| 6772133 |
Information recording device and information reproducting device |
| Aug-3-2004 |
The information reproduction device for reproducing contents information based on license information added to the contents information and required for reproducing the contents information, includes a... |
| 6768942 |
Navigation system with decryption functions and secure geographic database |
| Jul-27-2004 |
A navigation system with decryption functions. The navigation system may receive from a portable data storage medium an encrypted authentication key, an encrypted first portion of a geographic database,... |
| 6754346 |
Method for tracing the distribution of physical digital media |
| Jun-22-2004 |
A method for tracing the distribution of physical digital media and reporting feedback to a content provider regarding whether the profile of the user of the physical digital media corresponds to known... |
| 6745166 |
Contents information recording method, contents information processing unit, contents information deciphering method, contents information deciphering unit and media thereof |
| Jun-1-2004 |
When enciphered contents information is transferred from media A to media B, enciphered key information and ID(A) of the media A are recorded as a control number of data link ID in a memory of a media... |
| 6742129 |
Software security mechanism |
| May-25-2004 |
A load program causes a user's computer to generate an intermediate code as a function of a read time from the computer's system clock and an operating system ID. The software provider receives the intermediate... |
| 6731774 |
Associated information adding apparatus and method, and associated information detecting apparatus and method |
| May-4-2004 |
The present invention relates to an information adding apparatus and method for adding information as a watermark to an image. Particularly, the invention is characterized in that a unit watermark pattern... |
| 6728378 |
Secret key messaging |
| Apr-27-2004 |
The invention provides computer-enabled methods and systems for the secure transmission and platform-independent receipt and decryption of encrypted messages. According to the invention messages are encrypted... |
| 6725205 |
System and method for secure software installation |
| Apr-20-2004 |
A method secures software in a computer system that has one or more fixed disk drives. Each fixed disk drive is configured with a predetermined system serial number, such that each fixed disk drive has... |
| 6714650 |
Recording of scrambled digital data |
| Mar-30-2004 |
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 for... |
| 6707564 |
Image forming apparatus |
| Mar-16-2004 |
An object of the invention is to allow secure identification of an image forming apparatus from an image on a recording medium on which the black image has been formed, thereby preventing leakage of secret... |
| 6697997 |
Recording medium with a signed hypertext recorded thereon signed hypertext generating method and apparatus and signed hypertext verifying method and apparatus |
| Feb-24-2004 |
In a hypertext made up of a plurality of linked documents, each document is composed of a document ID, an issuer ID, a property definition, and a signature attached to the document in its entirety. The... |
| 6684198 |
Program data distribution via open network |
| Jan-27-2004 |
When program data is distributed to users across an open network, such as the Internet, a licensing agreement concluded between a server for the program data and a manager is maintained and the unauthorized... |
| 6681015 |
Digital recording/reproducing system |
| Jan-20-2004 |
A digital recording/reproducing system includes a set top box. The STB receives a digital television broadcast signal and transmits a scrambled data stream from a stream selector via an interface to a... |
| 6671813 |
Secure on-line PC postage metering system |
| Dec-30-2003 |
A system for providing secure access and execution of application software stored on a first computer by a second computer using a communication device while a communication link is maintained between... |
| 6671808 |
USB-compliant personal key |
| Dec-30-2003 |
A method, apparatus, article of manufacture, and a memory structure for a USB-compliant personal key has been described. The personal key includes an integrated connector design that is simple and easy... |
| 6658394 |
Electronic seals |
| Dec-2-2003 |
The invention provides techniques for issuing electronic seals of certification to online entities, such as online merchants, in a manner that prevents non-certified parties from easily stealing or otherwise... |
| 6633644 |
Conditional access system for controlling the access to a data content |
| Oct-14-2003 |
A conditional access system for controlling the access of receivers of end-users to data content transmitted from a data content source in an uplink system. The uplink system scrambles the content supplied... |
| 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... |
| 6591252 |
Method and apparatus for authenticating unique items |
| Jul-8-2003 |
A method and apparatus for authenticating, archiving information and updating ownership of unique items by associating a unique identifying code with the item. Ownership history of the item is locked with... |
| 6571339 |
Use of a processor identification for authentication |
| May-27-2003 |
A system comprises a first computer which has a unique processor identification. Additionally, a first application is operatively coupled to the first computer across a network. The first computer provides... |
| 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... |
| 6463153 |
Method for transmitting data apparatus for recording data medium for recording data and apparatus for reproducing data |
| Oct-8-2002 |
A data transmitting method, a data recording apparatus, a data record medium and a data reproducing apparatus are provided to disallow the encryption to be easily decoded and keep the secrecy of key information... |
| 6460023 |
Software authorization system and method |
| Oct-1-2002 |
A system add method for controlling the execution or display to one or more pieces of software developed using the developer's software is provided. The system permits the developer to receive revenue... |
| 6453420 |
System, method and article of manufacture for authorizing the use of electronic content utilizing a laser-centric medium |
| Sep-17-2002 |
A system, method, and article of manufacture is provided for tracking the distribution of content electronically. First, an electronic storage medium tracking identifier is incorporated onto an electronic... |
| 6453304 |
Digital information recording apparatus for recording digital information |
| Sep-17-2002 |
A digital information recording apparatus to record digital information to protect copyright of digital information that includes at least first digital information and first copy control information.... |
| 6445795 |
Data recording method and apparatus, data record medium and data reproducing method and apparatus |
| Sep-3-2002 |
An input is ciphered in at least one of a sector forming circuit 13, a scrambling circuit 14, a header appendage circuit 15, an error correction encoding circuit 16, a modulation circuit 18 and a synchronization... |
