| 7039938 |
Selective encryption for video on demand |
| May-2-2006 |
A video on demand (VOD) method, consistent with the invention involves storing multiple selective encrypted VOD content on a VOD server; receiving an order for the VOD content specifying delivery to a... |
| 6993508 |
Method and mechanism for vending digital content |
| Jan-31-2006 |
An Internet Box Office (IBO) system and technique vends digital content via a computer network, such as the Internet. The IBO system comprises a viewing system that cooperates with a Digital Rights Management... |
| 6978022 |
System for securing encryption renewal system and for registration and remote activation of encryption device |
| Dec-20-2005 |
An encryption renewal system for generating entitlement control messages, the system being secured by physical separation of components. The encryption renewal system has a first computing platform for... |
| 6968059 |
Video information generating apparatus, video communication terminal, video distribution server, and video information system |
| Nov-22-2005 |
The conventional multimedia communication terminals require the implementation of a camera unit for video input and a video encoder for generating encoded video streams. This configuration is expensive... |
| 6957344 |
Manufacturing trusted devices |
| Oct-18-2005 |
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... |
| 6913197 |
Method for inducing upgrading of an expandable product |
| Jul-5-2005 |
The security modules used in pay television and in other applications are intended to develop and thus to be replaced. In order to promote the replacement of a previous generation by a new one, the method... |
| 6898285 |
System to deliver encrypted access control information to support interoperability between digital information processing/control equipment |
| May-24-2005 |
A system for streaming encrypted conditional access (CA) data, such as control words, from a primary or master conditional access provider (CAP) to one or more secondary CAPS. The primary CAP encrypts... |
| 6823453 |
Apparatus and method for implementing spoofing-and replay-attack-resistant virtual zones on storage area networks |
| Nov-23-2004 |
A storage area network resistant to spoofing attack has several nodes each having a port, and storage area network interconnect interconnecting the ports. Each port is provided with a hash function generator... |
| 6754347 |
Input/output unit, input/output method, and receiving unit |
| Jun-22-2004 |
A switching portion of an IRD supplies a non-descrambled TS (transport stream) received from a front end portion or a descrambled TS received from a descrambler to a DVCR connected to an IEEE 1394 interface.... |
| 6725459 |
Descrambling device for use in a conditional access system |
| Apr-20-2004 |
In a conditional access system, a system and method for descrambling a scrambled instance having a predetermined encryption cycle rate is claimed. The invention takes advantage of the inherent encryption... |
| 6721958 |
Optional verification of interactive television content |
| Apr-13-2004 |
A system and method implemented in an interactive television system for selectively controlling the verification of interactive television content delivered to a receiver wherein a notification is provided... |
| 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... |
| 6711552 |
Apparatus and method for saving commerce related information in a broadcast programming network |
| Mar-23-2004 |
An apparatus for saving commerce information in a broadcast programming network includes a communications device capable of being tuned to receive any of multiple broadcast video programming reception... |
| 6697949 |
Method and apparatus for controlling a user's pc through an audio-visual broadcast to archive information in the users pc |
| Feb-24-2004 |
A method for allowing a consumer to access an advertiser's location over a global communication network. A normal broadcast program is broadcast to a class of consumers having a unique signal embedded... |
| 6668246 |
Multimedia data delivery and playback system with multi-level content and privacy protection |
| Dec-23-2003 |
A content distribution system comprising a server platform and a client platform. The server platform includes a memory unit to store digital content and access control logic to activate content protection... |
| 6662007 |
Cordless phone back link for interactive television system |
| Dec-9-2003 |
A system for communicating information from a television viewer to a central site includes a remote control unit for sending command signals from the viewer to a television or video cassette recorder (VCR).... |
| 6643781 |
Method and apparatus for rendering stolen computing devices inoperable |
| Nov-4-2003 |
The present invention requires a computing device to interact with an authorized host computer on a fairly regular basis in order to maintain operability. In one embodiment, there is stored within the... |
| 6633982 |
Method and process for managing ultra secure electronic distribution of digital movies to commercial exhibitors |
| Oct-14-2003 |
A method and system for managing electronic distribution of digital movies to commercial exhibitors at warp speed is made ultra secure by utilizing synchronized and concurrent digitally bifurcated data... |
| 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... |
| 6618584 |
Terminal authentication procedure timing for data calls |
| Sep-9-2003 |
A subscriber terminal initiates an authentication procedure with a supporting wireless communications system in response to either a timer expiration based trigger, a state change based trigger, or a combination... |
| 6591419 |
Digital multi-media device and method relating thereto |
| Jul-8-2003 |
A method of transmitting a transport stream over an IEEE 1394 Serial Bus comprising stripping out of the transport stream identifiable unrequired data so as to reduce the bandwidth of the transport stream,... |
| 6470411 |
Method and device for accessing sets of data contained in mass memory |
| Oct-22-2002 |
The invention relates to a method of access to data sets stored in a bulk memory. During an access time to a data set, the method provides for reading introduction data and exploiting these. This way the... |
| 6459794 |
Process for scrambling and process for descrambling digital video data and devices implementing the processes |
| Oct-1-2002 |
The invention relates to a process for scrambling video data in the MPEG2 video format as well as to a process for descrambling data scrambled according to the process of the invention. The scrambled video... |
| 6427013 |
Information broadcasting method, receiver, and information processing apparatus |
| Jul-30-2002 |
An information broadcasting method, a receiver, and an information processing apparatus make it possible to secure safety of information transmission between an information center and information. By encrypting... |
| 6405369 |
Smart card chaining in pay television systems |
| Jun-11-2002 |
A pay television system including a pay television network and a subscriber unit which receives pay television transmissions via the pay television network and displays the pay television transmissions... |
