Check patentability & draft patents in minutes with Patsnap Eureka AI!

Multimedia signal receiving apparatus and control method thereof

A technology of a signal receiving device and a control method, which is applied in the directions of pulse modulation television signal transmission, image communication, analog security/charging system, etc.

Inactive Publication Date: 2007-05-16
SAMSUNG ELECTRONICS CO LTD
View PDF1 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The multimedia signal receiving device of this related art has the disadvantage that, because the multimedia signal is stored without encryption, unauthorized persons can copy the multimedia signal

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multimedia signal receiving apparatus and control method thereof
  • Multimedia signal receiving apparatus and control method thereof
  • Multimedia signal receiving apparatus and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] Reference will now be made in detail to exemplary embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. The exemplary embodiments are described below in order to explain the present invention by referring to the figures.

[0043]As shown in Fig. 1, the multimedia signal receiving apparatus according to the exemplary embodiment of the present invention includes: an interface 10 for receiving a multimedia signal comprising encrypted AV signals and packet data and a decryption key; a packet processor 30 for generating packet data of information related to the decryption key; and a controller 90 for controlling these components. The multimedia signal receiving device may further include a signal processor 50 , a storage device 80 , and a display 70 .

[0044] In case a multimedia signal or a decryption key is input from an external device, the interface 10 may include...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A multimedia signal receiving apparatus and a control method thereof are provided for easily storing and / or transmitting an encrypted AV signal together with a decryption key without decrypting the encrypted AV signal. The multimedia signal receiving apparatus includes: an interface which receives a multimedia signal containing an encrypted AV signal and packet data, and a decryption key used to decrypt the encrypted audio / video (AV) signal; a packet processor which generates packet data containing information relating to the decryption key; and a controller which controls the packet processor to generate the packet data containing the information relating to the decryption key when the decryption key is set.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2005-0107236 filed in the Korean Intellectual Property Office on November 9, 2005, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0002] The apparatus and method according to the present invention relate to a multimedia signal receiving apparatus and a control method thereof, in particular to a method for receiving a multimedia signal including an encrypted audio / video (AV) signal and packet data, and for decrypting the encrypted AV signal A multimedia signal receiving device with a decryption key, and a control method of the multimedia signal receiving device. Background technique [0003] With the rapid development of digital broadcasting technology, there is a need to be able to simultaneously receive various multimedia signals, process and display data from devices such as IEEE 1394, Universal Serial Bus (USB) memory, National Renewable Security Sy...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/16H04N7/52H04N7/167
CPCH04N21/4334H04N2005/91364H04N21/4344H04N5/913H04N7/163H04N7/1675
Inventor 李光镐
Owner SAMSUNG ELECTRONICS CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com