| 4024574 |
Validation method and apparatus for pay television systems |
| May-17-1977 |
A predetermined pattern of code signals is periodically inserted into the transmitted encoded television signal. The pattern is so chosen that a bistable circuit at the receiver changes state for each... |
| 4250524 |
Validation apparatus in a pay television system |
| Feb-10-1981 |
A validation apparatus in a pay television system, including a code detector means for successively detecting a sequence of code signals, from an encoded composite TV signal, a key code circuit means having... |
| 6658568 |
Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management |
| Dec-2-2003 |
The present invention provides methods and systems for secure, automated transaction processing for use in electronic commerce and electronic rights and transaction management over an electronic network... |
| 4268860 |
Television subscriber apparatus |
| May-19-1981 |
This disclosure is concerned with modulating the tuning of a picture carrier frequency trap to insure audible distortion of the sound signal in a subscriber television system irrespective of variations... |
| 4115807 |
Telephone billing apparatus for a subscription television system |
| Sep-19-1978 |
Each decoder has a random access memory storing program code, a security number, a customer identification number, and program identification numbers utilized for billing purposes. Communication between... |
| 4823385 |
System for processing coded information |
| Apr-18-1989 |
A system for processing coded information is disclosed. A receiver receives coded information from a source. The receiver is equipped with a decoder and a real time clock. The coded information is decoded... |
| 5758257 |
System and method for scheduling broadcast of and access to video programs and other data using customer profiles |
| May-26-1998 |
A system and method for scheduling the receipt of desired movies and other forms of data from a network which simultaneously distributes many sources of such data to many customers, as in a cable television... |
| 6282293 |
System and method for charging fee for video information |
| Aug-28-2001 |
In a fee charging system for video information, scramble signals including video information and charging information can be recorded on a recording media such that the signals are read later therefrom.... |
| 4797918 |
Subscription control for television programming |
| Jan-10-1989 |
A method and apparatus for one-way subscription television service control which allows the subscribers to subscribe in advance to a variety of programming or to select programming oa a pay-per-view basis. |
| 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... |
| 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... |
| 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... |
| 4916737 |
Secure anti-piracy encoded television system and method |
| Apr-10-1990 |
A scrambling and descrambling system and method for the video and/or audio portions of a broadcast TV signal, for example, broadcast by cable, microwave or communication satellite, includes a telephone... |
| 6222924 |
Scrambling of digital media objects in connection with transmission and storage |
| Apr-24-2001 |
To prevent unauthorized reception, storage, copying and reproduction of digital media objects it is defined in addition to a scrambled broadcast format a scrambled storage format which is different from... |
| 6925562 |
Scheme for blocking the use of lost or stolen network-connectable computer systems |
| Aug-2-2005 |
Scheme for switching a computer system (21), which is connectable via a communication interface and a network (22) to a server module (23), into a special mode of operation. The computer system (21) comprises... |
| 4068264 |
Pay television system utilizing binary coding |
| Jan-10-1978 |
At the sending end randomly generated binary code number signals are inserted into predetermined lines of the vertical retrace interval. The code number signals are also processed in accordance with a... |
| 4833710 |
Pay television system |
| May-23-1989 |
This invention, relating to a unidirectional television system such as satellite television broadcasting system, is intended to transmit and receive the charging information corresponding to the content... |
| 4225884 |
Method and system for subscription television billing and access |
| Sep-30-1980 |
A subscription television system and method in which billing information regarding programs actually viewed by a subscriber of the system is accumulated over non-dedicated telephone lines. A scrambled... |
| 4163254 |
Method and system for subscription television billing and access |
| Jul-31-1979 |
A subscription television system and method in which billing information regarding programs actually viewed by a subscriber of the system is accumulated over non-dedicated telephone lines. A scrambled... |
