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:
May. 15, 2001
Filed:
Sep. 29, 1998
Shigetaka Nakamura, Wakayama, JP;
Hiromichi Morishima, Wakayama, JP;
Noritsu Koki Co., Ltd., Wakayama-Ken, JP;
Abstract
A vacuum fluorescent color print head for photographic printing paper having a red luminous block (,) including a plurality of luminous elements arranged in a main scanning direction, and red color filters attached to light-emitting ends of the luminous elements; a green luminous block (,) including a plurality of luminous elements arranged in the main scanning direction, and green color filters attached to light-emitting ends of the luminous elements, and a blue luminous block (,) including a plurality of luminous elements arranged in the main scanning direction, and blue color filters attached to light-emitting ends of the luminous elements. The color filters (,) are attached to the light-emitting ends of the luminous elements defined by phosphorous object (,) formed of ZnO:Zn phosphor, and part of a first strip-like anode conductor (,) or a second strip-like anode conductor (,). The color filters have transmission characteristics matching sensitivity characteristics of the printing paper (,) with respect to colors to be transmitted.