NL56358C - - Google Patents

Info

Publication number
NL56358C
NL56358C NL56358DA NL56358C NL 56358 C NL56358 C NL 56358C NL 56358D A NL56358D A NL 56358DA NL 56358 C NL56358 C NL 56358C
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 NL56358C publication Critical patent/NL56358C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
NL56358D 1937-12-11 NL56358C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2250769X 1937-12-11

Publications (1)

Publication Number Publication Date
NL56358C true NL56358C (cg-RX-API-DMAC7.html)

Family

ID=4568218

Family Applications (1)

Application Number Title Priority Date Filing Date
NL56358D NL56358C (cg-RX-API-DMAC7.html) 1937-12-11

Country Status (2)

Country Link
US (1) US2250769A (cg-RX-API-DMAC7.html)
NL (1) NL56358C (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
US2250769A (en) 1941-07-29

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