GB751224A - Velocity-dependent measuring and control systems - Google Patents

Velocity-dependent measuring and control systems

Info

Publication number
GB751224A
GB751224A GB37454A GB37454A GB751224A GB 751224 A GB751224 A GB 751224A GB 37454 A GB37454 A GB 37454A GB 37454 A GB37454 A GB 37454A GB 751224 A GB751224 A GB 751224A
Authority
GB
United Kingdom
Prior art keywords
relay
photo
light
cell
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
GB37454A
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.)
Individual
Original Assignee
Individual
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
Priority to FR1094623D priority Critical patent/FR1094623A/fr
Priority to DEF10809A priority patent/DE923274C/de
Application filed by Individual filed Critical Individual
Priority to GB37454A priority patent/GB751224A/en
Publication of GB751224A publication Critical patent/GB751224A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/103—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the value of the measured signal with one or several reference values
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/02—Track brakes or retarding apparatus
    • B61K7/12—Track brakes or retarding apparatus electrically controlled
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
GB37454A 1953-01-13 1954-01-06 Velocity-dependent measuring and control systems Expired GB751224A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1094623D FR1094623A (enrdf_load_stackoverflow) 1954-01-06
DEF10809A DE923274C (de) 1953-01-13 1953-01-13 Geschwindigkeitsabhaengige Schaltvorrichtung
GB37454A GB751224A (en) 1954-01-06 1954-01-06 Velocity-dependent measuring and control systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37454A GB751224A (en) 1954-01-06 1954-01-06 Velocity-dependent measuring and control systems

Publications (1)

Publication Number Publication Date
GB751224A true GB751224A (en) 1956-06-27

Family

ID=9703288

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37454A Expired GB751224A (en) 1953-01-13 1954-01-06 Velocity-dependent measuring and control systems

Country Status (2)

Country Link
FR (1) FR1094623A (enrdf_load_stackoverflow)
GB (1) GB751224A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221268A1 (de) * 2009-02-20 2010-08-25 DEKRA Testing & Inspection GmbH Verfahren und Anordnung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194326B (de) * 1962-12-20 1965-06-03 Nabenfabrik Alfing Kessler K G Fertigungsstrasse mit elektrohydraulisch gesteuerten Werkzeugmaschinen und brueckenartigen Aufbauten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221268A1 (de) * 2009-02-20 2010-08-25 DEKRA Testing & Inspection GmbH Verfahren und Anordnung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs
EP2650245A3 (de) * 2009-02-20 2014-01-15 DEKRA Industrial GmbH Anordnung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit eines Aufzugs

Also Published As

Publication number Publication date
FR1094623A (enrdf_load_stackoverflow) 1955-05-23

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