| 6609115 |
Method and apparatus for limited online access to restricted documentation |
| Aug-19-2003 |
A system and method are disclosed for providing access over a computer network to system documentation at an online central service facility. A user is required to enter identifying indicia prior to accessing... |
| 6609116 |
System and method for securely updating copy-protected media |
| Aug-19-2003 |
A system and method for updating old blank media onto which newer content is sought to be copied, to reduce the risk of unauthorized copying of new content onto old unupdated media. A computer system executes... |
| 6609105 |
System and method for providing access to electronic works |
| Aug-19-2003 |
The present invention is a system and method for providing access to electronic works over a network. In a preferred embodiment, the present invention offers a user access to electronic copies of works,... |
| 6604239 |
System and method for virtual television program rating |
| Aug-5-2003 |
A method and a system for combining at least two sources of television program rating information, including at least one source obtained through user input into an electronic interface, to provide a more... |
| 6599324 |
Document management apparatus and document management program storage medium |
| Jul-29-2003 |
In a document management apparatus for managing perusal and editing of documents, and a document management program storage medium for storing therein a document management program to manage perusal and... |
| 6597790 |
Communication apparatus and a communication system |
| Jul-22-2003 |
A communication device according to the present invention comprises an enciphering transmitter for enciphering data and transmitting enciphered data, a counter for obtaining a count of a quantity of enciphered... |
| 6594646 |
Method and apparatus for selling digital contents, processing program thereof and recording medium for the program |
| Jul-15-2003 |
The present invention relates to a digital contents selling system for selling digital contents. Identification information of digital contents selected by a customer is received. Personal digital contents... |
| 6591420 |
Remote control system for audio and video content |
| Jul-8-2003 |
A program distribution system is disclosed for the simultaneous release of a program at a plurality of locations. The locations may include local broadcasters, or even individual devices. A program is... |
| 6591367 |
Method and apparatus for preventing unauthorized copying and distributing of electronic messages transmitted over a network |
| Jul-8-2003 |
A method and apparatus for providing protection from unauthorized use of messages received by a system is described. The receiving system can receive a message from a sending system, for example, over... |
| 6591250 |
System and method for managing virtual property |
| Jul-8-2003 |
A system and method for managing virtual property is disclosed. In the system, virtual items are each represented by one or more digital objects and are managed by one or more computer systems functioning... |
| 6587842 |
Software-based protection system for software products distributed on copyable media, or downloaded over a communications link |
| Jul-1-2003 |
Computer software can be secured so that it only operates on a customer system that has a protection file that is unique to the system. The software is inoperable when copied to other systems, even though... |
| 6587561 |
Key delivery in a secure broadcasting system |
| Jul-1-2003 |
A key delivery method for use in an encoded communications system in which at least one encoded item including a first item encoded with a first item control word is sent in a communication stream from... |
| 6574610 |
Trusted elements within a distributed bandwidth system |
| Jun-3-2003 |
A distributed bandwidth metering system (200) uses trusted elements throughout the system to collect and process usage data. The trusted elements in the distributed bandwidth metering system include subscriber... |
| 6571220 |
Copy generation management method, information signal reproducing method, information signal reproducing apparatus, and information signal recording apparatus |
| May-27-2003 |
A reproducing and/or recording system in which copy generation of an information signal is controlled through the use of copy control information that is added to the information signal. The copy control... |
| 6570079 |
Recording and reproducing apparatus, recording and reproducing method, and data processing apparatus |
| May-27-2003 |
When a copy of music data recorded in an HDD to another electronic equipment is instructed, whether an accounting process is performed or a sound quality deteriorating process is performed is selected.... |
| 6567793 |
Remote authorization for unlocking electronic data system and method |
| May-20-2003 |
Controlling unauthorized access to software distributed to a user by a vendor. A verification key is generated by a product key generator and either embedded in the software prior to distribution or packaged... |
| 6560581 |
System and method for secure electronic commerce transaction |
| May-6-2003 |
