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pro vyhledávání: '"Jin Ki Roh"'
Publikováno v:
The Transactions of The Korean Institute of Electrical Engineers. 63:1281-1285
Recently, as the wide spread of smart phone, pico projector which is used at the smart phone is appeared as a portable display device. In this paper, among several pico projectors, laser beam scanner module is dealt with in which laser is used as lig