CH277500A - Uberwachungsschaltung. - Google Patents

Uberwachungsschaltung.

Info

Publication number
CH277500A
CH277500A CH277500DA CH277500A CH 277500 A CH277500 A CH 277500A CH 277500D A CH277500D A CH 277500DA CH 277500 A CH277500 A CH 277500A
Authority
CH
Switzerland
Prior art keywords
monitoring circuit
monitoring
circuit
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH277500A publication Critical patent/CH277500A/de

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
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H03K17/288—Modifications for introducing a time delay before switching in tube switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Magnetic Treatment Devices (AREA)
CH277500D 1948-12-10 1949-12-08 Uberwachungsschaltung. CH277500A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL277500X 1948-12-10

Publications (1)

Publication Number Publication Date
CH277500A true CH277500A (de) 1951-08-31

Family

ID=19782177

Family Applications (1)

Application Number Title Priority Date Filing Date
CH277500D CH277500A (de) 1948-12-10 1949-12-08 Uberwachungsschaltung.

Country Status (4)

Country Link
BE (1) BE492617A (xx)
CH (1) CH277500A (xx)
FR (1) FR1001100A (xx)
GB (1) GB678388A (xx)

Also Published As

Publication number Publication date
GB678388A (en) 1952-09-03
FR1001100A (fr) 1952-02-19
BE492617A (xx)

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