Electronic digital logic circuitry – Interface – Current driving
Reexamination Certificate
2006-01-05
2009-12-08
Barnie, Rexford N (Department: 2819)
Electronic digital logic circuitry
Interface
Current driving
C326S034000
Reexamination Certificate
active
07629813
ABSTRACT:
A system that dynamically refreshes the inputs of a differential receiver. During operation, while a differential transmitter is not transmitting data, the system applies substantially equal voltages to the outputs of the differential transmitter so that the differential voltage on the outputs of the differential transmitter is substantially zero. The system then refreshes the inputs of an associated differential receiver by applying substantially equal voltages to the inputs of the differential receiver so that the differential voltage on the inputs of the differential receiver is substantially zero. The differential transmitter is coupled to the differential receiver through a DC blocking mechanism, which prevents a DC voltage on the differential transmitter from reaching the differential receiver.
REFERENCES:
patent: 4888498 (1989-12-01), Kadakia
patent: 5047665 (1991-09-01), Burt
patent: 7135893 (2006-11-01), Sugano
Drost Robert J.
Ho Ronald
Proebsting Robert
Barnie Rexford N
Park Vaughan & Fleming LLP
Sun Microsystems Inc.
Tran Thienvu V
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