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Remote video monitoring of non-urban outdoor sites

  • US 7,710,452 B1
  • Filed: 03/16/2006
  • Issued: 05/04/2010
  • Est. Priority Date: 03/16/2005
  • Status: Expired due to Fees
First Claim
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1. A method of remotely monitoring an outdoor site, the method comprising:

  • providing a self-contained video monitoring unit (VMU) at the outdoor site near ground elevation, including affixing a chassis of the VMU to a permanent mount, and providing a generally cylindrical housing enclosing the chassis, the housing being formed from an alloy that includes ferrous material;

    passively monitoring, from within the housing of the VMU, an ambient magnetic field at the outdoor site to detect a disturbance caused by a presence of a substantial ferrous object;

    in response to a detection of a disturbance in the ambient magnetic field,capturing video data by the VMU; and

    wirelessly transmitting, from the VMU, a signal representing at least a portion of the video data to a computer.

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