Cette invention décrit un système et un procédé pour transaction en ligne. Le système incorpore un protocole de communication DVB-H (53) dans un appareil de communication portable (51) pour recevoir et visionner des publicités multimédia à partir d'un fournisseur de télévision numérique. En outre, l.....
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A casing structure and function changing method thereof are disclosed. The casing structure has a casing space divided by a partition layer into a first space and a second space. The first space is provided for accommodating an electronic apparatus like a laptop computer while the second space is pr.....
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A motion estimation method for a succession of frames in a digital coding system includes: with reference to a first block in a first frame, searching a second frame for a second block that corresponds to the first block; and estimating a motion vector of the first block with respect to the second b.....
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A LED lamp and an optical lens thereof are provided. The LED lamp includes a LED light source and an optical lens covering the LED light source. The optical lens includes a dome structure and a protrusion structure. The dome structure has an external surface. The protrusion structure is disposed pro.....
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A semiconductor element and a manufacturing method thereof are provided. The semiconductor element includes a substrate and multiple semiconductor chips disposed thereon. The semiconductor chips are arranged to form multiple sequentially nested circle(s), and a circumference of each of which is arra.....
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