Direct-injection fifo shift register
CA 1270533 C · Owner: Van Maren, David J. · Inventors: Van Maren, David J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A FIFO shift register (100) includes a parallel data in-port (PIN) to each of its cells (101-132) and a circuit for managing input to determine for each cell whether it is to receive data and, if so whether, through its conventional serial in-port (SIN) or through its parallel in-port. The input manager comprises a bidirectional shift register of input manager cells arranged in one-to-one correspondence with data cells. A one-bit validity indicator stored within a given input manager cell is logically combined with asserted PUSH and PULL signals to determine the source of data for the associated data cell and its immediate successor. This arrangement not only provides greater speed by …
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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 June 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 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.
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.