Registers – Platform operated – Platform actuated traffic counters
Patent
1979-10-15
1982-06-29
Thesz, Joseph M.
Registers
Platform operated
Platform actuated traffic counters
235 92MP, 235 92EV, 340855, G06M 314
Patent
active
043373925
ABSTRACT:
A power rodding apparatus is often used in conjunction with laying telephone cable through underground conduits. For such applications the exact location of the end of the rod is important and is determined by a position detecting circuit. The circuit includes a magnetic sensor coupled to a shaft which rotates as a function of the amount of rod which has been extended or retracted from the rodding machine. The sensor also detects the direction of rotation and provides the information to digital logic which encodes the information and transmits it to a remote location. The received information is decoded and utilized to drive a digital display providing instantaneous information regarding the position of the end of the rod. A memory circuit is also provided which stores the total number of operating cycles as a general measure of rod wear.
REFERENCES:
patent: 2655633 (1953-10-01), Minor et al.
patent: 3497958 (1970-03-01), Gollwitzer
patent: 3588804 (1971-06-01), Fort
patent: 3774827 (1973-11-01), Graybeal
patent: 3810090 (1974-05-01), Davis et al.
patent: 3865305 (1975-02-01), Sampey
patent: 4140970 (1979-02-01), Graziano
patent: 4142152 (1979-02-01), Fincher
patent: 4181959 (1980-01-01), Tateishi
Champion Corporation
Thesz Joseph M.
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