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| Number | Title | Issue Date |
| 5724091 | Compressed digital data interactive program system An interactive cable television system is disclosed which utilizes a standard cable television distribution network for simultaneously providing a plurality of viewers with an interactive television program comprising a plurality of signals related in tim... | 03/03/1998 |
| 5649285 | Transmission of tuning data of broadcasting transmitters to a receiver to facilitate automated set-up of the receiver based on receivable transmitters in a reception area Device and method for transmitting tuning data (transmission frequency, channel number) of broadcasting transmitters to receivers for user-friendly installation of the receivers. To this end, the device transmits tuning data packets. Each tuning data pack... | 07/15/1997 |
| 5644354 | Interactive video system A method of transmitting data for video display in which a composite digital information signal is manipulated to produce an output signal including data code and object code, separately storing the data code and control data, processing the stored data i... | 07/01/1997 |
| 5614940 | Method and apparatus for providing broadcast information with indexing A method and apparatus generates and transfers a stream of broadcast information which includes multiple video and audio information segments to a receiving device. Once received, the segments are stored in a cache and indexing information associated with... | 03/25/1997 |
| 5590394 | Data transmission system for CATV systems with capability to interrupt the repeated transmission of character information blocks to send priority updates A data transmission system for sending a plurality of signals from a sender to at least one receiving terminal. The sender comprises a memory for storing the plurality of signals, and a controller for causing the stored plurality of signals to be sent in ... | 12/31/1996 |
| 5585858 | Simulcast of interactive signals with a conventional video signal A system for simulcasting a fully interactive program with a normal conventional program in the same standard video signal bandwidth. It allows active participation by subscribers who have interactive components connected to a television or personal compu... | 12/17/1996 |
| 5566353 | Point of purchase video distribution system A video distribution system for full motion video media, usually in the form of advertisements, that allows video programs to be transmitted from a distribution center to a multitude of receiving sites, typically retail stores, dispersed over a wide geogr... | 10/15/1996 |
| 5559549 | Television program delivery system An expanded television program delivery system is described which allows viewers to select television and audio program choices from a series of menus. The primary components of the system include an operations center, a digital cable headend, and at leas... | 09/24/1996 |
| 5544161 | ATM packet demultiplexer for use in full service network having distributed architecture A video distribution network having an architecture that distributes video services over a greater serving area. The broadcast consolidation section receives broadband data from a plurality of information providers, preferably as compressed, digital signa... | 08/06/1996 |
| 5539451 | Method and apparatus for channel spinning off a channel A method and an apparatus for spinning off a channel so as to provide a viewer with a choice of viewing a first program (e.g., the TV program), a second program (e.g., a news brief), or both are disclosed. More specifically, a method for providing such a ... | 07/23/1996 |
| 5526034 | Interactive home information system with signal assignment An interactive home information system having a node in television communication and data communication with a group of home interface controllers. At each home interface controller, there is a signal input for receiving television signals from the node o... | 06/11/1996 |
| 5524001 | Dynamic cable signal assembly The present invention relates to a method of data assembly for distribution of the data via a mass audience distribution system, comprised of storing in a random access memory packets of data which are to be transmitted to the audience, storing in a first... | 06/04/1996 |
| 5510828 | Interactive video display system An interactive video display system is disclosed for communicating with local viewers. The system includes a receiver for receiving a modulated signal carrying related audio and video information. A video and audio control is operatively connected to the ... | 04/23/1996 |
| 5485221 | Subscription television system and terminal for enabling simultaneous display of multiple services A headend of a subscription television system includes a video combiner that combines video signals from four separate programs into a composite video signal. The video signals are formatted to produce the composite video signal such that one of the progr... | 01/16/1996 |
| 5469431 | Method of and apparatus for channel mapping with relative service identification The availability and location of a multiplicity of multiplexed digital information streams, transmitted over one of a multiplicity of channels, are identified by transmitting a Global Channel Map which includes a version number, one Band Map Table, one Ch... | 11/21/1995 |
