Invention Grant
- Patent Title: Asymmetric multi-row touch panel scanning
- Patent Title (中): 不对称多行触摸屏扫描
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Application No.: US13416327Application Date: 2012-03-09
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Publication No.: US09001072B2Publication Date: 2015-04-07
- Inventor: David A. Sobel , Sumant Ranganathan , Tianhao Li , John S. Walley , Glen Weaver , Kerrynn Jacques de Roche , Pi Sheng Chang
- Applicant: David A. Sobel , Sumant Ranganathan , Tianhao Li , John S. Walley , Glen Weaver , Kerrynn Jacques de Roche , Pi Sheng Chang
- Applicant Address: US CA Irvine
- Assignee: Broadcom Corporation
- Current Assignee: Broadcom Corporation
- Current Assignee Address: US CA Irvine
- Agency: Brinks Gilson & Lione
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G06F3/041

Abstract:
Asymmetric scanning logic implements asymmetric panel scanning by scanning some rows on a touch panel more frequently than other rows. Note that although an entire row at a time may be driven, if only particular pixels in the row are of interest (e.g., included in any region of interest for focused asymmetric scanning), then circuitry may power down the receivers for the columns in which the pixels exist to save power. The asymmetric scanning logic facilitates focused attention to specific areas of interest on the touch panel, to compensate, for example, for high noise or low signal strength in those areas of interest.
Public/Granted literature
- US20130176274A1 ASYMMETRIC MULTI-ROW TOUCH PANEL SCANNING Public/Granted day:2013-07-11
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