BE350724A - - Google Patents

Info

Publication number
BE350724A
BE350724A BE350724DA BE350724A BE 350724 A BE350724 A BE 350724A BE 350724D A BE350724D A BE 350724DA BE 350724 A BE350724 A BE 350724A
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 BE350724A publication Critical patent/BE350724A/xx
Priority claimed from GB1086027A external-priority patent/GB294285A/en

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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE350724D 1927-04-22 BE350724A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1086027A GB294285A (en) 1928-01-07 1927-04-22 Improvements in or relating to electro-acoustic devices
GB60228A GB309226A (en) 1928-01-07 1928-01-07 Improvements in or relating to acoustic devices

Publications (1)

Publication Number Publication Date
BE350724A true BE350724A (enrdf_load_stackoverflow)

Family

ID=26236054

Family Applications (2)

Application Number Title Priority Date Filing Date
BE357157D BE357157A (enrdf_load_stackoverflow) 1927-04-22
BE350724D BE350724A (enrdf_load_stackoverflow) 1927-04-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE357157D BE357157A (enrdf_load_stackoverflow) 1927-04-22

Country Status (4)

Country Link
US (2) US2002189A (enrdf_load_stackoverflow)
BE (2) BE350724A (enrdf_load_stackoverflow)
FR (2) FR653092A (enrdf_load_stackoverflow)
NL (1) NL28724C (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469773A (en) * 1934-06-04 1949-05-10 Jensen Mfg Company Loud-speaker diaphragm support member
US2513171A (en) * 1948-11-26 1950-06-27 Fauthal A Hassan Loud-speaker diaphragm with stiffening struts
GB698695A (en) * 1951-01-11 1953-10-21 Lustraphone Ltd Improvements in or relating to microphones
US4239943A (en) * 1977-11-17 1980-12-16 Cerwin Vega, Inc. Adjustable dual spider for a loudspeaker
US4373607A (en) * 1979-08-03 1983-02-15 Miller Charles D Loudspeaker cone stiffeners
US5123053A (en) * 1990-07-11 1992-06-16 Harman International Industries, Incorporated Loudspeaker suspension
USD456386S1 (en) 1999-07-30 2002-04-30 Stillwater Designs & Audio, Inc. Subwoofer basket
US6611604B1 (en) 1999-10-22 2003-08-26 Stillwater Designs & Audio, Inc. Ultra low frequency transducer and loud speaker comprising same

Also Published As

Publication number Publication date
FR653092A (fr) 1929-03-15
NL28724C (enrdf_load_stackoverflow)
FR666922A (fr) 1929-10-08
US2002189A (en) 1935-05-21
US2002190A (en) 1935-05-21
BE357157A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR34464E (enrdf_load_stackoverflow)
FR629297A (enrdf_load_stackoverflow)
FR34911E (enrdf_load_stackoverflow)
BE352632A (enrdf_load_stackoverflow)
BE350984A (enrdf_load_stackoverflow)
BE341312A (enrdf_load_stackoverflow)
BE341579A (enrdf_load_stackoverflow)
BE341592A (enrdf_load_stackoverflow)
BE342108A (enrdf_load_stackoverflow)
NL41972C (enrdf_load_stackoverflow)
BE341038A (enrdf_load_stackoverflow)
NL24050C (enrdf_load_stackoverflow)
BE336646A (enrdf_load_stackoverflow)
BE295032A (enrdf_load_stackoverflow)
BE352417A (enrdf_load_stackoverflow)
BE352196A (enrdf_load_stackoverflow)
BE377965A (enrdf_load_stackoverflow)
BE353282A (enrdf_load_stackoverflow)
BE353089A (enrdf_load_stackoverflow)
BE352871A (enrdf_load_stackoverflow)
BE352870A (enrdf_load_stackoverflow)
BE352800A (enrdf_load_stackoverflow)
BE352643A (enrdf_load_stackoverflow)
BE350854A (enrdf_load_stackoverflow)
NL28724C (enrdf_load_stackoverflow)