NL286916A - - Google Patents

Info

Publication number
NL286916A
NL286916A NL286916DA NL286916A NL 286916 A NL286916 A NL 286916A NL 286916D A NL286916D A NL 286916DA NL 286916 A NL286916 A NL 286916A
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 NL286916A publication Critical patent/NL286916A/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
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
NL286916D 1961-12-19 NL286916A (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2041233 1961-12-19

Publications (1)

Publication Number Publication Date
NL286916A true NL286916A (ja�@�@)

Family

ID=3864759

Family Applications (1)

Application Number Title Priority Date Filing Date
NL286916D NL286916A (ja�@�@) 1961-12-19

Country Status (2)

Country Link
BE (1) BE611697A (ja�@�@)
NL (1) NL286916A (ja�@�@)

Also Published As

Publication number Publication date
BE611697A (ja�@�@)

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