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:
Nov. 12, 2002
Filed:
Dec. 18, 1998
Hikari Sakai, Hadano, JP;
Takeo Kitsukawa, Sagamihara, JP;
Hiroki Furuichi, Minamiashigara, JP;
Akira Ando, Hadano, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A terminal switching apparatus is connected between an information processing apparatus and a plurality of operating terminals for performing on-line operations and at least one spare terminal used in place of an operating terminal at the time of a failure, and relays on-line data therebetween. The terminal switching apparatus includes storage devices provided for the operating terminals and spare terminal, respectively, for storing on-line data including real-time screen data of the operating terminals and the spare terminal, and a control section with which during an on-line processing, the on-line data is stored into the storage device and with which at the time of detection of a failure in an operating terminal, the contents of the storage device for the failing operating terminal are copied into the storage device for the spare terminal so that the spare terminal continues the on-line processing.