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:
Sep. 03, 1996

Filed:

Jan. 24, 1994
Applicant:
Inventors:

Tadashi Mizohata, Mobara, JP;

Masashi Suzuki, Mobara, JP;

Assignees:

Futaba Denshi Kogyo K.K., Mobara, JP;

Toshiba Corporation, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313341 ; 313345 ; 3133 / ; 313496 ;
Abstract

A fluorescent display device including a cathode filament increased in mechanical strength and reduced in end cool. A 26% Re-W filament of 0.64 MG corresponding to 0.64 mg in weight per 20 cm in length exhibits an end cool as small as 4.2 mm on each of both sides thereof at a temperature of about 580.degree. C. The end cool in a conventional W filament of the same diameter is increased to about 8 mm. The 26% Re-W filament is increased in mechanical strength by 50% as compared with the conventional W filament.


Find Patent Forward Citations

Mizohata, Tadashi. (1996). Fluorescent display device including a filamentary cathode with (U.S. Patent No. 5552660). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5552660

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

Loading…