Patent ID: 6661411
Filing Date: 2003-12-09
Classification: G09G

Abstract:
A device installed in a monitor system for updating the function of a monitor of the monitor system, comprising:USB signal lines for transmitting a recording command and recorded data; a detecting device electrically coupled to the USB signal lines for detecting and outputting the recording command and the recorded data; a starting device electrically coupled to the detecting device for receiving the recording command and the recorded data and then transmitting the recording command and the recorded data when the starting device is switched from a visual path to a recording path; a ROM recording command decoder for converting the recording command into a erase/read/write signal and the recorded data into a address signal and a data signal by switching the starting device to the recording path; a ROM electrically connected to the ROM recording command decoder, of which data can be updated according to the address signal, the data signal and the erase/read/write signal; and a recovery device electrically coupled to the ROM recording command decoder and the starting device for determining whether the data stored in the ROM are already updated according the address signal, the data signal and the read/write signal and for switching the starting device from the recording path to the visual path when the data of the ROM are already updated.