GB2139358B - Piezo-resistive rotation transducer - Google Patents

Piezo-resistive rotation transducer

Info

Publication number
GB2139358B
GB2139358B GB08312279A GB8312279A GB2139358B GB 2139358 B GB2139358 B GB 2139358B GB 08312279 A GB08312279 A GB 08312279A GB 8312279 A GB8312279 A GB 8312279A GB 2139358 B GB2139358 B GB 2139358B
Authority
GB
United Kingdom
Prior art keywords
piezo
rotation transducer
resistive rotation
resistive
transducer
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
GB08312279A
Other versions
GB2139358A (en
GB8312279D0 (en
Inventor
John Christopher Greenwood
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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08312279A priority Critical patent/GB2139358B/en
Publication of GB8312279D0 publication Critical patent/GB8312279D0/en
Publication of GB2139358A publication Critical patent/GB2139358A/en
Application granted granted Critical
Publication of GB2139358B publication Critical patent/GB2139358B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/18—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying effective impedance of discharge tubes or semiconductor devices
    • G01D5/183—Sensing rotation or linear movement using strain, force or pressure sensors
    • G01D5/185—Sensing rotation or linear movement using strain, force or pressure sensors using piezoelectric sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB08312279A 1983-05-05 1983-05-05 Piezo-resistive rotation transducer Expired GB2139358B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08312279A GB2139358B (en) 1983-05-05 1983-05-05 Piezo-resistive rotation transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08312279A GB2139358B (en) 1983-05-05 1983-05-05 Piezo-resistive rotation transducer

Publications (3)

Publication Number Publication Date
GB8312279D0 GB8312279D0 (en) 1983-06-08
GB2139358A GB2139358A (en) 1984-11-07
GB2139358B true GB2139358B (en) 1986-10-01

Family

ID=10542194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08312279A Expired GB2139358B (en) 1983-05-05 1983-05-05 Piezo-resistive rotation transducer

Country Status (1)

Country Link
GB (1) GB2139358B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198740A (en) * 1989-10-04 1993-03-30 University Of Utah Research Foundation Sliding contact mechanical/electrical displacement transducer
US6308723B1 (en) 1998-11-18 2001-10-30 Alliedsignal, Inc. Piezo-resistive position indicator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327270A (en) * 1965-01-06 1967-06-20 Pneumo Dynamics Corp Semi-conductor sensing assembly
US4071838A (en) * 1976-02-09 1978-01-31 Diax Corporation Solid state force transducer and method of making same

Also Published As

Publication number Publication date
GB2139358A (en) 1984-11-07
GB8312279D0 (en) 1983-06-08

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Legal Events

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