NL111059C - - Google Patents

Info

Publication number
NL111059C
NL111059C NL111059DA NL111059C NL 111059 C NL111059 C NL 111059C NL 111059D A NL111059D A NL 111059DA NL 111059 C NL111059 C NL 111059C
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 NL111059C publication Critical patent/NL111059C/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 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NL111059D 1959-07-06 NL111059C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82508359A 1959-07-06 1959-07-06

Publications (1)

Publication Number Publication Date
NL111059C true NL111059C (cg-RX-API-DMAC7.html)

Family

ID=25243070

Family Applications (1)

Application Number Title Priority Date Filing Date
NL111059D NL111059C (cg-RX-API-DMAC7.html) 1959-07-06

Country Status (2)

Country Link
GB (1) GB956362A (cg-RX-API-DMAC7.html)
NL (1) NL111059C (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
GB956362A (en) 1964-04-29

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