BE513534A - - Google Patents

Info

Publication number
BE513534A
BE513534A BE513534DA BE513534A BE 513534 A BE513534 A BE 513534A BE 513534D A BE513534D A BE 513534DA BE 513534 A BE513534 A BE 513534A
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 BE513534A publication Critical patent/BE513534A/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
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

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)
  • Transducers For Ultrasonic Waves (AREA)
BE513534D 1951-08-17 BE513534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL304777X 1951-08-17

Publications (1)

Publication Number Publication Date
BE513534A true BE513534A (en)

Family

ID=19783449

Family Applications (1)

Application Number Title Priority Date Filing Date
BE513534D BE513534A (en) 1951-08-17

Country Status (5)

Country Link
BE (1) BE513534A (en)
CH (1) CH304777A (en)
DE (1) DE926498C (en)
FR (1) FR1061480A (en)
GB (1) GB709355A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5036804B2 (en) * 2007-02-28 2012-09-26 株式会社テムコジャパン Vibration pickup type microphone

Also Published As

Publication number Publication date
CH304777A (en) 1955-01-31
FR1061480A (en) 1954-04-13
DE926498C (en) 1955-04-18
GB709355A (en) 1954-05-19

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