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. 11, 1996
Filed:
Aug. 05, 1994
Applicant:
Inventors:
Yu-Yang Lu, Kweishan, TW;
Der-Roung Shyu, Kweishan, TW;
Assignee:
Acer Peripherals, Inc., , TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359892 ; 359891 ; 359889 ; 359811 ; 359819 ;
Abstract
A light filter apparatus of an image scanning device is provided. The light filter apparatus is a frame of a spindle-like shape. The frame comprises a connecting sleeve at both ends and a plurality of axial-symmetrical sub-frames each of which accommodates a light filter film. The sub-frame has two inwardly converging ends connected with the connecting sleeves respectively. The sub-frame has a slot for receiving the light filter film.