| 5418782 | Methods and apparatus for providing virtual service selection in a multi-service communications system Methods and apparatus are disclosed for providing virtual service selection in a multi-service communications system wherein the service components of each of a number of basic services are transmitted to subscriber locations on one of a plurality differe... | 05/23/1995 |
| 5404505 | System for scheduling transmission of indexed and requested database tiers on demand at varying repetition rates An information broadcasting system provides a large number of subscribers access to a large amount of information using one or more satellite transmission channels. The system can also use cable television transmission channels. A program supplier station... | 04/04/1995 |
| 5386240 | Encoder/decoder of information upon/from a video signal An encoder/decoder can insert and demodulate an information signal without affecting a video signal, the information signal being not analyzed, modified and deleted easily. The non-inverted and inverted information signals are inserted into two horizontal... | 01/31/1995 |
| 5359601 | Apparatus providing dynamic virtual service selection in a multi-service communications system An apparatus providing a dynamic virtual service capability in a multi-service communications system is claimed. A dynamic virtual service comprises an associated group of basic services wherein only one of the basic services in the group is active at any... | 10/25/1994 |
| 5335277 | Signal processing appparatus and methods A unified system of programing communication. The system encompasses the prior art (television, radio, broadcast hardcopy, computer communications, etc.) and new user specific mass media. Within the unified system, parallel processing computer systems, ea... | 08/02/1994 |
| 5323234 | Programmable CATV system and terminal unit therefor A CATV head end, terminal unit, and system permits time reservation of selected programs by the simple process of entering a program number at the terminal unit. At the head end selected programs are transmitted via cable to the terminal units and include... | 06/21/1994 |
| 5282028 | Remote control for digital music terminal with synchronized communications A remote control system including a hand held remote control unit with an alphanumeric information display, for controlling and communicating with a first controlled device, such as a digital music tuner connected to a community antenna television (CATV) ... | 01/25/1994 |
| 5231494 | Selection of compressed television signals from single channel allocation based on viewer characteristics A plurality of television signals are transmitted and selectively received on a single television channel allocation. Headend apparatus compresses a set of television signals, such as a main program signal and a plurality of different demographically targ... | 07/27/1993 |
| 4937821 | Pipeline information delivery system An information delivery system which continuously provides sets of information which can be selected by a user. Digital data is encoded as analog signals which are used to amplitude modulate a carrier signal. A plurality of such modulated carrier signals,... | 06/26/1990 |
| 4876592 | System for merchandising and the evaluation of responses to broadcast transmissions A system and method for evaluating responses to broadcast programs, such as television programs, for the selling of merchandise includes a modifiable instructional signal modulated onto a voice signal transmitted concurrently with a television program, or... | 10/24/1989 |
| 4847698 | Interactive television system for providing full motion synched compatible audio/visual displays An interactive television system (10, 10a) for providing full motion synched compatible audio visual displays based on dynamic user selection (26) of a plurality of syllable synched compatible audio choices for a common full motion video frame presentatio... | 07/11/1989 |
| 4847699 | Method for providing an interactive full motion synched compatible audio/visual television display A method for providing a full motion synched compatible audio/visual interactive television display from a plurality of syllable synched compatible audio choices for a common full motion video frame presentation. Two or more audio channels are synched to ... | 07/11/1989 |
| 4616263 | Video subsystem for a hybrid videotex facility A video subsystem for a hybrid teletex facility includes a computer-based video control unit coupled to a general purpose interface bus, such as the IEEE 488, capable of parallel data transfer at the requisite rate. Appended from the bus are a plurality o... | 10/07/1986 |
| 4264925 | Interactive cable television system An interactive cable television system, such as a one way system, simultaneously provides both regular television programmings for one or more television reception channels and subscriber selectable multi-information television programming for a designate... | 04/28/1981 |
| 4264924 | Dedicated channel interactive cable television system An interactive cable television system, such as a one-way system, in which a plurality of subscribers are simultaneously provided with multi-information television programming and regular television programming independently selectably directly receivable... | 04/28/1981 |
| 4052737 | Method and apparatus utilizing Baudot code for categorizing and selectively distributing information to a plurality of utilization units Disclosed is a method and apparatus for selectively distributing on a multiple channel television system information previously transmitted and received in the Baudot code. The transmitted information is encoded into a sequence of Baudot characters to inc... | 10/04/1977 |
