Microcomputer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 6, 1992
Grant Date -
N/A
app pub date -
Sep 6, 1991
filing date -
Oct 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A microcomputer according to this invention which incorporates a bus switching circuit disposed between the ALU unit and memory unit, and the input/output unit, which carries out switching of the order of bit string and encryption of data and programs based on instructions from the ALU unit 2 or data or programs from the memory units 5 and 7. Encrypted data or programs are output to the outside of the microcomputer via the input/output unit 6, while the said encrypted data or programs that are input from the outside of the microcomputer are decoded and sent to the ALU unit 2 or the memory units 5 and 7.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully