GB2420179B - Vehicle speed detection apparatus - Google Patents

Vehicle speed detection apparatus

Info

Publication number
GB2420179B
GB2420179B GB0424881A GB0424881A GB2420179B GB 2420179 B GB2420179 B GB 2420179B GB 0424881 A GB0424881 A GB 0424881A GB 0424881 A GB0424881 A GB 0424881A GB 2420179 B GB2420179 B GB 2420179B
Authority
GB
United Kingdom
Prior art keywords
vehicle speed
detection apparatus
speed detection
vehicle
speed
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 - Fee Related
Application number
GB0424881A
Other versions
GB2420179A (en
GB0424881D0 (en
Inventor
Stephen Chen
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.)
E Lead Electronic Co Ltd
Original Assignee
E Lead Electronic 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 E Lead Electronic Co Ltd filed Critical E Lead Electronic Co Ltd
Priority to GB0424881A priority Critical patent/GB2420179B/en
Publication of GB0424881D0 publication Critical patent/GB0424881D0/en
Publication of GB2420179A publication Critical patent/GB2420179A/en
Application granted granted Critical
Publication of GB2420179B publication Critical patent/GB2420179B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
    • G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
    • 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
    • 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
    • G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P7/00—Measuring speed by integrating acceleration

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Navigation (AREA)
GB0424881A 2004-11-11 2004-11-11 Vehicle speed detection apparatus Expired - Fee Related GB2420179B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0424881A GB2420179B (en) 2004-11-11 2004-11-11 Vehicle speed detection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0424881A GB2420179B (en) 2004-11-11 2004-11-11 Vehicle speed detection apparatus

Publications (3)

Publication Number Publication Date
GB0424881D0 GB0424881D0 (en) 2004-12-15
GB2420179A GB2420179A (en) 2006-05-17
GB2420179B true GB2420179B (en) 2006-10-18

Family

ID=33523531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0424881A Expired - Fee Related GB2420179B (en) 2004-11-11 2004-11-11 Vehicle speed detection apparatus

Country Status (1)

Country Link
GB (1) GB2420179B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2523095B (en) * 2014-02-12 2018-01-31 Jaguar Land Rover Ltd Apparatus and method for use in a vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702334A (en) * 1985-11-08 1987-10-27 Jidosha Kiki Co., Ltd. Control device for power steering apparatus
EP0742641A2 (en) * 1995-05-11 1996-11-13 Victor Company Of Japan, Limited On-vehicle sound control apparatus
JPH09113307A (en) * 1995-10-20 1997-05-02 Sumitomo Electric Ind Ltd Traveling parameter detecting device
JPH09159472A (en) * 1995-12-06 1997-06-20 Victor Co Of Japan Ltd Estimation device for gear position, prediction device for vehicle speed and navigation apparatus for moving body using it
JPH11194034A (en) * 1997-12-26 1999-07-21 Matsushita Electric Ind Co Ltd Travel distance measuring instrument

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702334A (en) * 1985-11-08 1987-10-27 Jidosha Kiki Co., Ltd. Control device for power steering apparatus
EP0742641A2 (en) * 1995-05-11 1996-11-13 Victor Company Of Japan, Limited On-vehicle sound control apparatus
JPH09113307A (en) * 1995-10-20 1997-05-02 Sumitomo Electric Ind Ltd Traveling parameter detecting device
JPH09159472A (en) * 1995-12-06 1997-06-20 Victor Co Of Japan Ltd Estimation device for gear position, prediction device for vehicle speed and navigation apparatus for moving body using it
JPH11194034A (en) * 1997-12-26 1999-07-21 Matsushita Electric Ind Co Ltd Travel distance measuring instrument

Also Published As

Publication number Publication date
GB2420179A (en) 2006-05-17
GB0424881D0 (en) 2004-12-15

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Legal Events

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

Effective date: 20081111