US 9,811,198 B2
Refreshing method of background signal and device for applying the method
Shang-Li Lee, New Taipei (TW)
Assigned to SALT INTERNATIONAL CORP., New Taipei (TW); and IMAGINATION BROADWAY LTD., New Taipei (TW)
Filed by SALT INTERNATIONAL CORP., New Taipei (TW); and IMAGINATION BROADWAY LTD., New Taipei (TW)
Filed on Jun. 23, 2015, as Appl. No. 14/747,361.
Claims priority of application No. 103143748 A (TW), filed on Dec. 15, 2014; and application No. 103143749 A (TW), filed on Dec. 15, 2014.
Prior Publication US 2016/0170551 A1, Jun. 16, 2016
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01); G06F 3/0488 (2013.01)
CPC G06F 3/0416 (2013.01) [G06F 3/044 (2013.01); G06F 3/0488 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A refreshing method of background signal, applicable to a sensing device capable of receiving positional information, comprising:
obtaining positional information based on a determination that a threshold value with respect to a first background signal value is breached, wherein the first background signal value corresponds to a first portion of the sensing device;
obtaining a refreshing area based on the positional information, an extension parameter, and a measuring breadth, the refreshing area comprising at least one of the first portion of the sensing device or the first portion of the sensing device and one or more other portions of the sensing device; and
refreshing a background signal of the refreshing area
wherein
the first background signal value is stored in a memory associated with the sensing device;
one or more other background signal values corresponding to the one or more other portions of the sensing device are stored in the memory, and
refreshing the background signal comprises updating only the background signal values corresponding to the portions of the sensing device included in the refreshing area.