DK226879A - Kredsloeb til impedansmaaling - Google Patents
Kredsloeb til impedansmaalingInfo
- Publication number
- DK226879A DK226879A DK226879A DK226879A DK226879A DK 226879 A DK226879 A DK 226879A DK 226879 A DK226879 A DK 226879A DK 226879 A DK226879 A DK 226879A DK 226879 A DK226879 A DK 226879A
- Authority
- DK
- Denmark
- Prior art keywords
- measurement circuit
- impedance measurement
- impedance
- circuit
- measurement
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/911,367 US4242631A (en) | 1978-06-01 | 1978-06-01 | Front-end circuit apparatus for impedance measurements and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
DK226879A true DK226879A (da) | 1979-12-02 |
Family
ID=25430135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK226879A DK226879A (da) | 1978-06-01 | 1979-05-31 | Kredsloeb til impedansmaaling |
Country Status (8)
Country | Link |
---|---|
US (1) | US4242631A (da) |
JP (1) | JPS5533687A (da) |
CA (1) | CA1133061A (da) |
DE (1) | DE2922498A1 (da) |
DK (1) | DK226879A (da) |
FR (1) | FR2427608A1 (da) |
GB (1) | GB2022271B (da) |
IT (1) | IT7949241A0 (da) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE35264E (en) * | 1981-05-04 | 1996-06-04 | Dentsply Research & Development Corp. | Dental adhesive system |
DE3276681D1 (en) * | 1981-05-04 | 1987-08-13 | Dentsply Int Inc | Dental adhesive system |
US4546441A (en) * | 1982-07-22 | 1985-10-08 | John Burch | Method and apparatus for time based measurement of impedance |
US4548689A (en) * | 1983-09-28 | 1985-10-22 | Mitsui Petrochemical Industries, Ltd. | Photocurable resin composition |
USRE35135E (en) * | 1983-09-28 | 1995-12-26 | Mitsui Petrochemical Industries, Ltd. | Photocurable resin composition |
US4808914A (en) * | 1985-10-17 | 1989-02-28 | Harris Corporation | Resistance measuring ohms converter circuit employing a constant current source |
JPH0646202B2 (ja) * | 1987-02-20 | 1994-06-15 | 清次郎 野坂 | 直読精密デイジタル容量計 |
DE3812633A1 (de) * | 1988-04-15 | 1989-10-26 | Daimler Benz Ag | Verfahren zur kontaktlosen widerstandsmessung |
US5030919A (en) * | 1990-06-04 | 1991-07-09 | G&E Test Technologies, Inc. | Zero impedance switch |
EP0503896B1 (en) * | 1991-03-12 | 1999-01-07 | Kuraray Co., Ltd. | Spiroorthocarbonate compound and polymers obtained therefrom |
US5278512A (en) * | 1992-05-15 | 1994-01-11 | Richard Goldstein | Apparatus and method for continuously monitoring grounding conductor resistance in power distribution systems |
DE4237196C1 (de) * | 1992-11-04 | 1994-02-10 | Vega Grieshaber Gmbh & Co | Verfahren und Anordnung zur Messung zumindest einer Kapazität |
DE19817722C2 (de) | 1998-04-21 | 2003-02-27 | Grieshaber Vega Kg | Verfahren und Anordnung zur Auswertung der Admittanz einer variablen Messkapazität |
US6198295B1 (en) | 1999-01-06 | 2001-03-06 | Honeywell Inc. | Apparatus and method for detecting electrical resistance change in connectors to a remote mounted sensor |
JP4112860B2 (ja) | 1999-12-17 | 2008-07-02 | ショット アクチエンゲゼルシャフト | 乗員の拘束システムの誘導作動式点火カプセルおよび点火カプセル用のテスト回路 |
US6486679B1 (en) * | 2002-01-21 | 2002-11-26 | Kenneth David Holt | Wide-band ratiometric radio frequency bridge |
DE10300539B4 (de) * | 2003-01-09 | 2007-05-24 | Daimlerchrysler Ag | Schaltung und Verfahren zur Erfassung von Isolationsfehlern |
