# US 2010/0166185 A1 · Delivering Specific Contents to Specific Recipients Using Broadcast Networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0166185 A1 - Document ID: US20100166185A1 - Status: Published application - Kind: A1 - Application number: 11/997,904 - Filed: 2005-10-25 - Published: 2010-07-01 - Earliest claimed: 2005-08-10 - Assignees: Hewlett-Packard Development Company, L.P. - Inventors: Rahul Shukla; Ajay Gupta; Vaibhav Rajan - Web page: https://patentgrep.com/patent/US20100166185A1 ## CPC - H04H 20/28: Arrangements for simultaneous broadcast of plural pieces of information - G02B 6/29374: {in an optical light guide (G02B6/02214 takes precedence)} - H04H 60/33: Arrangements for monitoring the users' behaviour or opinions - H04H 60/61: Arrangements for services using the result of monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 - H04H 60/73: using meta-information - H04N 21/258: Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data {(arrangements for services using the result on the distributing side of broadcast systems H04H60/66; profiles in network data switching protocols H04L67/30)} - H04N 21/25891: {being end-user preferences (retrieval of video data in a video database based on user preferences G06F16/739; arrangements for recognizing users' preferences H04H60/46; user profiles in network data switching protocols H04L67/306; processing of user preferences or user profiles in wireless networks H04W8/18)} - H04N 21/434: Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream {(demultiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)} - H04N 21/44213: {Monitoring of end-user related data (arrangements for monitoring the users' behaviour or opinions in broadcast systems H04H60/33)} - H04N 21/4508: {Management of client data or end-user data} - H04N 21/4532: {involving end-user characteristics, e.g. viewer profile, preferences (monitoring of user activities for profile generation for accessing a video database G06F16/739; user profiles in network data switching protocols H04L67/306; processing of user preferences or user profiles in wireless networks H04W8/18)} - H04N 21/4722: for requesting additional data associated with the content - H04N 21/4755: {for defining user preferences, e.g. favourite actors or genre (retrieval personalisation and generation of user profiles for the retrieval of video data G06F16/739; user profiles in network data switching protocols H04L67/306)} - H04H 20/30: by a single channel - H04H 20/38: Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast - H04H 20/91: broadcasting computer programmes - H04H 60/66: for using the result on distributors' side - H04H 60/74: using programme related information, e.g. title, composer or interpreter - H04H 60/94: Telephonic networks (for accessing the Internet H04H60/84) - H04H 2201/20: digital audio broadcasting [DAB] - H04H 2201/30: characterised by the use of a return channel, e.g. for collecting users' opinions, for returning broadcast space/time information or for requesting data - H04H: BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Systems and methods for delivering specific contents to specific recipients using broadcast networks. The methods include receiving an AV signal of a broadcast program and supplementary content which contains a tag identifying a specific recipient and specific contents. The specific contents are encrypted with a public key associated with the specific recipient. The supplementary content is combined with the AV signal to form a data-augmented signal which is subsequently encoded and modulated with a carrier signal to form a transmit signal for broadcasting to receivers. Each receiver includes a supplementary decoder for extracting the supplementary content, decrypting the specific contents with a private key corresponding to the public key, and providing the decrypted specific contents to the intended recipient. ## Claims ### Claim 1 A method comprising: receiving a transmit signal at a receiver, the transmit signal including a program and a supplementary content containing an encrypted content for a recipient and an identity of the recipient; demodulating the transmit signal to provide a data-augmented AV signal; recovering the supplementary content from the data-augmented AV signal at substantially the same time the program is rendered at the receiver; and retrieving the content upon recognizing the identity of the recipient. ### Claim 2 (depends on 1) The method of claim 1, wherein recovering the supplementary content comprises outputting the data-augmented AV signal to a decoder for extracting the supplementary content therefrom. ### Claim 3 (depends on 2) The method of claim 2 further comprising: providing a message to inform the recipient of the availability of the content; and furnishing the content to the recipient upon receiving a confirmation therefrom. ### Claim 4 (depends on 3) The method of claim 3, wherein furnishing the content comprises transmitting the content to an electronic device in data communication with the decoder; and rendering the content at the electronic device. ### Claim 5 (depends on 3) The method of claim 3 further comprising sending an acknowledgement of the recipe of the content. ### Claim 6 (depends on 1) The method of claim 1, wherein retrieving the content comprises: retrieving the encrypted content from the supplementary content; and decrypting the encrypted content using a private key. ### Claim 7 (depends on 1) The method of claim 1 further comprising: receiving a content and the identity of the recipient; encrypting the content to provide the encrypted content; generating the supplementary content and combining the same with an AV signal of the program to provide the data-augmented AV signal; and modulating the data-augmented AV signal with a carrier signal to provide the transmit signal for broadcasting. ### Claim 8 (depends on 7) The method of claim 7, wherein receiving the content comprises receiving at least one of a gift voucher, text message, photo, audio clip, ring-tone, song, and a video clip. ### Claim 9 (depends on 7) The method of claim 7, wherein encrypting the content comprises retrieving a public key as indicated by the identity of the recipient from a server and encrypting the content with the public key. ### Claim 10 (depends on 7) The method of claim 7, wherein combining the supplementary content with the AV signal comprises inserting the supplementary content into a non-program portion of the AV signal, wherein the AV signal being a television AV signal, the non-program portion is a vertical or horizontal blanking interval of AV signal, wherein the AV signal being a digital audio broadcast, the non-program portion is a program associated data channel. ### Claim 11 (depends on 7) The method of claim 7, wherein generating the supplementary content comprises structuring the encrypted content and identity of the recipient in an XML format. ### Claim 12 (depends on 7) The method of claim 7 further comprising re-broadcasting the transmit signal. ### Claim 13 A system comprising: a receiver for receiving a transmit signal and demodulating the same to provide a data-augmented AV signal, the transmit signal containing a program and a supplementary content, the supplementary content containing an encrypted content for a recipient and an identity tag for identifying the recipient; and a decoder coupled to the receiver for receiving the data-augmented AV signal and recovering the supplementary content therefrom at substantially the same time the program is rendered at the receiver, the decoder includes a program monitoring application for retrieving the encrypted content from the supplementary content and decrypting the encrypted content upon recognizing the identity tag. ### Claim 14 (depends on 13) The system of claim 13, wherein the receiver comprises one of an analog television, a digital television, and a digital radio. ### Claim 15 (depends on 13) The system of claim 13, wherein the decoder comprises a unique identity and a private key and the program monitoring application recognizes the identity tag by matching the identity tag with the unique identity and decrypting the encrypted content using the private key. ### Claim 16 (depends on 13) The system of claim 13 further comprising an electronic device in data communication with the decoder for receiving and rendering the decrypted content. ### Claim 17 (depends on 16) The system of claim 16, wherein the electronic device comprises at least one of a printer, mobile phone, PC, and a PDA. ### Claim 18 (depends on 13) The system of claim 13 further comprising: a compiler for receiving a content and the identity tag and encrypting the content to provide the encrypted content; a content server coupled to the compiler for receiving data there from and for providing the supplementary content; an inserter coupled to the content server for combining the supplementary content with an AV signal of the program to provide the data-augmented AV signal; and a modulator for modulating the data-augmented AV signal with a carrier signal to provide the transmit signal for broadcasting. ### Claim 19 (depends on 18) The system of claim 18 further comprising a public key server coupled to the compiler for providing a public key corresponding to the identity tag thereto for used by the compiler during the encrypting process. ### Claim 20 (depends on 18) The system of claim 18 further comprising a synchronizing signal between the content sever and the inserter for coordinating the combining process.