Apparatus for measuring the weight of small items

Details Apparatus for measuring the weight of small items Apparatus for measuring the weight of small items

2005-08-23

2005-08-23

Williams, Hezron (Department: 2856)

Measuring and testing

Mass

C073S580000, C177S2100FP

Reexamination Certificate

active

06931949

ABSTRACT:
The invention provides an apparatus for measuring the mass and calculating the weight of individual objects to be held thereby, comprising forceps having a proximal portion and a distal portion, the proximal portion being adapted to grasp and hold a selected object, means associated with the forceps for initiating vibration of the same while the object is held thereby and means for measuring the oscillating frequency of the forceps while the object is held thereby, and for utilizing the measured higher oscillating frequency of the empty forceps to compute the mass and the weight of the selected object.

REFERENCES:
patent: 3595329 (1971-07-01), Withnell et al.
patent: 4623030 (1986-11-01), Portman, Jr. et al.
patent: 4845656 (1989-07-01), Nishibe et al.
patent: 6397678 (2002-06-01), Popper
patent: 6668652 (2003-12-01), Nakayama et al.

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