US 12,135,842 B2
Controller and tracking system
Hiroshi Munakata, Saitama (JP); Jun Hasegawa, Saitama (JP); Futa Imata, Saitama (JP); Hiroshi Fujioka, Saitama (JP); Yuta Sato, Saitama (JP); Kiyokazu Sakai, Saitama (JP); and Ryoichi Kikuchi, Saitama (JP)
Assigned to Wacom Co., Ltd., Saitama (JP)
Filed by Wacom Co., Ltd., Saitama (JP)
Filed on Sep. 21, 2023, as Appl. No. 18/472,067.
Application 18/472,067 is a continuation of application No. PCT/JP2021/047473, filed on Dec. 22, 2021.
Claims priority of application No. 2021-047265 (JP), filed on Mar. 22, 2021.
Prior Publication US 2024/0012492 A1, Jan. 11, 2024
Int. Cl. G06F 3/0346 (2013.01); G06F 3/03 (2006.01); G06F 3/0354 (2013.01); G06T 7/246 (2017.01)
CPC G06F 3/0346 (2013.01) [G06F 3/0325 (2013.01); G06F 3/03545 (2013.01); G06T 7/246 (2017.01); G06T 2207/10016 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A controller comprising:
a pen portion having a pen shape having a first axial end and a second axial end opposite from the first axial end;
a grip portion that intersects an axis direction of the pen portion;
wherein the pen portion includes a first pen portion extending from the grip portion toward the first axial end and a second pen portion extending from the grip portion toward the second axial end; and
two or more first light emitting parts disposed on the first pen portion.