Transportation safety apparatus and method

Details Transportation safety apparatus and method Transportation safety apparatus and method

1996-07-12

1997-10-21

Mullen, Thomas

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in one vehicle only

340436, 340557, 246 25, 246 13, 246106, 246 33A, 246115, 246124, 246167R, 246182R, 246182A, B60Q 100

Patent

active

056801203

ABSTRACT:
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.

REFERENCES:
patent: 3725699 (1973-04-01), Pascoe
patent: 3813538 (1974-05-01), Thorne-Booth
patent: 4039916 (1977-08-01), Selam
patent: 4128218 (1978-12-01), Pohlig
patent: 4524931 (1985-06-01), Nilsson
patent: 4735384 (1988-04-01), Elliott
patent: 5030840 (1991-07-01), Sommen
patent: 5364047 (1994-11-01), Petit et al.

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