System and method for data communications over a gas hose in...

Details System and method for data communications over a gas hose in... System and method for data communications over a gas hose in...

2007-07-24

2007-07-24

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

10907179

ABSTRACT:
The present invention includes a system and method of controlling a remotely located welding-type power source. A communications system includes a user interface to accept a user input at a portable location and a gas purging device to systematically purge pressurized gas from a gas line connecting the portable location to a remote location based on the user input. The communications system also includes a sensor to sense pressure changes in the gas line at the remote location and a processor configured to convert the sensed pressure changes to a representation of the user input.

REFERENCES:
patent: 2384618 (1945-09-01), Hebeler
patent: 4266114 (1981-05-01), Hansen
patent: 5039835 (1991-08-01), Schwiete
patent: 5276305 (1994-01-01), Hsien
patent: 6040555 (2000-03-01), Tiller et al.
patent: 6423936 (2002-07-01), Reed
patent: 6570132 (2003-05-01), Brunner et al.
patent: 60-206569 (1985-10-01), None
English Translation of JP60-206569A.

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