Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1981-03-16
1982-11-09
Miller, C. D.
Communications: electrical
Audible indication
Percussion-type sound producer
250231SE, 34087029, G08C 900
Patent
active
043587534
ABSTRACT:
An absolute-incremental hybrid shaft position encoder providing compacted high resolution. In the preferred embodiment an encoder track is superimposed by a shutter so as to make multiple track revolutions appear electrically as a single revolution.
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Knox, "IBM Technical Disclosure Bulletin", vol. 2, No. 3, Oct. 1959, pp. 18-19.
Blackwood Terry M.
Hamann H. Frederick
Miller C. D.
Rockwell International Corporation
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