GB2123962B - Electronic tachometer for vehicles having different tyre diameters - Google Patents

Electronic tachometer for vehicles having different tyre diameters

Info

Publication number
GB2123962B
GB2123962B GB08316707A GB8316707A GB2123962B GB 2123962 B GB2123962 B GB 2123962B GB 08316707 A GB08316707 A GB 08316707A GB 8316707 A GB8316707 A GB 8316707A GB 2123962 B GB2123962 B GB 2123962B
Authority
GB
United Kingdom
Prior art keywords
vehicles
electronic tachometer
different tyre
diameters
tyre diameters
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
GB08316707A
Other versions
GB2123962A (en
GB8316707D0 (en
Inventor
Giorgio Maggia
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.)
Fratelli Borletti SpA
Borletti SpA
Original Assignee
Fratelli Borletti SpA
Borletti SpA
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 Fratelli Borletti SpA, Borletti SpA filed Critical Fratelli Borletti SpA
Publication of GB8316707D0 publication Critical patent/GB8316707D0/en
Publication of GB2123962A publication Critical patent/GB2123962A/en
Application granted granted Critical
Publication of GB2123962B publication Critical patent/GB2123962B/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
    • G01P3/42—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
    • 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
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/16—Measuring arrangements giving results other than momentary value of variable, of general application giving a value which is a function of two or more values, e.g. product or ratio

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
  • Indicating Measured Values (AREA)
GB08316707A 1982-07-09 1983-06-20 Electronic tachometer for vehicles having different tyre diameters Expired GB2123962B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67876/82A IT1156062B (en) 1982-07-09 1982-07-09 SPEEDOMETER DEVICE WITH ELECTRONIC CONTROL

Publications (3)

Publication Number Publication Date
GB8316707D0 GB8316707D0 (en) 1983-07-20
GB2123962A GB2123962A (en) 1984-02-08
GB2123962B true GB2123962B (en) 1985-07-10

Family

ID=11306003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08316707A Expired GB2123962B (en) 1982-07-09 1983-06-20 Electronic tachometer for vehicles having different tyre diameters

Country Status (5)

Country Link
DE (1) DE3324568A1 (en)
ES (1) ES523924A0 (en)
FR (1) FR2530030A1 (en)
GB (1) GB2123962B (en)
IT (1) IT1156062B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627591B1 (en) * 1988-02-22 1990-08-03 Jaeger IMPROVED TACHYMETRIC DEVICE
AT393328B (en) * 1990-02-08 1991-09-25 Steyr Daimler Puch Ag ELECTRONIC SPEEDOMETER
DE4020360A1 (en) * 1990-06-27 1992-01-02 Bodenseewerk Geraetetech CIRCUIT ARRANGEMENT FOR COMPARING A MEASURING FREQUENCY WITH A REFERENCE FREQUENCY MULTIPLIED BY A FACTOR
US20150035517A1 (en) * 2013-07-30 2015-02-05 Delphi Technologies, Inc. Vehicle instrument panel with magnet equipped pointer
CN111024977B (en) * 2019-12-26 2021-07-02 天津津航计算技术研究所 Signal detection method of speed sensor based on eddy current principle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1225904A (en) * 1969-06-06 1971-03-24
DE2648021C3 (en) * 1976-10-23 1983-02-17 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Circuit arrangement for speed measurement and distance counting, in particular for tachographs
DE2730699A1 (en) * 1977-07-07 1979-01-18 Vdo Schindling DEVICE FOR DISPLAYING A MECHANICAL MEASURING SIZE, IN PARTICULAR THE SPEED OF A MOTOR VEHICLE
DE3037418A1 (en) * 1980-10-03 1982-05-06 Vdo Adolf Schindling Ag, 6000 Frankfurt Adjustable distance matching w.r.t. revolution rate for vehicles - using variable pulse divider with switched voltage sources and tachometer

Also Published As

Publication number Publication date
IT1156062B (en) 1987-01-28
DE3324568A1 (en) 1984-01-12
GB2123962A (en) 1984-02-08
IT8267876A0 (en) 1982-07-09
ES8405524A1 (en) 1984-06-01
FR2530030B3 (en) 1985-02-08
DE3324568C2 (en) 1992-03-26
FR2530030A1 (en) 1984-01-13
ES523924A0 (en) 1984-06-01
GB8316707D0 (en) 1983-07-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970620