Electronic balance with calibrating weight circuit

Details Electronic balance with calibrating weight circuit Electronic balance with calibrating weight circuit

1989-08-21

1990-06-12

Miller, Jr., George H.

Weighing scales

With testing

177180, 73 1B, G01G 1952, G01G 2128, G01L 2500

Patent

active

049324870

ABSTRACT:
An electronic balance with a calibrating weight circuit and with a digital processing unit for the automatic drive of the calibrating weight circuit that includes a proximity sensor is built into the balance and that the automatic drive of the calibrating weight circuit by the digital signal processing unit be blocked as soon as the proximity sensor emits an output signal.

REFERENCES:
patent: 3986012 (1976-10-01), Loshbough et al.
patent: 4156361 (1979-05-01), Melcher et al.
patent: 4343373 (1982-08-01), Stadler et al.
patent: 4425975 (1984-01-01), Luchinger
patent: 4751661 (1988-06-01), Amacher et al.
patent: 4766965 (1988-08-01), Luchinger
patent: 4850442 (1989-07-01), Naito et al.

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