Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Calibration
Reexamination Certificate
2006-04-11
2006-04-11
Nguyen, Vincent Q. (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Calibration
C324S074000, C324S130000, C702S085000, C073S001010
Reexamination Certificate
active
07026827
ABSTRACT:
A portable calibration unit for calibrating test equipment is disclosed that may incorporate a communication interface for connecting to a computer embedded within the test equipment, a variable signal source for producing a test signal, a processor in communication with the computer for controlling the variable signal source, and a test interface for communicating the test signal to the test equipment.
REFERENCES:
patent: 4403297 (1983-09-01), Tivy
patent: 4569221 (1986-02-01), Snook, Jr.
patent: 4816767 (1989-03-01), Cannon et al.
patent: 5248933 (1993-09-01), Venditti
Ives Fred H.
Platt David L.
Agilent Technologie,s Inc.
Nguyen Vincent Q.
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