Systems and methods for storing a plurality of video streams on re-writable random-access media and time-and channel- based retrieval thereof
DCFirst Claim
Patent Images
1. A digital video recorder (DVR) for recording a plurality of television broadcast programs, comprising:
- a mass data storage unit that concurrently and continuously receives and digitally stores a plurality of television broadcast programs together with time information to allow said plurality of stored television broadcast programs to be synchronized with respect to one another; and
a channel viewer, coupled to said mass storage unit, that retrieves a portion of one of said plurality of stored television broadcast programs from said mass data storage unit based on a received command and presents said portion on a video display device.
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Accused Products
Abstract
A digital video recorder (DVR) and a method of operating the same. In one embodiment, the DVR includes: (1) a mass data storage unit that concurrently and continuously receives and digitally stores a plurality of channels and (2) a channel viewer, coupled to the mass data storage unit, that retrieves a portion of one of the plurality of channels from the mass data storage unit based on a received command and presents the portion on a video display device.
507 Citations
33 Claims
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1. A digital video recorder (DVR) for recording a plurality of television broadcast programs, comprising:
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a mass data storage unit that concurrently and continuously receives and digitally stores a plurality of television broadcast programs together with time information to allow said plurality of stored television broadcast programs to be synchronized with respect to one another; and
a channel viewer, coupled to said mass storage unit, that retrieves a portion of one of said plurality of stored television broadcast programs from said mass data storage unit based on a received command and presents said portion on a video display device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
NTSC analog TV, PAL/SECAM analog TV, digital TV, analog HDTV, and digital HDTV.
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17. The DVR as recited in claim 1 wherein said DVR selectively moves by one commercial time unit within said one of said plurality of channels in response to a second received command.
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18. The DVR as recited in claim 17 wherein said received command is employable to achieve catch-up viewing.
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19. A method of operating a digital video recorder, comprising the steps of:
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receiving a plurality of television broadcasts, each television broadcast including a video signal; and
concurrently and continuously digitally storing said plurality of television broadcasts on a mass data storage unit and storing said plurality of television broadcasts together with time information to allow said plurality of stored television broadcasts to be synchronized with respect to one another upon replay of said stored television broadcasts. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
NTSC analog TV, PAL/SECAM analog TV, digital TV, analog HDTV, and digital HDTV.
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32. The method as recited in claim 19 further comprising the step of selectively moving by one commercial time unit within said one of said plurality of television broadcasts in response to a received command.
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33. The method as recited in claim 32 wherein said step of selectively moving comprises the step of engaging in catch-up viewing.
Specification