ClassID:

171533

G01R21/127 - CPC Classification

Classification description:

Arrangements for measuring electric power or power factor by using pulse modulation

Sub-classes:
Recent Application in this class:
#1
20260009828
2026-01-08

SYSTEM AND METHOD FOR CALCULATING THE OUTPUT POWER OF A FLYBACK CONVERTER

#2
20240201234
2024-06-20

TRACKING ENERGY CONSUMPTION USING A BUCK-BOOSTING TECHNIQUE

#3
20210389355
2021-12-16

Signal adjustment device and signal adjustment method

#4
20210172984
2021-06-10

Tracking energy consumption using a buck-boosting technique

#5
20190253039
2019-08-15

Multiplier circuit, corresponding device and method

#6
20190242934
2019-08-08

Calculating a load resistance

#7
20180173255
2018-06-21

System and method for calculating substrate support temperature

#8
20170288530
2017-10-05

Power detection and transmission circuit coupling analog input signal on primary side to secondary side for power information calculation and related power supply apparatus

#9
20170212155
2017-07-27

Tracking energy consumption using a buck-boosting technique

#10
20160356829
2016-12-08

Apparatus for input power detection and method thereof

#11
20160330072
2016-11-10

HVAC unit, a method of generating a network address for a HVAC unit and a HVAC controller therefor

#12
20160266180
2016-09-15

Low jitter pulse output for power meter

#13
20160109494
2016-04-21

Method and apparatus for monitoring energy consumption

#14
20150236615
2015-08-20

Control device of power conversion unit and method of controlling power conversion unit

#15
20150142181
2015-05-21

Staggered start-up HVAC system, a method for starting an HVAC unit and an HVAC controller configured for the same

#16
20150105919
2015-04-16

Outdoor fan and indoor blower controller for heating, ventilation and air conditioning system and method of operation thereof

#17
20150054475
2015-02-26

Signal generation device and signal generation method

#18
20150015233
2015-01-15

Tracking energy consumption using a buck-boosting technique

#19
20140232371
2014-08-21

Apparatus and method for detecting frequency

#20
20130200875
2013-08-08

Electric power detection system

#21
20120200284
2012-08-09

Power measurement device

#22
20120122323
2012-05-17

Air conditioning wiring system

#23
20100299563
2010-11-25

HVAC system, a method for determining a source of a reset and a HVAC controller configured for the same

#24
20100298993
2010-11-25

Airflow managing system, a method of monitoring the airflow in an HVAC system and a HVAC system

#25
20100298989
2010-11-25

HVAC system with automated blower capacity dehumidification, a HVAC controller therefor and a method of operation thereof

#26
20100298988
2010-11-25

Staggered start-up HVAC system, a method for starting an HVAC unit and an HVAC controller configured for the same

#27
20100298987
2010-11-25

Constant air volume HVAC system with a dehumidification function and discharge air temperature control, an HVAC controller therefor and a method of operation thereof

#28
20100298986
2010-11-25

HVAC system, a method for determining a location of an HVAC unit with respect to a site and an HVAC controller

#29
20100298985
2010-11-25

Customer equipment profile system for HVAC controls

#30
20100298984
2010-11-25

USB HVAC SERVICE VERIFICATION

#31
20100298983
2010-11-25

Variable speed motor control method and apparatus

#32
20100298982
2010-11-25

Outdoor fan and indoor blower controller for heating, ventilation and air conditioning system and method of operation thereof

#33
20100298981
2010-11-25

Heating, ventilation and air conditioning system controller having a multifunctional indoor air quality sensor and method of controlling the system based on input from the sensor

#34
20100295700
2010-11-25

HVAC unit, a method of generating a network address for a HVAC unit and a HVAC controller therefor

#35
20100295493
2010-11-25

HVAC equipment phase and voltage monitor and control

#36
20100294845
2010-11-25

Wiring connector housing

#37
20100293991
2010-11-25

Air conditioning wiring system

#38
20100007278
2010-01-14

Lamp overload detection/modulation circuit

#39
20090121705
2009-05-14

Poly phase solid state watt hour meters