Document Type and Number:
Japanese Patent JPH0452233
Kind Code:
U
Application Number:
JP9213290U
Publication Date:
May 01, 1992
Filing Date:
August 31, 1990
Export Citation:
International Classes:
G06K11/06; G06F3/03; G06F3/041; (IPC1-7): G06F3/03; G06K11/06