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Signal processors for transparent and simultaneous transmission and reception of a data signal in a video signal    
United States Patent5587743   
Link to this pagehttp://www.wikipatents.com/5587743.html
Inventor(s)Montgomery; Gerald D. (Mesa, AZ); Norrish; Jay B. (Mesa, AZ)
AbstractSignal processors for permitting the transparent, simultaneous transmission and reception of a data signal in the video bandwidth is disclosed. The signal processor in the transmitter rasterizes the data at the horizontal scanning rate and modulates the data with a data carrier at a non-integral multiple of the horizontal scanning rate to obtain frequency interleaving. The data is transmitted during the active video portion of each video line.
   














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Drawing from US Patent 5587743
Signal processors for transparent and simultaneous transmission and reception of a data signal in a video signal - US Patent 5587743 Drawing
Signal processors for transparent and simultaneous transmission and reception of a data signal in a video signal
Inventor     Montgomery; Gerald D. (Mesa, AZ); Norrish; Jay B. (Mesa, AZ)
Owner/Assignee     WavePhore, Inc. (Tempe, AZ)
Patent assignment
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Publication Date     December 24, 1996
Application Number     08/224,734
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     April 8, 1994
US Classification     348/473 348/486 725/94 725/113 725/116 725/131
Int'l Classification     H04N 007/08 22-24 18 427 429 430 437 438 460 467 469 486 488 492
Examiner     Metjahic; Safet
Assistant Examiner    
Attorney/Law Firm     Snell & Wilmer
Address
Parent Case     This application is a divisional of U.S. patent application Ser. No. 07/947,134 filed Sep. 18, 1992, now U.S. Pat. No. 5,387,941, which is a continuation-in-part of U.S. patent application Ser. No. 07/715,920 filed Jun. 14, 1991, now U.S. Pat. No. 5,327,237 issued Jul. 5, 1994.
Priority Data    
USPTO Field of Search     348/6 348/7 348/8 348/17 348/6 348/7 348/8 348/461 348/432 348/433 348/436 348/665 348/607 348/608 348/478 348/464 348/468 348/476 348/385 348/386 348/389
Patent Tags     signal processors transparent simultaneous transmission and reception data signal video signal
   
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