SE8502036D0 - Apparat och forfarande for att bestemma verdet av en kapacitans apparat och forfarande for att bestemma verdet av en kapacitans - Google Patents
Apparat och forfarande for att bestemma verdet av en kapacitans apparat och forfarande for att bestemma verdet av en kapacitansInfo
- Publication number
- SE8502036D0 SE8502036D0 SE8502036A SE8502036A SE8502036D0 SE 8502036 D0 SE8502036 D0 SE 8502036D0 SE 8502036 A SE8502036 A SE 8502036A SE 8502036 A SE8502036 A SE 8502036A SE 8502036 D0 SE8502036 D0 SE 8502036D0
- Authority
- SE
- Sweden
- Prior art keywords
- capacitor
- value
- determining
- time period
- procedure
- 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
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/532,017 US4558274A (en) | 1983-09-14 | 1983-09-14 | Apparatus and method determining the value of a capacitance |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8502036L SE8502036L (sv) | 1985-04-26 |
SE8502036D0 true SE8502036D0 (sv) | 1985-04-26 |
SE447511B SE447511B (sv) | 1986-11-17 |
Family
ID=24120057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8502036A SE447511B (sv) | 1983-09-14 | 1985-04-26 | Forfarande och krets for att bestemma en kondensators kapacitansverde |
Country Status (11)
Country | Link |
---|---|
US (1) | US4558274A (sv) |
EP (1) | EP0156811B1 (sv) |
JP (1) | JPS60502227A (sv) |
CA (1) | CA1222546A (sv) |
DE (1) | DE3490412T (sv) |
DK (1) | DK208585D0 (sv) |
GB (1) | GB2161280B (sv) |
NL (1) | NL8420187A (sv) |
NO (1) | NO851873L (sv) |
SE (1) | SE447511B (sv) |
WO (1) | WO1985001356A1 (sv) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2564205B1 (fr) * | 1984-05-10 | 1986-10-24 | Univ Rennes | Procede et dispositif pour le test rapide de condensateurs et de materiaux dielectriques |
US4794320A (en) * | 1987-08-10 | 1988-12-27 | Moore Products Co. | Multi-frequency capacitance sensor |
US5245294A (en) * | 1991-03-08 | 1993-09-14 | General Electric Company | Method for evaluating operability of filter components in power conversion system |
US5202640A (en) * | 1991-06-03 | 1993-04-13 | International Business Machines Corporation | Capacitance and leakage test method and apparatus |
DE4208399A1 (de) * | 1992-03-16 | 1993-09-23 | Knorr Bremse Ag | Verfahren und messvorrichtung zur messung der zeitkonstanten eines elektrischen wegaufnehmers |
WO1994006002A1 (en) * | 1992-09-10 | 1994-03-17 | David Sarnoff Research Center, Inc. | Capacitive sensor and method of measuring changes in capacitance |
US5585733A (en) * | 1992-09-10 | 1996-12-17 | David Sarnoff Research Center | Capacitive sensor and method of measuring changes in capacitance |
US5461321A (en) * | 1993-09-17 | 1995-10-24 | Penberthy, Inc. | Apparatus and method for measuring capacitance from the duration of a charge-discharge charge cycle |
US5576628A (en) * | 1994-09-30 | 1996-11-19 | Telcom Semiconductor, Inc. | Method and apparatus to measure capacitance |
US5663506A (en) * | 1995-08-21 | 1997-09-02 | Moore Products Co. | Capacitive temperature and pressure transducer |
US5730165A (en) * | 1995-12-26 | 1998-03-24 | Philipp; Harald | Time domain capacitive field detector |
US5945831A (en) * | 1997-06-10 | 1999-08-31 | Sargent; John S. | Volume charge density measuring system |
ES2245362T3 (es) | 2000-04-14 | 2006-01-01 | Robertshaw Controls Company | Circuito y sistema para la medida del nivel de la capacidad. |
US6661410B2 (en) * | 2001-09-07 | 2003-12-09 | Microsoft Corporation | Capacitive sensing and data input device power management |
US6703599B1 (en) * | 2002-01-30 | 2004-03-09 | Microsoft Corporation | Proximity sensor with adaptive threshold |
US6954867B2 (en) | 2002-07-26 | 2005-10-11 | Microsoft Corporation | Capacitive sensing employing a repeatable offset charge |
US7472028B2 (en) * | 2004-06-25 | 2008-12-30 | Kele Inc. | Sensor or capacitance measuring with a microprocessor |
FR2885416B1 (fr) * | 2005-05-07 | 2016-06-10 | Acam Messelectronic Gmbh | Procede et dispositif de mesure de capacites. |
DE102006020301B4 (de) * | 2005-05-07 | 2014-07-31 | Acam-Messelectronic Gmbh | Verfahren und Vorrichtung zum Messen von Kapazitäten |
