GB2013896B - Tachometer and electrical circuit therefore - Google Patents

Tachometer and electrical circuit therefore

Info

Publication number
GB2013896B
GB2013896B GB7905625A GB7905625A GB2013896B GB 2013896 B GB2013896 B GB 2013896B GB 7905625 A GB7905625 A GB 7905625A GB 7905625 A GB7905625 A GB 7905625A GB 2013896 B GB2013896 B GB 2013896B
Authority
GB
United Kingdom
Prior art keywords
tachometer
electrical circuit
electrical
circuit
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
GB7905625A
Other versions
GB2013896A (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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB7905625A priority Critical patent/GB2013896B/en
Publication of GB2013896A publication Critical patent/GB2013896A/en
Application granted granted Critical
Publication of GB2013896B publication Critical patent/GB2013896B/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
    • 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
    • G01P3/489—Digital circuits therefor
GB7905625A 1978-02-01 1979-02-16 Tachometer and electrical circuit therefore Expired GB2013896B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7905625A GB2013896B (en) 1978-02-01 1979-02-16 Tachometer and electrical circuit therefore

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB400278 1978-02-01
GB7905625A GB2013896B (en) 1978-02-01 1979-02-16 Tachometer and electrical circuit therefore

Publications (2)

Publication Number Publication Date
GB2013896A GB2013896A (en) 1979-08-15
GB2013896B true GB2013896B (en) 1982-04-28

Family

ID=26238749

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7905625A Expired GB2013896B (en) 1978-02-01 1979-02-16 Tachometer and electrical circuit therefore

Country Status (1)

Country Link
GB (1) GB2013896B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57189588A (en) * 1981-05-18 1982-11-20 Fanuc Ltd Speed detecting system
US4485452A (en) * 1982-03-22 1984-11-27 The Bendix Corporation Speed measurement system
JPS6281570A (en) * 1985-10-04 1987-04-15 Mitsubishi Electric Corp Speed detector
CH672846A5 (en) * 1987-03-16 1989-12-29 Jd Technologie Ag
FR2634896B3 (en) * 1988-07-28 1990-07-20 Siderurgie Fse Inst Rech METHOD AND DEVICE FOR MEASURING THE AVERAGE ROTATION SPEED IN A TIME INTERVAL, AND APPLICATIONS TO ROLLERS
AT1407U1 (en) * 1992-05-18 1997-04-25 Elin Energieversorgung METHOD FOR DETERMINING CHARACTERISTICS OF A ROTATING MACHINE
US6073087A (en) * 1996-11-20 2000-06-06 Philips Electronics North America Corporation Digital tachometer

Also Published As

Publication number Publication date
GB2013896A (en) 1979-08-15

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Legal Events

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