The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2012
Filed:
Oct. 19, 2009
Toshio Shinjo, Chiba, JP;
Mitsuhiro Kokubun, Chiba, JP;
Toshio Shinjo, Chiba, JP;
Mitsuhiro Kokubun, Chiba, JP;
S. Grants Co., Ltd., Chiba, JP;
Abstract
A coupled node tree comprises a root node and a node pair, the node pair being a branch node and leaf node, or a pair of branch nodes, or a pair of leaf nodes arranged in adjacent storage areas. The branch node includes a discrimination bit position of the search key and the first position information of a primary node, one node of a node pair of a link target. The leaf node includes the second position information of the storage area holding an index key that is the target of a search. According to a bit value of the search key of a discrimination bit position in the branch node, repeated linking to a primary node of a node pair of the link target or a node at a position in a memory area adjacent thereto until a leaf node is reached.