초록 ▼

A transportation safety apparatus and method for the detection of obstacles which lie off the line-of-sight or beyond the field of view of a moving vehicle entails shooting a laser beam through the air from a moving vehicle, capturing the beam and passing it to a fiberoptic relay which transmits a l

A transportation safety apparatus and method for the detection of obstacles which lie off the line-of-sight or beyond the field of view of a moving vehicle entails shooting a laser beam through the air from a moving vehicle, capturing the beam and passing it to a fiberoptic relay which transmits a laser pulse to a distant site, and receiving a reflection thereof if the site is clear of obstacles. The pulses are received within about 10-20 microseconds per kilometer of relay length from the time of launching, permitting monitoring of the probe-site in real-time.

대표청구항 ▼

An electro-optic transportation warning system for examining a location in an intended path of a moving vehicle for a blockage when that location is not within the line-of-sight of the moving vehicle comprising: (i) a laser transceiver means to transmit a laser signal from the moving vehicle through

An electro-optic transportation warning system for examining a location in an intended path of a moving vehicle for a blockage when that location is not within the line-of-sight of the moving vehicle comprising: (i) a laser transceiver means to transmit a laser signal from the moving vehicle through air; (ii) a first fiberoptic coupling means to collect the laser signal through a collimating means to form a collimated signal; (iii) a fiberoptic cable to receive the collimated signal and transmit that signal to the location being examined; (iv) a second fiberoptic coupling means to receive the collimated signal at the location being examined, to split the signal into multiple signals to form a time delay amongst the multiple signals, and to pass the multiple signals across the intended path of the moving vehicle; (v) multiple laser signal receiving means; and (vi) a means to transmit receipt and non-receipt of a laser signal by the laser signal receiving means to the moving vehicle.