Document Type and Number:
Japanese Patent JPS63136447
Kind Code:
U
Application Number:
JP2752987U
Publication Date:
September 07, 1988
Filing Date:
February 25, 1987
Export Citation:
International Classes:
G07F7/08; G06F15/02; G06K19/00; H04M1/274; H04M1/2745; H04M1/275; H04M15/00; (IPC1-7): H04M1/274; G06F15/02; G06K19/00; G07F7/08; H04M15/00
Domestic Patent References:
| JPS564969A | 1981-01-19 | |||
| JPS61111053A | 1986-05-29 |