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:
Jun. 24, 2003
Filed:
Oct. 28, 1999
Takahisa Kimura, Odawara, JP;
Takeshi Koide, Odawara, JP;
Yasushi Saitsu, Odawara, JP;
Teruo Nagasawa, Odawara, JP;
Other;
Abstract
By assuring and maintaining consistency of data within a range expected by the user, significance of the consistency of data is assured. A master control unit to which write data and its write time is transferred from an information processor is provided with a function of obtaining the latest write time and the oldest write time of write data which has not been copied to each of remote control units as a copy destination at proper timings and comparing the difference between the latest and oldest write time with a preset time on the basis of a data consistency unit such as a data set. When the difference reaches or exceeds the present time, data within the data consistency assuring range is suspended or write data and copy data is regulated.