Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Patent
1987-06-19
1988-10-25
Ro, Bentsu
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
318626, 318657, G05D 310, G05G 500
Patent
active
047806559
ABSTRACT:
A drive and position sensor having a drive shaft for positioning a driven part and connected to a magnetic core by a reduction gear to position the core axially relative to a primary and secondary coil so that the voltage in the secondary coil is a measure of the position of the driven part.
REFERENCES:
patent: 2516092 (1950-07-01), Roessler
patent: 3015768 (1962-01-01), Hornfeck et al.
patent: 3939389 (1976-02-01), Nopper
patent: 4019131 (1977-04-01), Yamada et al.
patent: 4109200 (1978-08-01), McNulty
patent: 4140998 (1979-02-01), Bettle
patent: 4450443 (1984-05-01), Dolland
patent: 4456863 (1984-06-01), Matusek
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