Touch-free control device for elevator
OwnerYan-Chang CHENinventor
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Abstract
A touch-free control device for an elevator being applicable for an electronically controlled machine of an elevator and contains: a control panel, at least one distance sensor, a microprocessor, and a servo unit. The control panel includes a plurality of keys equidistantly arranged thereon to display a floor direction or a floor number. Each distance sensor is fixed on the control panel to correspond to the plurality of keys, a distance of the sensing signal is parallel to a position of the plurality of keys, and a starting position of the sensing signal of the one distance sensor and a distance between any two keys are used to determine one of the plurality of keys selected by a user. The microprocessor is disposed on the servo unit and is electrically connected with the one distance sensor.
Claims4
A touch-free control device for an elevator being applicable for an electronically controlled machine of an elevator and comprising:
- a control panel, at least one distance sensor, a microprocessor, and a servo unit, characterized in that:
- the control panel includes a plurality of keys equidistantly arranged thereon;
- each distance sensor is fixed on the control panel to correspond to the plurality of keys, a distance of the sensing signal is parallel to a position of the plurality of keys, and a starting position of the sensing signal of the one distance sensor and a distance between any two keys are used to determine one of the plurality of keys selected by a user;
- the microprocessor is disposed on the servo unit and is electrically connected with the one distance sensor.
Dependencies are inferred from the claim text.