发明名称 |
DIGITAL PROCESSING SYSTEM FOR TIME-OF-DAY AND DEMAND METER DISPLAY |
摘要 |
<p>An A.C. electric power usage measuring and display system using microcomputer based digital processing. Power usage pulses optically sensed from a watthour meter rotary disc and time pulses sensed from the 60 Hz A.C. power line are input to a microprocessor that is programmed to calculate and display the day of the week 1 to 7, the time of day on a 24-hour clock basis, the total watthours and kilowatthours since the start of a billing period on a decimal basis, the peak interval watthours and kilowatthours on a decimal basis, the peak interval start time and end time on a 24-hour clock basis for a peak interval of predetermined time, the peak power demand in kilowatts on a decimal basis, the day of the peak demand on a weekly 1 to 7 basis, the time of the peak demand on a 24-hour clock basis, and the present demand in kilowatts on a decimal basis. This data is displayed in sequence along with a reference decimal number 1 to 12 on an electronic display built into the meter and visible through the glass cover thereof.</p> |
申请公布号 |
CA1135340(A) |
申请公布日期 |
1982.11.09 |
申请号 |
CA19790338900 |
申请日期 |
1979.10.31 |
申请人 |
EATON CORPORATION |
发明人 |
ANDERSON, JOHN A.;BORN, RICHARD C.;KNOPF, FRANK A.;SABROFF, RICHARD R.;SCHUTTEN, HERMAN P.;VAN ZEELAND, DONALD L. |
分类号 |
G01R11/66;G01R21/133;G06F17/40;(IPC1-7):01R11/32;G01R13/02;01R13/02 |
主分类号 |
G01R11/66 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|