JPS5415784A - Phase detecting method - Google Patents

Phase detecting method

Info

Publication number
JPS5415784A
JPS5415784A JP7477077A JP7477077A JPS5415784A JP S5415784 A JPS5415784 A JP S5415784A JP 7477077 A JP7477077 A JP 7477077A JP 7477077 A JP7477077 A JP 7477077A JP S5415784 A JPS5415784 A JP S5415784A
Authority
JP
Japan
Prior art keywords
detecting method
phase detecting
quantity associated
specified
obtianing
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
JP7477077A
Other languages
Japanese (ja)
Inventor
Eijiro Iharaki
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP7477077A priority Critical patent/JPS5415784A/en
Publication of JPS5415784A publication Critical patent/JPS5415784A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Phase Differences (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To detect the quantity associated to AC analog quantity at a high speed by obtianing the quantity associated to phases based on specified formulas by the sample values of each time sampled at specified intervals and the sample value of the previous time, etc.
COPYRIGHT: (C)1979,JPO&Japio
JP7477077A 1977-06-23 1977-06-23 Phase detecting method Pending JPS5415784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7477077A JPS5415784A (en) 1977-06-23 1977-06-23 Phase detecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7477077A JPS5415784A (en) 1977-06-23 1977-06-23 Phase detecting method

Publications (1)

Publication Number Publication Date
JPS5415784A true JPS5415784A (en) 1979-02-05

Family

ID=13556845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7477077A Pending JPS5415784A (en) 1977-06-23 1977-06-23 Phase detecting method

Country Status (1)

Country Link
JP (1) JPS5415784A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033062A (en) * 1983-08-03 1985-02-20 Japanese National Railways<Jnr> Phase detector
EP0186521A2 (en) * 1984-12-25 1986-07-02 Victor Company Of Japan, Limited Digital phase difference detecting circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841238A (en) * 1971-09-27 1973-06-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841238A (en) * 1971-09-27 1973-06-16

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033062A (en) * 1983-08-03 1985-02-20 Japanese National Railways<Jnr> Phase detector
JPH0471186B2 (en) * 1983-08-03 1992-11-13 Hitachi Seisakusho Kk
EP0186521A2 (en) * 1984-12-25 1986-07-02 Victor Company Of Japan, Limited Digital phase difference detecting circuit

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