Document Type and Number:
Japanese Patent JPH0455638
Kind Code:
U
Application Number:
JP9878990U
Publication Date:
May 13, 1992
Filing Date:
September 20, 1990
Export Citation:
International Classes:
G06F3/041; G06F3/048; G06F3/0487; G06K11/06; (IPC1-7): G06F3/033; G06K11/18
Next Patent: JPH0455639