Patent · US Active

Audio/video receiving device and wireless display system

US11553249B1 · kind B1 · utility

1Cited by
1References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 4, 2021
Grant dateJan 10, 2023
Priority date
Expiry dateAug 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.