发明名称 |
METHOD AND APPARATUS FOR WIRELESS RS232 COMMUNICATION |
摘要 |
A controller circuit (107) between a transceiver (104) and an RS232 communication port (103) provides wireless communication to a remote unit and includes a transmitting and receiving mode indicator (503), a first delay circuit (506) for delaying a packet of data (501) before being transmitted, a timer (502) counting a period of time during which delaying termination of transmitting mode following a last data bit of the packet of data (501). Further, a receive signal detector (504) produces a carrier detect signal (521) and its delayed version (525) through a second delay (522) when a data packet (520) is received from the transceiver (104), first and second AND gates (523, 528) and a third delay circuit (526) receive signals (525 and 520) to produce a reformatted received data packet (529) compatible to the RS232 format for input to the RS232 communication port (103).
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申请公布号 |
WO9922500(A1) |
申请公布日期 |
1999.05.06 |
申请号 |
WO1998US15950 |
申请日期 |
1998.07.31 |
申请人 |
MOTOROLA INC. |
发明人 |
SILK, S., DAVID;PORRETT, EDWARD, C. |
分类号 |
H04L29/06;(IPC1-7):H04L25/00 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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