Method of using AV devices and AV device system
US7224886B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2001 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Mar 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.