JPH0426065B2 - - Google Patents

Info

Publication number
JPH0426065B2
JPH0426065B2 JP58137214A JP13721483A JPH0426065B2 JP H0426065 B2 JPH0426065 B2 JP H0426065B2 JP 58137214 A JP58137214 A JP 58137214A JP 13721483 A JP13721483 A JP 13721483A JP H0426065 B2 JPH0426065 B2 JP H0426065B2
Authority
JP
Japan
Prior art keywords
phase
signal
input
signals
phase detection
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 - Lifetime
Application number
JP58137214A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6028306A (ja
Inventor
Toshuki Yagi
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
Priority to JP58137214A priority Critical patent/JPS6028306A/ja
Priority to US06/634,907 priority patent/US4654585A/en
Publication of JPS6028306A publication Critical patent/JPS6028306A/ja
Publication of JPH0426065B2 publication Critical patent/JPH0426065B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G01R25/04—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Phase Differences (AREA)
JP58137214A 1983-07-27 1983-07-27 位相検波方法 Granted JPS6028306A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58137214A JPS6028306A (ja) 1983-07-27 1983-07-27 位相検波方法
US06/634,907 US4654585A (en) 1983-07-27 1984-07-26 Phase detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58137214A JPS6028306A (ja) 1983-07-27 1983-07-27 位相検波方法

Publications (2)

Publication Number Publication Date
JPS6028306A JPS6028306A (ja) 1985-02-13
JPH0426065B2 true JPH0426065B2 (US20100223739A1-20100909-C00005.png) 1992-05-06

Family

ID=15193453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58137214A Granted JPS6028306A (ja) 1983-07-27 1983-07-27 位相検波方法

Country Status (2)

Country Link
US (1) US4654585A (US20100223739A1-20100909-C00005.png)
JP (1) JPS6028306A (US20100223739A1-20100909-C00005.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62204166A (ja) * 1986-03-04 1987-09-08 Yokogawa Hewlett Packard Ltd ベクトル電圧比測定装置
GB2382878B (en) * 2001-12-04 2005-09-07 Adwel Internat Ltd A method and apparatus for testing laminated cores of electrical machines

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263372A (en) * 1975-10-31 1977-05-25 Hewlett Packard Yokogawa Vector voltage ratio measuring device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048566A (en) * 1976-01-05 1977-09-13 Motorola Inc. Suppressed carrier automatic gain control circuitry
US4196475A (en) * 1976-09-02 1980-04-01 Genrad, Inc. Method of and apparatus for automatic measurement of impedance or other parameters with microprocessor calculation techniques
JPS55101868A (en) * 1979-01-30 1980-08-04 Yokogawa Hewlett Packard Ltd Device for measuring vector voltage ratio
US4253118A (en) * 1979-07-02 1981-02-24 Zenith Radio Corporation Synchronous detection system
JPS56126769A (en) * 1980-03-11 1981-10-05 Yokogawa Hewlett Packard Ltd Impedance meter
US4459543A (en) * 1981-10-01 1984-07-10 Gould Inc. Automatic phase compensation circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263372A (en) * 1975-10-31 1977-05-25 Hewlett Packard Yokogawa Vector voltage ratio measuring device

Also Published As

Publication number Publication date
US4654585A (en) 1987-03-31
JPS6028306A (ja) 1985-02-13

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