GB2196741B - Apparatus for measuring speed - Google Patents

Apparatus for measuring speed

Info

Publication number
GB2196741B
GB2196741B GB8726412A GB8726412A GB2196741B GB 2196741 B GB2196741 B GB 2196741B GB 8726412 A GB8726412 A GB 8726412A GB 8726412 A GB8726412 A GB 8726412A GB 2196741 B GB2196741 B GB 2196741B
Authority
GB
United Kingdom
Prior art keywords
measuring speed
measuring
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 - Lifetime
Application number
GB8726412A
Other versions
GB8726412D0 (en
GB2196741A (en
Inventor
Bo Gunnar Mattsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB8726412D0 publication Critical patent/GB8726412D0/en
Publication of GB2196741A publication Critical patent/GB2196741A/en
Application granted granted Critical
Publication of GB2196741B publication Critical patent/GB2196741B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Traffic Control Systems (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
GB8726412A 1986-04-16 1987-04-14 Apparatus for measuring speed Expired - Lifetime GB2196741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8601740A SE452916B (en) 1986-04-16 1986-04-16 SPEED SAFETY DEVICE

Publications (3)

Publication Number Publication Date
GB8726412D0 GB8726412D0 (en) 1987-12-16
GB2196741A GB2196741A (en) 1988-05-05
GB2196741B true GB2196741B (en) 1990-09-05

Family

ID=20364218

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8726412A Expired - Lifetime GB2196741B (en) 1986-04-16 1987-04-14 Apparatus for measuring speed

Country Status (5)

Country Link
JP (1) JPS63503011A (en)
DE (1) DE3790190T1 (en)
GB (1) GB2196741B (en)
SE (1) SE452916B (en)
WO (1) WO1987006349A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19549003C1 (en) 1995-12-28 1997-02-13 Motzko Friedrich Dipl Ing Fh Speed measurement method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2303882A1 (en) * 1973-01-26 1974-08-01 Nipki Radioelektronika DEVICE FOR MEASURING THE SPEED OF VEHICLES
DE1673386B2 (en) * 1966-02-18 1975-04-03 Gebert, Franz Valentin, Lyttelton, Pretoria (Suedafrika) Measuring device for measuring the speed of vehicles
US3982123A (en) * 1974-11-11 1976-09-21 Bell Telephone Laboratories, Incorporated Optical fiber power taps
DK143006B (en) * 1975-03-20 1981-03-09 Goof Sven Karl Lennart ELECTRICAL CONTROL OR CONTACT BODY
EP0120999A2 (en) * 1983-03-30 1984-10-10 Licentia Patent-Verwaltungs-GmbH Fibre-optic sensor for force and pressure measurements, as well as for monitoring and protection purposes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1673386B2 (en) * 1966-02-18 1975-04-03 Gebert, Franz Valentin, Lyttelton, Pretoria (Suedafrika) Measuring device for measuring the speed of vehicles
DE2303882A1 (en) * 1973-01-26 1974-08-01 Nipki Radioelektronika DEVICE FOR MEASURING THE SPEED OF VEHICLES
US3982123A (en) * 1974-11-11 1976-09-21 Bell Telephone Laboratories, Incorporated Optical fiber power taps
DK143006B (en) * 1975-03-20 1981-03-09 Goof Sven Karl Lennart ELECTRICAL CONTROL OR CONTACT BODY
EP0120999A2 (en) * 1983-03-30 1984-10-10 Licentia Patent-Verwaltungs-GmbH Fibre-optic sensor for force and pressure measurements, as well as for monitoring and protection purposes

Also Published As

Publication number Publication date
GB8726412D0 (en) 1987-12-16
WO1987006349A1 (en) 1987-10-22
JPS63503011A (en) 1988-11-02
SE452916B (en) 1987-12-21
GB2196741A (en) 1988-05-05
SE8601740D0 (en) 1986-04-16
SE8601740L (en) 1987-10-17
DE3790190T1 (en) 1988-03-31

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20070413