Patent ID: 7540205
Filing Date: 2009-06-02
Classification: B01L

Abstract:
1. A hand-held, electronic pipettor comprising: an elongated body adapted to be held in the hand of the user; a touch wheel control located on a front side of the body to be operated by the user; a run button located on the pipettor to be operated by the user; an ejector button located on the pipettor to be operated by the user; a dot matrix user interface display located on the front side of the pipettor above the touch wheel control, a microprocessor; and menu-driven software for controlling information displayed on the user interface display and for programming the microprocessor to operate the pipettor wherein at least some of the information is displayed as a menu of options; wherein the touch wheel control comprises a circular touch pad that translates rotational movement of a thumb or finger into cursor movements on the display in order to navigate the menu-driven software.