US5818935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internet enhanced video system
Assignee: Individual
•
Filing: 1997-03-10
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Granted: 1998-10-06
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Expires: 2017-03-10
Abstract
Abstract A system for accessing the Internet based on an Internet information pointer encoded in a video signal. The system includes a video display adapted to display a video portion of the video signal. The system also includes an Internet access device including a decoder adapted to extract the Internet information pointer encoded in the video signal, the access device being adapted to connect to the Internet to access the Internet based on the extracted Internet information pointer.
Inventors
- 👤 Chia-Yiu Maa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:32
CPC Classifications
H; H04; H04N; H04N21/00; H04N21/80; H04N21/85; H04N21/858; H04N21/20; H04N21/23; H04N21/235; H04N21/40; H04N21/43; H04N21/435; H04N21/45; H04N21/462; H04N21/4622; H04N21/47; H04N21/478; H04N21/4782; H04N21/81; H04N21/812; H04N21/8586; H04N7/00; H04N7/08; H04N7/087; H04N7/088; H04N7/0882; H04N7/16; H04N7/162; H04N7/163
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
101 words
A system for accessing the Internet based on an Internet information pointer encoded in a video signal, the system comprising: a video display adapted to display a video portion of the video signal; and an Internet information device including a decoder adapted to extract the Internet information pointer encoded in the video signal, the access device being adapted to be connected to the Internet to access the Internet based on the extracted Internet information pointer, wherein the Internet information device further includes a video decryption unit adapted to decrypt a video signal using a decryption key obtained by accessing the Internet.
Claim 2
Independent Claim
101 words
A system for accessing the Internet based on an Internet information pointer encoded in a video signal, the system comprising: a video display adapted to display a video portion of the video signal; and an Internet information device including a decoder adapted to extract the Internet information pointer encoded in the video signal, the access device being adapted to be connected to the Internet to access the Internet based on the extracted Internet information pointer, wherein the Internet information device further includes a video decryption unit adapted to decrypt a video signal using a decryption key obtained by accessing the Internet.
Claim 3
Dependent Claim
27 words
The system of claim 1, wherein the decryption key obtained by accessing the Internet includes a control field usable to control operation of the video decryption unit.
Claim 4
Dependent Claim
47 words
The system of claim 2, wherein multiple decryption keys are obtained by accessing the Internet and further including a processing unit configured to run a software application adapted to manage the use of the decryption keys to decrypt various video signals corresponding to the multiple decryption keys.
Claim 5
Dependent Claim
59 words
The system of claim 1, where the video signal is a viewing guide with multiple entries corresponding video content on other channels and, for at least some of the entries, a corresponding Internet information pointer is encoded in the video signal and that pointer is usable to obtain a decryption key for the entry to which the pointer corresponds.
Claim 6
Independent Claim
130 words
A device for accessing the Internet based on an Internet information pointer encoded in a video signal, the device comprising: a video signal input port; an Internet access port; a extractor connected to the video signal input and configured to recover the Internet information pointer encoded in the video signal; a processor connected to the extractor to receive the recovered Internet information pointer therefrom, with the processor further being connected to the Internet access port to access the Internet utilizing the recovered Internet information pointer, further including a video signal output port and video decryption unit disposed between the video signal input port and the video signal output port and adapted to decrypt a video signal using a decryption key obtained by accessing the Internet utilizing the Internet information pointer.
Claim 7
Independent Claim
130 words
A device for accessing the Internet based on an Internet information pointer encoded in a video signal, the device comprising: a video signal input port; an Internet access port; a extractor connected to the video signal input and configured to recover the Internet information pointer encoded in the video signal; a processor connected to the extractor to receive the recovered Internet information pointer therefrom, with the processor further being connected to the Internet access port to access the Internet utilizing the recovered Internet information pointer, further including a video signal output port and video decryption unit disposed between the video signal input port and the video signal output port and adapted to decrypt a video signal using a decryption key obtained by accessing the Internet utilizing the Internet information pointer.
References Cited (Backward Citations)
US5617565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-10-05 | 2002-04-06 | 2002-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-10-05 | 2006-04-06 | 2006-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-10-05 | 2010-04-06 | 2010-10-06 | $7700.00 | Window Closed / Lapsed |