Portable display and control terminal for wells

Details Portable display and control terminal for wells Portable display and control terminal for wells

G - Physics

09

G

354/25, 375/5

G09G 3/00 (2006.01) E21B 47/00 (2006.01) G02F 1/133 (2006.01) G09G 3/36 (2006.01)

Patent

CA 1248249

13 Abstract of the Disclosure A portable terminal for plugging into a well production control system for displaying data form the control system and for entering data into the control system. A liquid crystal display module on the terminal displays both graphic and printed data. A keyboard on the terminal provides a means for entering data and control signals into the control system. A temperature compensation circuit adjusts the brightness contrast on the display module so the terminal can be used out doors over a wide range of temperatures.

472352

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