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:
Mar. 26, 2013
Filed:
Sep. 26, 2008
Keiji Sugiyama, Kyoto, JP;
Kakuya Yamamoto, Hyogo, JP;
Kenichi Kasazumi, Osaka, JP;
Tatsuo Itoh, Osaka, JP;
Akira Kurozuka, Osaka, JP;
Keiji Sugiyama, Kyoto, JP;
Kakuya Yamamoto, Hyogo, JP;
Kenichi Kasazumi, Osaka, JP;
Tatsuo Itoh, Osaka, JP;
Akira Kurozuka, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A beam scanning-type display device used as a head-mounted display (HMD) or a head-up display (HUD) includes a light source which emits a beam, a scanning unit which performs scanning using the beam emitted from the light source, a deflecting unit which deflects the beam used for the scanning by the scanning unit in the direction toward an eye of a user, and a wavefront shape changing unit which changes the wavefront shape of the beam from the light source so that the beam spot size falls within the predetermined allowable range, and emits the beam to the wavefront shape changing unit.