Interactive video distribution systems – Video distribution system with local interaction – Headend
Reexamination Certificate
2011-03-01
2011-03-01
Miller, John W (Department: 2421)
Interactive video distribution systems
Video distribution system with local interaction
Headend
C725S023000, C725S060000, C725S113000, C725S141000, C725S153000, C348S513000, C348S516000, C348S547000, C348S553000, C348S734000
Reexamination Certificate
active
07900236
ABSTRACT:
A system for transmitting auxiliary data within a modulated video signal from a broadcast source to a hand-held device with a slot, the system comprising the broadcast source comprises means for transmitting auxiliary data to the slotted hand-held device via the modulated video signal; an interface device electronically coupled to the hand-held device via the slot and comprises a card microcontroller, a receiver electronically coupled to the card microcontroller for receiving the modulated video signal from the broadcast source, and circuitry electronically coupled to the card microcontroller and the receiver for demodulating the modulated video signal and reproducing the auxiliary data, and transferring the auxiliary data to the hand-held device via an interface protocol, and the hand-held device with the slot comprises a microcontroller for processing the signal auxiliary data received via the interface protocol from the interface device.
REFERENCES:
patent: 4807031 (1989-02-01), Broughton et al.
patent: 2002/0112250 (2002-08-01), Koplar et al.
J.D. Neal, Hardware level VGA and SVGA Video Programming Information Page VGA Display Generation, FreeVGA, 1998, available at: http://www.stanford.edu/class/cs140/projects/pintos/specs/freevga/vga/vgacrtc.htm.
Barsoum Yousri H.
Chupp Christopher E.
Ciardullo Daniel A.
Maltagliati Alan G.
Dubasky Gigi L
Koplar Interactive Systems International L.L.C.
Miller John W
Polsinelli Shughart PC
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