Balance with an electrostatic charge build-up sensor

Details Balance with an electrostatic charge build-up sensor Balance with an electrostatic charge build-up sensor

2008-01-29

2008-01-29

Gibson, Randy W (Department: 2841)

Weighing scales

With casing closure or shield

Reexamination Certificate

active

07323645

ABSTRACT:
A balance (1, 101) has a weighing pan (4, 104) for receiving a load (5, 6, 25) to be weighed, and an electronic weighing module (27) which includes a measuring unit (28). The balance is equipped with an electrostatic sensor (10) which is arranged so that accumulated electrostatic charges which reside on the load can be detected as the load is placed or about to be placed on the weighing pan. The balance is operated by using the electrostatic sensor to detect electrostatic charges, transferring information on a value characterizing the magnitude of the detected electrostatic charges to the measuring unit, comparing the value against a threshold value, and triggering an action of the electronic weighing module based on the comparison.

REFERENCES:
patent: 5107945 (1992-04-01), DeWees
patent: 6515238 (2003-02-01), Martens et al.
patent: 6965083 (2005-11-01), Reiser
patent: 7020577 (2006-03-01), Wilby
patent: 0 705 715 (1941-03-01), None
patent: 0 835 991 (1960-06-01), None

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