| 4945563 |
Video system and method for controlled viewing and videotaping |
| Jul-31-1990 |
A satellite TV or cable video receiver includes a decoder for decoding information embedded in a broadcasted TV program which can be utilized to permit an operator to select the program for viewing only,... |
| 4991208 |
Video control system having session encryption key |
| Feb-5-1991 |
A video system includes a central facility and a terminal. Video program means for provides the terminal with a video program including a series of television fields including a first field containing... |
| 5054064 |
Video control system for recorded programs |
| Oct-1-1991 |
A video system includes a central facility and a terminal. Means are provided for playing a video recording medium storing a video program including a series of television fields including a first field... |
| 5592550 |
Video cassettes and other pre-recorded media cartridges |
| Jan-7-1997 |
A carriage assembly embodying pre-recorded media such as tape or film, and typically a VHS or other standard reel-type video cassette, incorporate built-in self-contained control means. This includes a... |
| 4355415 |
Tuning mode arrangement useful for restricting channel selection to certain channels |
| Oct-19-1982 |
A television tuning system includes a memory for storing tuning information with first and second groups of memory locations for storing different tuning information for the same group of predetermined... |
| 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... |
| 5825876 |
Time based availability to content of a storage medium |
| Oct-20-1998 |
A service methodology for time based availability to content, such as, movies, music, games, information and the like, provisioned on a storage medium whereby revenue may be generated for premier and pay-per-use... |
| 4354201 |
Television system with access control |
| Oct-12-1982 |
A television system with access control comprises a transmitter and receis. The transmitter comprises a video signal and sound signal formation circuit, means for transmitting these signals and a jamming... |
| 4890320 |
Television broadcast system for selective transmission of viewer-chosen programs at viewer-requested times |
| Dec-26-1989 |
A televsion broadcast system using land lines is provided for real-time transmission of a viewer-chosen program at a viewer requested time to the requesting viewer's television receiver. The preferred... |
| 4323921 |
System for transmitting information provided with means for controlling access to the information transmitted |
| Apr-6-1982 |
A system for transmitting information between an emitting center and receiving stations, comprising: a subscription administration center generating a plurality of subscriber's keys C.sub.i changing randomly... |
| 4528643 |
System for reproducing information in material objects at a point of sale location |
| Jul-9-1985 |
The present invention contemplates a system for reproducing information in material objects at a point of sale location wherein the information to be reproduced is provided at the point of sale location... |
| 5400402 |
System for limiting use of down-loaded video-on-demand data |
| Mar-21-1995 |
A digital data system that includes a control system at a customer site that blocks access to a down-loaded stored program after it has been viewed a predetermined number of times (e.g., once), or after... |
| 7031471 |
System for controlling the distribution and use of rendered digital works through watermarking |
| Apr-18-2006 |
A trusted rendering system for use in a system for controlling the distribution and use of digital works. A trusted rendering system facilitates the protection of rendered digital works which have been... |
| 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... |
| 6122372 |
System and method for encapsulating transaction messages with verifiable data generated identifiers |
| Sep-19-2000 |
A data structure and method are disclosed for encapsulating a message with a verifiable message ID and a verifiable identification of message interpretation information. The encapsulated message includes... |
| 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.... |
| 5677953 |
System and method for access control for portable data storage media |
| Oct-14-1997 |
The system and method of the present invention provides the support of high density removable media, such as CD-ROM or MO, to be used as a distributed media for storing data where access thereto is securely... |
| 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... |
| 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... |
| 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... |
| 6072874 |
Signing method and apparatus using the same |
| Jun-6-2000 |
The present invention provides a signing apparatus used for signing by a user on usage information of a source provided in a format made available by the use of key information. The apparatus includes... |
| 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... |
| 4792973 |
Selective enablement of descramblers |
| Dec-20-1988 |
A system in a subscriber television network for enabling descrambling of a received scrambled signal on a prepaid basis and/or an impulse-purchase basis. A received mask signal uniquely related to the... |
| 4802215 |
Security system for television signal encryption |
| Jan-31-1989 |
A conditional access system for over-air transmission and reception of scrambled television signals improves the reliability of the reception by transmitting a key signal for use in descrambling the television... |
| 6951029 |
Security device managed access to information |
| Sep-27-2005 |
In an information delivery system, a security device (SD) manages an access to information (INF). The security device (SD) is capable of providing a pointer (PO) which indicates a location (LO) from which... |
| 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... |
| 6298441 |
