GB1544856A - Pressure sensitive detectors - Google Patents

Pressure sensitive detectors

Info

Publication number
GB1544856A
GB1544856A GB51347/76A GB5134776A GB1544856A GB 1544856 A GB1544856 A GB 1544856A GB 51347/76 A GB51347/76 A GB 51347/76A GB 5134776 A GB5134776 A GB 5134776A GB 1544856 A GB1544856 A GB 1544856A
Authority
GB
United Kingdom
Prior art keywords
pressure sensitive
sensitive detectors
detectors
pressure
sensitive
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
GB51347/76A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB51347/76A priority Critical patent/GB1544856A/en
Priority to DE19772706211 priority patent/DE2706211A1/en
Priority to FR7735017A priority patent/FR2373784A1/en
Publication of GB1544856A publication Critical patent/GB1544856A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/022—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing wheeled or rolling bodies in motion
    • G01G19/024—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing wheeled or rolling bodies in motion using electrical weight-sensitive devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/13—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing having piezoelectric or piezoresistive properties
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/60—Piezoelectric or electrostrictive devices having a coaxial cable structure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
GB51347/76A 1976-12-09 1976-12-09 Pressure sensitive detectors Expired GB1544856A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB51347/76A GB1544856A (en) 1976-12-09 1976-12-09 Pressure sensitive detectors
DE19772706211 DE2706211A1 (en) 1976-12-09 1977-02-14 DETECTOR RESPONDING TO PRESSURE
FR7735017A FR2373784A1 (en) 1976-12-09 1977-11-22 PRESSURE DETECTION DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51347/76A GB1544856A (en) 1976-12-09 1976-12-09 Pressure sensitive detectors

Publications (1)

Publication Number Publication Date
GB1544856A true GB1544856A (en) 1979-04-25

Family

ID=10459647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51347/76A Expired GB1544856A (en) 1976-12-09 1976-12-09 Pressure sensitive detectors

Country Status (3)

Country Link
DE (1) DE2706211A1 (en)
FR (1) FR2373784A1 (en)
GB (1) GB1544856A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074114A1 (en) * 1981-09-08 1983-03-16 Brown University Research Foundation Catheter
US4794365A (en) * 1985-10-02 1988-12-27 Raychem Limited Pressure sensor
US4795998A (en) * 1984-05-04 1989-01-03 Raychem Limited Sensor array
US6526834B1 (en) 2000-08-23 2003-03-04 Measurement Specialties, Incorporated Piezoelectric sensor

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT375466B (en) * 1977-07-27 1984-08-10 List Hans MEASURING VALUE WITH A PIEZOELECTRIC MEASURING ELEMENT
FR2468694A1 (en) * 1979-10-31 1981-05-08 Automatisme Cie Gle Piezoelectric vehicle counting sensor cable - is surrounded by rubberised resin in channel across concrete roadway and avoids problem of multiple detectors
FR2471066A1 (en) * 1979-12-07 1981-06-12 France Etat Laying vehicle detecting cables in roadway - by surrounds piezoelectric filled coaxial cable with resilient cover set in resilient U=shaped layer to reduce vibration
DE3006656A1 (en) * 1980-02-22 1981-09-17 Robert Bosch Gmbh, 7000 Stuttgart Seal acting simultaneously as pressure monitoring sensor - consists of multilayer annular or coaxial electrodes and of dielectric
FR2482340A1 (en) * 1980-05-08 1981-11-13 Electronique Controle Mesure S Underground piezoelectric traffic counter cable - uses piezoelectric cable laid in u=shape to both count and detect direction of passing vehicles on road
FR2487555A1 (en) * 1980-07-28 1982-01-29 Automatisme Cie Gle DETECTOR FOR PASSING WEIGHTED OBJECTS ON A PAVEMENT
JP2732128B2 (en) * 1988-09-07 1998-03-25 日本特殊陶業株式会社 Coaxial cable-shaped piezoelectric transducer and method of manufacturing the same
CH683714A5 (en) * 1990-12-19 1994-04-29 Kk Holding Ag Force sensor arrangement, in particular for the dynamic axle load, speed, center distance and total weight determination of vehicles.
DE4101871A1 (en) * 1991-01-23 1992-07-30 Univ Leipzig Pressure sensing flat seal - comprises piezoelectric sensor sheet between electrically insulating vapour-proof protective ones
FR2813999B1 (en) * 2000-09-14 2003-06-27 Eurovia METHOD OF LAYING INTO A PAVEMENT OF ELONGATE ELEMENTS FOR ALLOWING VEHICLE FLOWS
FR2881861B1 (en) * 2005-02-08 2007-04-13 Eco Compteur Sarl DETECTOR FOR TRAFFIC COUNTER
DE102005041671B4 (en) * 2005-09-01 2008-01-31 Datacollect Traffic Systems Gmbh & Co. Kg Device for determining data
DE112015003110B4 (en) * 2014-10-15 2021-01-14 Chung-Ang University Industry-Academic Cooperation Foundation Sensor unit that uses an electroactive polymer for wireless transmission / reception of deformation information, and sensor that uses this
DE102016211102A1 (en) * 2016-06-22 2017-12-28 Robert Bosch Gmbh Concept for collecting traffic information

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL221471A (en) * 1957-10-09
JPS5029159B1 (en) * 1970-12-02 1975-09-20
FR2145099A5 (en) * 1971-07-08 1973-02-16 Inst Francais Du Petrole
FR2233615B1 (en) * 1973-06-12 1977-05-06 Gen Dynamics Corp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074114A1 (en) * 1981-09-08 1983-03-16 Brown University Research Foundation Catheter
US4795998A (en) * 1984-05-04 1989-01-03 Raychem Limited Sensor array
US4794365A (en) * 1985-10-02 1988-12-27 Raychem Limited Pressure sensor
US6526834B1 (en) 2000-08-23 2003-03-04 Measurement Specialties, Incorporated Piezoelectric sensor

Also Published As

Publication number Publication date
FR2373784A1 (en) 1978-07-07
DE2706211A1 (en) 1978-06-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
SP Amendment (slips) printed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee