CH532347A - Impedance compensation device of a transmission line connected to a numbering device by variation of impedance - Google Patents

Impedance compensation device of a transmission line connected to a numbering device by variation of impedance

Info

Publication number
CH532347A
CH532347A CH256471A CH256471A CH532347A CH 532347 A CH532347 A CH 532347A CH 256471 A CH256471 A CH 256471A CH 256471 A CH256471 A CH 256471A CH 532347 A CH532347 A CH 532347A
Authority
CH
Switzerland
Prior art keywords
impedance
variation
transmission line
line connected
numbering
Prior art date
Application number
CH256471A
Other languages
French (fr)
Inventor
Monin Claude
Arpin Daniel
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of CH532347A publication Critical patent/CH532347A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
CH256471A 1970-03-06 1971-02-23 Impedance compensation device of a transmission line connected to a numbering device by variation of impedance CH532347A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7008176A FR2082216A5 (en) 1970-03-06 1970-03-06

Publications (1)

Publication Number Publication Date
CH532347A true CH532347A (en) 1972-12-31

Family

ID=9051856

Family Applications (1)

Application Number Title Priority Date Filing Date
CH256471A CH532347A (en) 1970-03-06 1971-02-23 Impedance compensation device of a transmission line connected to a numbering device by variation of impedance

Country Status (7)

Country Link
BE (1) BE763347A (en)
CH (1) CH532347A (en)
DE (1) DE2110655A1 (en)
FR (1) FR2082216A5 (en)
GB (1) GB1317844A (en)
NL (1) NL7102869A (en)
SE (1) SE363561B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141560A (en) * 1989-12-01 1992-08-25 National Research Development Corporation Dental cement

Also Published As

Publication number Publication date
SE363561B (en) 1974-01-21
GB1317844A (en) 1973-05-23
FR2082216A5 (en) 1971-12-10
NL7102869A (en) 1971-09-08
DE2110655A1 (en) 1971-09-16
BE763347A (en) 1971-08-24

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Legal Events

Date Code Title Description
PL Patent ceased