Up/down counter with a tracking 5/6 input circuit

Details Up/down counter with a tracking 5/6 input circuit Up/down counter with a tracking 5/6 input circuit

1975-10-01

1977-05-03

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92T, 235 92EV, 235 92R, H03K 2106, G06M 314

Patent

active

040216462

ABSTRACT:
There is provided an improvement in a digital counting system including a digital counter which counts up when an incoming pulse is received on one terminal and counts down when an incoming pulse is received on another terminal and means for passing five of six incoming pulses to each of the terminals. This type of counting system is used in totalizing time when driven by a sixty cycle line current. The improvement is the provision of a sequence control means for both the up and down incoming pulses to inhibit one out of each six pulses at identical progressively totalized counting positions so that the up/down counter tracks identically as it is counting up and down.

REFERENCES:
patent: 3549870 (1970-12-01), Lay
patent: 3571575 (1971-03-01), Barr et al.
patent: 3648030 (1972-03-01), Shepherd et al.

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