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:
Jun. 08, 2004
Filed:
Aug. 24, 1999
Applicant:
Inventors:
Atsushi Yokoyama, Yokohama, JP;
Keizo Suzuki, Kodaira, JP;
Takahisa Mizuta, Yokohama, JP;
Akitsuna Yuhara, Tokyo, JP;
Masaji Ishigaki, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/749 ;
U.S. Cl.
CPC ...
H01J 1/749 ;
Abstract
A discharge type display apparatus for displaying images through discharges in a discharge gas enclosed in discharge spaces of the apparatus. The discharge gas is a mixed gas including at least Xe, He and Ne. A mixed ratio of He to Ne in the gas mixture is set approximately for 50% in volume at most.