发明名称 Watt-hour meter cover with battery hatch/reset switch and optical communication port
摘要 A watt-hour meter cover is provided which has an optical coupler including a conduit, lens, and means for engaging an external programmer/reader. The conduit is has improved signal transmission properties. The cover may be designed to disable test mode hardware when replaced after meter servicing. A battery access hatch and module with a reset and scroll actuator is installed through the cover.
申请公布号 US5296803(A) 申请公布日期 1994.03.22
申请号 US19920957758 申请日期 1992.10.07
申请人 LANDIS & GYR METERING, INC. 发明人 KIRBY, LANE C.;MOORE, LESTER C.;GATZ, CHRISTOPHER J.;TATE, RONALD C.
分类号 G01R11/04;(IPC1-7):G01R1/04;G01R19/16 主分类号 G01R11/04
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