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GB276354A - Improvements in and relating to electromagnetic relays - Google Patents

Improvements in and relating to electromagnetic relays

Info

Publication number
GB276354A
GB276354A GB21898/27A GB2189827A GB276354A GB 276354 A GB276354 A GB 276354A GB 21898/27 A GB21898/27 A GB 21898/27A GB 2189827 A GB2189827 A GB 2189827A GB 276354 A GB276354 A GB 276354A
Authority
GB
United Kingdom
Prior art keywords
armature
aug
recorder
relating
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
GB21898/27A
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.)
HARALD STAVOESTRAND
Original Assignee
HARALD STAVOESTRAND
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 HARALD STAVOESTRAND filed Critical HARALD STAVOESTRAND
Publication of GB276354A publication Critical patent/GB276354A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/14—Special arrangements for fine and coarse tuning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Soil Working Implements (AREA)

Abstract

276,354. Stav÷strand, H. Aug. 19, 1927. [A Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 21, 1927]. Morse and like recorders.-A. combined telegraphic relay and recorder comprises electromagnets 1, 2 on soft-iron covers which are polarized by a permanent magnet 7 or equivalent electromagnet. The armature 8 has a knife-edge 9 resting on the end of the pole-piece 6 and is supported by a blade spring 10 connected by a wire 11 to an adjusting screw and nut 12, 13. Normally a contact plate 14 attached to the armature rests against the lower of two fixed contacts 15, 16. The armature may additionally carry the needle or arm of an undulating recorder.
GB21898/27A 1926-08-20 1927-08-19 Improvements in and relating to electromagnetic relays Expired GB276354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO1728840X 1926-08-20

Publications (1)

Publication Number Publication Date
GB276354A true GB276354A (en) 1928-08-09

Family

ID=19910392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21898/27A Expired GB276354A (en) 1926-08-20 1927-08-19 Improvements in and relating to electromagnetic relays

Country Status (4)

Country Link
US (1) US1728840A (en)
DE (1) DE498903C (en)
FR (1) FR639640A (en)
GB (1) GB276354A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806183A (en) * 1952-11-27 1957-09-10 British Thomson Houston Co Ltd Electro-magnetic control devices
NL201679A (en) * 1954-11-03
DE3438275C1 (en) * 1984-10-18 1989-11-23 SDS-Relais AG, 8024 Deisenhofen Poled electromagnetic relay

Also Published As

Publication number Publication date
FR639640A (en) 1928-06-26
US1728840A (en) 1929-09-17
DE498903C (en) 1930-05-30

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