Appeal No. 97-3097
Application 08/030,488
distance measuring means, in the form of a laser, capable
of detecting changes in position or conformation of each
diaphragm, said laser being arranged with respect to the
container such that a portion of the container adjacent the
diaphragm is used as a reference against which all relative
positional or conformational changes of the diaphragm are
detected, said diaphragm being capable of moving between
concave and convex configurations in response to pressure
changes within the container,
means for providing relative movement between the
containers and the distance-measuring means for repeatedly
presenting the containers individually in turn to the
distance-measuring means, and
means for recording and/or displaying data obtained from
the distance measuring means.
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Last modified: November 3, 2007