JPS51122469A - Relative power measuring device - Google Patents

Relative power measuring device

Info

Publication number
JPS51122469A
JPS51122469A JP51040012A JP4001276A JPS51122469A JP S51122469 A JPS51122469 A JP S51122469A JP 51040012 A JP51040012 A JP 51040012A JP 4001276 A JP4001276 A JP 4001276A JP S51122469 A JPS51122469 A JP S51122469A
Authority
JP
Japan
Prior art keywords
measuring device
power measuring
relative power
relative
power
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.)
Pending
Application number
JP51040012A
Other languages
English (en)
Japanese (ja)
Inventor
Pii Edowaazu Aren
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.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard Ltd
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 Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Publication of JPS51122469A publication Critical patent/JPS51122469A/ja
Pending 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
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/10—Measuring sum, difference or ratio
    • 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
    • G01R21/1333—Arrangements for measuring electric power or power factor by using digital technique adapted for special tariff measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP51040012A 1975-04-14 1976-04-09 Relative power measuring device Pending JPS51122469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/567,587 US4011509A (en) 1975-04-14 1975-04-14 Apparatus for relative power measurements in a power meter

Publications (1)

Publication Number Publication Date
JPS51122469A true JPS51122469A (en) 1976-10-26

Family

ID=24267780

Family Applications (2)

Application Number Title Priority Date Filing Date
JP51040012A Pending JPS51122469A (en) 1975-04-14 1976-04-09 Relative power measuring device
JP1980080261U Pending JPS55181558U (2) 1975-04-14 1980-06-09

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP1980080261U Pending JPS55181558U (2) 1975-04-14 1980-06-09

Country Status (2)

Country Link
US (1) US4011509A (2)
JP (2) JPS51122469A (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62162975A (ja) * 1986-01-13 1987-07-18 Kokusai Electric Co Ltd 信号電力比測定回路
JPS62162976A (ja) * 1986-01-13 1987-07-18 Kokusai Electric Co Ltd 信号電力比測定回路

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165508A (en) * 1978-02-28 1979-08-21 Beckman Instruments, Inc. Method and apparatus for detecting a peak value of an analog signal
US4336445A (en) * 1978-04-28 1982-06-22 Baker Thomas E Electrical totalizer
US4227070A (en) * 1978-04-28 1980-10-07 Baker Thomas E Electrical totalizer
GB2044497B (en) * 1979-03-14 1982-12-08 Singer Co Uk Ltd Decibel addition circuit
NL8402918A (nl) * 1984-09-25 1986-04-16 Philips Nv Niveau-indikator.
JPH0738002B2 (ja) * 1986-08-19 1995-04-26 パイオニア株式会社 デイジタルレベル表示装置
US5341089A (en) * 1992-03-27 1994-08-23 Tandy Corporation Voltage to decibel converter having partial table lookup

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064889A (en) * 1961-01-03 1962-11-20 Eldorado Electronics Company Decimal readout for binary numbers
US3497683A (en) * 1966-06-24 1970-02-24 Us Navy Catapult digital end speed indicator
US3501696A (en) * 1968-07-12 1970-03-17 Hewlett Packard Co Temperature compensated r.f. power measuring device having automatic zero setting means
US3879668A (en) * 1973-12-06 1975-04-22 Hewlett Packard Co Converter circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62162975A (ja) * 1986-01-13 1987-07-18 Kokusai Electric Co Ltd 信号電力比測定回路
JPS62162976A (ja) * 1986-01-13 1987-07-18 Kokusai Electric Co Ltd 信号電力比測定回路

Also Published As

Publication number Publication date
US4011509A (en) 1977-03-08
JPS55181558U (2) 1980-12-26

Similar Documents

Publication Publication Date Title
JPS51149050A (en) Measuring device
JPS51149049A (en) Measuring device
JPS523455A (en) Distance measuring device
GB1541250A (en) Ultrasonic measuring devices
JPS5235659A (en) Increment type measuring device
JPS5268431A (en) Electroooptical device
JPS5267067A (en) Hydroocyclone device
JPS5284763A (en) Measuring device
JPS53125082A (en) Power measuring device
JPS5271887A (en) Echoograph device
JPS5243467A (en) Current measuring device
JPS51113657A (en) Length measuring device
CS188991B2 (en) Length measuring device
CS188992B2 (en) Length measuring device
JPS5236201A (en) Power device
JPS5284101A (en) Power device
AU1532476A (en) Angle measuring device
JPS5229082A (en) Transshipping device
JPS5235591A (en) Xxray device
JPS5287055A (en) Measuring device
GB1544447A (en) Position measuring device
JPS5268916A (en) Trasformation device
JPS51122469A (en) Relative power measuring device
JPS51136106A (en) Coillwinding device
JPS5342784A (en) Power measuring device