Calculator-like device especially useful as an adjunct to a CB r

Details Calculator-like device especially useful as an adjunct to a CB r Calculator-like device especially useful as an adjunct to a CB r

1976-07-19

1978-01-10

Wise, Edward J.

Boots, shoes, and leggings

364708, 235 92DN, G06F 1502

Patent

active

040683087

ABSTRACT:
A device useful in a moving vehicle to locate the position of the vehicle relative to a particular point of reference at any time the vehicle is moving along a given highway. The device resembles a calculator in form and employs storage or memory banks the elements of which are key controlled. Numerical key controlled means are provided for input to said device of numerical information respectively to identify a point of reference along a given highway and individual mileage readings referenced to spaced locations along said highway. Function keys are provided to store this numerical input in said storage or memory banks and the last to operate of said function keys is arranged to interrelate the stored numerical information and to transmit an output signal from said device which enables an accurate location of the position of said vehicle along said highway in accordance with the last numerical input.
In preferred embodiments of the invention the function keys are variously provided so that the user of the device may obtain the desired information as referenced to a highway mile marker system irrespective of whether the mile marker numbers, as observed, are progressively increasing or decreasing in the direction of travel.

REFERENCES:
patent: 3843874 (1974-10-01), Kelch
patent: 3845289 (1974-10-01), French
patent: 3924111 (1975-12-01), Farris
patent: 3925641 (1975-12-01), Kashio
patent: 3983378 (1976-09-01), Tammi

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