BE468378A - - Google Patents

Info

Publication number
BE468378A
BE468378A BE468378DA BE468378A BE 468378 A BE468378 A BE 468378A BE 468378D A BE468378D A BE 468378DA BE 468378 A BE468378 A BE 468378A
Authority
BE
Belgium
Application number
Publication of BE468378A publication Critical patent/BE468378A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BE468378D BE468378A (enEXAMPLES)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE468378T

Publications (1)

Publication Number Publication Date
BE468378A true BE468378A (enEXAMPLES)

Family

ID=3870117

Family Applications (2)

Application Number Title Priority Date Filing Date
BE468378D BE468378A (enEXAMPLES)
BE462902D BE462902A (enEXAMPLES)

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE462902D BE462902A (enEXAMPLES)

Country Status (1)

Country Link
BE (2) BE462902A (enEXAMPLES)

Also Published As

Publication number Publication date
BE462902A (enEXAMPLES)

Similar Documents

Publication Publication Date Title
BE462902A (enEXAMPLES)