A new type of liquid crystal display (LCD) is invented. Common LCDs are transmissive with a front and a back polarizer. For viewing in reflection, a diffuser and a mirror are added to the back of the LCD. The new LCD is a true reflective LCD where there is no rear polarizer. The LCD is simple in.....
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The present invention relates an instrument tuner possessing a fiber optic with a prewritten fiber Bragg grating. The tuner is suitable for providing more accurate instrument tuning, capable of not being subject to a tuner's subjectivity or distortions or electromagnetic interference.
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A method and apparatus for imparting false twist to a short staple yarn delivered from a nip of a pair of front drafting rollers before ring spinning. Downstream of the nip, the twisted yarn is drawn sequentially across first and second runs of travelling endless belts, such that the yarn wraps abou.....
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The present invention relates to a system for communicating encrypted data. In particular, the present invention relates to the technique known as quantum key distribution over multi-user wavelength division multiplexing (WDM) network with wavelength routing.
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Textiles have been the fastest growing waste stream in various countries for over a decade, leading to concerns over the negative impacts imposed on the environment. Over 75% of the total fabrics used for clothings are made of PET or PET/cotton blend, which cannot be mixed or woven together to form .....
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