Remotely upgradable universal remote control
US5228077A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 24, 1990 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Sep 24, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03J2200/24
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The universal remote control system includes a universal remote control comprising an input including a set of keys or push buttons for inputting commands into the remote control, infrared signal output circuitry for supplying an infrared signal to a controlled device including IR lamp driver circuitry, a central processing unit (CPU) coupled to the input and to the signal output circuitry, a single, non-volatile read-write memory coupled to the CPU and data coupling circuitry including terminal structure comprising a receiving port coupled to the CPU for enabling code data for creating appropriate IR lamp driver instructions for causing the infrared signal output circuitry to emit infrared signals which will cause specific functions to occur in a specific controlled device, for operating a variety of devices to be controlled, to be supplied from outside the remote control through the receiving port of the terminal structure directly to the CPU for direct entry to the memory to enable the remote control to control various devices to be controlled upon the inputting of commands to the keys of the input. The universal remote control system further includes a data transmission system …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.