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:
Feb. 15, 2022
Filed:
Apr. 17, 2020
Renesas Electronics Corporation, Tokyo, JP;
Hideto Matsuoka, Tokyo, JP;
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Abstract
A search circuit includes a search table including a plurality of entry data, a search processing unit receiving a search key and performing a binary search operation for the search table. Each of the plurality of entry data includes a search data, a prefix length data and a search result data. The search processing unit reads one of the plurality of entry data from the search table according to a binary search operation, specifies a search target range based on the search data and the prefix length data in the read entry data, determines whether the search key is included in the search target range, and outputs the search result data of the read entry data based on a determination result.