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SONICblue Granted Broad Patent on DVR Technology
hayb writes: "In another miscue from the U.S. Patent office, Sonicblue has received a patent for everything under the PVR sun. Now comes the question if they will go after others, or at least Tivo. To quote the first line of the patent: 'USPTO patent number 6,324,338 also covers methodology that creates, names, prioritizes and manages recorded programs on the hard drive for DVRs.'"
There are two things to note:
There is prior art for this stuff. Besides TiVo, people have tried to do this kind of technology before in the past; Java was spawned off of an 'embedded systems language' called Oak; which IIRC was built for things like PVRs, etc... but in the early 90s the public just wasn't ready for that kind of tech. Regardless, at the least TiVo was around before ReplayTV. Prior art is a powerful thing. Besides, SonicBlue has M$ To contend with as well, M$ having that UltimateTV thing (Which I strangely haven't seen/ heard ads for lately; i remember them blitzing the media early this summer.)
Additionally, as referenced in This Slashdot Article from earlier this year, TiVo was also recently granted a slew of patents on PVR Tech. I'm not sure which company got what tech patented however...
This patent is not just about recording video onto hard disks. Most of the claims are dependent on a clause that says "a processor selecting future shows from a channel guide database for recording based on said user specified criteria, wherein the selection of shows is based on one of either pattern matching or fuzzy logic analysis of the user specified criteria and the channel guide database, and wherein the processor further selects for removal a previously recorded show having a lower priority than the selected future shows if insufficient capacity exists for recording the future shows;" This allows you the box to learn that you like SciFi and automatically record all the SciFi shows. Not hard, once you hear the idea, but I remember thinking that was a good idea when the product first came onto the market.
Other claims talk about automatically recording portions of a program that repeats. That way you always have the latest CNN sports news. I don't think anybody's product does this yet. (But it does seem kind of $illy to have two dependent claims that mention CNN.)
This patent is not just a software patent. Yes, some of it can be implemented using software, but not all of it. I don't know all the prior art, but this isn't completely obvious, and it's certainly not as fundamental to the industry as the press release implies.
It looks like this thing is practically patenting copying video to a hard drive... so couldn't not only Tivo, but also RealPlayer, Windows Media Player, tons of independant video players, etc. be used as examples of prior art if SonicBlue were to go after anyone with this?
I haven't analyzed the patent enough to see if it is really trying to patent "copying video to a hard drive," but I did not get that on my first impression.
However, TiVo came AFTER ReplayTV, and RealPlayer streams video, it doesn't save it. Windows Media Player plays/streams video, it's not in charge of saving video. And the last two don't even deal with TV programs.
I think the title of their PR sums up the patent: "Patent Covers Methodology for Recording and Storing TV Shows."
"And like that
It's the claims which count, not what the marketing folks say.
Claim 1 requires a channel guide database, user criteria, that the processor use pattern matching or fuzzy logic, and an interesting kicker -- the processor also "further selects for removal a previously recorded show having a lower priority than the selected future shows if insufficient capacity exists for recording the future shows..."
Most of the independent claims (1, 19,30,36,42,48,49,50) have this limitation, namely the leabillity to automatically remove old recorded shows.
If you don't have this limitation, it seems to me you've avoided those claims.
On the other hand, I don't know what Claim 26 means!
namaste-