Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7363511 | Method for processing audiovisual information in an electronic device, a system, and an electronic device A method for processing audiovisual information in an electronic device comprises at least one control block for controlling the operation of the electronic device, and a memory. The audiovisual information is encrypted. The control block is provided with a protecte... | 04/22/2008 |
| 7349553 | Watermarks for secure distribution of digital data A visible first watermark and invisible second and third watermarks are embedded in digital media content, in order to protect the media content from piracy. The visible first watermark protects the media content during distribution and storage, while the invisible ... | 03/25/2008 |
| 7339993 | Methods for transforming streaming video data A method for forming an output stream of data includes determining an output resolution for the output stream of data, determining an output frame rate for the output stream of data, determining an output color depth for the output stream of data, retrieving a first... | 03/04/2008 |
| 7272229 | Digital work protection system, key management apparatus, and user apparatus In a system composed of a recording apparatus that records digitized content such as a movie, or a reproduction apparatus that reproduces the digitized content, and a recording medium, a media key for use in recording or reproduction is encrypted by a plurality of d... | 09/18/2007 |
| 7222237 | Secure multimedia data transmission method A secure method and system of digital data transmission between a sender and a receiver, including a phase of receiver authentication by a symmetrical authentication key sharing algorithm with no transmission of the key, a phase of data watermarking by using the aut... | 05/22/2007 |
| 7213005 | Digital content distribution using web broadcasting services A method, a system and computer readable medium of securely receiving data on a user's system from a web broadcast infrastructure with a plurality of channels. The method includes encrypting the data using a first encrypting key, wherein the first encrypting key is ... | 05/01/2007 |
| 7171020 | Method for utilizing fragile watermark for enhanced security A fragile watermark is embedded in a document. The fragile watermark provides enhance security. In one implementation, a method is provided for embedding information in an image so that the image will have different information when a scanning or printing process re... | 01/30/2007 |
| 7152868 | Vehicle with variable guided pendular motion A vehicle (1) includes a chassis (2) which has a steering assembly (3) at one end and at least one wheel at the other end. The steering assembly includes a pair of steering wheels (4a, 4b) and an interconnecting steer... | 12/26/2006 |
| 7143432 | System for transforming streaming video data According to one embodiment, a circuit configured to form an output video stream includes a resolution modification circuit configured to receive a plurality of video frames from a frame buffer, and configured to modify resolution of the plurality of video frames, w... | 11/28/2006 |
| 7124304 | Receiving device for securely storing a content item, and playback device A receiving device for securely storing a content item on a storage medium is disclosed. The content item is stored in a secure format, and has an associated license file. The license file is encrypted using public key associated with a group of playback devices, so... | 10/17/2006 |
| 7118502 | Drive arrangement A scooter drive arrangement which includes a first shaft, with a one-way bearing and a clutch, which is connected to a driven wheel, and a second shaft, which is rotated by an engine, through a centrifugal clutch, which has two fixed pulleys which respectively drive... | 10/10/2006 |
| 7114174 | Computer program product for transforming streaming video data According to one embodiment, a computer program product for a system including a processor includes a tangible memory including code that directs the processor to determine an output resolution for an output stream of data, code that directs the processor to determi... | 09/26/2006 |
| 7098931 | Image management system and methods using digital watermarks Digital watermarking technology is used in an image management system. Images are uniquely identified by digital watermarks. The images are stored so as to be indexed according to their unique identifiers. In the preferred embodiment, related images are linked toget... | 08/29/2006 |
| 7093295 | Method and device for protecting digital data by double re-encryption A method and an apparatus ensuring protection of digital data are provided. In addition to re-encrypting the data using an unchangeable key, the data is double re-encrypted using a changeable key. The changeable key is used first and the unchangeable key is then use... | 08/15/2006 |
