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:
Feb. 12, 2002
Filed:
Feb. 15, 2000
Applicant:
Inventor:
Tsuyoshi Takegami, Atsugi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/10 ;
U.S. Cl.
CPC ...
G09G 3/10 ;
Abstract
To suppress occurrence of abnormal voltage in the energization process. The present invention provides a method of manufacturing an electron source comprising an electron-emitting device comprising a pair of electroconductive members, and first wires and second wires being connected to the pair of electroconductive members, respectively, the method comprising the step of applying a pulse voltage to the pair of electroconductive members via the first and/or second wires, wherein the pulse voltage is a pulse where a specific frequency band included in a pulse voltage outputted from a pulse power supply is restricted.