NL4057C - - Google Patents

Info

Publication number
NL4057C
NL4057C NL4057DA NL4057C NL 4057 C NL4057 C NL 4057C NL 4057D A NL4057D A NL 4057DA NL 4057 C NL4057 C NL 4057C
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 NL4057C publication Critical patent/NL4057C/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Resistance Heating (AREA)
NL4057D 1916-09-15 NL4057C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL109797X 1916-09-15

Publications (1)

Publication Number Publication Date
NL4057C true NL4057C (enrdf_load_stackoverflow)

Family

ID=32294124

Family Applications (1)

Application Number Title Priority Date Filing Date
NL4057D NL4057C (enrdf_load_stackoverflow) 1916-09-15

Country Status (4)

Country Link
DE (1) DE310385C (enrdf_load_stackoverflow)
FR (1) FR487624A (enrdf_load_stackoverflow)
GB (1) GB109797A (enrdf_load_stackoverflow)
NL (1) NL4057C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB109797A (en) 1917-10-25
DE310385C (enrdf_load_stackoverflow)
FR487624A (fr) 1918-07-17

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