Invention Grant
- Patent Title: Failure detection apparatus, audio input/output module, emergency notification module, and failure detection method
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Application No.: US16057107Application Date: 2018-08-07
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Publication No.: US10659895B2Publication Date: 2020-05-19
- Inventor: Kentaro Nomoto , Masahiro Mukojima
- Applicant: YAMAHA CORPORATION
- Applicant Address: JP Hamamatsu-Shi
- Assignee: YAMAHA CORPORATION
- Current Assignee: YAMAHA CORPORATION
- Current Assignee Address: JP Hamamatsu-Shi
- Agency: Rossi, Kimms & McDowell LLP
- Main IPC: H04R29/00
- IPC: H04R29/00 ; G08B29/12 ; H04R1/40 ; H04R3/04 ; H04R27/00 ; G08B25/08
Abstract:
A failure detection apparatus includes: an output portion that outputs from an audio output device a confirmation signal having a frequency in a band other than the audible band; an input portion to which an input signal is inputted from an audio input device; and a failure detection portion that detects whether the audio output device and the audio input device are operating normally on the basis of the confirmation signal and the input signal.
Public/Granted literature
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