G - Physics – 01 – R
Patent
G - Physics
01
R
324/58.4
G01R 31/02 (2006.01)
Patent
CA 2000120
GUIDE PATH SHORT DETECTOR Abstract of the Disclosure To detect a short circuit condition between guide paths embedded in the floor for automatic guided vehicles, a detection relay has a pair of current transformers having primary windings connected into a guide path circuit at points on the source and the return side of the circuit, the transformer secondary windings being connected in opposition to yield a null signal when there is no short and a finite signal when primary current inequalities are present. Amplifier circuitry discriminates between null and finite signals and controls a relay which activates an annunciator.
General Motors Corporation
Gowling Lafleur Henderson Llp
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