×

Area monitoring sensor

  • US 8,248,235 B2
  • Filed: 04/21/2009
  • Issued: 08/21/2012
  • Est. Priority Date: 06/03/2008
  • Status: Expired due to Fees
First Claim
Patent Images

1. An area monitoring sensor that emits detection light in different emitting directions and senses an intruder within a monitor area based on reflection of the detection light, the predetermined monitor area as a polygonal shaped area defined by three or more sides, the sensor being provided on a first side out of the sides of the monitor area, the sensor comprising:

  • a side selecting unit that selects a second side other than the first side out of the three or more sides that define the monitor area based on an operation input;

    a distance specifying unit that specifies a distance between the area monitoring sensor and the second side selected by the side selecting unit based on an operation input; and

    an area size determining unit that determines a size of the monitor area based on the distance that has been specified by the distance specifying unit.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×