BE443815A - - Google Patents

Info

Publication number
BE443815A
BE443815A BE443815DA BE443815A BE 443815 A BE443815 A BE 443815A BE 443815D A BE443815D A BE 443815DA BE 443815 A BE443815 A BE 443815A
Authority
BE
Belgium
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 BE443815A publication Critical patent/BE443815A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/22—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/487—Testing crosstalk effects
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
BE443815D 1940-04-03 BE443815A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US327570A US2254601A (en) 1940-04-03 1940-04-03 Automatic measuring of cross talk

Publications (1)

Publication Number Publication Date
BE443815A true BE443815A (de)

Family

ID=23277096

Family Applications (1)

Application Number Title Priority Date Filing Date
BE443815D BE443815A (de) 1940-04-03

Country Status (3)

Country Link
US (2) US2254601A (de)
BE (1) BE443815A (de)
FR (1) FR876856A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459846A (en) * 1942-04-09 1949-01-25 Int Standard Electric Corp Voltage control arrangement
US2434293A (en) * 1943-05-11 1948-01-13 Sperry Gyroscope Co Inc Frequency control of an oscillator of the velocity modulation type
US2434294A (en) * 1943-10-22 1948-01-13 Sperry Gyroscope Co Inc Frequency control system
US2477770A (en) * 1944-04-03 1949-08-02 Cutler Hammer Inc Electronic timing and recording means
US2469324A (en) * 1945-02-09 1949-05-03 Rca Corp Circuit tuner
US2499514A (en) * 1945-02-27 1950-03-07 Rca Corp Beat frequency sweep oscillator
US2729745A (en) * 1951-06-05 1956-01-03 Sperry Rand Corp Sweep arrangements for servo systems
US3508018A (en) * 1966-06-02 1970-04-21 Us Air Force Testing circuitry for multi-channel communication system
DE2017275A1 (de) * 1970-04-10 1971-10-21 Siemens Ag Anordnung zur Messung von Fernnebensprecheigenschaften an Übertragungsleitungen

Also Published As

Publication number Publication date
US2254601A (en) 1941-09-02
USRE22620E (en) 1945-03-20
FR876856A (fr) 1942-11-19

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