Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Reexamination Certificate
2006-02-28
2006-02-28
Hoff, Marc S. (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Electrical signal parameter measurement system
C702S056000, C702S066000, C702S078000, C702S079000, C327S175000, C329S312000, C375S238000, C375S360000, C073S104000
Reexamination Certificate
active
07006936
ABSTRACT:
A pulse width measuring device is disclosed that calculates the pulse width of a signal to be measured, based on a count value and a count clock signal. In the pulse width measuring device, the counter circuit has a plurality of bits that are divided into an exponent and a significand. The control unit of the pulse width measuring device includes: an exponent storing unit that stores an exponent setting value that represents the number of bits of the exponent of the counter circuit; and a decoder unit that generates a count value setting signal for rewriting the count value of the counter circuit, based on the exponent setting value stored in the exponent storing unit, when the count value overflows in the counter circuit, the decoder unit then outputting the count value setting signal to the counter circuit.
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Arent Fox PLLC.
Desta Elias
Fujitsu Limited
Hoff Marc S.
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