GB670770A - Improvements in or relating to circuit-arrangements for use in automatic signalling systems for selectively marking the outlets of a group of switches - Google Patents

Improvements in or relating to circuit-arrangements for use in automatic signalling systems for selectively marking the outlets of a group of switches

Info

Publication number
GB670770A
GB670770A GB1444350A GB1444350A GB670770A GB 670770 A GB670770 A GB 670770A GB 1444350 A GB1444350 A GB 1444350A GB 1444350 A GB1444350 A GB 1444350A GB 670770 A GB670770 A GB 670770A
Authority
GB
United Kingdom
Prior art keywords
resistor
group
selector
relay
outlets
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
GB1444350A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB670770A publication Critical patent/GB670770A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
GB1444350A 1949-06-14 1950-06-09 Improvements in or relating to circuit-arrangements for use in automatic signalling systems for selectively marking the outlets of a group of switches Expired GB670770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL146970 1949-06-14

Publications (1)

Publication Number Publication Date
GB670770A true GB670770A (en) 1952-04-23

Family

ID=19750474

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1444350A Expired GB670770A (en) 1949-06-14 1950-06-09 Improvements in or relating to circuit-arrangements for use in automatic signalling systems for selectively marking the outlets of a group of switches

Country Status (4)

Country Link
BE (1) BE496281A (enrdf_load_stackoverflow)
DE (1) DE815201C (enrdf_load_stackoverflow)
GB (1) GB670770A (enrdf_load_stackoverflow)
NL (2) NL146970B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL146970B (nl)
NL72048C (enrdf_load_stackoverflow)
BE496281A (enrdf_load_stackoverflow)
DE815201C (de) 1951-10-01

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