Digital signal transmitting method, digital signal receiving apparatus, and recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 1998
Grant Date -
N/A
app pub date -
Oct 19, 1995
filing date -
Oct 28, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A digital signal transmitting method, a digital signal receiving apparatus, and a recording medium which ensure the security of fee-charged software information. When an image providing predetermined services is transmitted, a band-compression coded digital video signal is given first-encryption processing and then the digital signal is further given encryption processing and transmitted. Therefore, double security can be added to the video signal and a digital signal transmitting method where its security is more firmly ensured can be realized.
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