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:
Oct. 02, 2007
Filed:
Oct. 07, 2003
Applicants:
Masahiro Katsumura, Saitama, JP;
Yoshiaki Kojima, Saitama, JP;
Yasumitsu Wada, Saitama, JP;
Hiroaki Kitahara, Saitama, JP;
Inventors:
Masahiro Katsumura, Saitama, JP;
Yoshiaki Kojima, Saitama, JP;
Yasumitsu Wada, Saitama, JP;
Hiroaki Kitahara, Saitama, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A beam adjusting sample having a flat surface being like a plate and having two edges orthogonal to each other is employed. A beam is applied to the beam adjusting sample to detect an amount of the beam passing through the beam adjusting sample. The beam vertically scans the two edges.