| 5168353 |
Video distribution system allowing viewer access to time staggered indentical prerecorded programs |
| Dec-1-1992 |
System for distributing video programs includes a transmission system having a plurality of channels, includes a stored database representing a predetermined schedule including timing instructions. A computer... |
| 5887062 |
Two-way data communication method and two-way data communication apparatus using the same |
| Mar-23-1999 |
The invention relates to a two-way data communication apparatus in television broadcast or data broadcast signal transmitted through telephone circuit, and a two-way data communication apparatus according... |
| 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... |
| 5142576 |
System for securely providing restricted video information |
| Aug-25-1992 |
A system for securely providing restricted information having an encoder for transmitting selected update data with respective keys and a plurality of uniquely identified decoders for receiving said update... |
| 4736421 |
System for displaying the subscription state of a pay broadcasting program |
| Apr-5-1988 |
A program data (ATji) corresponding to a scrambled pay program signal, subscribed program data (BTji) representing a program signal subscribed by a subscriber and the scrambled program signal are demodulated... |
| 4694490 |
Signal processing apparatus and methods |
| Sep-15-1987 |
Apparatus and methods for automatically controlling programming transmissions and presentations on television and radio equipment and monitoring the programming transmitted and presented. ("Programming"... |
| 4712238 |
Selective-subscription descrambling |
| Dec-8-1987 |
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... |
| 5537612 |
Remotely selectable audio/video/text disruption |
| Jul-16-1996 |
A television receiver is equipped with hardware/firmware so that it may be disabled by a remotely transmitted series of codes. In a preferred embodiment, the display of the receiver indicates that the... |
| 4809325 |
Receiver for pay television |
| Feb-28-1989 |
A payment control apparatus for a pay television system includes a detector for detecting an advance fee data group transmitted from a center. An advance memory coupled to the detector stores the advanced... |
| 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... |
| 4789863 |
Pay per view entertainment system |
| Dec-6-1988 |
In a pay per view entertainment system, prerecorded entertainment such as musical works are distributed to subscribers over a cable network. The subscribers are able to listen to edited versions or previews... |
| 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... |
| 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)... |
| 4885775 |
Information display scheme for subscribers of a subscription television system |
| Dec-5-1989 |
An information display scheme for displaying subscriber unique information to subscribers of a subscription communications system. The system comprises template page receiving means coupled to the communications... |
| 4896354 |
Image reception system |
| Jan-23-1990 |
An image reception system is disclosed, which includes a tuner for selecting one of broadcast channels of CATV, a video detector connected to the tuner for deriving output signals having video signals... |
| 5237420 |
Electronic apparatus having broadcasting system identifier displaying capability |
| Aug-17-1993 |
An electronic apparatus, such as a television receiver, having broadcasting system identifier displaying capability is capable of receiving both signals of a broadcasting system in which the transmitter... |
| 4739510 |
Direct broadcast satellite signal transmission system |
| Apr-19-1988 |
Audio and control signals are digitized and inserted in the horizontal blanking intervals of the distributed composite television signal. The control signals are in the form of a data stream which includes... |
| 4759060 |
Decoder for a pay television system |
| Jul-19-1988 |
A decoder for a pay television system incorporates a receiver for receiving scrambled programming and control data transmitted from a remote location, with the control data including data corresponding... |
| 6832319 |
Content guard system for copy protection of recordable media |
| Dec-14-2004 |
A system and method for enabling broadcast programs to be copied once only by consumer recorders includes writing a unique media identification on each blank disk to which content is to copied in a read-only... |
| 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)... |
| 4829569 |
Communication of individual messages to subscribers in a subscription television system |
| May-9-1989 |
A subscription television system in which individual decoders are enabled to receive individually addressed messages is disclosed. The composite signal, including video and teletext, also comprises addressed... |
| 5091937 |
CATV terminal unit |
| Feb-25-1992 |
A CATV terminal in which an on-screen video message is superimposed over the selected video program to indicate if the selected program is a pay per view, i.e., chargeable, program. The in-band data from... |
| 5715315 |
CATV systems |
| Feb-3-1998 |
A CATV system including a CATV network, multiplicity of subscriber units, apparatus for transmitting over said CATV network encrypted information individually addressed to a subscriber unit and apparatus... |
| 5323462 |
CATV subscriber disconnect switch |
| Jun-21-1994 |
Television service denial apparatus comprises a microprocessor controller for controlling the generation of a control signal waveform. The control signal toggles a program denial device between first and... |
| 4673976 |
Cable television system data verification apparatus |
| Jun-16-1987 |
In a cable television system in which the individual subscriber's converter/tuner is located outside the subscriber's premises in an external control unit ("ECU") and controlled remotely via a subscriber... |
| 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... |
| 5420923 |
Addressed messaging in a cable television system |
| May-30-1995 |
A method of transmitting addressed messages to subscribers comprises the steps of defining the group or individual subscriber to be addressed, creating the message, assigning the message to the individual... |
