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:
Sep. 04, 2001
Filed:
Dec. 07, 1998
Applicant:
Inventors:
Yukari Yoshiura, Tokyo, JP;
Atsushi Iizawa, Tokyo, JP;
Takashi Yano, Tokyo, JP;
Kaoru Maeda, Chiba, JP;
Tetsuya Ikeda, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/730 ;
U.S. Cl.
CPC ...
G06F 1/730 ;
Abstract
A distributed type of database system according to the present invention comprises a communication line for transmitting, when a transaction is generated in any of a plurality of DB sites, a request message for requesting permission of updating from the DB site to a broadcasting station site. After receiving the message, it is determined in the broadcasting station site whether a permission for updating should be given or not. The result of the determination is transmitted to all the DB sites in the broadcasting mode through a satellite.