Railway switches and signals – Cab signal or train control – Motive-power control
Reexamination Certificate
2005-01-04
2005-01-04
Morano, S. Joseph (Department: 3617)
Railway switches and signals
Cab signal or train control
Motive-power control
Reexamination Certificate
active
06837466
ABSTRACT:
A method and system for coordinating the transfer of control of a remotely controlled locomotive is disclosed. The generation and assignment of command authority between remote controllers is accomplished by signal transfer between the remote controllers themselves, in contrast to a system that requires the use of a slave controller to determine, assign, and/or transfer command authority. In an exemplary embodiment, a transfer request is transmitted from a first control unit to a second control unit, the first control unit initially having a command authority. An acceptance of the transfer request is transmitted from the second control unit to the first control unit, and a confirmation of transfer is transmitted from the first control unit to the second control unit. Following the transmission of the confirmation of transfer from the first control unit to the second control unit, the second control unit assumes the command authority from the first control unit.
REFERENCES:
patent: 5284097 (1994-02-01), Peppin et al.
patent: 5685507 (1997-11-01), Horst et al.
patent: 6135396 (2000-10-01), Whitfield et al.
Cantor & Colburn LLP
General Electric Company
McCarry, Jr. Robert J.
Morano S. Joseph
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