GB288285A - Improvements relating to electric speed indicating apparatus - Google Patents

Improvements relating to electric speed indicating apparatus

Info

Publication number
GB288285A
GB288285A GB9580/28A GB958028A GB288285A GB 288285 A GB288285 A GB 288285A GB 9580/28 A GB9580/28 A GB 9580/28A GB 958028 A GB958028 A GB 958028A GB 288285 A GB288285 A GB 288285A
Authority
GB
United Kingdom
Prior art keywords
arm
lever
pawl
wheel
armature
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
GB9580/28A
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 GB288285A publication Critical patent/GB288285A/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
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/02—Devices characterised by the use of mechanical means
    • G01P3/10—Devices characterised by the use of mechanical means by actuating an indicating element, e.g. pointer, for a fixed time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB9580/28A 1927-03-12 1928-03-29 Improvements relating to electric speed indicating apparatus Expired GB288285A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR641889T 1927-03-12
FR543243X 1927-04-08

Publications (1)

Publication Number Publication Date
GB288285A true GB288285A (en) 1929-03-07

Family

ID=63721209

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9580/28A Expired GB288285A (en) 1927-03-12 1928-03-29 Improvements relating to electric speed indicating apparatus

Country Status (3)

Country Link
DE (1) DE543243C (de)
FR (2) FR641889A (de)
GB (1) GB288285A (de)

Also Published As

Publication number Publication date
DE543243C (de) 1932-02-03
FR641889A (fr) 1928-08-13
FR33730E (fr) 1929-02-22

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