| 7043020 |
Smartcard for use with a receiver of encrypted broadcast signals, and receiver |
| May-9-2006 |
A smartcard for use with a receiver of encrypted broadcast signals comprises a microprocessor for enabling or controlling decryption of said signals. A memory is coupled to the microprocessor. The microprocessor... |
| 7039955 |
Embedded blacklisting for digital broadcast system security |
| May-2-2006 |
An apparatus and method for transmission security is presented. A receiver communicatively coupleable to an identifiable conditional access module (CAM) to enable reception of the service uses an authenticator... |
| 6975725 |
Method for standardizing the use of ISO 7816 smart cards in conditional access systems |
| Dec-13-2005 |
A conditional access system and method are disclosed allowing the use of a standard smart card. A computing resource configured to run the conditional access protocol has a smart card interface and a software... |
| 6975725 |
Method for standardizing the use of ISO 7816 smart cards in conditional access systems |
| Dec-13-2005 |
A conditional access system and method are disclosed allowing the use of a standard smart card. A computing resource configured to run the conditional access protocol has a smart card interface and a software... |
| 6970960 |
Instream loader |
| Nov-29-2005 |
A method of downloading data to a receiver/decoder comprises the steps, at the receiver/decoder, of: receiving a bitstream including the data; downloading a loader for loading the data from the bitstream... |
| 6944734 |
Storage apparatus and access control method |
| Sep-13-2005 |
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 information indicative... |
| 6928419 |
Method and apparatus for repackaging portions of digital works as new digital works |
| Aug-9-2005 |
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 rights... |
| 6910022 |
Usage rights grammar and digital works having usage rights created with the grammar |
| Jun-21-2005 |
A system for associating usage rights with digital content. Usage rights are created from a grammar. The usage rights specify a manner of use indicating one or more stated purposes for which the digital... |
| 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.... |
| 6708157 |
System for controlling the distribution and use of digital works using digital tickets |
| Mar-16-2004 |
A system for controlling the distribution and use of digital works using digital tickets. In the present invention, a "digital ticket" is used to entitle the ticket holder to exercise some usage right... |
| 6618484 |
Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
| Sep-9-2003 |
Electronic steganographic techniques can be used to encode a rights management control signal onto an information signal carried over an insecure communications channel. Steganographic techniques ensure... |
| 6539479 |
System and method for securely logging onto a remotely located computer |
| Mar-25-2003 |
Prior to a login session, a server computer stores a password verification value v for each of a plurality of authorized users. Each user generates a password verification value v from a secret value x... |
| 6466671 |
Smartcard for use with a receiver of encrypted broadcast signals, and receiver |
| Oct-15-2002 |
A smartcard for use with a receiver of encrypted broadcast signals comprises a microprocessor for enabling or controlling decryption of said signals. A memory is coupled to the microprocessor. The microprocessor... |
| 6449367 |
Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
| Sep-10-2002 |
Electronic steganographic techniques can be used to encode a rights management control signal onto an information signal carried over an insecure communications channel. Steganographic techniques ensure... |
| 6408077 |
Descrambling device of a security element and security element comprising such a device |
| Jun-18-2002 |
In a device for descrambling scrambled digital data, the digital data are grouped into parallel combinations of bits before being descrambled. The combinations of bits are descrambled and then split back... |
| 6321385 |
Data receiving-processing apparatus and method, and broadcasting method |
| Nov-20-2001 |
A data receiving-processing apparatus including a receiver for receiving an extended function program or data transmitted thereto, a processor for processing the received data, a first storage such as... |
| 6310538 |
Process of access restriction to a telecommunications network, telecommunications system and unit for such a system |
| Oct-30-2001 |
The invention relates to a process of restriction the access of a terminal to a telecommunication network. The invention includes using the current user authentication procedure usually implemented in... |
| 6272650 |
System and method for disambiguating scene graph loads |
| Aug-7-2001 |
A system and method for loading a scene graph in a plurality of loads, associates one or more undesignated nodes of a scene graph with an appropriate one of a plurality of loads. The technique is accomplished... |
