Tektronix, Inc.

Dan H Nicholas

Steven J Birkel

A remote master-slave control method uses a single command line from a master instrument to a slave instrument. Commands executed at the master instrument are transmitted to the slave instrument via the single command line, and are in turn executed by the slave instrument only if an operator controlled input is 'on' at the time of receipt of the command. For instrument setups a recall command from the master instrument will be executed by the slave instrument if the operator controlled input was 'on' at the time the instrument setup was stored.

Remote master-slave control method

A waveform monitor for television has dual video channels displayed simultaneously side-by-side. The two channels are synchronized with each other or with an external sync signal and are input to a multiplexer prior to the display. A microprocessor controls the switching of the multiplexer according to the selection made by an operator. The first channel is displayed during the first half of the horizontal display sweep, and the second channel is displayed during the second half, the horizontal sweep encompassing two horizontal lines of video.

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Beaverton, OR, United States of America

Dan H Nicholas