The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1989
Filed:
Nov. 16, 1987
Applicant:
Inventor:
Yoshimi Shigenaga, Tokyo, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
380 23 ; 380 25 ; 380 48 ;
Abstract
Application program data is sent with decryption key code data from an initializing IC card to an application program RAM arranged in an IC card terminal. The terminal is then initialized, and customer IC card reception preparation is completed.
Shigenaga, Yoshimi. (1989). Ic card system (U.S. Patent No. 4809326). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4809326
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile