Scan-out system
CA 1181846 A · Owner: Fujitsu Limited · Inventors: Ozawa, Hidekiyo; Itoh, Mikio; Yoshida, Akira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For a shift register which is formed by a memory and the number of shift stages of which is determined by designating a read address of the memory by the count value of a counter and designating a read address of the memory by a value obtained by subtracting an arbitrary constant from the count value of the counter through using an operator a multiplexer is provided at the input side of the operator. Output data obtained by selecting either one of a constant for determining the number of shift stages of the counter and a scan address in accordance with a scan enable signal is provided to the operator. When the constant for determining the number of shift stages of the counter is input the, …
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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 January 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2002.
- 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.