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:
Apr. 15, 2003
Filed:
Aug. 22, 2001
Applicant:
Inventors:
Assignee:
Hamamatsu Photonics K.K., Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/706 ;
U.S. Cl.
CPC ...
H01J 1/706 ;
Abstract
In a hollow cathode lamp comprising, in a bulb having a light exit port, a hollow cathode and an anode opposed to the light exit port, which comprises a tubular hood having a tubular shape, having one open end connected to the hollow cathode, having another open end opposed to the light exit port, and having an opening formed in a peripheral side face thereof, and an electron supply disposed at a position to front on the opening, discharge making use of thermoelectrons is implemented between the electron supply and the anode.
Shimazu, Yuji. (2003). Hollow cathode lamp (U.S. Patent No. 6548958). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6548958
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile