Audio/video receiving device and wireless display system
US11553249B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 4, 2021 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Aug 4, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4882
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An Audio/Video (A/V) receiving device may include a display, a Radio Frequency (RF) receiving module configured to receive an RF packet from an A/V transmitting device, the RF receiving module including a plurality of antennas, and a microcomputer configured to obtain a distance between the A/V transmitting device and A/V receiving device and when the obtained distance is changed, display a first message indicating that a number of antennas to be turned among the plurality of antennas is changed according to the change of the distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.