KR890004720B1 - 디지탈 위상차 검출회로 - Google Patents
디지탈 위상차 검출회로 Download PDFInfo
- Publication number
- KR890004720B1 KR890004720B1 KR1019850008579A KR850008579A KR890004720B1 KR 890004720 B1 KR890004720 B1 KR 890004720B1 KR 1019850008579 A KR1019850008579 A KR 1019850008579A KR 850008579 A KR850008579 A KR 850008579A KR 890004720 B1 KR890004720 B1 KR 890004720B1
- Authority
- KR
- South Korea
- Prior art keywords
- phase
- signal
- phase difference
- rom
- output signal
- Prior art date
Links
Images
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Phase Differences (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (2)
- 일정한 표본화주기로 표본화된 입력신호의 위상을 90°또는 -90°이상하는 이상기와, 그 이상기의 출력신호와 입력신호를 제산을 행하는 제산기와, 그 제산기의 출력신호에 역삼각계수연산을 행하는 역삼각계수 연산기와, 그 역삼각계수연산기의 출력신호와 위상차를 취하는 감산기로 이루어진 것을 특징으로 하는 위상차 검출회로.
- 제 1 항에 있어서, 상기 이상기, 제산기, 역삼각계수연산기. 감산기는 ROM에 의한 계수 테이블을 사용하여 이루어진 디지탈 위상차 검출회로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59281703A JPS61151473A (ja) | 1984-12-25 | 1984-12-25 | デジタル位相差検出回路 |
JP281703 | 1984-12-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860005227A KR860005227A (ko) | 1986-07-18 |
KR890004720B1 true KR890004720B1 (ko) | 1989-11-25 |
Family
ID=17642800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850008579A KR890004720B1 (ko) | 1984-12-25 | 1985-11-16 | 디지탈 위상차 검출회로 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS61151473A (ko) |
KR (1) | KR890004720B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5185657A (en) * | 1989-04-26 | 1993-02-09 | Victor Company Of Japan, Ltd. | Color signal processing circuit with residual phase error correction |
US5130787A (en) * | 1989-04-26 | 1992-07-14 | Victor Company Of Japan, Ltd. | Color signal processing circuit with residue phase error correction |
JP2009014432A (ja) * | 2007-07-03 | 2009-01-22 | Campus Create Co Ltd | 振幅・位相検出装置及びこれを用いた計測システム並びに振幅・位相検出方法 |
CN111443260A (zh) * | 2020-04-24 | 2020-07-24 | 国网山西省电力公司吕梁供电公司 | 一种电网相位差检测方法及系统 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5149230B2 (ko) * | 1971-09-27 | 1976-12-25 | ||
FR2510264A1 (fr) * | 1981-07-24 | 1983-01-28 | Thomson Csf | Dispositif de mesure de l'angle de phase entre un signal sinusoidal et un signal logique periodique de meme frequence |
-
1984
- 1984-12-25 JP JP59281703A patent/JPS61151473A/ja active Pending
-
1985
- 1985-11-16 KR KR1019850008579A patent/KR890004720B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS61151473A (ja) | 1986-07-10 |
KR860005227A (ko) | 1986-07-18 |
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Date | Code | Title | Description |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19851116 |
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G160 | Decision to publish patent application | ||
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Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19891026 |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19900220 |
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