CN100543483C (zh) * | 2006-07-05 | 2009-09-23 | 鸿富锦精密工业(深圳)有限公司 | 螺线管测试装置 |
US8885814B2 (en) * | 2006-07-25 | 2014-11-11 | Broadcom Europe Limited | Feedback impedance control for driving a signal |
NL1033148C2 (nl) * | 2006-12-29 | 2008-07-01 | Univ Delft Tech | Elektrische meetinrichting, werkwijze en computer programma product. |
DE102009006970A1 (de) * | 2009-02-02 | 2010-08-05 | Siemens Aktiengesellschaft | Potentialgetrennte Funktionsprüfung für Bauelemente |
DE102016112201A1 (de) | 2016-07-04 | 2018-01-04 | Endress+Hauser Conducta Gmbh+Co. Kg | Verfahren zur Fehlererkennung einer elektrischen Schaltung und elektrischen Schaltung |
DE102019100807B3 (de) | 2019-01-14 | 2020-06-25 | Lisa Dräxlmaier GmbH | Prüfvorrichtung und Prüfverfahren zur Bestimmung elektrischer Parameter eines Leitungssatzes |
CN118091521B (zh) * | 2024-04-22 | 2024-07-19 | 中国测试技术研究院 | 一种大型接地网阻抗测试仪模拟检定电路及方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE892308C (de) * | 1944-02-29 | 1953-10-05 | Aeg | Schaltungsanordnung zur selbsttaetigen Anzeige der Groesse von Wechselstromwiderstaenden nach Betrag und Phase |
US2479051A (en) * | 1945-04-12 | 1949-08-16 | Philco Corp | Alternating current type limit bridge |
US2593175A (en) * | 1947-07-08 | 1952-04-15 | Technology Instr Corp | Electric method and system for measuring impedance magnitude and phase angle |
US2589758A (en) * | 1948-07-22 | 1952-03-18 | Western Electric Co | Method and apparatus for making electrical measurements |
US3031614A (en) * | 1958-01-10 | 1962-04-24 | Wayne Kerr Lab Ltd | Electrical measuring bridges |
US3027511A (en) * | 1958-10-10 | 1962-03-27 | Harris Transducer Corp | Vector bridge |
US3422347A (en) * | 1964-10-06 | 1969-01-14 | Canadian Patents Dev | Comparator circuit having a hall generator for measurement of d.c. magnetic fields |
JPS4837625B1 (da) * | 1968-01-05 | 1973-11-12 | ||
US3718856A (en) * | 1970-12-02 | 1973-02-27 | Teradyne Inc | Inductance and capacitance reactance measuring instrument having minimal inclusion of stray reactances |
US3784906A (en) * | 1971-11-01 | 1974-01-08 | Biddle Co J | Bridge having multiple nulls |
US3786350A (en) * | 1972-08-21 | 1974-01-15 | Weston Instruments Inc | Linear input ohmmeter |
DE2314754C2 (de) * | 1973-03-24 | 1979-02-08 | Hottinger Baldwin Messtechnik Gmbh, 6100 Darmstadt | Elektrische Vielstellen-Meßeinrichtung |
-
1978
- 1978-06-01 US US05/911,367 patent/US4242631A/en not_active Expired - Lifetime
-
1979
- 1979-05-04 CA CA326,967A patent/CA1133061A/en not_active Expired
- 1979-05-18 GB GB7917332A patent/GB2022271B/en not_active Expired
- 1979-05-25 JP JP6488979A patent/JPS5533687A/ja active Pending
- 1979-05-30 IT IT7949241A patent/IT7949241A0/it unknown
- 1979-05-31 DE DE19792922498 patent/DE2922498A1/de not_active Ceased
- 1979-05-31 FR FR7913963A patent/FR2427608A1/fr active Granted
- 1979-05-31 DK DK226879A patent/DK226879A/da unknown
Also Published As
Publication number | Publication date |
---|---|
US4242631A (en) | 1980-12-30 |
CA1133061A (en) | 1982-10-05 |
FR2427608A1 (fr) | 1979-12-28 |
DE2922498A1 (de) | 1980-01-24 |
FR2427608B1 (da) | 1985-03-01 |
IT7949241A0 (it) | 1979-05-30 |
GB2022271B (en) | 1982-11-17 |
GB2022271A (en) | 1979-12-12 |
JPS5533687A (en) | 1980-03-08 |
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