Remote controller, display apparatus and controlling method thereof
US10721433B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2017 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Nov 1, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/03
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A remote controller is provided. The remote controller includes a transmitter; a microphone configured to receive an audio signal output from an audio output apparatus; a communicator comprising communication circuitry configured to perform communication with a display apparatus connected to the audio output apparatus and to transmit the audio signal received through the microphone to the display apparatus; and a processor configured to control the transmitter to transmit to the audio output apparatus a signal for controlling a power of the audio output apparatus based on information indicating whether there is a test tone in an audio signal received by the microphone and received from the display apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.