HK1107615A1 - High accuracy zero crossing detector and method therefor - Google Patents
High accuracy zero crossing detector and method thereforInfo
- Publication number
- HK1107615A1 HK1107615A1 HK07113016.6A HK07113016A HK1107615A1 HK 1107615 A1 HK1107615 A1 HK 1107615A1 HK 07113016 A HK07113016 A HK 07113016A HK 1107615 A1 HK1107615 A1 HK 1107615A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- high accuracy
- zero crossing
- method therefor
- crossing detector
- accuracy zero
- 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
- G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dc-Dc Converters (AREA)
- Measurement Of Current Or Voltage (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2004/034507 WO2006043949A1 (en) | 2004-10-20 | 2004-10-20 | High accuracy zero crossing detector and method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1107615A1 true HK1107615A1 (en) | 2008-04-11 |
Family
ID=34959285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK07113016.6A HK1107615A1 (en) | 2004-10-20 | 2007-11-29 | High accuracy zero crossing detector and method therefor |
Country Status (5)
Country | Link |
---|---|
US (1) | US7535265B2 (xx) |
CN (1) | CN101044679B (xx) |
HK (1) | HK1107615A1 (xx) |
TW (1) | TWI359566B (xx) |
WO (1) | WO2006043949A1 (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100858313B1 (ko) | 2007-01-05 | 2008-09-11 | (주)위더스비젼 | 제로 크로스 검출기 및 오디오 장치의 뮤트 신호 발생기 |
US7928719B2 (en) * | 2008-01-07 | 2011-04-19 | Shenzhen Sts Microelectronics Co., Ltd. | Zero current detector for a DC-DC converter |
KR101434604B1 (ko) * | 2008-03-03 | 2014-08-26 | 삼성전자주식회사 | 제로 전류 스위칭을 이용한 바이어스 모듈레이터 장치 및 방법 |
US8306171B2 (en) * | 2009-04-15 | 2012-11-06 | General Electric Company | Method and system for bit detection and synchronization |
CN101871965B (zh) * | 2010-06-11 | 2012-01-04 | 威胜集团有限公司 | 电力正弦信号过零时间、频率、相位差的检测方法 |
TWI550281B (zh) * | 2013-09-26 | 2016-09-21 | 天鈺科技股份有限公司 | 零電流偵測電路及直流轉換器 |
TWI550280B (zh) * | 2013-09-26 | 2016-09-21 | 天鈺科技股份有限公司 | 零電流偵測電路及直流轉換器 |
JP2015142273A (ja) * | 2014-01-29 | 2015-08-03 | 株式会社東芝 | 信号処理回路及びa/d変換器 |
CN103929048B (zh) * | 2014-04-29 | 2016-04-20 | 中国科学院上海微系统与信息技术研究所 | 一种开关电源的过零检测电路 |
JP6581615B2 (ja) * | 2016-05-20 | 2019-09-25 | エイブリック株式会社 | ゼロクロス検出回路およびセンサ装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57115022A (en) * | 1981-01-08 | 1982-07-17 | Fuji Xerox Co Ltd | Detecting circuit for zero cross point |
US4578646A (en) * | 1984-02-08 | 1986-03-25 | Hitachi, Ltd | Integral-type small signal input circuit |
JP2685050B2 (ja) * | 1986-06-11 | 1997-12-03 | 富士通株式会社 | コンパレータ回路 |
US4808942A (en) * | 1988-04-04 | 1989-02-28 | General Electric Company | Continuous mode auto-zero offset amplifier or integrator |
US5001364A (en) * | 1989-12-11 | 1991-03-19 | Motorola, Inc. | Threshold crossing detector |
TW303548B (xx) * | 1993-06-07 | 1997-04-21 | Ibm | |
DE69320630T2 (de) * | 1993-09-14 | 1999-01-14 | Sgs-Thomson Microelectronics S.R.L., Agrate Brianza, Mailand/Milano | Offset-Verminderung in einer Nulldetektorschaltung |
IT1318856B1 (it) * | 2000-09-14 | 2003-09-10 | St Microelectronics Srl | Circuito di rilevamento del passaggio per lo zero della corrente. |
-
2004
- 2004-10-20 US US11/573,152 patent/US7535265B2/en not_active Expired - Lifetime
- 2004-10-20 WO PCT/US2004/034507 patent/WO2006043949A1/en active Application Filing
- 2004-10-20 CN CN200480044268XA patent/CN101044679B/zh not_active Expired - Fee Related
-
2005
- 2005-09-19 TW TW094132369A patent/TWI359566B/zh not_active IP Right Cessation
-
2007
- 2007-11-29 HK HK07113016.6A patent/HK1107615A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN101044679A (zh) | 2007-09-26 |
US20080164914A1 (en) | 2008-07-10 |
TWI359566B (en) | 2012-03-01 |
WO2006043949A1 (en) | 2006-04-27 |
CN101044679B (zh) | 2012-04-18 |
TW200623639A (en) | 2006-07-01 |
US7535265B2 (en) | 2009-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20201022 |