Patent ID: RE40325

Claim:
A device installed in of a monitor system for updating the function of a monitor of the monitor system, comprising: USB signal lines a serial interface for transmitting serial information, the serial information comprises a recording command and recorded data; a detecting device electrically coupled to the USB signal lines serial interface for detecting and outputting transmitting 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 command decoder connected to the starting device for converting the recording command into a erase/read/write signal recording signal and the recorded data into a an 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 the data of the ROM can be updated according to the recording signal, the address signal , and the data signal and the erase/read/write signal ; and a recovery device electrically coupled to the ROM recording command decoder the command decoder and the starting device determining whether the data stored in the ROM are already updated according to 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 for switching the starting device according to the recording signal, the address signal or the data signal, the starting device is switching from the recording path to the visual path after the data of the ROM is already updated .