Direct entry remote control with channel scan
US5481256A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1993 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Nov 29, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03J2200/24
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The remote control comprises a microprocessor including a CPU and memory, a keypad including keys for operating the remote control coupled to the microprocessor, lamp driver circuitry coupled to the microprocessor, hardware and software, including the microprocessor, for generating infrared (IR) signals coupled to the IR lamp driver circuitry, code data for executing command functions for operating a home entertainment device stored in the memory. The keys include a SCAN key, circuitry for coupling the SCAN key to the microprocessor and a channel scan program stored in the memory for effecting a channel scan of channels when the SCAN key is depressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.