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TWI371710B - Noise cancellation device and the method of capacitive touch panel - Google Patents

  • ️Sat Sep 01 2012

TWI371710B - Noise cancellation device and the method of capacitive touch panel - Google Patents

Noise cancellation device and the method of capacitive touch panel

Info

Publication number
TWI371710B
TWI371710B TW097133047A TW97133047A TWI371710B TW I371710 B TWI371710 B TW I371710B TW 097133047 A TW097133047 A TW 097133047A TW 97133047 A TW97133047 A TW 97133047A TW I371710 B TWI371710 B TW I371710B Authority
TW
Taiwan
Prior art keywords
touch panel
capacitive touch
noise cancellation
cancellation device
noise
Prior art date
2008-01-21
Application number
TW097133047A
Other languages
Chinese (zh)
Other versions
TW200933466A (en
Inventor
Chin Fu Chang
Cheng Han Lee
Original Assignee
Egalax Empia Technology 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.)
2008-01-21
Filing date
2008-08-29
Publication date
2012-09-01
2008-08-29 Application filed by Egalax Empia Technology Inc filed Critical Egalax Empia Technology Inc
2008-08-29 Priority to TW097133047A priority Critical patent/TWI371710B/en
2009-08-01 Publication of TW200933466A publication Critical patent/TW200933466A/en
2012-09-01 Application granted granted Critical
2012-09-01 Publication of TWI371710B publication Critical patent/TWI371710B/en

Links

TW097133047A 2008-01-21 2008-08-29 Noise cancellation device and the method of capacitive touch panel TWI371710B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW097133047A TWI371710B (en) 2008-01-21 2008-08-29 Noise cancellation device and the method of capacitive touch panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW97102175 2008-01-21
TW097133047A TWI371710B (en) 2008-01-21 2008-08-29 Noise cancellation device and the method of capacitive touch panel

Publications (2)

Publication Number Publication Date
TW200933466A TW200933466A (en) 2009-08-01
TWI371710B true TWI371710B (en) 2012-09-01

Family

ID=44865944

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097133047A TWI371710B (en) 2008-01-21 2008-08-29 Noise cancellation device and the method of capacitive touch panel

Country Status (1)

Country Link
TW (1) TWI371710B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102043521B (en) * 2009-10-09 2012-12-12 禾瑞亚科技股份有限公司 Parallel scanning differential touch detection device and method
CN102043524B (en) * 2009-10-09 2012-12-12 禾瑞亚科技股份有限公司 Method and device for position detection
CN102043520B (en) * 2009-10-09 2013-04-24 禾瑞亚科技股份有限公司 Method and device for analyzing two-dimensional sensing information
TWI396125B (en) * 2009-11-19 2013-05-11 Raydium Semiconductor Corp Coupling capacitance eliminating apparatus and method
KR102098878B1 (en) * 2013-09-03 2020-04-08 엘지디스플레이 주식회사 Electronic device having a touch sensor and driving method thereof

Also Published As

Publication number Publication date
TW200933466A (en) 2009-08-01

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