Boots – shoes – and leggings
Patent
1978-02-27
1980-01-01
Morrison, Malcolm A.
Boots, shoes, and leggings
235 92MP, G01P 300
Patent
active
041819624
ABSTRACT:
A digital programmable timing device to control the acquisition of data by a computer from high response probes in periodic flows. Synchronized sampling of probe measurements uses a phase-locked-loop and counting circuits so that the moment of A/D conversion always corresponds to a programmable displacement of a stationary probe with respect to moving rotor blades independent of RPM. The rotor speed also is measured digitally in one revolution of the rotor shaft.
REFERENCES:
patent: 3767902 (1973-10-01), Estes et al.
patent: 3899664 (1975-08-01), Bencini et al.
patent: 4016406 (1977-04-01), Abe et al.
patent: 4047085 (1977-09-01), Ollendick
patent: 4056778 (1977-11-01), Randazzo
IBM Technical Disclosure Bulletin-Computer and Apparatus for Measuring Roional Speed by S. Bederman, vol. 13, No. 4, 9-1970, pp. 1017-1018.
Shreeve Raymond P.
West, Jr. James C.
Chin Gary
Curry Charles D. B.
Gray Francis I.
Morrison Malcolm A.
Sciascia R. S.
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