GB612774A - Improvements in or relating to electromagnetic relays - Google Patents

Improvements in or relating to electromagnetic relays

Info

Publication number
GB612774A
GB612774A GB1676646A GB1676646A GB612774A GB 612774 A GB612774 A GB 612774A GB 1676646 A GB1676646 A GB 1676646A GB 1676646 A GB1676646 A GB 1676646A GB 612774 A GB612774 A GB 612774A
Authority
GB
United Kingdom
Prior art keywords
relay
during
release
rectifiers
electromagnetic relays
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
GB1676646A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB1676646A priority Critical patent/GB612774A/en
Priority to ES0180299A priority patent/ES180299A1/en
Publication of GB612774A publication Critical patent/GB612774A/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
    • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)

Abstract

612,774. Electromagnetic relays. STANDARD TELEPHONES & CABLES, Ltd., and CHILDS, P. A. June 3, 1946, No. 16766. [Class 38 (v)] A relay specially adapted for repeating impulses and with adjustable time-lag for both operation and release, has an operating winding IW and a control winding CW, the control winding being provided with alternative shunt circuits each containing a variable resistance and one being operative during " operation " of the relay and the other during " release." In the form shown, the two variable resistances AB and BC are constituted by a potentiometer connected up to two rectifiers R1, R2 as shown. During " operation " of the relay, an induced secondary current flows from CW through BC and R2 and during '' release " through BA and R1. In a modification, the rectifiers R1, R2 are replaced by relay-operated contacts which effect the necessary connections.
GB1676646A 1946-06-03 1946-06-03 Improvements in or relating to electromagnetic relays Expired GB612774A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1676646A GB612774A (en) 1946-06-03 1946-06-03 Improvements in or relating to electromagnetic relays
ES0180299A ES180299A1 (en) 1946-06-03 1947-10-30 IMPROVEMENTS RELATED TO ELECTROMAGNETIC RELAYS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1676646A GB612774A (en) 1946-06-03 1946-06-03 Improvements in or relating to electromagnetic relays

Publications (1)

Publication Number Publication Date
GB612774A true GB612774A (en) 1948-11-17

Family

ID=10083268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1676646A Expired GB612774A (en) 1946-06-03 1946-06-03 Improvements in or relating to electromagnetic relays

Country Status (2)

Country Link
ES (1) ES180299A1 (en)
GB (1) GB612774A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979642A (en) * 1952-01-17 1961-04-11 Int Standard Electric Corp Telephone systems
US3059154A (en) * 1959-02-17 1962-10-16 Honeywell Regulator Co Data processing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979642A (en) * 1952-01-17 1961-04-11 Int Standard Electric Corp Telephone systems
US3059154A (en) * 1959-02-17 1962-10-16 Honeywell Regulator Co Data processing apparatus

Also Published As

Publication number Publication date
ES180299A1 (en) 1947-12-01

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