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Interactive and conventional television information system    
United States Patent5550578   
Link to this pagehttp://www.wikipatents.com/5550578.html
Inventor(s)Hoarty; W. Leo (Santa Clara, CA); Soske; Joshua W. (Sunnyvale, CA)
AbstractAn interactive television information system coupled to a cable television system having a headend for supplying information services and an information service distribution network for delivering information services to subscriber televisions. Each subscriber television is associated with a home interface controller. The home interface controllers receive the television information signals and include a data transceiver for data communications. A subscriber selection device associated with a home interface controller permits subscriber interaction through the data transceiver with an assigned interactive controller from a plurality of interactive controllers. The assigned interactive controller is in communication with the information sources and in television communication with its assigned home interface controller. Selection of an information source nay be made through channel selection of an apparent channel from any of a first group of apparent channels and a second group of apparent channels. Different information services on different apparent channels from the first group of apparent channels are provided to a given home interface controller via the same television information signal as the subscriber changes channel selection from one of the apparent channels in the first group of apparent channels to another apparent channel in the first group of apparent channels. To receive apparent channels from the second group of apparent channels, a home interface controller simply selects the television information signal at its input corresponding to the selected channel.



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Drawing from US Patent 5550578
Interactive and conventional television information system - US Patent 5550578 Drawing
Interactive and conventional television information system
Inventor     Hoarty; W. Leo (Santa Clara, CA); Soske; Joshua W. (Sunnyvale, CA)
Owner/Assignee     ICTV, Inc. (Los Gatos, CA)
Patent assignment
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Publication Date     August 27, 1996
Application Number     08/318,982
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     October 6, 1994
US Classification     725/120 370/486 725/37 725/114 725/118 725/131
Int'l Classification     H04N 007/173
Examiner     Harvey; David E.
Assistant Examiner    
Attorney/Law Firm     Bromberg & Sunstein
Address
Parent Case     This is a divisional of copending application Ser. No. 08/056,958 filed on May 3, 1993, which is a continuation in part of U.S. application Ser. No. 07/877,325, filed May 1, 1992, now U.S. Pat. No. 5,412,720 which in turn is a continuation in part of U.S. application Ser. No. 07/754,932, filed Sep. 10, 1991, now U.S. Pat. No. 5,220,420 which is a continuation in part of U.S. application Ser. No. 07/589,205, filed Sep. 27, 1990, issued as U.S. Pat. No. 5,093,718. These related applications are hereby incorporated herein by reference.
Priority Data    
USPTO Field of Search     348/7 348/6 348/8 348/9 348/10 348/12 348/13 348/385 348/386 348/387 455/3.1 455/3.2 455/4.1 455/4.2 455/5.1 455/6.1 455/6.2 455/6.3 370/73 370/71 370/69.1
Patent Tags     interactive conventional television information
   
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