GB9422328D0 - Engine rotational speed detection - Google Patents

Engine rotational speed detection

Info

Publication number
GB9422328D0
GB9422328D0 GB9422328A GB9422328A GB9422328D0 GB 9422328 D0 GB9422328 D0 GB 9422328D0 GB 9422328 A GB9422328 A GB 9422328A GB 9422328 A GB9422328 A GB 9422328A GB 9422328 D0 GB9422328 D0 GB 9422328D0
Authority
GB
United Kingdom
Prior art keywords
rotational speed
speed detection
engine rotational
engine
detection
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.)
Withdrawn
Application number
GB9422328A
Other versions
GB2294769A (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.)
CHENG KAI L
Original Assignee
CHENG KAI L
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 CHENG KAI L filed Critical CHENG KAI L
Priority to GB9422328A priority Critical patent/GB2294769A/en
Publication of GB9422328D0 publication Critical patent/GB9422328D0/en
Publication of GB2294769A publication Critical patent/GB2294769A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/1004—Alarm systems characterised by the type of sensor, e.g. current sensing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB9422328A 1994-11-04 1994-11-04 Engine rotational speed detection Withdrawn GB2294769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9422328A GB2294769A (en) 1994-11-04 1994-11-04 Engine rotational speed detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9422328A GB2294769A (en) 1994-11-04 1994-11-04 Engine rotational speed detection

Publications (2)

Publication Number Publication Date
GB9422328D0 true GB9422328D0 (en) 1994-12-21
GB2294769A GB2294769A (en) 1996-05-08

Family

ID=10763932

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9422328A Withdrawn GB2294769A (en) 1994-11-04 1994-11-04 Engine rotational speed detection

Country Status (1)

Country Link
GB (1) GB2294769A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2791935B1 (en) * 1999-04-09 2001-06-08 Pierre Frederic Bonzom ANTI-THEFT DEVICE FOR VEHICLES
JP3503614B2 (en) 2000-07-05 2004-03-08 株式会社デンソー Vehicle anti-theft device
US6639511B2 (en) 2000-07-05 2003-10-28 Denso Corporation Anti-theft system for vehicles having remote-controlled engine starting function
DE10059991A1 (en) * 2000-12-02 2002-06-06 Bosch Gmbh Robert Device for the keyless operation of a motor vehicle
KR100510708B1 (en) * 2003-04-09 2005-08-26 현대모비스 주식회사 Auto volume controlling device tuned by car speed and its operating method
FR2888322B1 (en) * 2005-07-06 2007-10-12 Peugeot Citroen Automobiles Sa METHOD AND SYSTEM FOR ESTIMATING THE ROTATION RATE OF A MOTOR VEHICLE ENGINE.
FR2888881B1 (en) * 2005-07-21 2007-09-28 Kerlink Sa METHOD AND DEVICE FOR DETECTING THE CONDITION OF THE ENGINE OF A VEHICLE, VEHICLE AND CORRESPONDING APPLICATIONS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004273A (en) * 1975-08-28 1977-01-18 Kalogerson Thomas A Engine speed responsive anti-theft device for vehicle
DE3923532A1 (en) * 1989-07-15 1991-01-24 Bosch Gmbh Robert METHOD FOR DETERMINING THE SPEEDS OF AN INTERNAL COMBUSTION ENGINE

Also Published As

Publication number Publication date
GB2294769A (en) 1996-05-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)