Title:
PEN-TYPE POINTING DEVICE AND PEN-TYPE POINTING SYSTEM COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/167442
Kind Code:
A1
Abstract:
A pen-type pointing device according to an embodiment of the present invention comprises: a housing; a tip pointer that protrudes from the lower portion of the housing and contacts a plane of an object; a chip LED which is mounted to the lower end inside the tip pointer and irradiates light onto a detection portion of the plane; and an image sensor that senses a motion of the tip pointer through the motion of an image formed by the light being reflected in the detection portion.
Inventors:
KIM IN GWANG (KR)
Application Number:
PCT/KR2023/001723
Publication Date:
September 07, 2023
Filing Date:
February 07, 2023
Export Citation:
Assignee:
KIGMTECH CO LTD (KR)
International Classes:
G06F3/0354; G06F3/03
Foreign References:
| KR100489959B1 | 2005-05-17 | |||
| KR20050113311A | 2005-12-02 | |||
| KR20130076297A | 2013-07-08 | |||
| KR20100023248A | 2010-03-04 | |||
| US20110090178A1 | 2011-04-21 |
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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