CA2227259A1 - Force sensors with segmental electrodes - Google Patents

Force sensors with segmental electrodes

Info

Publication number
CA2227259A1
CA2227259A1 CA002227259A CA2227259A CA2227259A1 CA 2227259 A1 CA2227259 A1 CA 2227259A1 CA 002227259 A CA002227259 A CA 002227259A CA 2227259 A CA2227259 A CA 2227259A CA 2227259 A1 CA2227259 A1 CA 2227259A1
Authority
CA
Canada
Prior art keywords
electrodes
electrode
force sensors
pair
segmental
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
CA002227259A
Other languages
French (fr)
Other versions
CA2227259C (en
Inventor
Robert Podoloff
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.)
Joyson Safety Systems Inc
Original Assignee
Breed Automotive Technology, Inc.
Robert Podoloff
Force Imaging Technologies, Inc.
Key Safety Systems, Inc.
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 Breed Automotive Technology, Inc., Robert Podoloff, Force Imaging Technologies, Inc., Key Safety Systems, Inc. filed Critical Breed Automotive Technology, Inc.
Publication of CA2227259A1 publication Critical patent/CA2227259A1/en
Application granted granted Critical
Publication of CA2227259C publication Critical patent/CA2227259C/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
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/205—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using distributed sensing elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/09—Use of materials for the conductive, e.g. metallic pattern

Abstract

A force sensor (10) employing a segmental electrode construction, with a portion of one (14) of its pair of electrodes being printed on a first backing sheet (12) and another portion of the one electrode being printed on a second sheet. When they are juxtaposed they form a continuous electrode. The other (30) of the pair of electrodes is also formed on the first backing sheet (12) and coooperates with the first electrode to indicate when a load is applied to a zone in which the pair of electrodes overlie one another.
CA002227259A 1995-07-24 1996-07-17 Force sensors with segmental electrodes Expired - Fee Related CA2227259C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/505,740 1995-07-24
US08/505,740 US5656988A (en) 1995-07-24 1995-07-24 Force sensors with segmental electrodes
PCT/US1996/007930 WO1997004294A1 (en) 1995-07-24 1996-07-17 Force sensors with segmental electrodes

Publications (2)

Publication Number Publication Date
CA2227259A1 true CA2227259A1 (en) 1997-02-06
CA2227259C CA2227259C (en) 2007-05-01

Family

ID=24011630

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002227259A Expired - Fee Related CA2227259C (en) 1995-07-24 1996-07-17 Force sensors with segmental electrodes

Country Status (8)

Country Link
US (1) US5656988A (en)
EP (1) EP0840883B1 (en)
JP (1) JPH11509631A (en)
KR (1) KR100473975B1 (en)
AU (1) AU6475596A (en)
CA (1) CA2227259C (en)
DE (1) DE69623782T2 (en)
WO (1) WO1997004294A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4089082B2 (en) * 1998-07-28 2008-05-21 株式会社デンソー Pressure sensitive conversion device
JP3664622B2 (en) * 1999-12-06 2005-06-29 アルプス電気株式会社 Pressure sensitive device
KR20020051731A (en) * 2000-12-23 2002-06-29 이계안 supporting device for disassembling and assembling of automatic transmission
DE102008007353A1 (en) 2008-01-29 2009-07-30 Iris-Gmbh Infrared & Intelligent Sensors Person identification device for use in area of e.g. automatic teller machine, has evaluation unit generating comparison result signal based on similarity between detected person-individual characteristics and stored characteristics

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128744A (en) * 1977-02-22 1978-12-05 Chomerics, Inc. Keyboard with concave and convex domes
SE8400484D0 (en) * 1984-01-31 1984-01-31 Slim Borgudd DEVICE FOR SURGERY OF DYNAMIC AND STATIC LOAD PACKAGING BY A TOWING DEVICE FOR EX DRIVER
US4763534A (en) * 1985-01-31 1988-08-16 Robert G. Fulks Pressure sensing device
US4856993A (en) * 1985-03-29 1989-08-15 Tekscan, Inc. Pressure and contact sensor system for measuring dental occlusion
US4810992A (en) * 1986-01-17 1989-03-07 Interlink Electronics, Inc. Digitizer pad
US4694126A (en) * 1986-05-29 1987-09-15 Amp Incorporated Membrane keyboard switch assembly having spacer structure and method of making
US5222399A (en) * 1991-02-01 1993-06-29 Fel-Pro Incorporated Load washer
US5086652A (en) * 1991-02-25 1992-02-11 Fel-Pro Incorporated Multiple pad contact sensor and method for measuring contact forces at a plurality of separate locations
US5398962A (en) * 1994-02-14 1995-03-21 Force Imaging Technologies, Inc. Horn activator for steering wheels with air bags

Also Published As

Publication number Publication date
US5656988A (en) 1997-08-12
DE69623782D1 (en) 2002-10-24
KR19990035808A (en) 1999-05-25
EP0840883B1 (en) 2002-09-18
DE69623782T2 (en) 2003-07-31
JPH11509631A (en) 1999-08-24
AU6475596A (en) 1997-02-18
WO1997004294A1 (en) 1997-02-06
KR100473975B1 (en) 2005-06-29
EP0840883A1 (en) 1998-05-13
CA2227259C (en) 2007-05-01

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed