TW200508580A - Capacitor based force sensor - Google Patents

Capacitor based force sensor

Info

Publication number
TW200508580A
TW200508580A TW093112544A TW93112544A TW200508580A TW 200508580 A TW200508580 A TW 200508580A TW 093112544 A TW093112544 A TW 093112544A TW 93112544 A TW93112544 A TW 93112544A TW 200508580 A TW200508580 A TW 200508580A
Authority
TW
Taiwan
Prior art keywords
electrodes
applied force
force sensor
capacitor based
based force
Prior art date
Application number
TW093112544A
Other languages
English (en)
Inventor
Robert Fredrick Kamrath
Michael Edward Hamerly
Billy Lee Weaver
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of TW200508580A publication Critical patent/TW200508580A/zh

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
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
    • G01L1/146—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors for measuring force distributions, e.g. using force arrays
    • 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
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • 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
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
TW093112544A 2003-05-16 2004-05-04 Capacitor based force sensor TW200508580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/439,447 US7148882B2 (en) 2003-05-16 2003-05-16 Capacitor based force sensor

Publications (1)

Publication Number Publication Date
TW200508580A true TW200508580A (en) 2005-03-01

Family

ID=33417800

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093112544A TW200508580A (en) 2003-05-16 2004-05-04 Capacitor based force sensor

Country Status (8)

Country Link
US (1) US7148882B2 (zh)
EP (1) EP1625370A1 (zh)
JP (1) JP2007503003A (zh)
KR (1) KR20060012292A (zh)
CN (1) CN1791788A (zh)
AU (1) AU2004242072A1 (zh)
TW (1) TW200508580A (zh)
WO (1) WO2004104537A1 (zh)

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US10175832B2 (en) 2011-12-22 2019-01-08 Quickstep Technologies Llc Switched-electrode capacitive-measurement device for touch-sensitive and contactless interfaces
US10503328B2 (en) 2011-06-16 2019-12-10 Quickstep Technologies Llc Device and method for generating an electrical power supply in an electronic system with a variable reference potential
US10890987B2 (en) 2013-11-08 2021-01-12 Egalax_Empia Technology Inc. Stylus and operating method thereof for transmitting electrical signals carrying pressure information
US10895921B2 (en) 2013-11-08 2021-01-19 Egalax_Empia Technology Inc. Touch sensitive processing apparatus, system and operating method thereof for receiving electrical signals carrying pressure information
US11181994B2 (en) 2013-11-08 2021-11-23 Egalax_Empia Technology Inc. Transmitter and controlling method thereof
US11237648B2 (en) 2013-11-08 2022-02-01 Egalax_Empia Technology Inc. Touch sensitive processing method and apparatus and touch sensitive system for reducing detection time period of tethered stylus
US11392221B2 (en) 2013-11-08 2022-07-19 Egalax_Empia Technology Inc. Touch sensitive processing apparatus, system and operating method thereof for receiving electrical signals carrying pressure information
US11409379B2 (en) 2013-11-08 2022-08-09 Egalax_Empia Technology Inc. Stylus and operating method thereof for transmitting electrical signals carrying pressure information

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US11112904B2 (en) 2007-01-03 2021-09-07 Apple Inc. Double-sided touch-sensitive panel with shield and drive combined layer
US9465502B2 (en) 2007-01-03 2016-10-11 Apple Inc. Double-sided touch-sensitive panel with shield and drive combined layer
US9836160B2 (en) 2007-01-03 2017-12-05 Apple Inc. Double-sided touch-sensitive panel with shield and drive combined layer
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CN108319380B (zh) * 2013-11-08 2020-05-15 禾瑞亚科技股份有限公司 力传感器
US10895921B2 (en) 2013-11-08 2021-01-19 Egalax_Empia Technology Inc. Touch sensitive processing apparatus, system and operating method thereof for receiving electrical signals carrying pressure information
US10416791B2 (en) 2013-11-08 2019-09-17 Egalax_Empia Technology Inc. Circuit switch and stylus
US9851816B2 (en) 2013-11-08 2017-12-26 Egalax_Empia Technology Inc. Transmitter and controlling method thereof
TWI578193B (zh) * 2013-11-08 2017-04-11 禾瑞亞科技股份有限公司 力感測器
US10606375B2 (en) 2013-11-08 2020-03-31 Egalax_Empia Technology Inc. Transmitter, transmitting method and touch sensitive system for transmitting pressure value
TWI578194B (zh) * 2013-11-08 2017-04-11 禾瑞亞科技股份有限公司 力感測器
CN111580693A (zh) * 2013-11-08 2020-08-25 禾瑞亚科技股份有限公司 力传感器
US10890987B2 (en) 2013-11-08 2021-01-12 Egalax_Empia Technology Inc. Stylus and operating method thereof for transmitting electrical signals carrying pressure information
CN108319380A (zh) * 2013-11-08 2018-07-24 禾瑞亚科技股份有限公司 力传感器
TWI560582B (en) * 2013-11-08 2016-12-01 Egalax Empia Technology Inc Circuit switch and stylus
US11181994B2 (en) 2013-11-08 2021-11-23 Egalax_Empia Technology Inc. Transmitter and controlling method thereof
US11237648B2 (en) 2013-11-08 2022-02-01 Egalax_Empia Technology Inc. Touch sensitive processing method and apparatus and touch sensitive system for reducing detection time period of tethered stylus
US11340718B2 (en) 2013-11-08 2022-05-24 Egalax_Empia Technology Inc. Transmitter and transmitting method
US11392221B2 (en) 2013-11-08 2022-07-19 Egalax_Empia Technology Inc. Touch sensitive processing apparatus, system and operating method thereof for receiving electrical signals carrying pressure information
US11409379B2 (en) 2013-11-08 2022-08-09 Egalax_Empia Technology Inc. Stylus and operating method thereof for transmitting electrical signals carrying pressure information
US11662842B2 (en) 2013-11-08 2023-05-30 Egalax_Empia Technology Inc. Touch sensitive processing method and apparatus and touch system for receiving information from transmitter
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Also Published As

Publication number Publication date
EP1625370A1 (en) 2006-02-15
US20040227736A1 (en) 2004-11-18
KR20060012292A (ko) 2006-02-07
WO2004104537A1 (en) 2004-12-02
CN1791788A (zh) 2006-06-21
AU2004242072A1 (en) 2004-12-02
US7148882B2 (en) 2006-12-12
JP2007503003A (ja) 2007-02-15

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