EP 1374012 A2 20040102 - STYLUS COMPUTER
Title (en)
STYLUS COMPUTER
Title (de)
STYLUS-COMPUTER
Title (fr)
ORDINATEUR A STYLET
Publication
Application
Priority
- US 0149450 W 20011226
- US 25803900 P 20001227
Abstract (en)
[origin: WO02052372A2] The present invention is directed to a pointing device writing tip comprised of a surface being structured in a manner that while writing with the writing tip on a writing surface, the contacts of the writing tip with the writing surface produce different sounds in different directions. A hand writing recognition system is provided based on at least the recognition of sounds produced by the writing tip having a surface being structured in a manner that while writing with the writing tip on the writing surface, the contacts of the writing tip with the writing surface produce different sounds in different directions for use by the recognition system.
IPC 1-7
IPC 8 full level
B43K 29/093 (2006.01); G06K 9/22 (2006.01); B43K 29/00 (2006.01); G06F 3/00 (2006.01); G06F 3/0354 (2013.01); G06F 3/041 (2006.01); G06F 3/043 (2006.01); G06K 9/00 (2006.01)
CPC (source: EP KR US)
G06F 3/00 (2013.01 - KR); G06F 3/03545 (2013.01 - EP); G06F 3/0433 (2013.01 - EP US); G06V 10/17 (2022.01 - EP US); G06V 40/37 (2022.01 - EP US)
Citation (search report)
See references of WO 02052372A2
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 02052372 A2 20020704; WO 02052372 A3 20020926; AU 2007202065 A1 20070531; CA 2433151 A1 20020704; CN 1287348 C 20061129; CN 1493069 A 20040428; EP 1374012 A2 20040102; HK 1065626 A1 20050225; JP 2004517398 A 20040610; KR 20030067729 A 20030814
DOCDB simple family (application)
US 0149450 W 20011226; AU 2007202065 A 20070508; CA 2433151 A 20011226; CN 01822896 A 20011226; EP 01987455 A 20011226; HK 04108434 A 20041028; JP 2002553607 A 20011226; KR 20037008682 A 20030626