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:
Feb. 23, 1993
Filed:
May. 19, 1992
Applicant:
Inventor:
Shinyu Ikeda, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; G03B / ;
U.S. Cl.
CPC ...
315116 ; 315117 ; 313 13 ; 313 44 ; 355229 ;
Abstract
In a fluorescent lamp assembly for use in an image scanner, a heater is associated with a glass tube of a fluorescent lamp for heating the glass tube. A controller is provided for controlling the heater in such a manner as to maintain temperture of the glass tube at the predetermined optimum level at which a luminescent characteristic of the fluorescent lamp is stabilized.