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. 01, 2000
Filed:
Sep. 04, 1997
Kenichiro Takada, Kuwana, JP;
Katsuyoshi Nishii, Okazaki, JP;
Satoshi Koike, Kariya, JP;
Kazumasa Kurokawa, Kariya, JP;
Masahiro Shiozawa, Nishio, JP;
Tomoyuki Kanda, Mie, JP;
Denso Corporation, Aichi-Pref, JP;
Nippon Soken, Inc., Nishio, JP;
Abstract
Method for producing a of a transparent type hologram screen of an wide visible range. A photosensitive member and a light source of a reference light are arranged on the same side of the light diffusing body. A light source of an object light is arranged on the opposite side of the light diffusing body, so that the light is transmitted through the light diffusing body to generate a object light. A light from a light source of a reference light is reflected at the light diffusing body or a member such as a half mirror or a transparent, reflective hologram element arranged at a front side of the light diffusing body.