Electronic balance with dual purpose 10-key keyboard

Details Electronic balance with dual purpose 10-key keyboard Electronic balance with dual purpose 10-key keyboard

1986-01-15

1987-02-24

Miller, Jr., George H.

Weighing scales

Preset

Responsive to load receiver

177 70, G01G 2314, G01G 1922

Patent

active

046450211

ABSTRACT:
In order to make it possible to display a consecutive number in a simple manner in an electronic balance having a digital display (10) and a 10-key keyboard (12), the invention provides that a light source (16) be associated with each of the keys of the 10-key keyboard and that the counter for the consecutive number actuates the light source of the 10-key keyboard which corresponds to its counter reading. The counter is actuated by a tare key and other light sources are provided to indicate larger decades.

REFERENCES:
patent: 3127947 (1964-04-01), Vogel
patent: 3262509 (1966-07-01), Schellentrager
patent: 3727706 (1973-04-01), Streater et al.
patent: 4117898 (1978-10-01), Moriyama
patent: 4219089 (1980-08-01), Gard et al.
patent: 4299299 (1981-11-01), Knothe et al.
patent: 4390074 (1983-06-01), Vogel

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