TWI414801B - 電流檢測電路 - Google Patents
電流檢測電路 Download PDFInfo
- Publication number
- TWI414801B TWI414801B TW098138008A TW98138008A TWI414801B TW I414801 B TWI414801 B TW I414801B TW 098138008 A TW098138008 A TW 098138008A TW 98138008 A TW98138008 A TW 98138008A TW I414801 B TWI414801 B TW I414801B
- Authority
- TW
- Taiwan
- Prior art keywords
- circuit
- voltage
- current detecting
- resistor
- input
- Prior art date
Links
Classifications
-
- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- 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
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Power Conversion In General (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009011638A JP5422212B2 (ja) | 2009-01-22 | 2009-01-22 | 電流検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201028706A TW201028706A (en) | 2010-08-01 |
TWI414801B true TWI414801B (zh) | 2013-11-11 |
Family
ID=42355721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW098138008A TWI414801B (zh) | 2009-01-22 | 2009-11-10 | 電流檢測電路 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5422212B2 (ja) |
KR (1) | KR101374848B1 (ja) |
TW (1) | TWI414801B (ja) |
WO (1) | WO2010084652A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI658278B (zh) * | 2015-03-19 | 2019-05-01 | 日商艾普凌科有限公司 | Current detection circuit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101458983B1 (ko) * | 2013-04-29 | 2014-11-10 | 코원에너지서비스 주식회사 | 정류기 디지털 원격 감시제어회로 |
JP6796732B1 (ja) * | 2020-01-20 | 2020-12-09 | 日立ジョンソンコントロールズ空調株式会社 | 回路基板、回路および空気調和装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04351969A (ja) * | 1991-05-29 | 1992-12-07 | Fujitsu Ltd | 電流測定回路 |
JPH09243673A (ja) * | 1996-03-05 | 1997-09-19 | Nippon Telegr & Teleph Corp <Ntt> | 信号レベル検出回路 |
TW358887B (en) * | 1997-04-24 | 1999-05-21 | Sanyo Electric Co | Electric current detection circuit having an automatic offset correction circuit |
JP2002082139A (ja) * | 2000-09-05 | 2002-03-22 | Advantest Corp | 電源電圧監視回路 |
US6617838B1 (en) * | 2001-09-11 | 2003-09-09 | Analog Devices, Inc. | Current measurement circuit |
TW591234B (en) * | 2001-02-16 | 2004-06-11 | Fuji Electric Co Ltd | Current detector and overload current protective device using the same |
US6946828B1 (en) * | 2003-05-20 | 2005-09-20 | Ami Semiconductor, Inc. | Bi-directional current measurement circuit that uses a transconductance amplifier to generate a copy current |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58182317A (ja) * | 1982-04-19 | 1983-10-25 | Sony Corp | 比較回路 |
-
2009
- 2009-01-22 JP JP2009011638A patent/JP5422212B2/ja not_active Expired - Fee Related
- 2009-10-28 KR KR1020117016223A patent/KR101374848B1/ko not_active IP Right Cessation
- 2009-10-28 WO PCT/JP2009/068451 patent/WO2010084652A1/ja active Application Filing
- 2009-11-10 TW TW098138008A patent/TWI414801B/zh not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04351969A (ja) * | 1991-05-29 | 1992-12-07 | Fujitsu Ltd | 電流測定回路 |
JPH09243673A (ja) * | 1996-03-05 | 1997-09-19 | Nippon Telegr & Teleph Corp <Ntt> | 信号レベル検出回路 |
TW358887B (en) * | 1997-04-24 | 1999-05-21 | Sanyo Electric Co | Electric current detection circuit having an automatic offset correction circuit |
JP2002082139A (ja) * | 2000-09-05 | 2002-03-22 | Advantest Corp | 電源電圧監視回路 |
TW591234B (en) * | 2001-02-16 | 2004-06-11 | Fuji Electric Co Ltd | Current detector and overload current protective device using the same |
US6617838B1 (en) * | 2001-09-11 | 2003-09-09 | Analog Devices, Inc. | Current measurement circuit |
US6946828B1 (en) * | 2003-05-20 | 2005-09-20 | Ami Semiconductor, Inc. | Bi-directional current measurement circuit that uses a transconductance amplifier to generate a copy current |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI658278B (zh) * | 2015-03-19 | 2019-05-01 | 日商艾普凌科有限公司 | Current detection circuit |
Also Published As
Publication number | Publication date |
---|---|
JP2010172099A (ja) | 2010-08-05 |
JP5422212B2 (ja) | 2014-02-19 |
TW201028706A (en) | 2010-08-01 |
WO2010084652A1 (ja) | 2010-07-29 |
KR101374848B1 (ko) | 2014-03-18 |
KR20110099312A (ko) | 2011-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |