Registers – Platform operated – Platform actuated traffic counters
Patent
1978-12-13
1981-01-13
Thesz, Joseph M.
Registers
Platform operated
Platform actuated traffic counters
235 92PE, 235 92EV, 364424, G06F 1520, G06M 314
Patent
active
042445140
ABSTRACT:
An electronic trip meter with an alarm for an automotive vehicle comprises a travelled distance sensing circuit, a memory circuit, a modification circuit, comparators, an alarm, first and second counters, a subtractor, a display circuit, and other auxiliary circuits. A plurality of sub distances defined by guide points along a course and a total distance of the course are respectively preset in the memory circuit and the second counter. The second counter output signal indicates a distance remaining to the goal of the course for displaying the remaining distance. The modification circuit output signal indicates a distance shorter than a sub distance while the first counter output signal indicates a distance actually travelled. When the vehicle travells over the distance shorter than the sub distance, the alarm is energized, by means of a comparison of the distances for informing the driver that a next guide point is near. Simultaneously, a distance remaining to the next guide point is displayed for a predetermined period of time.
REFERENCES:
patent: 3780272 (1973-12-01), Rohner
patent: 3809864 (1974-05-01), Sampey
patent: 3925641 (1975-12-01), Kashio
patent: 4031363 (1977-06-01), Freeman et al.
Kawasaki Teruo
Matsuoka Hideoki
Mizote Masanori
Mogi Takaaki
Nomura Hiroyuki
Nissan Motor Company Limited
Thesz Joseph M.
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