| 6373946 |
Communication security |
| Apr-16-2002 |
A satellite mobile telecommunications system includes mobile terminals 2a, 2b which can communicate with one another using end-to end encryption and decryption techniques. When secure end-to-end communication... |
| 6307939 |
Method and equipment for allocating to a television program, which is already conditionally accessed, a complementary conditional access |
| Oct-23-2001 |
A method and an equipment for allocating to a television program, which is already conditionally accessed, a complementary conditional access. The television program is first received by means provided... |
| 6304969 |
Verification of server authorization to provide network resources |
| Oct-16-2001 |
Systems and methods for verifying the authorization of a server to provide network resources to a client. At selected times, the client asserts an authorization interrupt, which will disable some or all... |
| 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... |
| 6222925 |
Interactive entertainment content control |
| Apr-24-2001 |
Methods and apparatus are provided for control access to, and user interaction with, a branch structured narrative entertainment (70). Selected paths (parallel lined portions BC, DE, GY) are locked to... |
| 6091823 |
Transaction processing system utilizing teletext broadcasting system and terminal used in the transaction processing systems |
| Jul-18-2000 |
A transaction processing system includes a broadcasting station broadcasting a television signal and a teletext signal, the teletext signal including service information concerning transactions, a home-use... |
| 6061452 |
Secure media on demand system whereby charge is determined in part from the periodicity of an encryption key |
| May-9-2000 |
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... |
| 6005937 |
Universal decoder |
| Dec-21-1999 |
A universal decoder consisting of modules that may be exchanged with a module of a like type which provides automatic frequency changes and remote system control of the decoder by a host computer. The... |
| 5870474 |
Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
| Feb-9-1999 |
A control system provides secure transmission of programs, including at least one of video, audio, and data, between a service provider and a customer's set top unit over a digital network. Program bearing... |
| 5832287 |
Wideband on-demand video distribution system and method |
| Nov-3-1998 |
A system and method for distributing video or audio or other interactive program information to multiple users includes master files of such program information that can be selectively distributed to community... |
| 5761607 |
System for local processing/accessing and representation of large volumes of data |
| Jun-2-1998 |
A system for transmitting films to consumers having reduced response time, an increased number of available films and improved user interactivity. The system utilizes a simple inexpensive communication... |
| 5745482 |
Repeating device |
| Apr-28-1998 |
In a repeating device for sending chargeable satellite broadcasting received through a BS antenna to a connected cable, a scrambled video signal and an audio signal are separated from each other by a separation... |
| 5734720 |
System and method for providing digital communications between a head end and a set top terminal |
| Mar-31-1998 |
A system and method for scheduling the receipt of desired movies and other forms of data from a network. Feedback paths are provided so that customer's profiles and/or the profiles of the video programs... |
| 5642418 |
Satellite television system and method |
| Jun-24-1997 |
A system for controlling the acquisition of encrypted program signals such as television or other signals utilizing existing equipment in use in telecommunications networks. The transmitted program signals... |
| 5640453 |
Universal interactive set-top controller for downloading and playback of information and entertainment services |
| Jun-17-1997 |
A universal interactive control system for the downloading and playback of information and entertainment services from one or more network distribution centers, said one or more network distribution centers... |
| 5592551 |
Method and apparatus for providing interactive electronic programming guide |
| Jan-7-1997 |
A subscription television system is provided that transmits a plurality of television signals to a plurality of subscribers. The television signals include pay-per-view programs (purchased by feature)... |
| 5583937 |
Method for providing video programming nearly on demand |
| Dec-10-1996 |
A method for providing video programming in a nearly on demand basis is disclosed. A video network includes a video server that operates several video recorders to simultaneously exhibit video performances... |
| 5539822 |
System and method for subscriber interactivity in a television system |
| Jul-23-1996 |
A system for providing interactive services in a subscription television system comprises a system network controller for controlling the interactive services having controller memory for storing subscriber... |
| 5530754 |
Video on demand |
| Jun-25-1996 |
A video-on-demand system in which catalog data is periodically transferred to the user sites, where it is stored. This catalog data includes listings of the video products available at the central station,... |
| 5526435 |
Communications apparatus for scrambling data and synchronizing a plurality of terminals |
| Jun-11-1996 |
The invention prevents unauthorized use of data in communications. When terminals with different data transmission rates are simultaneously connected to a host computer, the host computer sets a single... |
| 5442700 |
Scrambling method |
| Aug-15-1995 |
A system for scrambling a television signal by designating a horizontal line number on a pseudorandom basis and then stripping the vertical and horizontal synch components from the signal at each location... |
| 5426699 |
Method and apparatus for digitizing a scrambled analog video signal |
| Jun-20-1995 |
An on demand services feature for the provision of video, audio, and data services for a subscription system of the CTV type, or the like. The system comprises a headend coupled to a distribution network... |
| 5412720 |
Interactive home information system |
| May-2-1995 |
An interactive cable television system having a plurality of feeder servers, a plurality of home interface controllers and a feeder port. Home interface controllers are each equipped with a radio frequency... |
| 5392353 |
Interactive satellite broadcast network |
| Feb-21-1995 |
Encrypted communications ensure privacy of communications point-to-point in a network of interactive video stations interconnected by a broadcast network. The encryption as a function of personal identity... |
| 5291554 |
Shared-price custom video rentals via interactive TV |
| Mar-1-1994 |
Movies and like video programs are distributed electronically from a program storage and processing center in encrypted format over a satellite channel upon custom order for private viewing of one paying... |
