Gas meter having ultra-sensitive magnetic material retrofitted onto meter dial and method for performing meter retrofit
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United States of America Patent
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-
Dec 18, 2012
Grant Date -
Jun 18, 2009
app pub date -
Oct 27, 2008
filing date -
Oct 25, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Device, structure and method for retrofitting a utility meter such as a gas meter with a retrofit module or for new installations to conventional meters so that it can be read remotely and so that retrofit may be accomplished simply by unskilled workers and without damage or alteration of meter. The method for retrofitting a meter of the type having shaft driven dial with dial index pointer and index cover involves removing the meter index cover to access the meter index dial pointer; attaching a magnet to the pointer so that it is carried in orbit around the pointer shaft to which the pointer is attached; and mounting a sensor to the meter adapted to sense the passage of the pointer-mounted magnet and to detect the orbit of index pointer; the attaching of the magnet and the mounting of the sensor being performed without removing the meter dial index assembly.
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Family
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