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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
ELO TOUCH SOLUTIONS INC	1033 MCCARTHY BOULEVARD MILPITAS CA 95035-7920

International Classification(s)

• G06F:ELECTRIC DIGITAL DATA PROCESSING

• 2011 Application Filing Year
• G06F Class
• 41019 Applications Filed
• 32743 Patents Issued To-Date
• 79.83 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lau, Francis	Fremont, US	20	361
# of filed Patents : 20 Total Citations : 361

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Patent Citation Ranking

• 1 Citation Count
• G06F Class

• 1.78 % this patent is cited more than
• 12 Age

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Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2013/0147,767

Dispersion-Based Acoustic Touch Signal Detection and Reflector-Based Dispersion Mitigation

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Abstract

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A method of detecting a touch event includes transmitting acoustic signals across a substrate, and receiving the acoustic signals. The received acoustic signals have a waveform profile with a dip indicative of a touch on the substrate. The method further includes determining a dispersion level of the dip from the waveform profile, and determining a location coordinate of the touch on the substrate based on the dispersion level.

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Description

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