G - Physics – 01 – R
Patent
G - Physics
01
R
324/75
G01R 11/00 (2006.01) G01R 13/04 (2006.01)
Patent
CA 1220821
49,397 ABSTRACT OF THE DISCLOSURE An electrical energy meter for measuring various parameters of electrical energy consumption has a cover- mounted time-of-day multifunction register. Digital signals representative of electrical energy usage are input to the time-of-day multifunction register which measures energy consumption during the on-peak, off-peak, and intermediate-peak periods of each day. The multi- function register communicates by way of light radiations with an external programmer/reader unit having a plurality of fingers at its front face. These fingers engage re- cesses in the meter cover for accurate alignment of the multifunction register and the programmer/reader unit. Attaching the multifunction register to the meter cover rather than to the meter frame offers improved alignment between the multifunction register and the programmer/ reader unit and provides easy retrofitting of present watthour meters lacking the time-of-day feature with a time-of-day multifunction register. Also, shielding the time-of-day multifunction register from the heat- generating components of the watthour meter allows the time-of-day multifunction register and associated com- ponents to operate at a lower ambient temperature.
461702
Oldham And Company
Westinghouse Electric Corporation
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