Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral configuration
Reexamination Certificate
2009-07-28
2011-11-29
Hafiz, Tariq (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral configuration
C710S005000, C710S015000, C710S019000, C710S033000
Reexamination Certificate
active
08069274
ABSTRACT:
A communications device includes a communications circuit, a memory, an identifier generator, and a latency controller. The communications circuit exchanges serial data with a host computer and a downstream device, and includes a first input, a first output, a second input, and a second output. The first input receives data from the host computer. The first output transmits data to the host computer. The second input receives data from the downstream device. The second output transmits data to the downstream device. The memory is accessible through the communications circuit. The identifier generator generates an identifier number unique to the communications device in response to an identifier setup request received at the first input. The latency controller determines, based on the generated identifier number, a period of latency required to access the memory through the communications circuit.
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Fukuda Yohsuke
Hara Kazuhiko
Dickstein & Shapiro LLP
Hafiz Tariq
Ricoh & Company, Ltd.
Sun Scott
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