US7312616B2 (en) | 2006-01-20 | 2007-12-25 | Cypress Semiconductor Corporation | Successive approximate capacitance measurement circuit |
US8547114B2 (en) | 2006-11-14 | 2013-10-01 | Cypress Semiconductor Corporation | Capacitance to code converter with sigma-delta modulator |
KR100834743B1 (ko) * | 2006-12-21 | 2008-06-05 | 삼성전자주식회사 | 커패시턴스 측정 회로 및 그에 따른 커패시턴스 측정 방법 |
US9500686B1 (en) | 2007-06-29 | 2016-11-22 | Cypress Semiconductor Corporation | Capacitance measurement system and methods |
US7804307B1 (en) * | 2007-06-29 | 2010-09-28 | Cypress Semiconductor Corporation | Capacitance measurement systems and methods |
US8089289B1 (en) | 2007-07-03 | 2012-01-03 | Cypress Semiconductor Corporation | Capacitive field sensor with sigma-delta modulator |
US8169238B1 (en) | 2007-07-03 | 2012-05-01 | Cypress Semiconductor Corporation | Capacitance to frequency converter |
US8570053B1 (en) | 2007-07-03 | 2013-10-29 | Cypress Semiconductor Corporation | Capacitive field sensor with sigma-delta modulator |
US8525798B2 (en) | 2008-01-28 | 2013-09-03 | Cypress Semiconductor Corporation | Touch sensing |
US8358142B2 (en) | 2008-02-27 | 2013-01-22 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
US8319505B1 (en) | 2008-10-24 | 2012-11-27 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
US9104273B1 (en) | 2008-02-29 | 2015-08-11 | Cypress Semiconductor Corporation | Multi-touch sensing method |
US8321174B1 (en) | 2008-09-26 | 2012-11-27 | Cypress Semiconductor Corporation | System and method to measure capacitance of capacitive sensor array |
DE102013212965A1 (de) | 2013-07-03 | 2015-01-08 | Volkswagen Aktiengesellschaft | Batterieladungsausgleichsvorrichtung, Batteriemanagementsystem und Verfahren zum Ladungsausgleich |
JP7311380B2 (ja) * | 2019-10-01 | 2023-07-19 | 株式会社日立産機システム | 電源コンデンサ静電容量測定装置及び電源コンデンサ静電容量測定方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2134112B1 (sv) * | 1971-04-20 | 1974-03-22 | Sodern | |
JPS539542B2 (sv) * | 1972-09-21 | 1978-04-06 | ||
US4065715A (en) * | 1975-12-18 | 1977-12-27 | General Motors Corporation | Pulse duration modulated signal transducer |
GB2006970B (en) * | 1977-09-23 | 1982-03-31 | Testut Aequitas | Capacitance measuring device |
US4282480A (en) * | 1978-05-02 | 1981-08-04 | Matsushita Electric Industrial Co., Ltd. | Apparatus for humidity detection |
US4492916A (en) * | 1979-07-20 | 1985-01-08 | Johnson Benjamin A | Digital meter using calculator components |
US4227419A (en) * | 1979-09-04 | 1980-10-14 | Kavlico Corporation | Capacitive pressure transducer |
DE3050519C2 (de) * | 1980-12-18 | 1984-02-16 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und Schaltungsanordnung zur Bestimmung des Wertes der Kapazität eines Meßobjektes |
-
1983
- 1983-09-14 US US06/532,017 patent/US4558274A/en not_active Expired - Fee Related
-
1984
- 1984-06-19 EP EP84902641A patent/EP0156811B1/en not_active Expired
- 1984-06-19 WO PCT/US1984/000934 patent/WO1985001356A1/en active IP Right Grant
- 1984-06-19 DE DE19843490412 patent/DE3490412T/de not_active Ceased
- 1984-06-19 JP JP59502599A patent/JPS60502227A/ja active Pending
- 1984-06-19 NL NL8420187A patent/NL8420187A/nl not_active Application Discontinuation
- 1984-06-19 GB GB08506391A patent/GB2161280B/en not_active Expired
- 1984-08-21 CA CA000461460A patent/CA1222546A/en not_active Expired
-
1985
- 1985-04-26 SE SE8502036A patent/SE447511B/sv not_active IP Right Cessation
- 1985-05-10 NO NO851873A patent/NO851873L/no unknown
- 1985-05-10 DK DK208585A patent/DK208585D0/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL8420187A (nl) | 1985-07-01 |
DE3490412T (de) | 1985-09-05 |
EP0156811B1 (en) | 1987-11-19 |
WO1985001356A1 (en) | 1985-03-28 |
DK208585A (da) | 1985-05-10 |
GB2161280A (en) | 1986-01-08 |
CA1222546A (en) | 1987-06-02 |
SE8502036L (sv) | 1985-04-26 |
JPS60502227A (ja) | 1985-12-19 |
US4558274A (en) | 1985-12-10 |
SE447511B (sv) | 1986-11-17 |
EP0156811A1 (en) | 1985-10-09 |
DK208585D0 (da) | 1985-05-10 |
GB8506391D0 (en) | 1985-04-11 |
GB2161280B (en) | 1987-08-26 |
NO851873L (no) | 1985-05-10 |
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Legal Events
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NUG | Patent has lapsed |
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