Document Type and Number:
Japanese Patent JPS57148243
Kind Code:
U
Application Number:
JP3342381U
Publication Date:
September 17, 1982
Filing Date:
March 12, 1981
Export Citation:
International Classes:
G06F15/02; G06K7/016; G06K7/06; G06K7/10; G06K9/22; (IPC1-7): G06F15/02
Domestic Patent References:
| JPS5378933U | 1978-06-30 | |||
| JPS5347729A | 1978-04-28 | |||
| JPS5496934A | 1979-07-31 |