Cable TV system using passwords
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United States of America Patent
Stats
-
Oct 7, 1997
Grant Date -
N/A
app pub date -
Dec 8, 1995
filing date -
Feb 7, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a method of distributing signals to valid subscribers comprised of storing subscriber terminal valid identification codes at a central station, broadcasting promotions of services available to subscribers, each associated with a specific promotion code, selecting one of the services and entering a selected service promotion code into a terminal at a subscriber location, automatically reading an identification number associated with the terminal in response to the entering of a selected promotion code, processing the identification number and the selected promotion code in accordance with an encryption algorithm, and generating an encrypted event request code therefrom, providing the event request code to a verification center, at the verification center, decrypting the event request code, verifying the number against the valid identification codes, and providing a password unique to the terminal and the selected promotion code, entering the password into the terminal at the subscriber location, and providing access to a service utilizing one of the distributed signals corresponding to the selected promotion code to the subscriber in response to the entering of the password.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
| Patent Owner | Address | |
|---|---|---|
| LE GROUPE VIDEOTRON LTEE | 2000 BERRI MONTREAL QUEBEC H2L 4V7 |
International Classification(s)
Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Corriveau, Josee | St-Leonard, CA | 1 | 72 |
| Dufresne, Michel | Bouchorville, CA | 23 | 1161 |
| Garneau, Pierre | Montreal, CA | 4 | 474 |
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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