Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Patent
1994-10-17
1999-03-02
Wachsman, Hal Dodge
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Electrical signal parameter measurement system
702 60, 36452827, 361 80, 361 81, 307112, 307126, G06F 1300
Patent
active
058783750
ABSTRACT:
A data switch for transferring data from either actual line readings or from stored memory to the input of a relay tester. The device uses a digital switch set between the A/D converter and the CPU of an electronic relay. The switch permits technicians and engineers to either pass data to the CPU from the system through the A/D converter or, by switching, feed the CPU data from the RAM, which has been loaded with the archived data. In this way, the relay system software can be examined and tested using actual event data under ordinary conditions as desired, with relay settings changed between tests to verify the efficacy of the changed settings to perform as desired for the recorded conditions. The digital switch can be either a hard-wired element, or can be a soft switch, operated through software instructions.
REFERENCES:
patent: 4507700 (1985-03-01), Andow et al.
patent: 4608648 (1986-08-01), Oogaki
patent: 5224011 (1993-06-01), Yalla et al.
patent: 5428553 (1995-06-01), Chiba et al.
Lee Eric A.
Newton Timothy T.
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