Communication apparatus with collision detection and edge detect

Details Communication apparatus with collision detection and edge detect Communication apparatus with collision detection and edge detect

1995-10-23

1998-08-04

Chan, Eddie P.

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

375316, 375355, 3952003, H04L 700

Patent

active

057906033

ABSTRACT:
A communication apparatus is used in a communication system, having a communication line, where an operation timing in each of the communication apparatus is coupled to the communication line and synchronized with the received signals in each of the communication apparatus. This communication apparatus comprises a signal-chip microprocessor having a central processing unit for executing main and interruption processing, a register storing data to be transmitted next, an output buffer for transmitting the transmission data, and an edge detector for detecting an edge in the communication line. The output buffer is directly responsive to an edge detection circuit, so that the transmission data can be immediately transmitted in response to the detection of an edge without a variable delay time caused by the operation condition which may be varied by the interruption processing or like.

REFERENCES:
patent: 4989223 (1991-01-01), Katayose et al.
patent: 5122778 (1992-06-01), Erhart et al.
patent: 5315299 (1994-05-01), Matsumoto
patent: 5402420 (1995-03-01), Kobayashi
patent: 5436853 (1995-07-01), Shimohara
patent: 5459751 (1995-10-01), Okamoto
patent: 5659548 (1997-08-01), Okamoto et al.
patent: 5684838 (1997-11-01), Kanda et al.

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