An electronic commerce system facilitates secure electronic commerce transactions among multiple participants. Each electronic commerce transaction involves at least one commerce document defining the... |
| 6560339 |
Electronic watermarking method, digital information distribution system using such method, and storage medium storing program of such method |
| May-6-2003 |
An electronic watermarking method includes the steps of generating a plurality piece of information with different electronic watermark information, generating a plurality piece of encrypted information... |
| 6556679 |
Copy-guard system and information recording medium used in the same system |
| Apr-29-2003 |
In an embodiment, a copy-guard system is provided that includes a decoding section for decoding digital data, which is encoded and error-correction-coded, from an information recording medium in which... |
| 6542870 |
Recording apparatus |
| Apr-1-2003 |
A recording and/or playback apparatus for recording data read out from a first storage medium into a second storage medium, includes a recording device for recording data read out from the first storage... |
| 6535981 |
Information processing system |
| Mar-18-2003 |
The information processing system of the present invention is composed of a recording medium 2 and an information processing device 1. The recording medium 2 comprises a first recording region 21 and a... |
| 6535919 |
Verification of image data |
| Mar-18-2003 |
Image data, such as image data coded in MPEG4 format, is verified by a client receiving an information data stream that is generated by multiplexing a plurality of coded object data and associated intellectual... |
| 6535858 |
Optical disc copy management system |
| Mar-18-2003 |
The invention relates to a method of obtaining a copy protected optical record carrier carrying information in different blocks, a method of accessing such a copy protected optical record carrier and such... |
| 6529882 |
Method for managing group membership in internet multicast applications |
| Mar-4-2003 |
A method for strictly managing group membership in Internet multicast applications is disclosed. The method comprises a group creation and enrollment step, a group announcement step, a group query step,... |
| 6526146 |
Information recording system |
| Feb-25-2003 |
An optical disc recorder/reproducer, a personal computer, a television receiver, an IRD and so forth are connected mutually via a 1394 serial bus. When data transmitted from the personal computer to the... |
| 6526144 |
Data protection system |
| Feb-25-2003 |
A method of communicating from a transmitter to a receiver over a communication medium. For the transmitter, the method includes the step of formatting data into a data stream to be communicated across... |
| 6519700 |
Self-protecting documents |
| Feb-11-2003 |
A system and method for the secure distribution of electronic documents reduces the likelihood of unauthorized reproduction and redistribution by either authorized or unauthorized recipients. A self-protecting... |
| 6516416 |
Subscription access system for use with an untrusted network |
| Feb-4-2003 |
A system and method is disclosed for controlling access to computer resources using an untrusted network. The system preferably uses a hardware key connected to each subscriber client computer and adds... |
| 6516318 |
Management system and terminal apparatus to manage and control distribution and use of software and the like |
| Feb-4-2003 |
A management system for software data in a system in which software data that is transmitted from a management center through a predetermined transmitting system can be used at a terminal. The management... |
| 6510513 |
Security services and policy enforcement for electronic data |
| Jan-21-2003 |
Security services and policy enforcement for electronic data is provided through a series of transactions among a server and clients using electronic security certificates. A first client generates a digest... |
| 6502194 |
System for playback of network audio material on demand |
| Dec-31-2002 |
A playback unit resembling a home audio component, retrieves audio data from a remote server and plays them back in real time, using a home audio system, in response to user selection. The playback unit... |
| 6502195 |
Computer readable storage medium for providing repeated contact with software end-user |
| Dec-31-2002 |
A computer readable storage medium for providing repeated contact with computer software or a software user to transfer information which may include advertising, promotional, or marketing information... |
| 6499105 |
Digital data authentication method |
| Dec-24-2002 |
This invention provides a method for identifying a purchaser who purchased content from which an illegal copy was produced. A provider system encrypts purchased by the purchaser using a public key of a... |
| 6496802 |
System and method for providing access to electronic works |
| Dec-17-2002 |
The present invention is a system and method for providing access to electronic works over a network. In a preferred embodiment, the present invention offers a user access to electronic copies of works,... |
