Device for preventing traction power harmonic interference on hi

Details Device for preventing traction power harmonic interference on hi Device for preventing traction power harmonic interference on hi

1977-02-18

1978-01-03

Kunin, Stephen G.

Railway switches and signals

Block-signal systems

Automatic

178 69B, 333 12, B61L 2100

Patent

active

040662292

ABSTRACT:
An overlay selective harmonic transducer device is installed on affected track circuits, that is, track circuits on which interference with normal functioning has occurred due to traction power harmonics.

REFERENCES:
patent: 2159927 (1939-05-01), Cannon
patent: 3176282 (1965-03-01), Rhoades
patent: 3715669 (1973-02-01), LaForest
patent: 3932713 (1976-01-01), Fleuchavs et al.

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