Communication system for transmitting RF signals representative

Details Communication system for transmitting RF signals representative Communication system for transmitting RF signals representative

1993-07-15

1994-10-18

Oberleitner, Robert J.

Railway switches and signals

Cab signal or train control

Train defect

429116, 340682, B61L 300

Patent

active

053560981

ABSTRACT:
A communication system for submitting RF signals responsive to the currents of defects or hazards in a railway system wherein a reserve cell ampule containing an electrolyte is disposed in one compartment of a housing and the electronic apparatus transmitting desired signals is disposed in a second compartment such that when the reserve cell is heated the pressure rises within the ampule to rupture it, whereby the electrolyte contained is dispersed in the first compartment and causes energization of electronic apparatus including an antenna connected to such apparatus, whereby the antenna is ejected from the housing and is able to broadcast suitable RF signals.

REFERENCES:
patent: 4009055 (1977-02-01), Fujiwara
patent: 4501006 (1985-02-01), Korenberg
patent: 4762757 (1988-08-01), Eppley et al.
patent: 4800141 (1989-01-01), Eppley et al.
patent: 4812826 (1989-03-01), Kaufman et al.
patent: 5203278 (1993-04-01), Kinney

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