Electronic balance control circuit arrangement
CA 1161129 A · Owner: American Standard Inc. · Inventors: Strobel, Richard A.; Lyons, Michael D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case No. 7052), ABSTRACT OF THE DISCLOSURE An electronic balance control circuit includes an OP-AMP comparator circuit for receiving a command signal and a feedback signal. A positive OP-AMP detector circuit for causing a first buffer trigger circuit to fire a first triac to energize a first output when the command signal is less than the feedback signal, and a negative OP-AMP detector for causing a second buffer trigger circuit to fire a second triac to energize a second output when the command signal is greater than the feedback signal.
Read the whole patent
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 January 24, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.