GB9221021D0 - Pressure sensing capactitor and transducer - Google Patents

Pressure sensing capactitor and transducer

Info

Publication number
GB9221021D0
GB9221021D0 GB929221021A GB9221021A GB9221021D0 GB 9221021 D0 GB9221021 D0 GB 9221021D0 GB 929221021 A GB929221021 A GB 929221021A GB 9221021 A GB9221021 A GB 9221021A GB 9221021 D0 GB9221021 D0 GB 9221021D0
Authority
GB
United Kingdom
Prior art keywords
capactitor
transducer
pressure sensing
sensing
pressure
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
GB929221021A
Other versions
GB2258313A (en
GB2258313B (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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB909007948A external-priority patent/GB9007948D0/en
Application filed by Individual filed Critical Individual
Priority to GB9221021A priority Critical patent/GB2258313B/en
Publication of GB9221021D0 publication Critical patent/GB9221021D0/en
Publication of GB2258313A publication Critical patent/GB2258313A/en
Application granted granted Critical
Publication of GB2258313B publication Critical patent/GB2258313B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass
GB9221021A 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer Expired - Fee Related GB2258313B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9221021A GB2258313B (en) 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909007948A GB9007948D0 (en) 1990-04-07 1990-04-07 Designs for low cost,sensitive pressure sensors
PCT/GB1991/000523 WO1991015742A2 (en) 1990-04-07 1991-04-04 Pressure sensing capacitor, and transducer
GB9221021A GB2258313B (en) 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer

Publications (3)

Publication Number Publication Date
GB9221021D0 true GB9221021D0 (en) 1992-12-02
GB2258313A GB2258313A (en) 1993-02-03
GB2258313B GB2258313B (en) 1993-12-15

Family

ID=26296915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9221021A Expired - Fee Related GB2258313B (en) 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer

Country Status (1)

Country Link
GB (1) GB2258313B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422125A (en) * 1982-05-21 1983-12-20 The Bendix Corporation Pressure transducer with an invariable reference capacitor
US4490773A (en) * 1983-12-19 1984-12-25 United Technologies Corporation Capacitive pressure transducer
US4683758A (en) * 1986-01-16 1987-08-04 Ford Motor Company Device for measuring stresses in vacuum deposition coatings

Also Published As

Publication number Publication date
GB2258313A (en) 1993-02-03
GB2258313B (en) 1993-12-15

Similar Documents

Publication Publication Date Title
GB2250816B (en) Pressure sensor
EP0436920A3 (en) Pressure sensor
EP0445382A3 (en) Pressure transducer and its manufacturing method
IE901049L (en) Pressure sensor
IL106838A0 (en) Pressure sensor
EP0436158A3 (en) Solid state pressure sensor
EP0715158A3 (en) Electrochemical force and pressure sensor
EP0492969A3 (en) Ribbed and bossed pressure transducer
GB2254141B (en) Pressure transducer
GB9302581D0 (en) Electrodynamic transducer with integrated pressure sensor
EP0407587A4 (en) Pressure sensor
GB9202146D0 (en) Pressure sensor
GB8809617D0 (en) Pressure sensor
GB9001708D0 (en) Pressure gauge
EP0472201A3 (en) Pressure transducer
GB2250595B (en) Pressure gauge
GB9217443D0 (en) Pressure sensor
GB2246203B (en) Pressure and temperature sensor
GB9117531D0 (en) Pressure sensor
EP0508517A3 (en) Differential pressure transducer
EP0500945A4 (en) Pressure sensor
EP0496890A4 (en) Pressure sensor
GB2229816B (en) Pressure sensor
GB2242025B (en) Pressure sensor
EP0508249A3 (en) Pressure sensor

Legal Events

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

Effective date: 19950404