NL6502918A - - Google Patents

Info

Publication number
NL6502918A
NL6502918A NL6502918A NL6502918A NL6502918A NL 6502918 A NL6502918 A NL 6502918A NL 6502918 A NL6502918 A NL 6502918A NL 6502918 A NL6502918 A NL 6502918A NL 6502918 A NL6502918 A NL 6502918A
Authority
NL
Netherlands
Application number
NL6502918A
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.)
Filing date
Publication date
Application filed filed Critical
Priority to NL6502918A priority Critical patent/NL6502918A/xx
Publication of NL6502918A publication Critical patent/NL6502918A/xx

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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/48—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using constructional means for obtaining a desired frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
NL6502918A 1965-03-08 1965-03-08 NL6502918A (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL6502918A NL6502918A (enrdf_load_stackoverflow) 1965-03-08 1965-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6502918A NL6502918A (enrdf_load_stackoverflow) 1965-03-08 1965-03-08

Publications (1)

Publication Number Publication Date
NL6502918A true NL6502918A (enrdf_load_stackoverflow) 1966-09-09

Family

ID=19792599

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6502918A NL6502918A (enrdf_load_stackoverflow) 1965-03-08 1965-03-08

Country Status (1)

Country Link
NL (1) NL6502918A (enrdf_load_stackoverflow)

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