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. 30, 1986
Filed:
Oct. 26, 1984
Yusuke Ishitani, Osaka, JP;
Mita Industrial Co., Ltd., Osaka, JP;
Abstract
An optical system of variable magnification comprising one or more multilens units, each of which has a plurality of multilens-arrays positioned at certain spaces in the vertical direction, said multilens units being disposed in such a manner that the optical unit plane, containing optical axes of the lenses in each of the multilens arrays in one multilens unit, intersects other optical unit planes at the center line of said optical system and that each of the optical axes of the lenses in the multilens-array of each of the multilens units gradually deviates one after another from each of those of the corresponding lenses in the next positioned multilens-array within the optical unit plane. Magnifications of the optical system are changed by rotating said optical system around the axis of the intersection line of the optical unit planes to a predetermined position.