| 6425081 |
Electronic watermark system electronic information distribution system and image filing apparatus |
| Jul-23-2002 |
Disclosed is an electronic watermark method, used for a network, comprising a plurality of entities, wherein provided weparately are an entity for embedding an electronic watermark in encrypted data that... |
| 6389541 |
Regulating access to digital content |
| May-14-2002 |
Digital content such as text, video, and music are stored as part of a compressed and encrypted data file, or object, at a client computer, such as a personal home computer. The content is inaccessible... |
| 6389403 |
Method and apparatus for uniquely identifying a customer purchase in an electronic distribution system |
| May-14-2002 |
A system for tracking usage of digital content on user devices. Content sites for distributing digital content over a computer readable medium to users. The content sites associate unique content identifier... |
| 6385731 |
Secure on-line PC postage metering system |
| May-7-2002 |
The present invention is a system for providing secure access and execution of application software stored on a first computer by a second computer using a communication device while a communication link... |
| 6363486 |
Method of controlling usage of software components |
| Mar-26-2002 |
Controlling the usage of a software component by an application program in an end user computer system includes obtaining an identifier of the application program by a controller computer system and generating... |
| 6338037 |
Audio signal identification using code labels inserted in the audio signal |
| Jan-8-2002 |
In an arrangement for decoding code labels embedded in audio signals by inserting signal bursts at selected frequencies into notch frequencies in the audio signal, problems of speed variations in the device... |
| 6266654 |
Method for tracking software lineage |
| Jul-24-2001 |
Software lineages arise through purchase and reproduction. Lineages are tracked by storing lineage-relevant information in variable regions of software instances and/or in a central database according... |
| 6256736 |
Secured signal modification and verification with privacy control |
| Jul-3-2001 |
A watermarking scheme which allows the watermarked image to be authenticated by an authentication agent without revealing the human-readable content of the image. There is disclosed an approach which combines... |
| 6256393 |
Authorization and access control of software object residing in set-top terminals |
| Jul-3-2001 |
A method for providing authentication, authorization and access control of software object residing in digital set-top terminals creates a fingerprint ("signature") for each software object, associates... |
| 6243692 |
Secure electronic software packaging using setup-external unlocking module |
| Jun-5-2001 |
The present invention, generally speaking, provides for secure electronic software packaging using a setup-external unlocking module. As a result, a software publisher can produce a single ESD-ready version... |
| 6209096 |
Method and device for storing main information with associated additional information incorporated therein |
| Mar-27-2001 |
To store main information with associated additional information incorporated therein, data constituting the additional information is divided into a plurality of small-size data pieces of, e.g., one bit.... |
| 6208746 |
Biometric watermarks |
| Mar-27-2001 |
A biometric watermark system and method generate a biometrically encoded bitstream from biometric data of a user and from electronic data to be transmitted to the user. The encoded bitstream has the biometric... |
| 6188995 |
Method and apparatus for enforcing software licenses |
| Feb-13-2001 |
The present invention comprises a method and apparatus for enforcing software licenses for resource libraries such as an application program interface (API), a toolkit, a framework, a runtime library,... |
| 6169976 |
Method and apparatus for regulating the use of licensed products |
| Jan-2-2001 |
In one aspect, a method for activating, installing, and regulating use of a licensed product is disclosed. A customer licenses or buys a licensed product from a distributor. The distributor registers information... |
| 6158004 |
Information storage medium and security method thereof |
| Dec-5-2000 |
A security system for an information storage medium is so structured that only file data including secret individual information is encrypted by an encryptor/decryptor circuit. Known file management data... |
| 6134659 |
Controlled usage software |
| Oct-17-2000 |
The present invention provides a new and novel system and method for protecting a computer software program from unauthorized use and/or copying. In a preferred embodiment of the invention, each embodiment... |
| 6119108 |
Secure electronic publishing system |
| Sep-12-2000 |
The present invention is designed to improve distribution of electronic objects by permitting publishers to enforce the copyrights associated with their objects. In accordance with the present invention,... |
| 6073123 |
Method and apparatus for detecting unauthorized copies of software |
| Jun-6-2000 |
A method and apparatus for detecting unauthorized copies of software. Each copy of software is uniquely identified by a license number. Each use of each copy is termed a session. Each copy's sessions are... |
| 6073122 |
Cryptographic method and apparatus for restricting access to transmitted programming content using extended headers |
| Jun-6-2000 |
A system for restricting access to transmitted programming content is disclosed, which transmits the encryption key used to encrypt the program to the customer with the encrypted programming content. A... |
| 6067416 |
Method for dynamically wrapping files for downloading |
| May-23-2000 |
A file wrapping and downloading method for downloading files from a server computer (12) to a user computer (14) over a communications network (16) such as the Internet is disclosed. The method dynamically... |
| 6061451 |
Apparatus and method for receiving and decrypting encrypted data and protecting decrypted data from illegal use |
| May-9-2000 |
A data receiving apparatus is formed of a set top unit connected to a network and a security module. Digital video data which is supplied from the network and scrambled according to a first system is scrambled... |
| 6028936 |
Method and apparatus for authenticating recorded media |
| Feb-22-2000 |
An authentic media protection system is described. Every recorded media includes a digital signature, a list of known counterfeit media identifiers, and counterfeit media response information. The digital... |
| 6005936 |
System for embedding authentication information into an image and an image alteration detecting system |
| Dec-21-1999 |
A digital camera for embedding authentication information to detect the identity of a photographed image into an image. By supplying the authentication information integrally with image data, the verifier... |
| 6002772 |
Data management system |
| Dec-14-1999 |
To prevent piracy or leakage of data content, a cryptography technique and electronic watermark technique are combined together and used. In a data content supplied to a user, a user data is entered as... |
