CH504816A - Circuit arrangement for receiving direct or alternating current signals which are transmitted over a double line - Google Patents

Circuit arrangement for receiving direct or alternating current signals which are transmitted over a double line

Info

Publication number
CH504816A
CH504816A CH331768A CH331768A CH504816A CH 504816 A CH504816 A CH 504816A CH 331768 A CH331768 A CH 331768A CH 331768 A CH331768 A CH 331768A CH 504816 A CH504816 A CH 504816A
Authority
CH
Switzerland
Prior art keywords
alternating current
circuit arrangement
transmitted over
current signals
double line
Prior art date
Application number
CH331768A
Other languages
German (de)
Inventor
Herter Eberhard
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
Publication of CH504816A publication Critical patent/CH504816A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
CH331768A 1967-03-11 1968-03-06 Circuit arrangement for receiving direct or alternating current signals which are transmitted over a double line CH504816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967ST026614 DE1301840B (en) 1967-03-11 1967-03-11 Circuit arrangement for evaluating the loop status and for differentiating between loop resistances of a telecommunication line, in particular a telephone line

Publications (1)

Publication Number Publication Date
CH504816A true CH504816A (en) 1971-03-15

Family

ID=7461053

Family Applications (1)

Application Number Title Priority Date Filing Date
CH331768A CH504816A (en) 1967-03-11 1968-03-06 Circuit arrangement for receiving direct or alternating current signals which are transmitted over a double line

Country Status (5)

Country Link
BE (1) BE711971A (en)
CH (1) CH504816A (en)
DE (1) DE1301840B (en)
GB (1) GB1219834A (en)
NL (1) NL6803469A (en)

Also Published As

Publication number Publication date
DE1301840B (en) 1969-08-28
GB1219834A (en) 1971-01-20
NL6803469A (en) 1968-09-12
BE711971A (en) 1968-09-11

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Legal Events

Date Code Title Description
PL Patent ceased