Method and apparatus for normalizing the speed of an element positionable by a servomechanism
CA 1232656 A · Owner: Genicom Corporation · Inventors: Anzai, Max I.; Lin, Frank W.; Van, Tri S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A speed normalization circuit for eliminating the need to fine tune a servomechanism such as a daisy, wheel printer, after manufacture for example, in order, to compensate for speed variations caused by tolerance variations throughout the manufacturing process and evidenced by variations in the actual print wheel speed and the actual carriage speed, is disclosed. In operation, when a restore sequence is called for (power up remote restore, cover open/resume, check/resume) the, carriage is restored to the leftmost home position and is then stepped three times by an identical amount (twelve increments, l/120 of an inch per increment). The average value of the actual carriage speed for these …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
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Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.