JPS622271B2 - - Google Patents

Info

Publication number
JPS622271B2
JPS622271B2 JP52053285A JP5328577A JPS622271B2 JP S622271 B2 JPS622271 B2 JP S622271B2 JP 52053285 A JP52053285 A JP 52053285A JP 5328577 A JP5328577 A JP 5328577A JP S622271 B2 JPS622271 B2 JP S622271B2
Authority
JP
Japan
Prior art keywords
square
parabolic
multiplier
difference
characteristic element
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
JP52053285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52153779A (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 JPS52153779A publication Critical patent/JPS52153779A/ja
Publication of JPS622271B2 publication Critical patent/JPS622271B2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
JP5328577A 1976-06-15 1977-05-11 Parabola multiplier for measuring electric energy or output Granted JPS52153779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH763076A CH607037A5 (enrdf_load_stackoverflow) 1976-06-15 1976-06-15

Publications (2)

Publication Number Publication Date
JPS52153779A JPS52153779A (en) 1977-12-21
JPS622271B2 true JPS622271B2 (enrdf_load_stackoverflow) 1987-01-19

Family

ID=4328112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5328577A Granted JPS52153779A (en) 1976-06-15 1977-05-11 Parabola multiplier for measuring electric energy or output

Country Status (7)

Country Link
JP (1) JPS52153779A (enrdf_load_stackoverflow)
CH (1) CH607037A5 (enrdf_load_stackoverflow)
DE (1) DE2710294C3 (enrdf_load_stackoverflow)
FR (1) FR2355296A1 (enrdf_load_stackoverflow)
GB (1) GB1537425A (enrdf_load_stackoverflow)
NL (1) NL7706562A (enrdf_load_stackoverflow)
YU (1) YU139177A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020145415A1 (en) * 2001-04-09 2002-10-10 Vanremmen William John Method and apparatus for determining the instantaneous power of a sinusoidal signal

Also Published As

Publication number Publication date
GB1537425A (en) 1978-12-29
CH607037A5 (enrdf_load_stackoverflow) 1978-11-30
JPS52153779A (en) 1977-12-21
DE2710294C3 (de) 1979-02-15
YU139177A (en) 1982-05-31
FR2355296A1 (fr) 1978-01-13
DE2710294B2 (de) 1978-06-29
DE2710294A1 (de) 1977-12-22
NL7706562A (nl) 1977-12-19
FR2355296B3 (enrdf_load_stackoverflow) 1979-04-27

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