公开(公告)号：US3310780A

公开(公告)日：1967-03-21

申请号：US23040862

申请日：1962-10-15

Applicant: IBM

Inventor： GILLEY CHARLES H ,  KERSEY JAMES R ,  TOMASULO ROBERT M ,  TRAPNELL JR FREDERICK M

IPC: G06F3/00 ,  H04L12/54 ,  H04L13/08 ,  H04L25/45 ,  H04L25/49

CPC classification number: H04L25/49 ,  G06F3/00 ,  H04L12/54 ,  H04L13/08 ,  H04L25/45 ,  Y10S707/99933

公开(公告)号：CA957948A

公开(公告)日：1974-11-19

申请号：CA159064

申请日：1972-12-13

Applicant: IBM

Inventor： ABBOTT GEORGE F ,  GILLEY CHARLES H ,  SKATRUD RALPH O

IPC: G07F7/10

Abstract: A cryptographic credit card device having a non-linear character generator based on a personalized read only storage and dynamic logic elements for manipulating data is disclosed.

公开(公告)号：CA735033A

公开(公告)日：1966-05-24

申请号：CA735033D

Applicant: IBM

Inventor： GILLEY CHARLES H ,  TOMASULO ROBERT M ,  TRAPNELL FREDERICK M JR ,  KERSEY JAMES R