Indication apparatus with discrete illuminated projections

Details Indication apparatus with discrete illuminated projections Indication apparatus with discrete illuminated projections

1976-05-10

1977-05-03

Miller, Jr., George H.

Weighing scales

Illuminated

Projected

177210R, 177DIG6, 250231SE, 116129P, G01G 2332, G01G 314, G01D 534, G09F 900

Patent

active

040209121

ABSTRACT:
An indicating apparatus for indicating measured values in a digital manner, comprising a graduated plate adapted to be moved in accordance with the weight of an object to be weighed, the graduated plate being provided with numerical characters for indicating the weight in a digital manner and displacement indicating marks for detection of the displacement of the graduated plate, the numerical characters and displacement indicating marks being arranged in the direction of movement of the graduated plate, two light sources opposed to the graduated plate and individually correlated with two adjacent numerical characters, the two light sources being controlled so that either one of them is turned on in response to a signal indicating the displacement of the graduated plate represented by the associated displacement indicating mark thereby to indicate the measured value in a digital manner.

REFERENCES:
patent: 2065960 (1936-12-01), Bauml
patent: 2807189 (1957-09-01), Wagner
patent: 3461986 (1969-08-01), Schierbeck
patent: 3912028 (1975-10-01), Schwarz
patent: 3916185 (1975-10-01), Jehly
patent: 3967271 (1976-06-01), Day
patent: 3973109 (1976-08-01), Foster

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