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. 30, 2009
Filed:
Oct. 10, 2007
Hidekazu Shimomura, Yokohama, JP;
Ken Tanimura, Utsunomiya, JP;
Hiroshi Sato, Utsunomiya, JP;
Tokuji Takizawa, Utsunomiya, JP;
Hidekazu Shimomura, Yokohama, JP;
Ken Tanimura, Utsunomiya, JP;
Hiroshi Sato, Utsunomiya, JP;
Tokuji Takizawa, Utsunomiya, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical scanning apparatus including a light source, deflection unit configured to deflect a light flux emitted by the light source, a first optical system configured to condense a divergent light flux emitted by the light source, a second optical system configured to focus the deflected light flux on a target scanning face, where the wavelength of the light flux is short, and the first and second optical systems include respective refractive optical elements.