Registers – Platform operated – Platform actuated traffic counters
Patent
1976-08-17
1978-03-28
Thesz, Joseph M.
Registers
Platform operated
Platform actuated traffic counters
235 92FQ, 235 92TE, 235 92R, 328109, H03K 2106, G01R 2302
Patent
active
040811301
ABSTRACT:
A filter-type pulse counter system which separates pulses of desired frequencies from pulses of undesired frequencies, filters out the pulses of undesired frequencies, and then accepts and counts only those pulses of the desired frequencies.
REFERENCES:
patent: 3790720 (1974-02-01), Schartmann
patent: 3860798 (1975-01-01), Kemper
patent: 3917927 (1975-11-01), Minton
patent: 3936603 (1976-02-01), Guppy et al.
patent: 3981440 (1976-09-01), Richardson
International Mobile Machines Corporation
Jacobs Arthur A.
Thesz Joseph M.
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