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. 30, 2022
Filed:
Dec. 05, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Takehiro Ito, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0652 (2013.01); G06F 3/0608 (2013.01); G06F 3/0653 (2013.01); G06F 3/0659 (2013.01); G06F 3/0679 (2013.01); G06F 3/0683 (2013.01);
Abstract
A comparison unit configured to compare volume of unnecessary data of a first semiconductor memory to a threshold of the first semiconductor memory, which is set in advance, and a transmission unit configured to transmit a delete command to the first semiconductor memory in accordance with a comparison result indicating that the volume of the unnecessary data of the first semiconductor memory is larger than the threshold of the first semiconductor memory are provided, and the transmission unit transmits a delete command to the second semiconductor memory upon transmission of the delete command to the first semiconductor memory.