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Expired Canadian patentCanada

High speed acquisition system employing an analog memory matrix

CA 1136283 A · Owner: Tektronix, Inc. · Inventors: Saxe, Charles L.

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

A high-speed acquisition system employing an analog memory matrix is provided in which sample-hold elements connected to an analog bus are arranged in rows and columns to form an M X N matrix. The system is operable in a fast in-slow out mode, and the analog memory matrix may be implemented on a single integrated-circuit semiconductor chip.

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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 November 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 27, 1980
GrantedNovember 23, 1982
Term endedNovember 23, 1999
Patent numberCA 1136283 A
Classification (IPC)G11C13/00 +2 more

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedFeb 27, 1980Patent grantedNov 23, 1982Term endedNov 23, 1999

Sources & verification

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