Apparatus for operation selector circuits, especially tariff sel

Details Apparatus for operation selector circuits, especially tariff sel Apparatus for operation selector circuits, especially tariff sel

1974-05-29

1977-01-04

Wise, Edward J.

Registers

Transfer mechanism

Traveling pawl

235 30R, 235 45, G07B 1310

Patent

active

040015602

ABSTRACT:
An electronic taximeter having a fare computing unit, a selector circuit and an operation switching unit. The fare computing unit computes a fare at a rate determined by logic signals developed by the selector circuit, which is responsive to signals applied thereto. The operation switching unit is operable to develop selected operating signals to determine the logic signals developed by the selector circuit. The selector circuit remains in an operating state determined by the last operating signal applied thereto, even after the last operating signal is removed, until a new operating signal is applied to change the logic signal output of the selector circuit.

REFERENCES:
patent: 3512706 (1970-05-01), Sanders
patent: 3818186 (1974-06-01), Harwood
patent: 3843874 (1974-10-01), Kelch
patent: 3860807 (1975-01-01), Fichter et al.

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