| 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... |
| 6161179 |
Key-based protection method for light-readable discs |
| Dec-12-2000 |
To protect access to information recorded on a light-readable disc, a light-readable disc player provides the user with a unique key each time the user attempts to play the disc. After the user communicates... |
| 4975951 |
IPPV programming distribution control system |
| Dec-4-1990 |
A distribution control system for controlling the distribution of scrambled impulse pay per view (IPPV) programming from a plurality of different IPPV programmers to a plurality of descramblers. The system... |
| 6249532 |
Interactive chargeable communication system with billing system therefor |
| Jun-19-2001 |
A billing system for use in a chargeable program broadcasting is capable of reliably billing a subscriber for program reception while preventing unauthorized reception thereof. A receiving terminal includes... |
| 6002694 |
Interactive chargeable communication system with billing system therefor |
| Dec-14-1999 |
A billing system for use in a chargeable program broadcasting is capable of reliably billing a subscriber for program reception while preventing unauthorized reception thereof. A receiving terminal includes... |
| 5081680 |
Initial reporting of remotely generated data |
| Jan-14-1992 |
A device for reporting remotely stored data is coupled to a descrambler in an impulse pay-per-view television system for storing and reporting data pertaining to subject matter descrambled by the descrambler,... |
| 5016272 |
Home video system |
| May-14-1991 |
A home video system comprising a headend system, a transmission channel, a trap, a converter, descrambling equipment, receiving equipment, and requesting equipment. The headend equipment includes program... |
| 6690797 |
Descrambling device for the use of several conditional access sub-systems |
| Feb-10-2004 |
The descrambling device comprises hardware resources (1) and first memory zones (CA1, CA2, . . . , CAn) to store at least two different access control codes for controlling the hardware resources. The... |
| 5727065 |
Deferred billing, broadcast, electronic document distribution system and method |
| Mar-10-1998 |
An electronic document delivery system and method in which a broadcast center periodically sends a "catalog" of available documents to a receiving computer, thereby allowing a user to browse through the... |
| 4091417 |
Decoder mode validation apparatus for pay television systems |
| May-23-1978 |
A predetermined pattern of code signals is periodically inserted into the transmitted encoded television signal. The pattern is so chosen that a bistable circuit at the receiver changes state for each... |
| 6889327 |
Copyrighted digital data management method, contents provider, user terminal, and data recording medium |
| May-3-2005 |
After a user terminal executes a data usage accounting procedure for a contents provider, enciphered copyrighted digital data generated by enciphering chargeable copyrighted digital data using encryption... |
| 6584199 |
Conditional access system and method thereof |
| Jun-24-2003 |
A conditional access system (CAS) for processing signals between a pay broadcast management system and a digital receiver includes a resource subscriber management system (RSMS) for predetermining time(s)... |
| 5204900 |
Coding system for descrambling video |
| Apr-20-1993 |
A system for scrambling and descrambling complex signals, such as video signals, employs a system for encoding the decoding information, in the form of two security keys, directly onto the scrambled signal... |
| 5345505 |
Coding system for a data signal |
| Sep-6-1994 |
A system for scrambling and descrambling complex data signals, such as video signals, employs a system for encoding the decoding information, in the form of two security keys, directly onto the scrambled... |
| 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... |
| 4710955 |
Cable television system with two-way telephone communication path |
| Dec-1-1987 |
A method and apparatus to enable billing of subscribers of pay-per-view television systems or the like on a non-real-time basis. A scrambled television signal is received at a subscriber terminal from... |
| 4163255 |
Billing method and system for a subscriber of a pay television system |
| Jul-31-1979 |
Each decoder has a random access memory storing program code numbers, a security number, a customer identification number, and program identification numbers utilized for billing purposes. Communication... |
| 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... |
| 6304660 |
Apparatuses for processing security documents |
| Oct-16-2001 |
A security document processing apparatus is provided having a feed path for receiving documents and at least one imaging assembly for capturing image data from documents received in the apparatus. The... |
