Communication system using a transmitted delimiting signal for i

Details Communication system using a transmitted delimiting signal for i Communication system using a transmitted delimiting signal for i

1998-05-01

2000-03-28

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output process timing

709248, 709233, 375359, 375360, 375288, 713400, 713600, G06F 1314

Patent

active

060444215

ABSTRACT:
A transmitting device and a receiving device are interconnected through two transmission paths, i.e. a data signal line for transmitting serial data, and a delimiting signal line for transmitting a delimiting signal. The delimiting signal causes the receiving device to recognize breaks between bits when the consecutive bits of the transmitted serial data have the same value. The level of the delimiting signal remains unchanged in the event of a change in the logical value of consecutive bits of the transmit data. The level of the delimiting signal is changed when consecutive bits of the transmit data have the same value. The receiving end, receiving the data signal and delimiting signal, reads as digital data the logical value of each bit in the data signal by regarding a point of time of a level change in either one of the data signal and delimiting signal as a break between bits.

REFERENCES:
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patent: 5671258 (1997-09-01), Burns et al.
patent: 5726650 (1998-03-01), Yeoh et al.
patent: 5748902 (1998-05-01), Dalton et al.
patent: 5905759 (1999-05-01), Ishida et al.

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