Registers – Platform operated – Platform actuated traffic counters
Patent
1975-02-14
1976-08-10
Thesz, Joseph M.
Registers
Platform operated
Platform actuated traffic counters
235 92EA, 235 92R, 335181, 340319, G06M 104, G08B 500
Patent
active
039737268
ABSTRACT:
In a multi-polar electromagnetically energized rotary indicator each of the pole pieces is associated with a significantly isolated flux path, which, at one end of the turning axis of the rotor part of the indicator, leads diametrically to a flux concentrator displaced 180.degree. from the pole piece in question. In a particular embodiment, this result is realized by a system of separate but mutually nested bridging parts of ferromagnetic material, each of which defines an essentially independent flux path. Other embodiments provide quasi-independent flux paths serving a similar electromagnetic function. An arrangement for sensing the response of an indicator is described.
REFERENCES:
patent: 1058545 (1913-04-01), Caldwell
patent: 3376569 (1968-04-01), Watkins
patent: 3588888 (1971-06-01), Harden
patent: 3766549 (1973-10-01), Kulka et al.
Engineered Sinterings and Plastics, Inc.
Thesz Joseph M.
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