Encryption key distribution method in mobile broadcasting system and system for the same
US-9191204-B2 · Nov 17, 2015 · US
Method for validating access to a product by means of a security module
US8966518B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8966518-B2 |
| Application number | US-28265507-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 13, 2007 |
| Priority date | Mar 13, 2006 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
Official abstract text for this publication.
A method for validating access to a product by a security module associated with a user unit unidirectionally connected to a managing center MC transmitting management messages being generated following the receipt of a request for an access right to the product, said method comprises the steps of purchasing a product, determining a code representing the product, displaying said code on a display device, transmitting to the MC, a request comprising said code and an security module identifier, transmitting a right confirmation message addressed to the user unit associated with said security module, wherein, at purchasing of the product, a temporary right is registered in the security module, said temporary right being replaced by a definitive right by the right confirmation message received from the MC, said definitive right authorizing the access to the purchased product by debiting the value amount associated with said product.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for validating access to a product, by a security module associated with a user unit unidirectionally connected to a managing center transmitting management messages addressed to said security module, said messages being generated by the managing center further to the receipt of a request for an access right to a product consisting in broadcasted digital data, said method comprising the following steps: purchasing by a user a product proposed…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8966518B2 cover?
- A method for validating access to a product by a security module associated with a user unit unidirectionally connected to a managing center MC transmitting management messages being generated following the receipt of a request for an access right to the product, said method comprises the steps of purchasing a product, determining a code representing the product, displaying said code on a displ…
- Who is the assignee on this patent?
- Parisot Laurence, Nagravision Sa
- What technology area does this patent fall under?
- Primary CPC classification H04N7/1675. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).