GB8307656D0 - Presence detection - Google Patents

Presence detection

Info

Publication number
GB8307656D0
GB8307656D0 GB838307656A GB8307656A GB8307656D0 GB 8307656 D0 GB8307656 D0 GB 8307656D0 GB 838307656 A GB838307656 A GB 838307656A GB 8307656 A GB8307656 A GB 8307656A GB 8307656 D0 GB8307656 D0 GB 8307656D0
Authority
GB
United Kingdom
Prior art keywords
presence detection
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.)
Granted
Application number
GB838307656A
Other versions
GB2139035A (en
GB2139035B (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.)
Ogden Electronics Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
Ogden Electronics 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 Marconi Co Ltd, Ogden Electronics Ltd filed Critical Marconi Co Ltd
Priority to GB08307656A priority Critical patent/GB2139035B/en
Publication of GB8307656D0 publication Critical patent/GB8307656D0/en
Publication of GB2139035A publication Critical patent/GB2139035A/en
Application granted granted Critical
Publication of GB2139035B publication Critical patent/GB2139035B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9317—Driving backwards
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/93185—Controlling the brakes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327—Sensor installation details
    • G01S2013/93272—Sensor installation details in the back of the vehicles
GB08307656A 1983-03-18 1983-03-18 Radar vehicle braking control Expired GB2139035B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08307656A GB2139035B (en) 1983-03-18 1983-03-18 Radar vehicle braking control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08307656A GB2139035B (en) 1983-03-18 1983-03-18 Radar vehicle braking control

Publications (3)

Publication Number Publication Date
GB8307656D0 true GB8307656D0 (en) 1983-04-27
GB2139035A GB2139035A (en) 1984-10-31
GB2139035B GB2139035B (en) 1987-06-03

Family

ID=10539883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08307656A Expired GB2139035B (en) 1983-03-18 1983-03-18 Radar vehicle braking control

Country Status (1)

Country Link
GB (1) GB2139035B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7492306B2 (en) * 2006-03-24 2009-02-17 Tdk Corporation Boundary crossing object detection system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB892986A (en) * 1959-03-30 1962-04-04 Bendix Corp Selective range detecting system
GB887622A (en) * 1959-05-12 1962-01-24 Nat Res Dev A frequency-modulation echo-sounder
US3659293A (en) * 1970-06-02 1972-04-25 Bendix Corp Range-detecting doppler radar
DE2158793B2 (en) * 1971-11-26 1975-04-10 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Device for measuring and displaying the distance and / or the change in distance between a motor vehicle and an obstacle
GB1420917A (en) * 1971-12-18 1976-01-14 Lucas Industries Ltd Headway control systems for road vehicles
GB1495387A (en) * 1973-12-22 1977-12-14 Lucas Ltd Joseph Road vehicle radar system
DE2514868C3 (en) * 1975-04-04 1979-05-17 Standard Elektrik Lorenz Ag, 7000 Stuttgart FM beat-back reflector locator for simultaneous distance and speed measurement
DE2900825A1 (en) * 1979-01-11 1980-07-24 Standard Elektrik Lorenz Ag REFLECTOR DETECTOR FOR THE SIMULTANEOUS MEASUREMENT OF DISTANCE AND RELATIVE SPEED
GB2047405B (en) * 1979-03-29 1983-09-01 Craven G C Proximity warning devices for vehicles
US4243162A (en) * 1979-08-15 1981-01-06 Illinois Tool Works Inc. Vessel structure

Also Published As

Publication number Publication date
GB2139035A (en) 1984-10-31
GB2139035B (en) 1987-06-03

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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