Timothy T Loftus

US Patent:

61812447, Jan 30, 2001

Filed:

Oct 30, 1998

Appl. No.:

9/183260

Inventors:

Jackson Lee Hall - Eden Prairie MN
William Wood - Apple Valley MN
Timothy Loftus - Minneapolis MN

Assignee:

General Security Services Corporation - Minneapolis MN

International Classification:

G08B 1300

US Classification:

340541

Abstract:

A portable monitoring system for use at sites, such as construction sites, is provided. The portable monitoring system can provide enhanced security at such sites and may be quickly set up and taken down. A portable monitoring system, in accordance with one embodiment of the invention, includes a housing and a plurality of portable sensing devices and a plurality of mounting platforms both capable of being removably stored in the housing. The mounting platforms may be easily retrieved from the housing and disposed about the site and are each capable of detachably mounting one or more of the portable sensing devices. The portable sensing devices each include a sensor for sensing a stimulus and a transmitter, coupled to the sensor, for transmitting a signal associated with the stimulus. The housing further includes a communication system for receiving the transmitted signals from each of the portable sensing devices and communicating signals associated with the sensed stimuli to an external system.