CH304777A - Akustisches Umformungssystem. - Google Patents

Akustisches Umformungssystem.

Info

Publication number
CH304777A
CH304777A CH304777DA CH304777A CH 304777 A CH304777 A CH 304777A CH 304777D A CH304777D A CH 304777DA CH 304777 A CH304777 A CH 304777A
Authority
CH
Switzerland
Prior art keywords
conversion system
acoustic conversion
acoustic
conversion
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 by Philips Nv filed Critical Philips Nv
Publication of CH304777A publication Critical patent/CH304777A/de

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
    • 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 
    • H04R1/222—Arrangements 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)
  • Transducers For Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CH304777D 1951-08-17 1952-08-15 Akustisches Umformungssystem. CH304777A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH304777A true CH304777A (de) 1955-01-31

Family

ID=19783449

Family Applications (1)

Application Number Title Priority Date Filing Date
CH304777D CH304777A (de) 1951-08-17 1952-08-15 Akustisches Umformungssystem.

Country Status (5)

Country Link
BE (1) BE513534A (en(2012))
CH (1) CH304777A (en(2012))
DE (1) DE926498C (en(2012))
FR (1) FR1061480A (en(2012))
GB (1) GB709355A (en(2012))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008105180A1 (ja) * 2007-02-28 2008-09-04 Temco Japan Co., Ltd. 振動ピックアップ型マイクロホン

Also Published As

Publication number Publication date
DE926498C (de) 1955-04-18
GB709355A (en) 1954-05-19
BE513534A (en(2012))
FR1061480A (fr) 1954-04-13

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