GB2235773B - Sensors - Google Patents

Sensors

Info

Publication number: GB2235773B
Authority: GB; United Kingdom
Prior art keywords: sensors
Prior art date: 1989-08-30
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 - Fee Related

Inventor

Philip Parsons

Jolyon Peter Willson

Eric Metcalf

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.)

Gemalto Terminals Ltd

Original Assignee

Schlumberger Industries 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.)

1989-08-30

Filing date

1990-08-03

Publication date

1993-12-22

1989-08-30Priority claimed from GB898919573Aexternal-prioritypatent/GB8919573D0/en

1990-08-03Application filed by Schlumberger Industries LtdfiledCriticalSchlumberger Industries Ltd

1990-08-03Priority to GB9017082ApriorityCriticalpatent/GB2235773B/en

1990-09-19Publication of GB9017082D0publicationCriticalpatent/GB9017082D0/en

1991-03-13Publication of GB2235773ApublicationCriticalpatent/GB2235773A/en

1993-12-22Application grantedgrantedCritical

1993-12-22Publication of GB2235773BpublicationCriticalpatent/GB2235773B/en

2010-08-03Anticipated expirationlegal-statusCritical

StatusExpired - Fee Relatedlegal-statusCriticalCurrent

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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0019—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a semiconductive element
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
- 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0019—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a semiconductive element
- G01L9/002—Optical excitation or measuring
- 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
- 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
- G01L9/0023—Optical excitation or measuring

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measuring Fluid Pressure (AREA)

GB9017082A1989-08-301990-08-03SensorsExpired - Fee RelatedGB2235773B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9017082AGB2235773B (en)	1989-08-30	1990-08-03	Sensors

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB898919573AGB8919573D0 (en)	1989-08-30	1989-08-30	Sensors
GB909010660AGB9010660D0 (en)	1989-08-30	1990-05-11	Sensors
GB9017082AGB2235773B (en)	1989-08-30	1990-08-03	Sensors

Publications (3)

Publication Number	Publication Date
GB9017082D0 GB9017082D0 (en)	1990-09-19
GB2235773A GB2235773A (en)	1991-03-13
GB2235773Btrue GB2235773B (en)	1993-12-22

Family

ID=27264656

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9017082AExpired - Fee RelatedGB2235773B (en)	1989-08-30	1990-08-03	Sensors

Country Status (1)

Country	Link
GB (1)	GB2235773B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5989190A (en)*	1994-01-27	1999-11-23	Mizur Technology, Ltd.	Passive sensor system using ultrasonic energy
IL108470A (en)*	1994-01-28	1998-12-06	Mizur Technology Ltd	Passive sensor system using ultrasonic energy
US6770032B2 (en)	2001-12-03	2004-08-03	Microsense Cardiovascular Systems 1996	Passive ultrasonic sensors, methods and systems for their use
GB0206510D0 (en)	2002-03-20	2002-05-01	Qinetiq Ltd	Micro-Electromechanical systems

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1987000618A1 (en)*	1985-07-16	1987-01-29	The Foxboro Company	Method and apparatus for sensing a measurand
GB2185106A (en)*	1985-12-13	1987-07-08	Gen Electric Co Plc	An optically-driven vibrating sensor
GB2208931A (en)*	1987-08-19	1989-04-19	Stc Plc	An optically driven mechanical oscillator
GB2218809A (en)*	1988-05-20	1989-11-22	Asea Brown Boveri	Temperature measuring using quartz oscillators
GB2223311A (en)*	1988-09-29	1990-04-04	Schlumberger Ind Ltd	Micromachined solid state vibrating element sensors
GB2229816A (en)*	1989-03-31	1990-10-03	Stc Plc	Resonating element differential pressure sensor

1990
- 1990-08-03GBGB9017082Apatent/GB2235773B/ennot_activeExpired - Fee Related

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1987000618A1 (en)*	1985-07-16	1987-01-29	The Foxboro Company	Method and apparatus for sensing a measurand
GB2185106A (en)*	1985-12-13	1987-07-08	Gen Electric Co Plc	An optically-driven vibrating sensor
GB2208931A (en)*	1987-08-19	1989-04-19	Stc Plc	An optically driven mechanical oscillator
GB2218809A (en)*	1988-05-20	1989-11-22	Asea Brown Boveri	Temperature measuring using quartz oscillators
GB2223311A (en)*	1988-09-29	1990-04-04	Schlumberger Ind Ltd	Micromachined solid state vibrating element sensors
GB2229816A (en)*	1989-03-31	1990-10-03	Stc Plc	Resonating element differential pressure sensor

Also Published As

Publication number	Publication date
GB9017082D0 (en)	1990-09-19
GB2235773A (en)	1991-03-13

Publication	Publication Date	Title
GB2223311B (en)	1992-04-08	Sensors
GB8927776D0 (en)	1990-02-14	Sensor
GB2251308B (en)	1994-09-07	Sensors
GB9122882D0 (en)	1991-12-11	Sensor systems
EP0410097A3 (en)	1991-05-08	Force sensor
GB8911274D0 (en)	1989-07-05	Proximity sensor
GB2219656B (en)	1992-01-29	Sensors
GB9027288D0 (en)	1991-02-06	Sensor
GB9016147D0 (en)	1990-09-05	Sensor
GB2250822B (en)	1993-08-11	Proximity sensor
GB8928395D0 (en)	1990-02-21	Sensor
HU902220D0 (en)	1991-11-28	Sensor
GB2235773B (en)	1993-12-22	Sensors
GB8924159D0 (en)	1989-12-13	Sensors
GB2224886B (en)	1992-10-28	High-temperature-fluid sensor
GB2243244B (en)	1994-11-16	Sensors
GB9014232D0 (en)	1990-08-15	Level sensor
GB2215549B (en)	1992-02-12	Sensor
GB8818802D0 (en)	1988-09-07	Sensor
GB8923374D0 (en)	1989-12-06	Sensor
EP0436351A3 (en)	1992-09-02	Sensor
GB2226137B (en)	1992-08-12	Ppatlacement sensor
GB8822877D0 (en)	1988-11-02	Sensors
GB9010660D0 (en)	1990-07-04	Sensors
GB2252886B (en)	1994-03-09	I C Sensor

Legal Events

Date	Code	Title	Description
1997-04-09	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2004-03-24	PCNP	Patent ceased through non-payment of renewal fee	Effective date:20030803

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