-06 Bose Corporation Miniature device having an acoustic diaphragm
US10499159B2 (en) * 2017-05-17 2019-12-03 Bose Corporation Method of fabricating a miniature device having an acoustic diaphragm
US10448183B2 (en) 2017-07-27 2019-10-15 Bose Corporation Method of fabricating a miniature device having an acoustic diaphragm

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US804903A (en) * 1905-05-25 1905-11-21 John H Van Mater Acoustic diaphragm.
US1040294A (en) * 1911-10-11 1912-10-08 James H Ellis Diaphragm.
US1624357A (en) * 1923-06-15 1927-04-12 Western Electric Co Phonic diaphragm
US1846937A (en) * 1930-05-09 1932-02-23 Gen Electric Diaphragm for loud speakers
US1722805A (en) * 1926-07-31 1929-07-30 Bell Telephone Labor Inc Sound radiator
US1825833A (en) * 1929-06-21 1931-10-06 Tennesse Hans Acoustic diaphragm
US1941476A (en) * 1930-06-27 1934-01-02 Jensen Radio Mfg Company Method of making sound reproducers
FR738415A (fr) * 1931-10-02 1932-12-26 Diaphragme vibrant pour appareils sonores
US1956826A (en) * 1932-06-16 1934-05-01 Rola Company Method of making alpha voice coil
US2030501A (en) * 1934-01-31 1936-02-11 Rca Corp Loudspeaker cone diaphragm and method of producing same
US2288832A (en) * 1937-08-31 1942-07-07 Rca Corp Fibrous acoustic diaphragm
US2531634A (en) * 1945-01-11 1950-11-28 Athol E N Lawrance Acoustical diaphragm with stiffening means
US2512323A (en) * 1946-09-09 1950-06-20 Radio Frequency Lab Inc Reentrant diaphragm with central closure member

Also Published As

Publication number Publication date
US2657758A (en) 1953-11-03
FR987123A (fr) 1951-08-09

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