Electric heating – Metal heating – By arc
Reexamination Certificate
2007-02-20
2007-02-20
Shaw, Clifford C. (Department: 1725)
Electric heating
Metal heating
By arc
Reexamination Certificate
active
10709148
ABSTRACT:
The present invention is directed to a remotely controlled welding machine that uses serializing and modulating circuits to transfer modulated data packets to a welding power source across a weld cable. A transmitter transmits the data packets of desired welding operational parameters to a receiver disposed in the power source across a weld cable also designed to carry welding power from the power source to the wire feeder. The transmitter and other electronics of the wire feeder are constructed to use only a small amount of power which, preferably, is supplied by a DC power supply external to the wire feeder. The DC power supply is designed to provide power to the electronics of the wire feeder when the wire feeder is in a standby mode of operation.
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Hackl et al., Digitally Controlled GMA Power Sources, Fronious, www.fronious.com/worldwide/usa/products/paper—digitally—controlled—power—sources—gb.pdf Publication Date Not Provided.
Intellon, CEBus Power Line Encoding and Signaling, White Paper #0027, V. 0. 1, Mar. 1997.
Illinois Tool Works Inc.
Shaw Clifford C.
Ziolkowski Patent Solutions Group, SC
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