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. 05, 1991
Filed:
Jan. 19, 1989
Toshiyuki Yokochi, Tokyo, JP;
Shuko Fujita, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kanagawa, JP;
Abstract
An information read out apparatus for reading information from an information carrier, the apparatus comprising a transparent medium, transportation rollers for transporting the information carrier at a predetermined distance above the transparent medium, a visible light source for radiating light in a first direction toward the information carrier through the transparent medium, the light being reflected through the transparent medium in a second direction, the reflected light corresponding to an analog representation of information on the information carrier, light detecting means responsive to light reflected from the information carrier through the transparent medium for receiving the reflected light, a guide above the transparent medium and spacer disposed between the guide and the transparent medium for maintaining a predetermined minimum distance between the guide and the transparent medium, the distance being regulated to achieve a resolution above a predetermined level with respect to the information read by the light detecting means.