H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/16 (2006.01) G06F 3/033 (2006.01) G08B 5/22 (2006.01)
Patent
CA 2108760
A radio paging receiver to enable a user to readily and quickly access desired display information even when received display information cannot be displayed at one time. The receiver includes an optical coordinate information reader such as an optical mouse. The information reader has light emitting source of two different wavelengths and light receiving lens for detecting the lights of the two different wavelengths. Also, a plate having two different non-reflective patterns is provided. One of the pattern is non-reflective to one of the two wavelengths, and another pattern is non-reflective to another wavelength. Therefore, when the user puts and moves the receiver on the plate, the receiver can detect a direction and an amount of the moving by detecting reflected light by the plate. Whereby, the receiver shifts the display position in the total received display information.
Corporation Nec
Smart & Biggar
LandOfFree
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