Due to the huge size of raw digital video data, compression must be applied to video for transmission and storage. There are many popular international standards for video compression including ISO MPEG1, MPEG2, MPEG4, ITU-T H.261, H.263, H.263+, etc. These are already commonly used in video distrib.....
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In conventional metallic waveguides, the transverse dimension of the waveguide determines the cut-off frequency for the transmission of electromagnetic (EM) waves. This means the larger the transverse dimension of the waveguide, the longer the wavelength of the guided waves. Hence, it may not be pra.....
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Positioning and location identification is useful in a number of industrial fields. In logistics and transportation domain, such information provides an in-depth understanding to the whole supply chain for example by knowing the position of each cargo, carrier, vehicles, and even human at real-time......
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The Present Invention Relates To An Apparatus And A Method For Wireless Purchase Of Merchandise From A Vending Machine By Using A Cellular Mobile Phone. The Present Invention Permits A Cellular Mobile Phone User To Dial A Sequence Of Code On The Phone To Invoke The Vending Machine To Dispense Mercha.....
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It Makes More Sense Internet users have long been able to communicate using text, images and sound. Now, thanks to new technology developed at the Chinese University of Hong Kong, another means of interaction can be added to the list: the ability to touch. While costly existing systems for remote .....
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