Secure document access system |
| Oct-2-2001 |
A method for downloading a document via a communications medium operatively associated with a communications interface, the method including receiving the document from the communications medium, placing... |
| 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... |
| 4864615 |
Reproduction of secure keys by using distributed key generation data |
| Sep-5-1989 |
A key security system provides for the reproduction of secure keys by using distributed key generation data and a distributed encrypted prekey. The system encrypts program key generation data with a program... |
| 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... |
| 5144662 |
Public communication system comprising distributed stations, and station and sub-station for use in such a communication system |
| Sep-1-1992 |
A public communication system for encrypted audio/video information has various selective entitlement organizations with respect to its distributed receiver station. Such receiver station comprises one... |
| 5742681 |
Process for the broadcasting of programmes with progressive conditional access and separation of the information flow and the corresponding receiver |
| Apr-21-1998 |
Process for the broadcasting of programmes with progressive conditional access and separation of the information flow, as well as the corresponding receiver, In order to form the elementary flow, groups... |
| 4245246 |
Pay TV system |
| Jan-13-1981 |
An apparatus for coding video information arranged in a plurality of lines comprises means for selectively inverting video information in groups of lines. A random timing device controls the number of... |
| 4130833 |
Pay television system |
| Dec-19-1978 |
The standard composite television signal is modulated onto an intermediate frequency carrier signal. The so-modulated signal is applied to the input of a first and second frequency converter for conversion... |
| 5794115 |
Pay broadcasting system having a broadcasting station and a charging center |
| Aug-11-1998 |
A system for the so-called "pay-per-program" is provided for viewing individual program on pay basis without signing a comprehensive contract. In response to a request for viewing a pay program executed... |
| 5901339 |
Pay broadcasting system |
| May-4-1999 |
A system for the so-called "pay-per-program" is provided for viewing individual program on pay basis without signing a comprehensive contract. In response to a request for viewing a pay program executed... |
| 5504933 |
Pay broadcasting system |
| Apr-2-1996 |
A system for the so-called "pay-per-program" is provided for viewing individual program on pay basis without signing a comprehensive contract. In response to a request for viewing a pay program executed... |
| 5159633 |
Multimedia network system |
| Oct-27-1992 |
There is disclosed a multimedia network system for transmitting real-time communication type information such as a television video signal and storage type information such as a computer file using at... |
| 6493763 |
Multimedia communication system and communicating apparatus |
| Dec-10-2002 |
A multimedia communication system is constructed by a terminal device for user which is used for the user to receive information, a terminal device for information provider which is used by an information... |
| 4893248 |
Monitoring and reporting system for remote terminals |
| Jan-9-1990 |
A system is disclosed for monitoring and accumulating data indicative of viewer authorized pay per view TV programs at each of a plurality of remote terminals, wherein each remote terminal is coupled illustratively... |
| 6744891 |
Methods and system for ensuring royalty payments for data delivered over a telephone network utilizing bidirectional communication |
| Jun-1-2004 |
A method and system for delivering data over a communication network which ensures-proper payment of royalties while preserving free access to data for purposes such as browsing or research. An exemplary... |
| 5381477 |
Method of selecting cable television converter groups |
| Jan-10-1995 |
A method of selecting individual subscribers for inclusion in groups by means of certain selection criteria comprises the steps of storing criteria related to terminals of a subscription television system,... |
| 4388643 |
Method of controlling scrambling and unscrambling in a pay TV system |
| Jun-14-1983 |
Scrambling of a video signal in a pay TV system is effected in dependence upon a first variable which is changed recurrently, e.g. monthly, and a second variable which changes from field to field. For... |
| 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... |
| 5621792 |
Method and system of controlling the mode of access to signals, in particular picture signals |
| Apr-15-1997 |
The present invention concerns a method of controlling the mode of access to wanted signals, such as picture signals (IMAGE), whereby the user selects an access mode to a wanted signal remotely. A first... |
| 7043453 |
Method and system for conducting transactions between repositories using a repository transaction protocol |
| May-9-2006 |
A method and apparatus for establishing a secure communications channel between a first repository and a second repository using a repository transaction protocol. A registration identifier and registration... |
| 5557677 |
Method and arrangement for communication of information |
| Sep-17-1996 |
In a transmitter, information for transmission is received in the form of a digital signal, electrical or optical, which is converted into short signal fragments, each of which is assigned an index. A... |
| 4890322 |
Method and apparatus for subscription broadcast |
| Dec-26-1989 |
The system (10) provides a way of utilizing announcement distribution service equipment (21) which is presently in use in telecommunications networks (20) for ordering television or other signals (23)... |
| 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... |
