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Bookmark with integrated electronic timer and method therefor

  • US 8,018,796 B2
  • Filed: 01/12/2011
  • Issued: 09/13/2011
  • Est. Priority Date: 02/18/2004
  • Status: Active Grant
First Claim
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1. A bookmark comprising:

  • a header;

    an electronic timer disposed within the header;

    a display disposed on a first surface of the header, the display configured to display an output of the electronic timer;

    a plurality of first control buttons disposed on the first surface of the header, the first control buttons configured to control an operation of the electronic timer;

    a plurality of second control buttons disposed on a second surface of the header that is substantially perpendicular to the first surface of the header, the second control buttons configured to control the operation of the electronic timer;

    a substrate extending from the header, a width of the substrate substantially equivalent to a width of the header, a thickness of the substrate less than a thickness of the header, a length of the substrate greater than a length of the header, and a first surface of the substrate substantially coplanar with a third surface of the header, the third surface of the header opposite the first surface of the header;

    a sensor disposed on the substrate, the sensor responsive to an external condition and automatically start and stop the operation of the electronic timer in response to the external condition; and

    the external condition is indicative of the bookmark being either inside a closed book or not inside a closed book.

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