发明名称 Machine readable display unit
摘要 A machine readable unit for meter devices of the type presenting a changeable, readable indicia proportional to a changeable input thereto, to include electric rate meters, gas meters, water meters, and other data registers, includes an assembly for displaying alphanumeric indicia in a machine readable format and an assembly for changing the displayed indicia responsive to input to the meter device.
申请公布号 US5926015(A) 申请公布日期 1999.07.20
申请号 US19940279565 申请日期 1994.07.25
申请人 PHARR, ROBERT S. 发明人 PHARR, ROBERT S.
分类号 G01R11/16;G01R22/00;(IPC1-7):G01R1/00 主分类号 G01R11/16
代理机构 代理人
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