| 6496807 |
Recording medium, recording method and recording apparatus incorporating anti-tamper features involving writing billing information into a write-once area |
| Dec-17-2002 |
A recording medium such as an optical disk has a write-once recording area in which information can be recorded once and cannot be rewritten. The write-once recording area is provided with a billing information... |
| 6490355 |
Method and apparatus for use of a time-dependent watermark for the purpose of copy protection |
| Dec-3-2002 |
A copy protection system for protecting content wherein a ticket and a watermark are created, utilizing a first time reference (TD) and a one-way function, to indicate the copy protection status of the... |
| 6487663 |
System and method for regulating the transmission of media data |
| Nov-26-2002 |
A system and method regulate the transmission of media data. In accordance with one embodiment of the invention, a header portion of a media file is encoded to include an access code. The access code corresponds... |
| 6487542 |
Method and apparatus for managing electronic money and storage for storing an electronic money management program |
| Nov-26-2002 |
According to the present invention, when electronic money is sent from a given network to another network, a money change apparatus performs a money change process to change electronic money current on... |
| 6484264 |
Method for providing repeated contact with software end-user using authorized administrator |
| Nov-19-2002 |
A method for providing repeated contact with computer software or a software user to transfer information which may include advertising, promotional, and/or marketing information includes repeatedly contacting... |
| 6480607 |
Encrypted data reproducing transmitting and processing method and apparatus with separately encrypted control data |
| Nov-12-2002 |
A data reproducing apparatus high in security against unauthorized duplication. A drive 20 includes a first CSS encoder 21 for performing first encryption processing on picture data etc reproduced from... |
| 6477649 |
Information recording apparatus, information reproducing apparatus, and information distribution system |
| Nov-5-2002 |
An information recording apparatus comprises an encryption section encrypting contents information and also a license condition referred to limit use of the contents information and a decoding key for... |
| 6473860 |
Information distribution and processing system |
| Oct-29-2002 |
Digital information is separated into two portions. The first portion is a clear portion and the second portion is encrypted. The clear portion and an identification label are distributed to a plurality... |
| 6473742 |
Reception apparatus for authenticated access to coded broadcast signals |
| Oct-29-2002 |
Decoding of a broadcast signal is enabled only if it carries an identifier verified by its presence (or absence) in a stored list. The list is loaded from a removable module. Preferably the loading of... |
| 6469239 |
Data storage apparatus and data storage method with quality degrading features |
| Oct-22-2002 |
When a copy of music data recorded in an HDD to another electronic equipment is instructed, an accounting process is performed or a sound quality deteriorating process is performed based on a selection.... |
| 6466966 |
Method and apparatus for redirection of server external hyper-link references |
| Oct-15-2002 |
A message is provided to a tracking server system in response to a client system referencing a predetermined resource locator that corresponds to a resource external to the tracking server system. The... |
| 6463541 |
Object authentification method using printed binary code and computer registry |
| Oct-8-2002 |
A binary code printed upon documents and articles includes: an origin code referring to pertinent data including category, creator identity, creation time; and an algorithm derived authentification code... |
| 6463418 |
Secure and stateful electronic business transaction system |
| Oct-8-2002 |
A method for transacting business electronically includes storing first information in a database management module, reading the first information in the database management module by a network server... |
| 6463370 |
Information processing apparatus, method for processing information, and record medium on which a program for such method is recorded |
| Oct-8-2002 |
An information processing apparatus first detects the residual amount of gasoline remaining in the gasoline tank, and reads out a prescribed value given as a licensed condition. Next, the apparatus reproduces... |
| 6460142 |
Method and apparatus for repeated contact software end-user |
| Oct-1-2002 |
A method and apparatus for providing repeated contact with a software user to transfer information which may include advertising, promotional, or marketing information include repeatedly contacting the... |
| 6460137 |
Encryption processing system |
| Oct-1-2002 |
A random-number generator generates first and second title keys on the basis of random numbers. A first DES encryption circuit for the title encrypts input data with the first title key. Initial values... |
