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Image scanner provided with power saving mode and a system having a power saving mode

  • US 20050052681A1
  • Filed: 05/28/2004
  • Published: 03/10/2005
  • Est. Priority Date: 05/29/2003
  • Status: Abandoned Application
First Claim
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1. A system having a power saving mode comprising:

  • a body provided with an original table having a surface for putting an original;

    an original cover coupled to the original table so that the original cover can be opened and closed to cover at least the surface of the original table;

    a light source for emitting a beam;

    a light-sensitive reading unit mounted in the body, which senses reflected light or transmitted light from the original on the surface on which the beam emitted from the light source is incident and converts the reflected light or transmitted light into an electric signal;

    a power source that supplies power to the light source and the light-sensitive reading unit;

    an external light-sensitive unit that detects external light incident on the surface of the original table or on the body from the outside of the body and outputs a detection signal; and

    a power source controller for controlling the power source based upon the detection signal to control whether a power saving mode is to be released or not.

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