Error detecting apparatus for a scale having a digital display

Details Error detecting apparatus for a scale having a digital display Error detecting apparatus for a scale having a digital display

1979-10-05

1981-02-03

Miller, Jr., George H.

Weighing scales

With testing

177210FP, 177DIG3, 364567, G01G 1952, G01G 314

Patent

active

042483166

ABSTRACT:
In a scale wherein the signal signifying the weight is generated by counting of clock pulses over a weight-dependent part of a predetermined time interval, a second counter counts clock pulses in the remaining part of the predetermined time interval. These are added to the clock pulses counted during the weight-dependent part of the predetermined time interval and compared to a reference number which represents the total number of clock pulses in the predetermined time interval. An error signal is furnished if the two numbers do not correspond.

REFERENCES:
patent: 3766472 (1973-10-01), Whitney
patent: 4080657 (1978-03-01), Caldicott et al.
patent: 4139069 (1979-02-01), Domis et al.
patent: 4144943 (1979-03-01), Gallo
patent: 4153122 (1979-05-01), Engels et al.

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