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Class 380/230 - Including usage recording


Subclass of Class 380 - Cryptography
Definition: Subject matter wherein data representing program descrambling
No. of patents: 74
Last issue date: 06/22/2010


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NumberTitleIssue Date
7742600Prepaid pay television system
A system includes a managing center transmitting a data stream encrypted by control words included in control messages. The data stream is received by at least one user unit linked to a security module identified by a unique address. The security module contains a c...
06/22/2010
7428307Data reproduction apparatus capable of safely controlling reproduction time of encrypted content data and data reproduction circuit and data recording apparatus used for the same
A decryption processing unit decrypts encrypted content data using a license key Kc. When an elapsed time after reception of the license key (Kc) does not exceed a hold time at a time of the license key (Kc) included in reproduction control information (ACp), reprod...
09/23/2008
7400725Information recording medium for recording a scrambled part of content information, and method and apparatus for reproducing information recorded therein
An information recording medium, such as an optical disk or the like, is provided for recording at least copyrighted content information and cipher key information. A part of the content information is scrambled and recorded in the information recording medium, and ...
07/15/2008
7383230System and method for the efficient exchange and pricing of services and intangible works
An exchange system for intangible goods comprises a first user system, a second user system, a registry system, a clearinghouse system and a hash module coupled for communication with each other. The first and second user systems includes a content module for acting...
06/03/2008
7380134Information recording/reproducing apparatus and method of executing encryption processing
An information recording apparatus has a content encryption section which encrypts content information with an encryption key and outputs encrypted content information, a control section which identifies an already moved area in the content information and generates...
05/27/2008
7380137Content guard system for copy protection of recordable media
A system and method for enabling broadcast programs to be copied once only by consumer recorders includes writing a unique media identification on each blank disk to which content is to copied in a read-only area of the disk before it is initially recorded. Also, a ...
05/27/2008
7380135Diligent control of preview of stored contents
A method of transmitting contents, which are to be received at a reception side where a portion of the contents is previewed while the contents are not accessible for playing other than for a preview purpose, includes the steps of encrypting the contents by a first ...
05/27/2008
7370210Apparatus and method for managing processor configuration data
The present invention provides a data processing apparatus and method for managing processor configuration data. The data processing apparatus comprises a processor operable in a plurality of modes and a plurality of domains, said plurality of domains comprising a s...
05/06/2008
7363504Method and system for keystroke scan recognition biometrics on a smartcard
The present invention discloses a system and methods for biometric security using keystroke scan biometrics in a smartcard-reader system. The biometric security system also includes a keystroke scan sensor that detects biometric samples and a device for verifying bi...
04/22/2008
7356144Control of usage of contents in digital broadcasts
A method of transmitting a content to a reception side includes the steps of encrypting the content by use of a scramble key that varies with time, encrypting scramble-key-associated information that includes at least the scramble key and usage-control information, ...
04/08/2008
7346931Accepting a set of data in a computer unit
A method for transferring at least one data record from an external data source into a processor unit, e.g., and a suitably designed processor unit are described. In such a method for transcribing at least one data record from the external data source to a processor...
03/18/2008
7340758Method and device for routing of specific data, particularly receiving rights, in a pay-TV terminal
A method and device for relaying specific data, especially receiving rights, to a pay television terminal. The data originating from a transmitter is transmitted to the pay television terminal via a transmission medium with the application of mobile data carriers, e...
03/04/2008
7336788Electronic book secure communication with home subsystem
The invention, an electronic book selection and delivery system, is a new way to distribute books and other textual information to bookstores, libraries and consumers. The primary components of the system are a subsystem for placing text in a video signal format and...
02/26/2008
7337146Emergency information management system
A wide-area emergency information management system includes a broadcasting entity (10) and delivers content to authorized receiver clients (20), such as PC's, laptops, wireless devices, etc. The specific content (26), which can include voice, t...
02/26/2008
7327259Method and apparatus for managing online and offline documents with RFID technology
Provided are a method and an apparatus for managing online and offline documents using RFID technology. The method includes: pre-registering online and offline documents using radio frequency identification tag information stored in at least one of the online and of...
02/05/2008
7324974Digital data file encryption apparatus and method
A digital data file encryption apparatus and method, where a digital data server identifies the user and supplies an encrypted digital data file to the user in accordance with the identified result. A personal computer decrypts the encrypted digital data file suppli...
01/29/2008
7305695System for providing video on demand with pause feature
A system for providing video upon request may transmit encrypted video information to one or more recipients for viewing at a later time. The recipient may make a request to view one of the received video files. This request may be provided to a video transmitter wh...
12/04/2007
7302578Information processing apparatus, image forming apparatus, program-initiation error processing method, and recording medium
An information processing apparatus has a detection unit to detect a recording medium and initiates a program read from the recording medium detected by the detection unit. In the information processing apparatus, an operation check unit performs an operation check ...
11/27/2007
7299494File management method and files
The invention relates to a method of managing files. In this invention, a method of managing a file stored in an external memory device of a computer having an application that starts when it is read by the computer consists of a step of accepting an instruction for...
