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:
Dec. 17, 2002
Filed:
Feb. 18, 2000
Applicant:
Inventors:
Koji Masuda, Kanagawa, JP;
Hiroshi Koizumi, Kanagawa, JP;
Assignee:
Ricoh Technology Research Inc., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/700 ; G02B 2/710 ;
U.S. Cl.
CPC ...
B41J 2/700 ; G02B 2/710 ;
Abstract
An image forming elements array includes a plurality of image forming elements which are integrated with each other and are arranged to extend in an arrangement direction so as to generate an image having common magnification. When the distance along the optical axis from an object plane to the incident surface of the image forming element is represented by L and the distance along the optical axis from the incident surface to the emerging surface is represented by T, a condition 0.20≦T/L≦0.50 is satisfied.