| 6240185 |
Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
| May-29-2001 |
Electronic steganographic techniques can be used to encode a rights management control signal onto an information signal carried over an insecure communications channel. Steganographic techniques ensure... |
| 6126069 |
Chip card, method and system for using and paying for services |
| Oct-3-2000 |
Anonymous use of and payment for, as well as collection of statistics, fee-based services, in particular Near-VOD services, employing a single chip card that can be used for all service providers. The... |
| 6122374 |
Method of reading a service card |
| Sep-19-2000 |
In a video-communication receiver provided with a deciphering module (13) used for the descrambling of scrambled transmissions, using a memory card (17) for providing information required for descrambling,... |
| 6035037 |
System for processing a video signal via series-connected high speed signal processing smart cards |
| Mar-7-2000 |
A system processes a video signal that includes a plurality of signal components representing respective ones of a plurality of video programs such as various pay-TV programs. Each of the signal components... |
| 6018581 |
Communication system and communication method |
| Jan-25-2000 |
A communication system can maintain high security in communication between a communication apparatus and a terminal. The communication system includes the communication apparatus and the terminal provided... |
| 5978012 |
Data receiving-processing apparatus and method, and broadcasting method |
| Nov-2-1999 |
A data receiving-processing apparatus including a receiver for receiving an extended function program or data transmitted thereto, a processor for processing the received data, a first storage such as... |
| 5933500 |
Adaptive decoding system for processing encrypted and non-encrypted broadcast, cable or satellite video data |
| Aug-3-1999 |
An adaptive decoder generates a program representative datastream, in selectable, encrypted or decrypted form. A method for adaptively processing input encrypted program data with an associated encryption... |
| 5787172 |
Apparatus and method for establishing a cryptographic link between elements of a system |
| Jul-28-1998 |
A secure cryptographic network is established among operational units in a system. A public key cryptosystem is initially used to establish secure communication links. Then, each secure communication link... |
| 5774546 |
Secure access system utilizing an access card having more than one embedded integrated circuit and/or plurality of security levels |
| Jun-30-1998 |
A data access system is provided including a processor, an IC card reader and writer coupled to the processor and including an IC card receptacle, and an IC card which is insertable into the IC card receptacle... |
| 5742680 |
Set top box for receiving and decryption and descrambling a plurality of satellite television signals |
| Apr-21-1998 |
A system and corresponding method are provided for selecting one of a plurality of simultaneously received encrypted direct broadcast satellite (DBS) signals for decryption and viewing. A converter box... |
| 5694470 |
System for reading encrypted information, and unit for use in such a system |
| Dec-2-1997 |
A computer system for reading encrypted information is disclosed. A unit (24) for decrypting the information is open only as long as a display tool (A4) occupies a system-modal operative mode (SM). In... |
| 5689569 |
Method and device for the utilization of electrical signals |
| Nov-18-1997 |
An interface is made for a device for the exploitation of electrical signals between a receiver of this device and a device for the exploitation of these signals. The interface is capable of sending, alternatively,... |
| 5675654 |
System and method for interfacing a transport decoder to a national renewable security systems (NRSS) smart card |
| Oct-7-1997 |
A transport decoder 110, for receiving and processing a transport data stream using MPEG-2 formats, includes connections to a physical layer channel interface (channel interface) 112, a buffer memory 114,... |
| 5668872 |
Information processing method and system |
| Sep-16-1997 |
An information processing method and system in which coded or incomplete information is transmitted through a space or through a predetermined transmission line and is received by a user. A program or... |
| 5511125 |
Method and device for the utilization of electrical signals |
| Apr-23-1996 |
An interface is made for a device for the exploitation of electrical signals between a receiver of this device and a device for the exploitation of these signals. The interface is capable of sending, alternatively,... |
| 5497418 |
Data processing system having a set of memory cards |
| Mar-5-1996 |
A data processing system comprises a set of memory cards (10) and at least one central administration and processing unit (22). According to the invention, the memory cards and the processing unit together... |
