Patent · US Active

Audio/video receiving device and wireless display system

US11863822B2 · kind B2 · utility

0Cited by
1References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 12, 2022
Grant dateJan 2, 2024
Priority date
Expiry dateDec 12, 2042

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.