Patent · US Expired

Method of using AV devices and AV device system

US7224886B2 · kind B2 · utility

59Cited by
17References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2001
Grant dateMay 29, 2007
Priority date
Expiry dateMar 24, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/47
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A plurality of devices and a device system are disclosed, in which a plurality of input devices generate an input AV signal, a related device records and reproduces the AV signal, and a display device displays the AV signal. The input devices, the related device and the display device are interconnected to configure an AV system having a bus for transmitting or receiving the AV signal and management information. The related device of the AV system includes a recording medium for recording the AV signal, and the input devices transmit to the related device a request to secure a recording area on the recording medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.