Ladder for information processing
CA 1071762 A · Owner: International Business Machines Corporation · Inventors: Chang, Hsu; Chen, Tien C.; Tung, Chin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Information processing is conveniently achieved by a structure which uses a novel binary switch. The switch can steer two data streams so that they will either cross one another or bypass one another, depending upon external control. A linear array of shift register loops are linked together by these flow-steering binary switches to form a storage structure which is termed a ladder. The ladder provides a variety of data structures. For example it, can alternate between LIFO (last in-first out) and FIFO (first infirst out). It can also dynamically rearrange data items according to regency of usage, in order to improve average access time to any data item. 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 February 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 1997.
- 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.