Wacom Co., Ltd.

KITASAITAMA-GUN, JP

1. 20090076770 POSITION INDICATOR, VARIABLE CAPACITOR, POSITION INPUT DEVICE AND COMPUTER SYSTEM 03-19-2009
2. 20090065268 POSITION INDICATOR - When a start pulse is supplied a time-constant circuit is charged to a voltage Vcc and charge in a variable capacitor is discharged 03-12-2009