Computer wireless receiver powered by RS232 signals of a serial

Details Computer wireless receiver powered by RS232 signals of a serial Computer wireless receiver powered by RS232 signals of a serial

1997-08-19

2000-05-09

Thai, Xuan M.

Electrical computers and digital processing systems: support

Computer power control

G06F 126

Patent

active

060618000

ABSTRACT:
A computer wireless receiver comprising a power source regulating device, a converting device, a decoder, a microprocessor, a memory and other devices for connecting to the COM PORT of a general computer or a portable computer, to receive and transfer data. The power source regulating device is used for rectifying, filtering and regulating the DSR and RTS RS232 signals as the power source of a system. The converting device is used for converting the received signal to signal levels of 0 V or 3 V, the transferred signal is converted to +4 V or -4 V signal levels. Thus, the receiver will not require the addition of another external power source.

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patent: 5757672 (1998-05-01), Hoepken
patent: 5812802 (1998-09-01), Bahout et al.

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