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GB305166A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
GB305166A
GB305166A GB2203/29A GB220329A GB305166A GB 305166 A GB305166 A GB 305166A GB 2203/29 A GB2203/29 A GB 2203/29A GB 220329 A GB220329 A GB 220329A GB 305166 A GB305166 A GB 305166A
Authority
GB
United Kingdom
Prior art keywords
alternating current
relating
source
indicating
coil
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
GB2203/29A
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.)
TECH D ETUDES ET D ENTPR S POU
Original Assignee
TECH D ETUDES ET D ENTPR S POU
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 TECH D ETUDES ET D ENTPR S POU filed Critical TECH D ETUDES ET D ENTPR S POU
Publication of GB305166A publication Critical patent/GB305166A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
    • G08C19/06—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage using variable inductance

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

305,166. Societe Technique d<,>Etudes et d'Entreprises pour l'Industrie, and Huguenin, A. Feb. 1, 1928, [Convention date]. Tell-tale apparatus.-In a system for indicating at a distance the position of apparatus, such as a valve, the apparatus controls a core 4 which co-operates with a part 1 of a magnetic circuit to form air gaps of constant and variable lengths and is movable relatively to a coil 5, 6 the former part of which generates a voltage to operate an indicating instrument 9 under the influence of a magnetic field produced by the part 6 which is supplied from a source of alternating current. In a modification the source of alternating current is applied to the whole coil and an indicating instrument is connected in series.
GB2203/29A 1928-02-01 1929-01-22 Improvements in or relating to electric signalling systems Expired GB305166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648054T 1928-02-01

Publications (1)

Publication Number Publication Date
GB305166A true GB305166A (en) 1929-08-01

Family

ID=9002429

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2203/29A Expired GB305166A (en) 1928-02-01 1929-01-22 Improvements in or relating to electric signalling systems

Country Status (4)

Country Link
CH (1) CH139964A (en)
DE (1) DE511292C (en)
FR (1) FR648054A (en)
GB (1) GB305166A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231720B (en) * 1964-04-24 1967-01-05 Leipzig Veb Druckmasch Werke Method for checking the position of two bodies relative to one another, in particular the position of a sheet in a printing press

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428234A (en) * 1942-01-16 1947-09-30 Rotol Ltd Internal micrometer
DE1085712B (en) * 1954-07-31 1960-07-21 Daimler Benz Ag Device for monitoring the performance of diesel engine ship drives with several adjusting screws
DE1017805B (en) * 1955-09-29 1957-10-17 Siemens Ag Device for contactless conversion of mechanical deflections into electrical quantities on an inductive basis
DE1059674B (en) * 1955-10-18 1959-06-18 J C Eckardt A G Inductive transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231720B (en) * 1964-04-24 1967-01-05 Leipzig Veb Druckmasch Werke Method for checking the position of two bodies relative to one another, in particular the position of a sheet in a printing press

Also Published As

Publication number Publication date
DE511292C (en) 1930-10-30
FR648054A (en) 1928-12-05
CH139964A (en) 1930-05-15

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