Boots – shoes – and leggings
Patent
1982-01-25
1989-09-26
Ruggiero, Joseph
Boots, shoes, and leggings
318640, 364182, 364572, G05B 1902
Patent
active
048705594
ABSTRACT:
A high precision transducer and a system related thereto are provided for achieving high precision in an efficient, economical, and small size configuration. In a preferred embodiment, an optical position encoder transducer utilizes an optically sensed code wheel in combination with a vernier optical split to achieve high precision. Code wheel positions are sensed photo-optically to provide the most significant bits of the encoder position number. Optical slit position is sensed photo-optically to interpolate between disk code positions and to provide a high precision vernier to generating the least significant bits of the encoder output number. Anti-ambiguity circuitry resolves ambiguity between code wheel positions, vernier positions, and alignment. An array of photosensors provides enhanced precision and economy. Systems utilizing such transducers include digital readout systems, machine control systems, and data logging systems.
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Hyatt Gilbert P.
Ruggiero Joseph
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