| 7086491 | Personal compact cart A personal cart comprises a mounting structure secured onto two parallel and aligned suspension members near their respective proximal longitudinal ends so as to rest thereon, and extending both upwardly and longitudinally so as to generally define an angle with sai... | 08/08/2006 |
| 7058605 | Document transfer systems A document transfer system enabling a consumer to obtain a document from an owner upon payment uses a cryptographic protocol involving the consumer, the owner, a document source, such as a printer, and a mediator. ... | 06/06/2006 |
| 7047241 | System and methods for managing digital creative works Digital Creative Works such as copyrighted electronic media are packaged in a secure electronic format, or CONTAINER, and registered on associated registration server, which serves to provide on-line licensing and copyright management for that Work. Users are connec... | 05/16/2006 |
| 7006661 | Digital watermarking systems and methods The present invention relates to digital watermarking systems and methods. In a first implementation, so-called movie studio rough-cuts are watermarked to provide a forensic tracking clue or to provide security for distributed rough-cuts. In another implementation, ... | 02/28/2006 |
| 6974076 | Portable music player with pay per play usage and method for purchase of credits for usage A portable content playback device that includes the ability to accept a media with electronic playback credits, i.e. a smart card, that is pre-loaded with credits. Alternatively, the device may have internal memory that is capable of storing electronic credits. Con... | 12/13/2005 |
| 6973444 | Method for interdependently validating a digital content package and a corresponding digital license A method is disclosed for a device to interdependently validate a digital content package having a piece of digital content in an encrypted form, and a corresponding digital license for rendering the digital content. A first key is derived from a source available to... | 12/06/2005 |
| 6959386 | Hiding encrypted messages in information carriers An identification code signal is hidden in a carrier signal (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned. The carrier signal can thereby be identified, or some machine responsive ac... | 10/25/2005 |
| 6957344 | Manufacturing trusted devices The present invention discloses a method and apparatus for manufacturing trusted devices. A licensing authority provides keying information to a multitude of manufactures that insert the keying information into trusted devices. The trusted devices generate final pri... | 10/18/2005 |
| 6944776 | System and method for data rights management A system and method for data rights management across multiple data rights management architectures is disclosed. The system and method solves the problems posed by multiple incompatible data rights management architectures. In particular, a data rights management c... | 09/13/2005 |
| 6941477 | Trusted content server A method and apparatus for providing access to authenticated electronic documents over a network. The apparatus comprises a server computer, a user interface connected to the server via a first network interface for providing user access to the server, a computer ne... | 09/06/2005 |
| 6695331 | Kinetic energy generating mechanism A kinetic energy generating mechanism includes a driving part, a transmission part, and a driven part. The driving part includes front and rear rollers separately mounted on a vehicle, and an actuating belt wound around the front and rear rollers. The tra... | 02/24/2004 |
| 6511087 | Jogging kick scooter A jogging kick scooter is constructed to include a rectangular open base frame, a track assembly formed of rolls and an endless belt and mounted in the open base frame, a steering control handlebar mounted in the front side of the open base frame to hold ... | 01/28/2003 |
| 6505845 | Jogging scooter A jogging scooter is constructed to include a base holding a set of tracker rollers, two tracks mounted on the tracker rollers and arranged in parallel, a front wheel rack provided at a front side of the base, two front wheel holders respectively pivoted ... | 01/14/2003 |
| 6398245 | Key management system for digital content player A method of managing keys used by a digital content player on a computer system. According to the method, digital content data encrypted with a first encrypting key is decrypted using a first decrypting key, and re-encrypted using a second encrypting key.... | 06/04/2002 |
| 5203585 | Split-beam suspension system A vehicle suspension system for wheeled vehicles includes a split-beam trailing arm which is secured to the vehicle frame pivotably at one end for vertical swinging movement relative thereto. The other end of the trailing arm supports an air spring assemb... | 04/20/1993 |
| 4334695 | Walking buggy A tricycle which includes a treadmill walked by a rider in order to power the vehicle, the treadmill including an endless belt, on which the rider's feet are placed, and the treadmill driving a system of pulleys, that turn an axle on which the rear wheels... | 06/15/1982 |
