Rotary switch or other encoder having non-sequential unique bit pattern and method for design
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United States of America Patent
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Feb 16, 2021
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N/A
app pub date -
Jan 24, 2020
filing date -
Dec 12, 2017
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Abstract
An apparatus for rotary encoding includes a knob configured to be rotated. The apparatus also includes multiple switches each configured to selectively form or not form a connection based on a current rotational position of the knob. The apparatus further includes a controller configured to generate or use a digital value associated with the current rotational position of the knob. The digital value is defined by which switches have or have not formed connections. Locations where the switches form the connections are selected such that the digital values uniquely identify different rotational positions of the knob and are non-sequential as the knob is rotated.
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