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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
TWI371710BTW097133047ATW97133047ATWI371710BTW I371710 BTWI371710 BTW I371710BTW 097133047 ATW097133047 ATW 097133047ATW 97133047 ATW97133047 ATW 97133047ATW I371710 BTWI371710 BTW I371710B
Authority
TW
Taiwan
Prior art keywords
touch panel
capacitive touch
noise cancellation
cancellation device
noise
Prior art date
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.)
Filing date
Publication date
Application filed by Egalax Empia Technology IncfiledCriticalEgalax Empia Technology Inc
Priority to TW097133047ApriorityCriticalpatent/TWI371710B/en
Publication of TW200933466ApublicationCriticalpatent/TW200933466A/en
Application grantedgrantedCritical
Publication of TWI371710BpublicationCriticalpatent/TWI371710B/en

Links

TW097133047A2008-01-212008-08-29Noise cancellation device and the method of capacitive touch panelTWI371710B (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
TW097133047ATWI371710B (en)2008-01-212008-08-29Noise cancellation device and the method of capacitive touch panel

Applications Claiming Priority (2)

Application NumberPriority DateFiling DateTitle
TW971021752008-01-21
TW097133047ATWI371710B (en)2008-01-212008-08-29Noise cancellation device and the method of capacitive touch panel

Publications (2)

Publication NumberPublication Date
TW200933466A TW200933466A (en)2009-08-01
TWI371710Btrue TWI371710B (en)2012-09-01

Family

ID=44865944

Family Applications (1)

Application NumberTitlePriority DateFiling Date
TW097133047ATWI371710B (en)2008-01-212008-08-29Noise cancellation device and the method of capacitive touch panel

Country Status (1)

CountryLink
TW (1)TWI371710B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US8570289B2 (en)*2009-10-092013-10-29Egalax—Empia Technology Inc.Method and device for position detection
US8842079B2 (en)*2009-10-092014-09-23Egalax—Empia Technology Inc.Method and device for determining a touch or touches
TWI446232B (en)*2009-10-092014-07-21Egalax Empia Technology IncMethod and device for analyzing two dimension sensing information
TWI396125B (en)*2009-11-192013-05-11Raydium Semiconductor CorpCoupling capacitance eliminating apparatus and method
KR102098878B1 (en)*2013-09-032020-04-08엘지디스플레이 주식회사Electronic device having a touch sensor and driving method thereof

Also Published As

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

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