Position triggered dispenser and methods

Details Position triggered dispenser and methods Position triggered dispenser and methods

1998-09-22

2000-03-21

Douglas, Steven O.

Dispensing

Processes of dispensing

222137, 22240224, 141 1, 141130, 7386332, 422101, 422102, G01F 1100

Patent

active

060392118

ABSTRACT:
The invention provides systems, methods, and apparatus for dispensing liquids. According to one method, a plate is provided having a plurality of wells. At least one marker is also provided and is associated with at least some of the wells. The plate and marker are moved relative to a plurality of liquid dispensing elements, and the presence of the marker is sensed with a sensor that is disposed at a known location relative to the dispensing elements. The sensing of the marker indicates that at least some of the wells are aligned with the dispensing elements. As such, liquid is dispensed from the dispensing elements and into the aligned wells after sensing the presence of the marker.

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patent: 5411065 (1995-05-01), Meador et al.
patent: 5759494 (1998-06-01), Szlosek
patent: 5939024 (1999-08-01), Robertson

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