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WO2017050042A1 - Capacitive sensing system and electronic device - Google Patents

Capacitive sensing system and electronic device Download PDF

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Publication number
WO2017050042A1
WO2017050042A1 PCT/CN2016/094469 CN2016094469W WO2017050042A1 WO 2017050042 A1 WO2017050042 A1 WO 2017050042A1 CN 2016094469 W CN2016094469 W CN 2016094469W WO 2017050042 A1 WO2017050042 A1 WO 2017050042A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensing system
electronic device
capacitive sensing
capacitive
supply voltage
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.)
Ceased
Application number
PCT/CN2016/094469
Other languages
French (fr)
Chinese (zh)
Inventor
刘雪春
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.)
Shenzhen Sunwave Technology Co Ltd
Original Assignee
Shenzhen Sunwave Technology 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=54723569&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2017050042(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Shenzhen Sunwave Technology Co Ltd filed Critical Shenzhen Sunwave Technology Co Ltd
Publication of WO2017050042A1 publication Critical patent/WO2017050042A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

Disclosed are a capacitive sensing system and an electronic device. The capacitive sensing system comprises a capacitive sensor apparatus and a power management chip. The capacitive sensor apparatus comprises a capacitive sensor and a control chip; said control chip is used for controlling the capacitive sensor to execute a sensing operation. The power management chip is used for providing a first power supply voltage to the capacitive sensor and providing a second power supply voltage to the control chip, the first power supply voltage being different from the second power supply voltage. There is high flexibility in the design of the capacitive sensing system and the electronic device having said capacitive sensing system.
PCT/CN2016/094469 2015-09-23 2016-08-10 Capacitive sensing system and electronic device Ceased WO2017050042A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510611942.8A CN105138203A (en) 2015-09-23 2015-09-23 Capacitive sensing system and electronic equipment
CN201510611942.8 2015-09-23

Publications (1)

Publication Number Publication Date
WO2017050042A1 true WO2017050042A1 (en) 2017-03-30

Family

ID=54723569

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/094469 Ceased WO2017050042A1 (en) 2015-09-23 2016-08-10 Capacitive sensing system and electronic device

Country Status (2)

Country Link
CN (1) CN105138203A (en)
WO (1) WO2017050042A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11543436B2 (en) 2018-03-30 2023-01-03 G & W Electric Company Constructive system regarding a capacitive sensor
US11644484B2 (en) 2018-12-17 2023-05-09 G & W Electric Company Electrical sensor assembly
US11740261B2 (en) 2016-10-14 2023-08-29 G & W Electric Company Capacitive voltage sensor assembly
US11774481B2 (en) 2018-12-17 2023-10-03 G & W Electric Company Electrical sensor assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205028275U (en) * 2015-09-23 2016-02-10 深圳信炜科技有限公司 Chipset and electronic equipment
CN105138203A (en) * 2015-09-23 2015-12-09 深圳信炜科技有限公司 Capacitive sensing system and electronic equipment
EP3367222A4 (en) * 2016-12-29 2018-12-05 Shenzhen Goodix Technology Co., Ltd. Touch system and power supply circuit thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104630815A (en) * 2015-01-29 2015-05-20 湖北民族学院 Photovoltaic hydrogen production system
CN104903732A (en) * 2013-01-11 2015-09-09 诺基亚技术有限公司 Sensor array with fixed output
CN105138203A (en) * 2015-09-23 2015-12-09 深圳信炜科技有限公司 Capacitive sensing system and electronic equipment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100483444C (en) * 2003-09-24 2009-04-29 奥森泰克公司 Finger biometric sensor with sensor electronics distributed over thin film and monocrystalline substrates and related methods
JP5675999B2 (en) * 2010-10-08 2015-02-25 アップル インコーポレイテッド Finger detection device including differential measurement circuit and associated method
KR20140033750A (en) * 2012-09-10 2014-03-19 삼성전기주식회사 Laminated ceramic electronic parts and manufacturing method thereof
CN103472966A (en) * 2013-09-23 2013-12-25 京东方科技集团股份有限公司 Capacitance type in-cell touch panel and display device
US9244581B2 (en) * 2013-09-30 2016-01-26 Synaptics Incorporated Modulated power supply for reduced parasitic capacitance
TWI493187B (en) * 2014-02-17 2015-07-21 茂丞科技股份有限公司 Biosensor with flat contact surface formed by signal epitaxial structure and manufacturing method thereof
CN204595830U (en) * 2015-01-13 2015-08-26 深圳市亚耕电子科技有限公司 Electronic equipment and capacitive sensing system thereof
CN204537118U (en) * 2015-03-30 2015-08-05 特科芯有限公司 There is the solid state hard disc of encrypting fingerprint identification
CN205068351U (en) * 2015-09-23 2016-03-02 深圳信炜科技有限公司 Capacitanc sensing system and electronic equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104903732A (en) * 2013-01-11 2015-09-09 诺基亚技术有限公司 Sensor array with fixed output
CN104630815A (en) * 2015-01-29 2015-05-20 湖北民族学院 Photovoltaic hydrogen production system
CN105138203A (en) * 2015-09-23 2015-12-09 深圳信炜科技有限公司 Capacitive sensing system and electronic equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11740261B2 (en) 2016-10-14 2023-08-29 G & W Electric Company Capacitive voltage sensor assembly
US11543436B2 (en) 2018-03-30 2023-01-03 G & W Electric Company Constructive system regarding a capacitive sensor
US11815529B2 (en) 2018-03-30 2023-11-14 G & W Electric Company Constructive system regarding a capacitive sensor
US12111337B2 (en) 2018-03-30 2024-10-08 G & W Electric Company Constructive system regarding a capacitive sensor
US11644484B2 (en) 2018-12-17 2023-05-09 G & W Electric Company Electrical sensor assembly
US11774481B2 (en) 2018-12-17 2023-10-03 G & W Electric Company Electrical sensor assembly
US12196785B2 (en) 2018-12-17 2025-01-14 G & W Electric Company Electrical sensor assembly

Also Published As

Publication number Publication date
CN105138203A (en) 2015-12-09

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