GB2084325B - Digital display instrument for motor vehicles - Google Patents

Digital display instrument for motor vehicles

Info

Publication number
GB2084325B
GB2084325B GB8028870A GB8028870A GB2084325B GB 2084325 B GB2084325 B GB 2084325B GB 8028870 A GB8028870 A GB 8028870A GB 8028870 A GB8028870 A GB 8028870A GB 2084325 B GB2084325 B GB 2084325B
Authority
GB
United Kingdom
Prior art keywords
motor vehicles
digital display
display instrument
instrument
digital
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
GB8028870A
Other versions
GB2084325A (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.)
Rover Co Ltd
Original Assignee
Rover Co 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 Rover Co Ltd filed Critical Rover Co Ltd
Priority to GB8028870A priority Critical patent/GB2084325B/en
Publication of GB2084325A publication Critical patent/GB2084325A/en
Application granted granted Critical
Publication of GB2084325B publication Critical patent/GB2084325B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D7/00—Indicating measured values
    • 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
    • G01P3/4807—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 by using circuits for the detection of the pulses delivered by the ignition system of an internal combustion engine
    • 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
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Instrument Panels (AREA)
  • Indicating Measured Values (AREA)
GB8028870A 1980-09-06 1980-09-06 Digital display instrument for motor vehicles Expired GB2084325B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8028870A GB2084325B (en) 1980-09-06 1980-09-06 Digital display instrument for motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8028870A GB2084325B (en) 1980-09-06 1980-09-06 Digital display instrument for motor vehicles

Publications (2)

Publication Number Publication Date
GB2084325A GB2084325A (en) 1982-04-07
GB2084325B true GB2084325B (en) 1984-06-13

Family

ID=10515909

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8028870A Expired GB2084325B (en) 1980-09-06 1980-09-06 Digital display instrument for motor vehicles

Country Status (1)

Country Link
GB (1) GB2084325B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2228641B (en) * 1989-02-28 1994-03-23 Megger Instr Ltd Measuring instrument

Also Published As

Publication number Publication date
GB2084325A (en) 1982-04-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee