Document Type and Number:
Japanese Patent JPS57156958
Kind Code:
U
Application Number:
JP4210981U
Publication Date:
October 02, 1982
Filing Date:
March 25, 1981
Export Citation:
International Classes:
G06K7/015; G06K9/20; G06T1/00; H04N1/203; (IPC1-7): G06K7/015; G06K9/20