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. 05, 1990
Filed:
Nov. 21, 1988
Kiyoshi Toyama, Gifu, JP;
Teijin Seiki Company Limited, Osaka, JP;
Abstract
An optical position sensor of aircraft comprises light emitting means, an optical block, and a movable magnetic scale disposed in opposed relationship to the optical block. The sensor further comprises first optical wave guiding means connected at its one end to the light emitting means, polarizing means connected at its one end directly to the other end of the first optical wave guiding means and connected at its other end directly to one end of the optical block, and polarization detecting means connected at its one end directly to the other end of the optical block. The sensor further comprises second optical wave guiding means connected at its one end directly to the other end of the polarization detecting means, and opto-electric converting means connected to the other end of the second optical guiding means.