GB8405387D0 - Tachometers &c - Google Patents

Tachometers &c

Info

Publication number
GB8405387D0
GB8405387D0 GB848405387A GB8405387A GB8405387D0 GB 8405387 D0 GB8405387 D0 GB 8405387D0 GB 848405387 A GB848405387 A GB 848405387A GB 8405387 A GB8405387 A GB 8405387A GB 8405387 D0 GB8405387 D0 GB 8405387D0
Authority
GB
United Kingdom
Prior art keywords
tachometers
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Withdrawn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
GB848405387A
Other versions
GB2155619A (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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08405387A priority Critical patent/GB2155619A/en
Publication of GB8405387D0 publication Critical patent/GB8405387D0/en
Publication of GB2155619A publication Critical patent/GB2155619A/en
Withdrawn legal-status Critical Current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
    • G01P3/486—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 delivered by photo-electric detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GB08405387A 1984-03-01 1984-03-01 Rotation measuring devices, tachometers Withdrawn GB2155619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08405387A GB2155619A (en) 1984-03-01 1984-03-01 Rotation measuring devices, tachometers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08405387A GB2155619A (en) 1984-03-01 1984-03-01 Rotation measuring devices, tachometers

Publications (2)

Publication Number Publication Date
GB8405387D0 true GB8405387D0 (en) 1984-04-04
GB2155619A GB2155619A (en) 1985-09-25

Family

ID=10557418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08405387A Withdrawn GB2155619A (en) 1984-03-01 1984-03-01 Rotation measuring devices, tachometers

Country Status (1)

Country Link
GB (1) GB2155619A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767164A (en) * 1985-10-09 1988-08-30 Crane Co. Fiber optic rotation rate encoder
EP0221333A1 (en) * 1985-10-09 1987-05-13 Crane Co. Fiber optic rotation rate encoder
GB2438872A (en) * 2006-06-09 2007-12-12 Univ Southampton Movement detector apparatus and detecting method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB946140A (en) * 1961-05-04 1964-01-08 Ford Motor Co Improvements in or relating to torquemeters
GB1312797A (en) * 1970-08-11 1973-04-04 Girling Ltd Vehicle braking systems
DE2110017C3 (en) * 1971-03-03 1974-04-25 Maschf Augsburg Nuernberg Ag Pressure-tight device for photoelectric speed measurements on rotors
GB1432502A (en) * 1974-04-26 1976-04-22 Lumenition Ltd Devices for measuring shaft rpm
SE417137B (en) * 1979-05-31 1981-02-23 Asea Ab OPTICAL METHOD FOR SEATING MAGNETIC AND ELECTRICAL FIELDS
US4387299A (en) * 1979-06-25 1983-06-07 Yazaki Sogyo Kabushiki Kaisha Travel-distance signal generator for vehicles

Also Published As

Publication number Publication date
GB2155619A (en) 1985-09-25

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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)