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Patent Application 2003/0095096 issued as United States Patent No. 7,345,671 on 18 March 2008. 7,345,671 is titled "METHOD AND APPARATUS FOR USE OF ROTATIONAL USER INPUTS". At a very general level, the patent is directed to the clickwheel of an iPod. For more specific details, please refer to the claims. Claim 1 is copied below.
1. A portable media player, comprising: a storage device that stores media content for each of a plurality of media items; a display screen that displays a portion of the media items at a time; a user input device having an exposed upper surface that enables a user of said portable media player to at least identify a particular media item from the media items being displayed through a rotational action with respect to the exposed upper surface of said user input device, wherein said user input device comprises a rotary dial and a button, and wherein the button is provided at the center of the rotary dial; and a processor operatively connected to said storage device and said user input device, said processor controls said portable media player to play the media content of the particular media item that was identified using said user input device, wherein, responsive to the rotational action with respect to the exposed upper surface of said user input device, visual feedback is provided on said display screen.
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Patent pending is a warning that a patent application has been filed. It is completely worthless until and unless a patent is actually issued for that invention. Patent number notice means a patent with that number was issued for the invention that is implemented in the product labeled with that number.
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A blocking patent is a patent relating to a particular area of technology which prevents another patent from being used because the other patent relies on technology covered by the first.
What shrinks black patent leather?
what shrinks black patent or black patent leather?
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Who holds patent number 555408021?
There is no US patent 555408021. There is also no US patent 55408021.
