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:
Jul. 21, 1987
Filed:
Sep. 12, 1985
Applicant:
Inventor:
Masaru Nishijima, Hirakata, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 355 / ; 355 30 ; 355 / ;
Abstract
In an electrophotographic copying machine in which a warming up operation is performed before a copying operation is initiated. This warming up operation is for preliminarily warming up various devices such as a fixing device and a photoreceptor drum. In this copying machine, a device is provided for performing the warming up operation in accordance with a signal generated by operation of any one of the keys for setting copy nubmer, for setting copy magnification or for selecting size of a copy paper and/or a signal of an original detecting sensor.