NL55659C - - Google Patents

Info

Publication number
NL55659C
NL55659C NL55659DA NL55659C NL 55659 C NL55659 C NL 55659C NL 55659D A NL55659D A NL 55659DA NL 55659 C NL55659 C NL 55659C
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 NL55659C publication Critical patent/NL55659C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
NL55659D 1939-01-24 NL55659C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE214508X 1939-01-24

Publications (1)

Publication Number Publication Date
NL55659C true NL55659C (cg-RX-API-DMAC7.html)

Family

ID=5819084

Family Applications (1)

Application Number Title Priority Date Filing Date
NL55659D NL55659C (cg-RX-API-DMAC7.html) 1939-01-24

Country Status (3)

Country Link
CH (1) CH214508A (cg-RX-API-DMAC7.html)
FR (1) FR868660A (cg-RX-API-DMAC7.html)
NL (1) NL55659C (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
CH214508A (de) 1941-04-30
FR868660A (fr) 1942-01-12

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