Mile post location display system

Details Mile post location display system Mile post location display system

1977-06-20

1978-07-25

Morrison, Malcolm A.

Boots, shoes, and leggings

235 92DN, 235 95B, 364424, 364460, 364709, G06F 1520

Patent

active

041033329

ABSTRACT:
The specification discloses a mile post location system which can be adjusted in accordance with a particular vehicle having a citizens band radio. The system includes circuitry for generating a distance signal in response to rotation of a wheel of the vehicle. Switches are accessible to the vehicle operator for generating a predetermined reference signal dependent upon the diameter of a tire of the vehicle and being representative of a predetermined distance traveled by the vehicle. The system further includes electronic circuitry for comparing the distance signal with the reference signal and for generating an output signal representing the predetermined distance traveled by the vehicle when the distance signal equals the reference signal. A mileage setting device is accessible to the vehicle operator and includes numerical digit keys operable for generating input signals representative of an initial mile post designation to a calculator circuit. The calculator circuit is responsive to the input signals and the comparator electrical output signals for performing arithmetic calculations on the signals and for generating an electrical output signal representing the position of the vehicle relative to subsequent mile post designations. A display is coupled to the calculator circuit for visually displaying the output signal generated by the calculator circuit.

REFERENCES:
patent: 1199626 (1916-09-01), Smithey
patent: 1314285 (1919-08-01), Smithey
patent: 1708708 (1929-04-01), Tibbetts
patent: 1761950 (1930-06-01), Zubaty
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patent: 3614617 (1971-10-01), Blake, Jr.
patent: 3746985 (1973-07-01), Perron
patent: 3898437 (1975-08-01), Butler
patent: 4068307 (1978-01-01), Floyd et al.
patent: 4068308 (1978-01-01), Opper

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