JPS6151266B2 - - Google Patents

Info

Publication number
JPS6151266B2
JPS6151266B2 JP52053286A JP5328677A JPS6151266B2 JP S6151266 B2 JPS6151266 B2 JP S6151266B2 JP 52053286 A JP52053286 A JP 52053286A JP 5328677 A JP5328677 A JP 5328677A JP S6151266 B2 JPS6151266 B2 JP S6151266B2
Authority
JP
Japan
Prior art keywords
square
difference
biparabolic
multiplier
sum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP52053286A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52153780A (en
Inventor
Do Furiisu Yakobu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Building Technologies AG
Original Assignee
Landis and Gyr Immobilien AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Landis and Gyr Immobilien AG filed Critical Landis and Gyr Immobilien AG
Publication of JPS52153780A publication Critical patent/JPS52153780A/ja
Publication of JPS6151266B2 publication Critical patent/JPS6151266B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/10—Arrangements for measuring electric power or power factor by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/164—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using means for evaluating powers, e.g. quarter square multiplier

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
JP5328677A 1976-06-15 1977-05-11 Dual parabola multiplier for measuring electric energy or output Granted JPS52153780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH763176A CH607038A5 (enrdf_load_stackoverflow) 1976-06-15 1976-06-15

Publications (2)

Publication Number Publication Date
JPS52153780A JPS52153780A (en) 1977-12-21
JPS6151266B2 true JPS6151266B2 (enrdf_load_stackoverflow) 1986-11-07

Family

ID=4328127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5328677A Granted JPS52153780A (en) 1976-06-15 1977-05-11 Dual parabola multiplier for measuring electric energy or output

Country Status (5)

Country Link
JP (1) JPS52153780A (enrdf_load_stackoverflow)
CH (1) CH607038A5 (enrdf_load_stackoverflow)
DE (1) DE2632192C2 (enrdf_load_stackoverflow)
FR (1) FR2355297A1 (enrdf_load_stackoverflow)
NL (1) NL7608157A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL7608157A (nl) 1977-12-19
CH607038A5 (enrdf_load_stackoverflow) 1978-11-30
FR2355297A1 (fr) 1978-01-13
DE2632192B1 (de) 1977-03-31
JPS52153780A (en) 1977-12-21
DE2632192C2 (de) 1977-11-24

Similar Documents

Publication Publication Date Title
US2059594A (en) Electrical measuring instrument
JPS6026463B2 (ja) 交流電力量計測回路
GB2123991A (en) Heater control device
US3839667A (en) Inverters
US2521522A (en) Rectifier measuring circuit
US2440200A (en) Rectifying network for measuring alternating currents
JPS6151266B2 (enrdf_load_stackoverflow)
US3068411A (en) Wattmeter circuit
JPS63190557A (ja) 電源装置
JPS622271B2 (enrdf_load_stackoverflow)
JPS62225163A (ja) 電源装置
JPS6356504B2 (enrdf_load_stackoverflow)
GB886265A (en) Improvements in or relating to multiplying devices
JP2632586B2 (ja) 蓋付容器
JP2621277B2 (ja) ヒータの電力制御装置
US3499168A (en) Voltage regulating circuit with reactor sensing means
US2866159A (en) Apparatus responsive to the product of voltage and current of electrical circuits
US2485005A (en) Electronic control device responsive to rate of change of a condition
JPS56112656A (en) Electronic reactive power meter
JPS5854409A (ja) ヒ−タ温度制御装置
JPS59223A (ja) ゼロクロス制御回路
SU83449A1 (ru) Электрический множитель и делитель
JPS6225695Y2 (enrdf_load_stackoverflow)
JPS6273314A (ja) 交流信号通電制御装置
JPS63221412A (ja) 電力制御装置