BE858257R - Circuit de compensation d'une resistance par une resistance negative variable - Google Patents

Circuit de compensation d'une resistance par une resistance negative variable

Info

Publication number
BE858257R
BE858257R BE2056202A BE2056202A BE858257R BE 858257 R BE858257 R BE 858257R BE 2056202 A BE2056202 A BE 2056202A BE 2056202 A BE2056202 A BE 2056202A BE 858257 R BE858257 R BE 858257R
Authority
BE
Belgium
Prior art keywords
resistance
compensation circuit
variable negative
negative resistance
variable
Prior art date
Application number
BE2056202A
Other languages
English (en)
French (fr)
Inventor
L Gasser
J Zanzig
G Fink
W Zimmer
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of BE858257R publication Critical patent/BE858257R/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Amplifiers (AREA)
  • Radio Relay Systems (AREA)
BE2056202A 1976-08-31 1977-08-31 Circuit de compensation d'une resistance par une resistance negative variable BE858257R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762639136 DE2639136C2 (de) 1976-08-31 1976-08-31 System zum Überwachen der stabilen Arbeitsweise von Verstärkern

Publications (1)

Publication Number Publication Date
BE858257R true BE858257R (fr) 1978-02-28

Family

ID=5986773

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056202A BE858257R (fr) 1976-08-31 1977-08-31 Circuit de compensation d'une resistance par une resistance negative variable

Country Status (10)

Country Link
AR (1) AR213321A1 (de)
AT (1) AT357610B (de)
BE (1) BE858257R (de)
BR (1) BR7704403A (de)
CH (1) CH619574A5 (de)
DE (1) DE2639136C2 (de)
DK (1) DK378377A (de)
ES (1) ES461988A1 (de)
FR (1) FR2363953A1 (de)
IT (1) IT1085679B (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690213A (en) * 1926-12-30 1928-11-06 Western Electric Co Automatic system for testing repeaters
GB1464085A (en) * 1974-04-22 1977-02-09 Int Standard Electric Corp Compensating circuit for electronic switches
DE2419357C3 (de) * 1974-04-22 1982-02-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur Entdämpfung von elektronischen Schaltern, insbesondere von Halbleiterkoppelelementen einer Fernsprechvermittlungsstelle

Also Published As

Publication number Publication date
DK378377A (da) 1978-03-01
CH619574A5 (en) 1980-09-30
AR213321A1 (es) 1979-01-15
ES461988A1 (es) 1978-05-16
DE2639136C2 (de) 1986-01-30
BR7704403A (pt) 1978-05-16
ATA612377A (de) 1979-12-15
FR2363953A1 (fr) 1978-03-31
AT357610B (de) 1980-07-25
IT1085679B (it) 1985-05-28
DE2639136A1 (de) 1978-03-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ALCATEL N.V.

Effective date: 19880430