Device for transmitting asynchronous data having clock...

Details Device for transmitting asynchronous data having clock... Device for transmitting asynchronous data having clock...

2004-03-31

2008-08-05

Pham, Brenda (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S358000

Reexamination Certificate

active

07408958

ABSTRACT:
An asynchronous data transmission device includes a data reception terminal receiving data clocked by a sampling signal in synchronization with a local clock signal. A register is connected to the data reception terminal for receiving the data. A clock deviation measuring circuit is connected to the register for determining a number M of periods of the sampling signal appearing during K periods of a synchronization signal received on the data reception terminal, and for comparing the number M to a tolerance margin defined by a lower threshold and an upper threshold.

REFERENCES:
patent: 3754102 (1973-08-01), Clark
patent: 5131013 (1992-07-01), Choi
patent: 5299237 (1994-03-01), Head
patent: 5563891 (1996-10-01), Wang
patent: 6359946 (2002-03-01), Ryan
patent: 0413073 (1991-02-01), None
patent: 1126618 (2001-08-01), None

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