BE358783A - - Google Patents

Info

Publication number
BE358783A
BE358783A BE358783DA BE358783A BE 358783 A BE358783 A BE 358783A BE 358783D A BE358783D A BE 358783DA BE 358783 A BE358783 A BE 358783A
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 BE358783A publication Critical patent/BE358783A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE358783D 1928-05-05 BE358783A (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW79281D DE557366C (de) 1928-05-05 1928-05-05 Lautsprecher

Publications (1)

Publication Number Publication Date
BE358783A true BE358783A (ja�@�@)

Family

ID=10155069

Family Applications (1)

Application Number Title Priority Date Filing Date
BE358783D BE358783A (ja�@�@) 1928-05-05

Country Status (5)

Country Link
BE (1) BE358783A (ja�@�@)
DE (1) DE557366C (ja�@�@)
FR (1) FR659604A (ja�@�@)
GB (1) GB314691A (ja�@�@)
NL (1) NL27769C (ja�@�@)

Also Published As

Publication number Publication date
GB314691A (en) 1929-07-04
DE557366C (de) 1932-08-22
NL27769C (ja�@�@)
FR659604A (fr) 1929-07-03

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