CH481543A - Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems - Google Patents

Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems

Info

Publication number
CH481543A
CH481543A CH1440568A CH1440568A CH481543A CH 481543 A CH481543 A CH 481543A CH 1440568 A CH1440568 A CH 1440568A CH 1440568 A CH1440568 A CH 1440568A CH 481543 A CH481543 A CH 481543A
Authority
CH
Switzerland
Prior art keywords
systems
detection
display
circuit arrangement
signal
Prior art date
Application number
CH1440568A
Other languages
German (de)
Inventor
Karl Dipl Ing Rutkowski
Anton Dipl Ing Sennefelder
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
Publication of CH481543A publication Critical patent/CH481543A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
CH1440568A 1967-09-29 1968-09-26 Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems CH481543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1537840 1967-09-29

Publications (1)

Publication Number Publication Date
CH481543A true CH481543A (en) 1969-11-15

Family

ID=5675955

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1440568A CH481543A (en) 1967-09-29 1968-09-26 Circuit arrangement for the detection and display of signal status changes on signal lines in telecommunication systems, in particular telephone systems

Country Status (5)

Country Link
AT (1) AT283457B (en)
CH (1) CH481543A (en)
FR (1) FR1583383A (en)
GB (1) GB1189919A (en)
SE (1) SE330715B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749506B1 (en) 1996-06-07 1998-08-07 Oreal DETERGENT COSMETIC COMPOSITIONS FOR HAIR USE AND USE

Also Published As

Publication number Publication date
FR1583383A (en) 1969-10-24
AT283457B (en) 1970-08-10
SE330715B (en) 1970-11-30
GB1189919A (en) 1970-04-29

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Legal Events

Date Code Title Description
PL Patent ceased