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7620814 |
System and method for distributing data
A system that distributes content access data which provides rights management data indicating a right of a user to reproduce and/or copy the distributed content. The system includes an...
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7610487 |
Human input security codes
The hash extension technique used to generate an ECGA may be used to increase the strength of one-way hash functions and/or decrease the number of bits in any situation where some external...
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7536713 |
Knowledge broadcasting and classification system
Embodiments of the system may utilize a Knowledge Broadcasting System for specifying content metadata and locating Internet documents. In this instance embodiments of the invention comprise an...
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7502473 |
Process for managing the handling of conditional access data by at least two decoders
One embodiment of the invention relates to a management method for conditional access data processing by at least three decoders associated to a subscriber. These decoders include...
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7486793 |
Invoicing management method of a service transmitted per time unit
The objective of the present invention is to propose an accounting method of the consumption of transmitted services per time unit to a decoder in a system implementing a content encrypted by...
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7464398 |
Queuing methods for mitigation of packet spoofing
Systems and methods of mitigating attacks, such as Denial of Service (DoS) attacks, in a communications network are presented. Source addresses of packets received at network devices are monitored...
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7428307 |
Data 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...
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7400725 |
Information 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...
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7383230 |
System 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....
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7380137 |
Content 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...
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7380135 |
Diligent 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...
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7380134 |
Information 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...
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7370210 |
Apparatus 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...
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7363504 |
Method 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...
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7356144 |
Control 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...
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7346931 |
Accepting 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...
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7337146 |
Emergency 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....
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7336788 |
Electronic 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...
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7324974 |
Digital 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...
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7302578 |
Information 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...
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7299494 |
File 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...
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7281267 |
Software 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...
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7278165 |
Method 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...
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7249106 |
Information 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...
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7246234 |
Transmitter 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...
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7239709 |
Data recording/reproducing method, data recording/reproducing system, recording apparatus
A data recording/reproducing method wherein encrypted digital data obtained by subjecting digital data to first encrypting by using a contents key and encrypted contents key obtained by subjecting...
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7239704 |
Method 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...
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7225163 |
Recording/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...
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7209893 |
Method 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...
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7197143 |
Digital 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...
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7146508 |
Image 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...
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7131133 |
Access 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...
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7131006 |
Cryptographic 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...
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7120251 |
Data 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:...
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7113926 |
Secure 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...
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7110982 |
Secure 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...
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7088823 |
System 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...
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7076652 |
Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the...
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7076467 |
Network-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...
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7050585 |
Imaging system monitored or controlled to ensure fidelity of file captured
A three-dimensional imaging system providing certification over a distributed network. By monitoring or controlling image capture from a trusted environment, the fidelity of the record of the image...
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6944734 |
Storage apparatus and access control method
A storage apparatus is capable of using a storage medium having at least a first region for storing therein data and a second region for storing therein both use permission discrimination...
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6928419 |
Method and apparatus for repackaging portions of digital works as new digital works
A method and system for creating a new digital work from one or more existing digital works having parts. A first part of a digital work has first usage rights associated therewith, the first usage...
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6822552 |
Key and lock device
A key and lock device comprises a key and a standalone lock. The key has an electronic circuitry with a first memory and a contact. The lock has electronic circuitry with a memory, and a contact...
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6714650 |
Recording of scrambled digital data
A system for transmitting and recording digital data is included. Further, a system for transmitting transmit scrambled audio data that is to be recorded on a mini disc reader is included. A system...
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5666412 |
Secure access systems and methods utilizing two access cards
A CATV system including a CATV network and apparatus for transmitting over the CATV network information to a multiplicity of subscriber units, each including a CATV decoder and an IC card reader...
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5619570 |
Information furnishing and collection system
An information furnishing and collection system which allows rapid furnishing of information and flexible payment of a charge and collects information regarding a reaction of a user while enhancing...
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5537473 |
Video recorder system
A video recorder system adapted to receive subscription television services is of the type which controls access to the subscription services by means of a smart card. Where payment is due for each...
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5325431 |
Looking and listening fee collection system for pay broadcasting
A looking and listening fee collection system for satellite broadcasting of this invention is designed to collect looking and listening fees for satellite broadcasting by using balances prestored...
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5321750 |
Restricted information distribution system apparatus and methods
A system for securely providing restricted display information having an encoder-transmitter for transmitting selected update data using information identification codes as enabling reception keys...
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5243651 |
Diagnostic method and apparatus for a cable television interdiction system
A diagnostic method and apparatus for a cable television interdiction system is provided. One or more diagnostic modes each corresponding to a particular problem or state associated with the...
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