GB1251374A - - Google Patents

Info

Publication number
GB1251374A
GB1251374A GB1251374DA GB1251374A GB 1251374 A GB1251374 A GB 1251374A GB 1251374D A GB1251374D A GB 1251374DA GB 1251374 A GB1251374 A GB 1251374A
Authority
GB
United Kingdom
Prior art keywords
pulse
transducer
circuit
gate
vehicle
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
Other languages
English (en)
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 filed Critical
Publication of GB1251374A publication Critical patent/GB1251374A/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
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/106—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the time duration between two impulses with a reference time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
GB1251374D 1968-02-09 1968-02-09 Expired GB1251374A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB645368 1968-02-09

Publications (1)

Publication Number Publication Date
GB1251374A true GB1251374A (enrdf_load_stackoverflow) 1971-10-27

Family

ID=9814745

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251374D Expired GB1251374A (enrdf_load_stackoverflow) 1968-02-09 1968-02-09

Country Status (1)

Country Link
GB (1) GB1251374A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174765A (en) 1976-07-21 1979-11-20 Moshal John H Vehicle control speed sensing method
US4225006A (en) 1975-07-23 1980-09-30 Murray Alan B Vehicle control speed sensing method and apparatus
DE2931622A1 (de) * 1979-08-03 1981-02-12 Aral Ag Einrichtung zur anzeige einer bestimmten drehzahlgrenze
DE3040226A1 (de) * 1979-10-24 1981-05-07 Nissan Motor Co., Ltd., Yokohama, Kanagawa Akustische informations- und warneinrichtung fuer kraftfahrzeuge mit geschwindigkeitssteuergeraet
GB2146861A (en) * 1983-09-14 1985-04-24 Plessey Co Plc Digital frequency discriminator
GB2193826A (en) * 1986-08-14 1988-02-17 Nittan Co Ltd Environmental abnormality detection apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225006A (en) 1975-07-23 1980-09-30 Murray Alan B Vehicle control speed sensing method and apparatus
US4174765A (en) 1976-07-21 1979-11-20 Moshal John H Vehicle control speed sensing method
DE2931622A1 (de) * 1979-08-03 1981-02-12 Aral Ag Einrichtung zur anzeige einer bestimmten drehzahlgrenze
DE3040226A1 (de) * 1979-10-24 1981-05-07 Nissan Motor Co., Ltd., Yokohama, Kanagawa Akustische informations- und warneinrichtung fuer kraftfahrzeuge mit geschwindigkeitssteuergeraet
GB2146861A (en) * 1983-09-14 1985-04-24 Plessey Co Plc Digital frequency discriminator
GB2193826A (en) * 1986-08-14 1988-02-17 Nittan Co Ltd Environmental abnormality detection apparatus
GB2193826B (en) * 1986-08-14 1990-04-25 Nittan Co Ltd Environmental abnormality detection apparatus

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Legal Events

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