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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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