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:
Sep. 07, 2010
Filed:
Jan. 24, 2008
Hiroki Kihara, Kawasaki, JP;
Hiroki Kihara, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A VOR monitoring receiving apparatus includes a receiving circuit for receiving a field signal from a VOR apparatus, and outputting content of the field signal to a plurality of signal systems, first and second monitoring receiving circuits provided in first and second signal systems included in the plurality of signal systems, respectively, for monitoring the content of the field signal, a self-check signal generator for generating a self-check signal necessary to confirm whether the first and second monitoring receiving circuits normally operate, a VOR monitoring controller for detecting an abnormality of the VOR apparatus based on monitoring results of the first and second monitoring receiving circuits, a switch for performing switching to alternately output the field signal and the self-check signal to the first and second signal systems, and a switch controller for controlling the switch to perform switching whenever a preset time elapses.