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Expired Canadian patentCanada

System employing negative feedback for decreasing the response time of a cell

CA 1269727 C · Owner: Brunolli, Michael J. · Inventors: Brunolli, Michael J.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure, First and second lines respectively receive first and second complementary input signals representing a binary bit. Each of the input signals has first and second logic levels respectively corresponding to a binary "1" and a binary "0". The input signals produce a current through a load in accordance with the relative logic levels of the first and second input signals. The difference between the logic levels of the input signals is amplified and introduced as a negative feedback to a particular one of the first and second lines in accordance with the relative logic levels of the signals on the lines. The feedback causes a current to be produced in the load with a …

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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 May 29, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 11, 1987
GrantedMay 29, 1990
Term endedMay 29, 2007
Patent numberCA 1269727 C
Classification (IPC)G11C7/06 +1 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedSep 11, 1987Patent grantedMay 29, 1990Term endedMay 29, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.