| 5481609 |
System for controlling access to broadcast transmissions |
| Jan-2-1996 |
A system for controlling access to broadcast transmissions including a transmitter having a transmission encoder for scrambling the broadcast, a multiplicity of subscriber receivers, each having an identical... |
| 5426701 |
Cable television converter box with a smart card connector underneath |
| Jun-20-1995 |
A Cable Television (CATV) Converter box or computer has a Smart Card connector mounted in a bottom wall thereof. The Converter box includes a case having a top wall, the bottom wall, and four side walls,... |
| 5282249 |
System for controlling access to broadcast transmissions |
| Jan-25-1994 |
A system for controlling access to broadcast transmissions including a transmitter having a transmission encoder for scrambling the broadcast, a multiplicity of subscriber receivers, each having an identical... |
| 5237610 |
Independent external security module for a digitally upgradeable television signal decoder |
| Aug-17-1993 |
A decoder for descrambling encoded satellite transmissions comprises an internal security module and a resplaceable security module. The program signal is scrambled with a key and then the key itself is... |
| 5053884 |
Control apparatus for selectively inhibiting looking/listening in CATV terminal equipment |
| Oct-1-1991 |
A control apparatus for selectively inhibiting looking/listening in CATV terminal equipment is provided in which an identity number may be inputted for allowing looking/listening even when a changeover... |
| 5018021 |
Individualized video center |
| May-21-1991 |
A coin-operated TV system is disclosed that uses separate TV displays or sets, each having an individual coin acceptor, program selector and control. Centralized sources of pre-recorded and/or publicly... |
| 4998278 |
Method and apparatus for scramble type broadcast receiving with contract management and scramble type broadcasting system |
| Mar-5-1991 |
A method and an apparatus for scramble type broadcast receiving capable of proper contract management and strict prevention of illegitimate program receptions. The method includes the steps of deciphering... |
| 4993066 |
Method for television scrambling |
| Feb-12-1991 |
A method and device for inexpensively and efficiently controlling the distribution of pay-per-access information services is disclosed including varying scrambling methods and user exchangeable cards. |
| 4905280 |
High security videotext and videogame system |
| Feb-27-1990 |
A pay per use system allows the broadcast of television, videotext, and videogame programming all in the same system. The programming is broadcast in scrambled form with a broadcast signal imbedded in... |
| 4768229 |
Restrictive access control system |
| Aug-30-1988 |
A restrictive access control system includes a 3-state switch for controlling the operating mode of the system and limiting tuning access to only designated channels. Tuning information is provided to... |
| 4682224 |
System, method, and apparatus for television signal scrambling and descrambling |
| Jul-21-1987 |
A system for providing intelligible video program signals and corresponding video synchronization signals to authorized video displays only comprising transmitting means for transmitting scrambled signals... |
| 4682223 |
Descrambler unit method and apparatus for television signal descrambling |
| Jul-21-1987 |
A method of descrambling received video program signals with transmitted synchronization signals for use in a video receiver comprising the steps of providing first terminals for receiving the scrambled... |
| 4663664 |
Electronic ticket method and apparatus for television signal scrambling and descrambling |
| May-5-1987 |
An electronic ticket for descrambling transmitted video program and synchronization signals for use in a video receiver comprising first terminals for receiving the scrambled video signals, a descrambling... |
| 4605846 |
Optically readable card carrying digital data, and an access control system using said card |
| Aug-12-1986 |
The card is particularly intended to give a card-holder access to a service such as pay-TV (broadcast or cable), but in principle could be adapted to any lock-and-key type of system, e.g. credit cards,... |
| 4567516 |
Special program decoding of scrambled subscription television transmissions |
| Jan-28-1986 |
This disclosure is concerned with a limited time operative decoder for special scrambled television program transmissions involving a voltage source for energizing the decoder of limited time effectiveness... |
| 4494143 |
Television descrambler with security plug having folded flexible printed circuit board providing tier tag memory |
| Jan-15-1985 |
A descrambler or decoder for premium scrambled television signals compares the tier of the received signal with the contents of a memory associated with the descrambler. The memory of each descrambler... |
