G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 3/033 (2006.01) G01R 31/36 (2006.01) G06F 1/16 (2006.01) G06F 1/32 (2006.01) G06F 3/14 (2006.01) H01M 2/10 (2006.01) G09G 3/34 (2006.01)
Patent
CA 2059498
ABSTRACT OF THE DISCLOSURE A data input and display apparatus comprising a tablet to which an information signal is inputted by designating a coordinate position, a display circuit for generating a display signal in accordance with the information signal inputted from the tablet, a display member capable of visually representing the display signal, a control circuit for generating a control signal by detecting the presence of any input to the tablet, a light source for illuminating the display circuit from behind, a light source controller for controlling the light source in response to the control signal generated from the control circuit, a power circuit for obtaining a driving voltage from a voltage source, a means for detecting the state of the voltage source, and a luminance control means for controlling the luminance of the light source in response to the output of the detecting means. The power circuit is capable of selecting either a first voltage produced by rectifying an AC power supply, or a second voltage obtained from a battery.
Sugimoto Mitsuaki
Takahara Hideki
Takano Toshio
Gowling Lafleur Henderson Llp
Sony Corporation
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