Patent
Receiver with interface for interaction with controller-decoder
Ashok K. George,John M Jeffers +1 more
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TLDR
In this article, a serial communication protocol is proposed for data transfer between the microcomputer of the receiver and an addressable controller-decoder designed for use in conjunction therewith.Abstract:
An interface permits bi-directional data signal transfer between the microcomputer of the receiver and an addressable controller-decoder designed for use in conjunction therewith. The data transfer permits expansion of the receiver functions and future adaptability to a variety of satellite services. The interface transfers messages from the microcomputer representing keystrokes received from the receiver keyboard and the status of the various receiver components and receives commands from the decoder for regulating the operation of the receiver components and for the transfer of specific information. The data transfer is achieved through a serial communication protocol which facilitates the interaction between units.read more
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Signal processing apparatus and methods.
John C. Harvey,James W. Cuddihy +1 more
TL;DR: A unified programming communication system involving communications of the prior art (such as eg television, radio, print transmitted electronically, and computer communications) and new mass media specific users is defined in this paper.
Patent
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Talal G. Shamoon,Ralph D. Hill,Chris D. Radcliffe,John P. Hwa,W. Olin Sibert,David M. Van Wie +5 more
TL;DR: In this paper, a novel method and apparatus for protection of streamed media content is disclosed, which includes control means for governance of content streams or content objects, decryption means for decrypting content streams under control of the control means, and feedback means for tracking actual use of content stream or content object.
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Douglas M. Dillon,Vivek Gupta +1 more
TL;DR: In this article, a user can select whether data downloaded from a network (such as the Internet) is transmitted to the requesting terminal via a high-speed link, such as a satellite link, or a lower speed link,such as a terrestrial link.
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Information display scheme for subscribers of a subscription television system
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Patent
Method and apparatus for selectively allocating and enforcing bandwidth usage requirements on network users
Douglas M. Dillon,Vivek Gupta +1 more
TL;DR: In this article, a hybrid gateway intercepts requests made by the requesting terminals and, if necessary, reduces the advertized window size of requests, thereby reducing the transmission speed of the link.
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Patent
Interactive CATV system
Matsumoto Katsuaki,Saeki Yoshibumi,Osamu Tazawa,Kosaka Minoru,Masaki Saito,Uemura Hiroki,Tetuo Kanazashi,Seiji Hashimoto,Tsuyoshi Fujiwara,Tsutomu Fukui,Saburo Takaoka,Suzuki Tsutomu,Shozo Nakamuta,Hosaka Toshihiko,Shiratori Kuniaki,Youichiro Tsuda,Takashi Morii,Sumitaka Matsumura,Morihisa Oka +18 more
TL;DR: A two-way CATV system incorporating a central processor and transmitter system which continually interrogates the terminals at high speed, monitoring changes of usage of premium programs and other data while also permitting central control of access to restricted premium programs is described in this article.
Patent
Pay per view television control device
John C. Seaton,Leonard Cohen +1 more
TL;DR: In this paper, an apparatus and method for providing limited access to broadcast television programming in a CATV system where each television subscriber is provided with a converter for converting broadcast television signals into signals suitable for reception and display by a conventional television receiver and means for disabling the converter from producing TV compatible signals selectively activated by a switching device.
Patent
Apparatus for encoding of information
TL;DR: In this article, the authors proposed an information encoding apparatus consisting of at least two modulators, each operating on a different channel, a random data terminal and means responsive to the random data signal to enable the combining means to receive a carrier wave modulated with information from individual modulators in turn.