Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POSITION DETECTION DEVICE AND POINTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/002272
Kind Code:
A1
Abstract:
The purpose of the present invention is to reduce depletion of a battery of an active stylus, and to reduce transmission time of a signal from the active stylus. Provided is a position detection device which carries out full-duplex transmission and receiving of a signal by a capacitive coupling scheme between a tablet 3 and a stylus 2 with self-contained internal power supply, wherein the position detection device is configured to transmit a trigger signal US_trg to the stylus 2 for activating a command information receiving unit for receiving a command signal US_cmd which includes information which controls the stylus 2, and thereafter to transmit the command signal US_cmd to the stylus 2.

Inventors:
KATSURAHIRA Yuji (2-510-1 Toyonoda, Kazo-shi Saitama 48, 〒3491148, JP)
HARA Hideyuki (2-510-1 Toyonoda, Kazo-shi Saitama 48, 〒3491148, JP)
Application Number:
JP2015/071994
Publication Date:
January 05, 2017
Filing Date:
August 03, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
WACOM CO., LTD. (2-510-1 Toyonodai, Kazo-shi Saitama, 48, 〒3491148, JP)
International Classes:
G06F3/03; G06F3/041; G06F3/044
Domestic Patent References:
2014-11-20
Foreign References:
JP2015114894A2015-06-22
JP2014086094A2014-05-12
JP2007531938A2007-11-08
Attorney, Agent or Firm:
WASHIZU Mitsuhiro et al. (Daisan-Taiyo Bldg. 7th Floor, 5-1 Ginza 1-Chom, Chuo-Ku Tokyo 61, 〒1040061, JP)
Download PDF:



 
Previous Patent: DISPOSABLE MASK

Next Patent: BINDER