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:
Oct. 30, 2001
Filed:
Mar. 05, 1999
Applicant:
Inventors:
Takahiro Ikeda, Tokyo, JP;
Takuya Shirahata, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/45 ;
U.S. Cl.
CPC ...
G06F 9/45 ;
Abstract
The normal program storing portion stores a normal program containing a control procedure of the program rewriting apparatus and a spare rewriting program. In a first period, the control device overwrites the received normal and spare rewriting programs on the normal program storing portion. In a second period different from the first period, the control device copies the spare rewriting program overwritten on the normal program storing portion to the rewriting program storing portion in accordance with the overwritten normal program.