Patents Assigned to Teco Information Systems Co., Ltd. - Justia Patents Search

Patents Assigned to Teco Information Systems Co., Ltd.

Image converting apparatus with document contacting device capable of eliminating thin-film interference and method for eliminating thin-film interference

Patent number: 5572289

Abstract: An image converting apparatus, such as an optical scanner, photocopier or an image projector, includes a document contacting device with a contact surface that is provided with a plurality of micro-particles which diffuse light to eliminate the effects of thin-film interference. The micro-particles on the contact surface have a distribution density greater than the resolution of the image converting apparatus.

Type: Grant

Filed: June 15, 1995

Date of Patent: November 5, 1996

Assignee: Teco Information Systems Co., Ltd.

Inventor: Jyi-Fang Cheng