GB678388A - Improvements in or relating to time-limiting circuits - Google Patents

Improvements in or relating to time-limiting circuits

Info

Publication number
GB678388A
GB678388A GB31416/49A GB3141649A GB678388A GB 678388 A GB678388 A GB 678388A GB 31416/49 A GB31416/49 A GB 31416/49A GB 3141649 A GB3141649 A GB 3141649A GB 678388 A GB678388 A GB 678388A
Authority
GB
United Kingdom
Prior art keywords
relay
circuit
time
tube
condenser
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB31416/49A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB678388A publication Critical patent/GB678388A/en
Expired legal-status Critical Current

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)
GB31416/49A 1948-12-10 1949-12-07 Improvements in or relating to time-limiting circuits Expired GB678388A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB678388A true GB678388A (en) 1952-09-03

Family

ID=19782177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31416/49A Expired GB678388A (en) 1948-12-10 1949-12-07 Improvements in or relating to time-limiting circuits

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
FR1001100A (fr) 1952-02-19
CH277500A (de) 1951-08-31
BE492617A (xx)

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