Method and apparatus for an intuitive universal remote control system
US6407779B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1999 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Mar 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/42222
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a novel universal remote control system. Specifically, the remote control system according to the present invention provides the following features: bidirectional communications between the remote control and at least one of the audio/video devices; dual communication mode; automatic communication mode selection; loading and processing electronic program guide in the remote control; soft graphical user interface in the remote control; expanding the television set functions by the remote control; calibration handshake between the remote control and the audio/video device; updating the remote control; lost beacon signal in the remote control; handwriting recognition mechanism, and voice recognition mechanism in the remote control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.