11/20/2007
7281267Software audit system
A software audit system is provided in conjunction with an anti-virus system. A computer virus scan request received by the anti-virus system (16) is used to trigger an audit data generator (18) to generate audit data. The audit data generator (18
10/09/2007
7278165Method and system for implementing digital rights management
In one embodiment, a content license is created that defines parameters for accessing a piece of digital content. A first logical expression in the content license defines a plurality of playback devices that are authorized to access the piece of digital content. A ...
10/02/2007
7263188Data delivery system, server apparatus, reproducing apparatus, data delivery method, data playback method, storage medium, control, signal, and transmission data signal
A data delivery system has a capability of effectively and reliably protecting copyright of the data. A video source of a movie or the like is delivered in the form of encrypted data from a server apparatus to a playback apparatus. A decryption key used to decrypt t...
08/28/2007
7251821Method for retrieving product information over a communication network
Method for retrieving product information over a communication network. A method for retrieving product information including at least product/service identification or description and related to a commercial event and associated with a remote location on a communic...
07/31/2007
7251693System and method for data quality management and control of heterogeneous data sources
System and method for data quality management and control of heterogeneous data systems. In a preferred embodiment, the system functions as a resource management tool that simplifies the process of managing data systems. More specifically, the system provides connec...
07/31/2007
7249106Information processing method and apparatus and program storage medium for prohibiting duplication of contents in large quantities
A contents database 114 memorizes the discriminating information for discriminating contents and the temporal information as to the time of content duplication associated with the discriminating information. A recording program 113 acquires the discrim...
07/24/2007
7246234Transmitter device, transmitting method, receiver device, receiving method, communication system, and program storage medium
A memory stores a hash value of content management data. When an IEEE1394 interface authenticates a personal computer connected thereto via a network, the IEEE1394 transmits content management data to the personal computer while receiving a hash data of the content ...
07/17/2007
7239704Method and apparatus for recording of encrypted digital data
A method relating to recording transmitted digital data in which transmitted digital information is encrypted by a recording encryption key. The recording encryption key is stored by a recording means on a recording support medium. Further, the recording encryption ...
07/03/2007
7225163Recording/reproducing device and recording/reproducing method
A high-speed dubbing unit 10 for dubbing digital data from an optical disk 15 to a hard disk 16 at a high speed is connected via a public telephone line to a payment imposing unit 20. A control unit 13 is provided for generating in...
05/29/2007
7209893Method of and a system for distributing electronic content
A terminal device, a memory module and a system for and method of distributing electronic content. A content provider stores a number of multimedia files. A first integrated circuit card interface receives a host integrated circuit card containing first authorizatio...
04/24/2007
7197143Digital video authenticator
The Digital Video Authenticator (DVA) addresses law enforcement concerns for a means to authenticate digital video (DV) so that it will be admissible and trusted as evidence in court. The DVA is a peripheral device attached to a commercial digital video recording de...
03/27/2007
7146508Image processing apparatus and system and method of same
An image processing apparatus capable of preventing a copy protect function of a video or other contents signal from being disabled. An encoder encodes a contents signal from a DVD reproduction unit. A copy protect circuit performs copy protect processing on the enc...
12/05/2006
7146008Conditional access television sound
A digitally encrypted audio signal may be transmitted with an analog television signal. Access to the analog television video signal may be controlled by using graphics overlay techniques. The use of digital encryption techniques on the audio channel prevents improp...
12/05/2006
7131006Cryptographic techniques for a communications network
Techniques are described for enabling authentication and/or key agreement between communications network stations and service networks. The techniques described include the negotiation and use of a cryptographic primitive shared between a service network and a home ...
10/31/2006
7131133Access control method and information utilization apparatus
The encoded contents of a piece of delivered information is accompanied by an applicable time data indicating a specific time period for authorizing a particular mode of utilization. When a request for utilizing the contents is issued in an information utilization a...
10/31/2006
7120251Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus
A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the ke...
10/10/2006
7113926Secure media on demand system whereby charge is determined in part from the periodicity of an encryption key
An object of the invention is to provide a transmitting system of which data is difficult to be tapped and which is suitable for flexibly determining a watching and listening fee. In order to achieve the object, there is provided a combination of a transmitting meth...
09/26/2006
7110982Secure access method and system
A secure electronic content system and method is provided. The system includes a controller including an interface component, a host system coupled to the controller, the host system configured to present content under predetermined conditions, the host system opera...
09/19/2006
7092914Methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
Rights management information is used at least in part in a matching, narrowcasting, classifying and/or selecting process. A matching and classification utility system comprising a kind of Commerce Utility System is used to perform the matching, narrowcasting, class...
08/15/2006
7088823System and method for secure distribution and evaluation of compressed digital information
A method for controlling access to digital information is performed based on a plurality of decryption keys sent by the information provider. A first type of decryption key instructs a user's host system to reproduce the digital information in accordance with a firs...
08/08/2006
7076467Network-based method and system for transmitting digital data to a client computer and charging only for data that is used by the client computer user
A flexible product distribution and payment system for computer network based electronic commerce is disclosed. Primary content data is made available to customers through a detachable local storage medium, such as a DVD or CD-ROM disc, or over a network connection....
07/11/2006
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