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.

Date of Patent:
Oct. 22, 1991

Filed:

May. 30, 1990
Applicant:
Inventors:

Masaaki Sato, Kanagawa, JP;

Izumi Takashima, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313488 ; 313493 ; 315116 ;
Abstract

An illuminating light source for a color image recording device comprises a glass tube having a predetermined diameter, a reflecting film coated on an inner wall of the glass tube excepting a part thereof by coating, a fluorescent film formed on the reflecting film coated on the glass tube, wherein at least one of a ultraviolet ray absorbing film and the fluorescent film is formed on the part on which the reflecting film is not formed thereby to maintain a ratio of a bright line to a fluorescence being not more than 1.3 when a fluorescent lamp current is applied.


Find Patent Forward Citations

Sato, Masaaki. (1991). Illuminating light source for color image recording device (U.S. Patent No. 5059860). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5059860

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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