CH499833A - Tachograph for vehicle - Google Patents

Tachograph for vehicle

Info

Publication number
CH499833A
CH499833A CH83569A CH83569A CH499833A CH 499833 A CH499833 A CH 499833A CH 83569 A CH83569 A CH 83569A CH 83569 A CH83569 A CH 83569A CH 499833 A CH499833 A CH 499833A
Authority
CH
Switzerland
Prior art keywords
tachograph
vehicle
Prior art date
Application number
CH83569A
Other languages
German (de)
Inventor
Frederick Lacey Albert
Frederick Fellerman Bernard
Antony Clements John
Original Assignee
Smiths Industries Ltd
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 Smiths Industries Ltd filed Critical Smiths Industries Ltd
Publication of CH499833A publication Critical patent/CH499833A/en

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
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Measured Values (AREA)
  • Control Of Stepping Motors (AREA)
CH83569A 1968-01-25 1969-01-21 Tachograph for vehicle CH499833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB405468 1968-01-25

Publications (1)

Publication Number Publication Date
CH499833A true CH499833A (en) 1970-11-30

Family

ID=9769860

Family Applications (1)

Application Number Title Priority Date Filing Date
CH83569A CH499833A (en) 1968-01-25 1969-01-21 Tachograph for vehicle

Country Status (4)

Country Link
CH (1) CH499833A (en)
DE (1) DE1903370A1 (en)
FR (1) FR2000711A1 (en)
GB (1) GB1251041A (en)

Also Published As

Publication number Publication date
FR2000711A1 (en) 1969-09-12
GB1251041A (en) 1971-10-27
DE1903370A1 (en) 1969-09-11

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Legal Events

Date Code Title Description
PL Patent ceased