0051228-A2 is referenced by 36 patents and cites 2 patents.

Title
Document information filing system.
Application Number
EP19810108831 19811023
Publication Number
0051228 (A2)
Application Date
October 23, 1981
Publication Date
May 12, 1982
Inventor
Hirose Kenji
Assignee
Tokyo Shibaura Electric Co
JP
IPC
G06F 15/40
G06K 17/00
H04N 01/21
G11B 27/32
G06T 01/00
G06K 17/00
G06F 17/30
G06F 12/00
H04N 05/93
H04N 01/21
G11B 27/32
G06T 01/00
G06K 17/00
G06F 17/30
G06F 12/00
H04N 05/93
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