Boots – shoes – and leggings
Patent
1984-09-26
1987-03-24
Chin, Gary
Boots, shoes, and leggings
180167, 364460, 340942, G06F 1550, B62D 102
Patent
active
046530029
ABSTRACT:
A system for effecting transport over a surface among a plurality of terminals, including at least one transport vehicle movable over the surface, light barriers dividing the surface into a plurality of contiguous elemental zones and sensing the passage of a vehicle across a boundary between two contiguous zones, light signal generators for emitting light signals identifying each zone occupied by a vehicle and identifying the location of each terminal, logic circuitry connected between the barriers and said light signal generators for controlling the light signals identifying each zone in response to passage of a vehicle across a boundary, a photoelectric receiver carried by the vehicle for sensing light signals produced by the light signal generators and producing electrical signals representative of the light signals, and a vehicle movement control circuit carried by the vehicle and connected to receive the electrical signals from the photoelectric receiver for controlling the movement of the vehicle in dependence on the light signals.
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Abeles Daniel C.
Black Thomas G.
Chin Gary
Westinghouse Electric Corp.
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