Multistage sorter with concurrent access to interstage buffer memories
CA 1069217 A · Owner: Singer Company (The) · Inventors: Rohner, Michel A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An input list of N numbers is clocked through a first sort stage having S1 locations entered into an interstage memory as S2 groups of S1 numbers each. The S1 numbers in each group are in numerical order. The first number in each group forms an initial group of S2 numbers which necessarily includes the smallest number of the N input numbers. This initial group is loaded into a second sort stack having S2 locations which arranges the initial S2 numbers in numerical order. The smallest number forms the first number in the output list. A replacement number from the interstage memory is numerically sorted into the second stack each time the smallest remaining number is clocked out. This …
Read the whole patent
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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 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.