NL139148C - Schakeling voor het omzetten van elektrische wisselstroomsignalen in een andere frequentie. - Google Patents

Schakeling voor het omzetten van elektrische wisselstroomsignalen in een andere frequentie.

Info

Publication number
NL139148C
NL139148C NL61261215A NL261215A NL139148C NL 139148 C NL139148 C NL 139148C NL 61261215 A NL61261215 A NL 61261215A NL 261215 A NL261215 A NL 261215A NL 139148 C NL139148 C NL 139148C
Authority
NL
Netherlands
Prior art keywords
circuit
power signals
another frequency
converting electric
converting
Prior art date
Application number
NL61261215A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of NL139148C publication Critical patent/NL139148C/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/20—Time-division multiplex systems using resonant transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Telephonic Communication Services (AREA)
  • Time-Division Multiplex Systems (AREA)
NL61261215A 1960-03-08 1961-02-14 Schakeling voor het omzetten van elektrische wisselstroomsignalen in een andere frequentie. NL139148C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES67471A DE1135972B (de) 1960-03-08 1960-03-08 Schaltung zur Verlagerung eines elektrischen Wechselstromsignals in eine andere Frequenzlage

Publications (1)

Publication Number Publication Date
NL139148C true NL139148C (nl) 1973-11-15

Family

ID=7499579

Family Applications (2)

Application Number Title Priority Date Filing Date
NL261215D NL261215A (nl) 1960-03-08
NL61261215A NL139148C (nl) 1960-03-08 1961-02-14 Schakeling voor het omzetten van elektrische wisselstroomsignalen in een andere frequentie.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL261215D NL261215A (nl) 1960-03-08

Country Status (7)

Country Link
US (1) US3205310A (nl)
CH (1) CH393455A (nl)
DE (1) DE1135972B (nl)
DK (1) DK107361C (nl)
GB (1) GB941769A (nl)
NL (2) NL139148C (nl)
SE (1) SE325318B (nl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259693A (en) * 1960-09-28 1966-07-05 Nippon Electric Co Frequency division multiplex communication system
NL273561A (nl) * 1961-01-20
BE640226A (nl) * 1961-07-28 1964-05-21
BE626997A (nl) * 1962-01-10
US3399278A (en) * 1962-10-15 1968-08-27 Ibm Time division and frequency devision multiplexing system
DE1278544B (de) * 1963-09-23 1968-09-26 Siemens Ag Verfahren und Schaltungsanordnung zum UEbertragen von mehreren impulsmodulierten Fernmeldenachrichten ueber einen gemeinsamen UEbertragungsweg in Zeitmultiplexanlagen, insbesondere Zeitmultiplex-Fernsprechvermittlungsanlagen
US3328528A (en) * 1963-11-04 1967-06-27 Bell Telephone Labor Inc Apparatus for interchanging time and frequency signals
US3359370A (en) * 1964-06-05 1967-12-19 Ibm Ideally lossless resonant transfer of energy between bandpass filters of equal bandwidth
GB1112248A (en) * 1966-06-03 1968-05-01 Standard Telephones Cables Ltd Improvements in or relating to n-path frequency translation systems
US3520998A (en) * 1966-11-01 1970-07-21 Ibm Resonant transfer of energy between bandpass filters of unequal bandwidth
US3501594A (en) * 1967-05-01 1970-03-17 Us Air Force Apparatus for forming an all-lower sideband group signal output
US3577202A (en) * 1967-07-06 1971-05-04 Stromberg Carlson Corp Telephone hybrid arrangement with frequency separation for use with tdm systems
US3717816A (en) * 1971-03-19 1973-02-20 Siemens Ag Impulse-scanned n-path filter for several frequency ranges
DE2951495A1 (de) * 1979-12-20 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Breitband-fernmeldesystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE556365A (nl) * 1954-12-03
US2936337A (en) * 1957-01-09 1960-05-10 Bell Telephone Labor Inc Switching circuit
NL112812C (nl) * 1957-12-11
NL249240A (nl) * 1959-03-13

Also Published As

Publication number Publication date
GB941769A (en) 1963-11-13
DE1135972B (de) 1962-09-06
CH393455A (de) 1965-06-15
SE325318B (nl) 1970-06-29
NL261215A (nl)
US3205310A (en) 1965-09-07
DK107361C (da) 1967-05-22

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