Electrical computers and digital processing systems: support – Clock control of data processing system – component – or data...
Reexamination Certificate
2011-08-09
2011-08-09
Tran, Vincent T (Department: 2115)
Electrical computers and digital processing systems: support
Clock control of data processing system, component, or data...
C327S291000, C327S293000, C327S294000, C327S297000
Reexamination Certificate
active
07996705
ABSTRACT:
A multilevel input interface device connected to a signal bus including one or more data lines that transmit an M-level signal and a clock line that transmits a transmission clock signal indicating the timings of reading level information for the M-level signal, includes: a threshold value generation unit that produces a plurality of voltage outputs as a plurality of variable comparison reference signals according to the level-varying supply voltage; a level detection unit that compares, in synchronization with the transmission clock signal, the M-value level signal with the variable comparison reference signals and generates a logic output corresponding to an instantaneous value of the M-level signal; and a logic circuit unit that converts the logic output to a data signal.
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Harness & Dickey & Pierce P.L.C.
Seiko Epson Corporation
Tran Vincent T
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