GB947187A - A device for determining speeds of travel - Google Patents

A device for determining speeds of travel

Info

Publication number
GB947187A
GB947187A GB2819560A GB2819560A GB947187A GB 947187 A GB947187 A GB 947187A GB 2819560 A GB2819560 A GB 2819560A GB 2819560 A GB2819560 A GB 2819560A GB 947187 A GB947187 A GB 947187A
Authority
GB
United Kingdom
Prior art keywords
switch
relay
closes
circuit
travel
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
GB2819560A
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
Application filed by Individual filed Critical Individual
Publication of GB947187A publication Critical patent/GB947187A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
    • 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
    • G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
GB2819560A 1959-08-14 1960-08-15 A device for determining speeds of travel Expired GB947187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL242342 1959-08-14

Publications (1)

Publication Number Publication Date
GB947187A true GB947187A (en) 1964-01-22

Family

ID=19751873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2819560A Expired GB947187A (en) 1959-08-14 1960-08-15 A device for determining speeds of travel

Country Status (4)

Country Link
BE (1) BE593729A (forum.php)
CH (1) CH362252A (forum.php)
GB (1) GB947187A (forum.php)
LU (1) LU39060A1 (forum.php)

Also Published As

Publication number Publication date
BE593729A (nl) 1960-12-01
CH362252A (de) 1962-05-31
LU39060A1 (forum.php) 1960-10-06

Similar Documents

Publication Publication Date Title
GB947187A (en) A device for determining speeds of travel
JPS51115874A (en) Supersonic waves speed meter time indication interval switch method
CA609395A (en) Device for closing an opening
BE602715A (fr) Interrupteur d'acquit et de commande, pour la surveillance de la position d'interrupteurs, applicable notamment aux schémas électriques simulés
CA604537A (en) Traffic time signal device
FR1244275A (fr) Interrupteur électromagnétique commandé par filament chauffant, notamment pour clignotants d'indicateur de direction de véhicules
CA497960A (en) Closure member
CA490664A (en) Bottle closure
CA601757A (en) Device for monitoring the continuity of yarns, rovings and the like
CA598203A (en) Overhead monorail system and track switch therefor
AU160901B2 (en) Speed responsive switch
CA606110A (en) Pneumatic door closer device
CA494117A (en) Refrigerator truck safety switch
AU166110B2 (en) Improvements in switches or points for mono-track railways
AU245369B2 (en) Closure signal system
CA627529A (en) Inertia arming switch
AU253841B2 (en) An improved bottle and closure therefor
CA497997A (en) Magnetic bottle opener
AU161139B2 (en) An improved locking limiting device in horological movement
CA489339A (en) Washer and settler for gases
CA586664A (en) Positive opening and closing switch with wiping action
AU2096153A (en) Speed responsive switch
CA498052A (en) Electromagnetically actuated contactor with start and stop and hold-in switches
CA494432A (en) Selector switch signalling system for electric ranges and the like
CA593937A (en) Electromechanical device and improved armature therefor