NL25688C - - Google Patents

Info

Publication number
NL25688C
NL25688C NL25688DA NL25688C NL 25688 C NL25688 C NL 25688C NL 25688D A NL25688D A NL 25688DA NL 25688 C NL25688 C NL 25688C
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 NL25688C publication Critical patent/NL25688C/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
NL25688D 1927-07-30 NL25688C (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US294875XA 1927-07-30 1927-07-30

Publications (1)

Publication Number Publication Date
NL25688C true NL25688C (ja�@�@)

Family

ID=21849258

Family Applications (1)

Application Number Title Priority Date Filing Date
NL25688D NL25688C (ja�@�@) 1927-07-30

Country Status (4)

Country Link
BE (1) BE352792A (ja�@�@)
FR (1) FR664693A (ja�@�@)
GB (1) GB294875A (ja�@�@)
NL (1) NL25688C (ja�@�@)

Also Published As

Publication number Publication date
GB294875A (en) 1929-08-22
BE352792A (ja�@�@)
FR664693A (fr) 1929-09-06

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