Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1985-05-03
1988-02-09
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 73PC, 361397, 364488, G01R 3100, G01R 104, H05K 111, H05K 342
Patent
active
047243830
ABSTRACT:
A PC board test fixture translates various stimulation signals produced from a base grid of an automatic test system to randomly positioned test points of a printed circuit board to be tested. The test fixture includes a translator board having conductive pads aligned with probes of the base grid. Conductive pads on the top surface of the translator board are aligned with spring-loaded probes carried by a probe support fixture and aligned with the random test points of the printed circuit board. Conductive feedthroughs connect selected conductive pads on the bottom of the translator board to the randomly located pads on top of the translator board. A computer-executed algorithm compares the locations of the pads on the top and bottom of the translator board to determine the locations of the feedthroughs.
REFERENCES:
patent: 3654585 (1972-04-01), Wickersham
patent: 4443756 (1984-04-01), Lightbody et al.
patent: 4551673 (1985-11-01), Barth et al.
Burbank, K., "Automatic Test Equipment Translator Board", IBM Technical Disclosure Bulletin, vol. 21, No. 4, Sep. 1978, pp. 1404-1405.
Renz, U., "Test Probe Contact Grid Translator Board", IBM Technical Disclosure Bulletin, vol. 21, No. 8, Jan. 1979, pp. 3235-3236.
Wheeler, S. E. et al., "Method to Allow Automatic Probing of File-Mounted Logic Cards", IBM Technical Disclosure Bulletin, vol. 24, No. 6, Nov. 1981, pp. 2740-2741.
Baker Stephen M.
Eisenzopf Reinhard J.
Testsystems, Inc.
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