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:
Jan. 14, 1992
Filed:
Mar. 27, 1990
Kubota, Ltd., Osaka, JP;
Abstract
A phase-modulated fiber optic gyroscope comprises a signal generating a signal generating section, a photoelectric converter section and a signal processing section. The signal generating section includes a light source, an optical path for propagating light from the light source clockwise and counterclockwise, and a phase modulator for modulating the light propagating through the optical path. The photoelectric converter section converts an optical signal received from the signal generating section into an electric signal. The signal processing section derives a direction of rotation and a velocity of rotation from the electric signal received from the photoelectric converter section. The signal processing section includes an analog-to-digital converter for converting the electric signal received from the photoelectric converter section into a digital signal, and a digital signal processor for carrying out angle calculations based on the digital signal received from the analog-to-digital converter.