TW258790B - - Google Patents
Info
- Publication number
- TW258790B TW258790B TW083100165A TW83100165A TW258790B TW 258790 B TW258790 B TW 258790B TW 083100165 A TW083100165 A TW 083100165A TW 83100165 A TW83100165 A TW 83100165A TW 258790 B TW258790 B TW 258790B
- Authority
- TW
- Taiwan
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/025—Current limitation using field effect transistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/057,521 US5418450A (en) | 1993-05-03 | 1993-05-03 | Coupling circuit for a measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW258790B true TW258790B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-10-01 |
Family
ID=22011089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW083100165A TW258790B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-05-03 | 1994-01-11 |
Country Status (6)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909660A (en) * | 1994-10-13 | 1999-06-01 | National Instruments Corporation | Signal conditioning module for sensing multiform field voltage signals |
| US6031368A (en) * | 1996-09-12 | 2000-02-29 | S&C Electric Company | Sensing apparatus for cable termination devices in power distribution systems |
| DE19725870A1 (de) * | 1997-06-18 | 1999-01-07 | Siemens Ag | Begrenzerschaltung für Wechselströme |
| US6356027B1 (en) * | 1999-05-07 | 2002-03-12 | Philips Electronics North America Corporation | 0-10V dimming interface protection circuit |
| US6278596B1 (en) * | 1999-06-17 | 2001-08-21 | Tektronix, Inc. | Active ground fault disconnect |
| US7255476B2 (en) * | 2004-04-14 | 2007-08-14 | International Business Machines Corporation | On chip temperature measuring and monitoring circuit and method |
| JP4543973B2 (ja) * | 2005-03-08 | 2010-09-15 | 富士電機機器制御株式会社 | ＡＳ−ｉ用スレーブの過負荷・短絡保護回路 |
| US7854549B2 (en) * | 2007-06-29 | 2010-12-21 | Fluke Corporation | Systems and methods for dissipating heat generated during an electrical measurement |
| US7990162B2 (en) | 2007-08-14 | 2011-08-02 | Fluke Corporation | Systems and methods for an open circuit current limiter |
| KR100792765B1 (ko) | 2007-09-28 | 2008-01-11 | 주식회사 뉴인스 | 루프전류 동작 온습도 계측기 |
| TWM382449U (en) * | 2010-01-08 | 2010-06-11 | Ying-Chia Chen | Package of constant-current chip and light-emitting diode lamp drived by alternating current |
| CN103713197A (zh) * | 2012-09-29 | 2014-04-09 | 丹纳赫（上海）工业仪器技术研发有限公司 | 电池测试仪 |
| US11359898B2 (en) | 2018-03-19 | 2022-06-14 | Geodynamics, Inc. | Current feed-through wireline release tool and method |
| CN110596449B (zh) * | 2019-09-05 | 2021-09-10 | 深圳市依崇微电子科技有限公司 | 基于原边反馈反激式变换器的膝点电压采样系统及其方法 |
| CN114325043B (zh) * | 2021-12-16 | 2023-10-17 | 华人运通(江苏)技术有限公司 | 一种提高小电流测试精度的系统及测试方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3369129A (en) * | 1966-03-29 | 1968-02-13 | Ibm | Current limiter employing field effect devices |
| US3488573A (en) * | 1967-02-27 | 1970-01-06 | Weston Instruments Inc | Overload protection for thermally sensitive load device |
| US3611242A (en) * | 1969-11-07 | 1971-10-05 | Texas Instruments Inc | Overload protection apparatus |
| JPS5421535B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-10-09 | 1979-07-31 | ||
| JPS545599B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-05-08 | 1979-03-19 | ||
| US3976854A (en) * | 1974-07-31 | 1976-08-24 | Matsushita Electric Industrial Co., Ltd. | Constant-temperature heater |
| US4200898A (en) * | 1978-06-19 | 1980-04-29 | The United States Of America As Represented By The Secretary Of The Navy | Current limiter |
| JPS57191563A (en) * | 1981-05-21 | 1982-11-25 | Shiojiri Kogyo Kk | Digital clamping meter |
| US4533970A (en) * | 1983-06-27 | 1985-08-06 | Motorola, Inc. | Series current limiter |
| US4467310A (en) * | 1983-10-03 | 1984-08-21 | Northern Telecom Limited | Telephone subscriber line battery feed resistor arrangements |
| US4990987A (en) * | 1986-12-18 | 1991-02-05 | Gte Products Corporation | Over-temperature sensor and protector for semiconductor devices |
| EP0353166A3 (en) * | 1988-07-25 | 1991-04-10 | John Fluke Mfg. Co., Inc. | Overvoltage protection circuit |
| DE4022253A1 (de) * | 1990-07-11 | 1992-01-16 | Krone Ag | Strombegrenzungsschaltung |
| US5146150A (en) * | 1990-08-06 | 1992-09-08 | Motorola, Inc. | Safe battery cell interconnects |
| US5196980A (en) * | 1991-01-28 | 1993-03-23 | John Fluke Mfg. Co., Inc. | Low impedance, high voltage protection circuit |
-
1993
- 1993-05-03 US US08/057,521 patent/US5418450A/en not_active Expired - Lifetime
- 1993-12-29 EP EP93310598A patent/EP0623984B1/en not_active Expired - Lifetime
- 1993-12-29 DE DE69312264T patent/DE69312264T2/de not_active Expired - Fee Related
-
1994
- 1994-01-11 TW TW083100165A patent/TW258790B/zh not_active IP Right Cessation
- 1994-01-12 KR KR1019940000396A patent/KR100300842B1/ko not_active Expired - Fee Related
- 1994-02-04 JP JP6033189A patent/JP2589270B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07234251A (ja) | 1995-09-05 |
| JP2589270B2 (ja) | 1997-03-12 |
| US5418450A (en) | 1995-05-23 |
| DE69312264T2 (de) | 1997-11-06 |
| EP0623984A1 (en) | 1994-11-09 |
| KR100300842B1 (ko) | 2001-10-22 |
| EP0623984B1 (en) | 1997-07-16 |
| DE69312264D1 (de) | 1997-08-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |