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FI (list display)

  • G01R21/00
    		•  Arrangements for measuring electric power or power factor (G01R 7/12 takes precedence) [4] HB CC 2G126
  • G01R21/00@C
    		•  Measuring power factors HB CC 2G126
  • G01R21/00@D
    		•  .Obtaining from effective power, reactive power or apparent power HB CC 2G126
  • G01R21/00@E
    		•  .Measuring phase differences HB CC 2G126
  • G01R21/00@F
    		•  .Characterised by circuits converting between phase differences and power factors HB CC 2G126
  • G01R21/00@G
    		•  .Processing using of voltages or currents; using of counters HB CC 2G126
  • G01R21/00@H
    		•  .Measuring power factors of three-phase circuits HB CC 2G126
  • G01R21/00@J
    		•  Measuring reactive power HB CC 2G126
  • G01R21/00@K
    		•  Measuring apparent power HB CC 2G126
  • G01R21/00@L
    		•  Power meters with taps or plugs HB CC 2G126
  • G01R21/00@M
    		•  Measuring power from power meter pulses HB CC 2G126
  • G01R21/00@N
    		•  Multi-phase power meters; DC power meters HB CC 2G126
  • G01R21/00@P
    		•  Power monitoring circuits; recording power HB CC 2G126
  • G01R21/00@Q
    		•  Processing data measured by power meters HB CC 2G126
  • G01R21/00@R
    		•  With configurations for test (testing, calibrating 35/00) HB CC 2G126
  • G01R21/00@S
    		•  Characterised by shunting, voltage dividing or power supply circuits or meters; insulating circuits HB CC 2G126
  • G01R21/00@Z
    		•  Others HB CC 2G126
  • G01R21/01
    		•  .in circuits having distributed constants (G01R 21/04, G01R 21/07, G01R 21/09, G01R 21/12 take precedence) [2] HB CC 2G126
  • G01R21/01@A
    		•  C-M or C-C type power meters HB CC 2G126
  • G01R21/01@Z
    		•  Others HB CC 2G126
  • G01R21/02
    		•  .by thermal methods [2] HB CC 2G126
  • G01R21/04
    		•  ..in circuits having distributed constants HB CC 2G126
  • G01R21/04@A
    		•  Single load type calorimeters HB CC 2G126
  • G01R21/04@B
    		•  twin load type calorimeters HB CC 2G126
  • G01R21/04@C
    		•  Water load power meters HB CC 2G126
  • G01R21/04@D
    		•  Measuring circuits using of thermocouples HB CC 2G126
  • G01R21/04@E
    		•  Thermocouple structures HB CC 2G126
  • G01R21/04@F
    		•  Measuring circuits using of bolometers (thermistors, barretters) HB CC 2G126
  • G01R21/04@G
    		•  Structures of bolometers (thermistors, barretters) HB CC 2G126
  • G01R21/04@H
    		•  Using of temperature indicating substances, lights, piezoelectric elements, temperatures or bimetal HB CC 2G126
  • G01R21/04@Z
    		•  Others HB CC 2G126
  • G01R21/06
    		•  .by measuring current and voltage (G01R 21/08-G01R 21/133 take precedence) [4] HB CC 2G126
  • G01R21/06@A
    		•  Using of square of sums of square of differences circuits HB CC 2G126
  • G01R21/06@B
    		•  Optical power measuring HB CC 2G126
  • G01R21/06@C
    		•  Use of multiplier circuits using photocouplers, logarithmic converter circuits, synchronous rectifiers or frequency doubler type magnetic detectors HB CC 2G126
  • G01R21/06@D
    		•  Using of multiplying circuits using of FET, transistors or vacuum tubes HB CC 2G126
  • G01R21/06@E
    		•  Compensating errors; removing ripples; switching ranges (switching ranges in general 15/08) HB CC 2G126
  • G01R21/06@F
    		•  Measuring either voltages or currents; using of processing circuits HB CC 2G126
  • G01R21/06@G
    		•  Characterised by integrating circuits HB CC 2G126
  • G01R21/06@H
    		•  With structures for testing (testing; calibrating 35/00) HB CC 2G126
  • G01R21/06@Z
    		•  Others HB CC 2G126
  • G01R21/07
    		•  ..in circuits having distributed constants (G01R 21/09 takes precedence) [2] HB CC 2G126
  • G01R21/08
    		•  .by using galvanomagnetic-effect devices, e.g. Hall-effect devices [2] HB CC 2G126
  • G01R21/09
    		•  ..in circuits having distributed constants [2] HB CC 2G126
  • G01R21/10
    		•  .by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance (G01R 21/02 takes precedence) [2] HB CC 2G126
  • G01R21/12
    		•  ..in circuits having distributed constants HB CC 2G126
  • G01R21/127
    		•  .by using pulse modulation (G01R 21/133 takes precedence) [4] HB CC 2G126
  • G01R21/127@A
    		•  Characterised by circuits for modulating pulse widths HB CC 2G126
  • G01R21/127@B
    		•  Characterised by circuits for modulating amplitudes HB CC 2G126
  • G01R21/127@C
    		•  Removing offset voltages; compensating temperatures HB CC 2G126
  • G01R21/127@D
    		•  Compensating phase errors; circuits for preventing creep or insulating circuits; scaling circuits; indicating failures HB CC 2G126
  • G01R21/127@E
    		•  Measuring reactive or apparent power HB CC 2G126
  • G01R21/127@F
    		•  Measuring multi-phase or DC power HB CC 2G126
  • G01R21/127@Z
    		•  Others HB CC 2G126
  • G01R21/133
    		•  .by using digital technique [4] HB CC 2G126
  • G01R21/133@A
    		•  Multiplying or smoothening sampled values HB CC 2G126
  • G01R21/133@B
    		•  Processing sampled values with specified phase intervals e.g. 90 degrees; synchronising signals to be tested or sampling frequencies HB CC 2G126
  • G01R21/133@C
    		•  Digital processing of DC converted output of voltages or currents HB CC 2G126
  • G01R21/133@D
    		•  Compensating errors e.g. phase, offset; adjusting phases; switching ranges (switching ranges in general 15/08) HB CC 2G126
  • G01R21/133@E
    		•  Measuring reactive, apparent or multi-phase power HB CC 2G126
  • G01R21/133@F
    		•  Using of counters HB CC 2G126
  • G01R21/133@G
    		•  Digital converting or indicating power HB CC 2G126
  • G01R21/133@Z
    		•  Others HB CC 2G126
  • G01R21/14
    		•  .Compensating for temperature change [2] HB CC 2G126
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