| http://www.w3.org/ns/prov#value | - The display-information output source 1210 has a memory such as a ROM (read only memory) and a RAM (random access memory), a storage unit including a magnetic storage disk, an optical storage disk, and so forth, and a tuning circuit for outputting a tuned digital image signal, and sends display information in the form of an image signal and the like with a predetermined format to the display-infor
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