ATE329411T1 - Codierer-selbstkalibrationsvorrichtung und - verfahren - Google Patents
Codierer-selbstkalibrationsvorrichtung und - verfahrenInfo
- Publication number
- ATE329411T1 ATE329411T1 AT02784342T AT02784342T ATE329411T1 AT E329411 T1 ATE329411 T1 AT E329411T1 AT 02784342 T AT02784342 T AT 02784342T AT 02784342 T AT02784342 T AT 02784342T AT E329411 T1 ATE329411 T1 AT E329411T1
- Authority
- AT
- Austria
- Prior art keywords
- phase
- circuit
- coefficients
- offset
- signals
- Prior art date
Links
- 230000007423 decrease Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
- G01D18/001—Calibrating encoders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24428—Error prevention
- G01D5/24433—Error prevention by mechanical means
- G01D5/24442—Error prevention by mechanical means by mounting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24457—Failure detection
- G01D5/24461—Failure detection by redundancy or plausibility
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/2448—Correction of gain, threshold, offset or phase control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/2449—Error correction using hard-stored calibration data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
- G08B13/1961—Movement detection not involving frame subtraction, e.g. motion detection on the basis of luminance changes in the image
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19678—User interface
- G08B13/19691—Signalling events for better perception by user, e.g. indicating alarms by making display brighter, adding text, creating a sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33603801P | 2001-11-02 | 2001-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE329411T1 true ATE329411T1 (de) | 2006-06-15 |
Family
ID=23314298
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT06115045T ATE401244T1 (de) | 2001-11-02 | 2002-10-23 | Codierer-selbstkalibrationsvorrichtung und - verfahren |
AT02784342T ATE329411T1 (de) | 2001-11-02 | 2002-10-31 | Codierer-selbstkalibrationsvorrichtung und - verfahren |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT06115045T ATE401244T1 (de) | 2001-11-02 | 2002-10-23 | Codierer-selbstkalibrationsvorrichtung und - verfahren |
Country Status (9)
Country | Link |
---|---|
US (3) | US6897435B2 (de) |
EP (2) | EP1712467B1 (de) |
JP (1) | JP2005533240A (de) |
CN (1) | CN100438339C (de) |
AT (2) | ATE401244T1 (de) |
AU (1) | AU2002348124A1 (de) |
CA (1) | CA2466064A1 (de) |
DE (2) | DE60227721D1 (de) |
WO (1) | WO2003055077A2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6757635B2 (en) * | 2001-12-12 | 2004-06-29 | Balluff, Inc. | Programmed method and apparatus for quadrature output sensors |
US7126109B2 (en) | 2004-06-14 | 2006-10-24 | Gsi Group Corporation | Encoder scale error compensation employing comparison among multiple detectors |
US20080052033A1 (en) * | 2004-08-12 | 2008-02-28 | University Of Virginia Patent Foundation | Method, Apparatus and Computer Program Product of Aliasing Discriminator for Encoder Interfaces |
JP4768248B2 (ja) * | 2004-10-13 | 2011-09-07 | 株式会社ミツトヨ | エンコーダ出力信号補正装置及び方法 |
US20060271321A1 (en) * | 2005-05-24 | 2006-11-30 | Visteon Global Technologies, Inc. | Initiating calibration mode of electronic control module |
JP4119460B2 (ja) * | 2006-06-21 | 2008-07-16 | ファナック株式会社 | エンコーダの出力信号の振幅算出装置及びエンコーダの出力信号の振幅算出プログラム |
US7852969B2 (en) * | 2007-07-30 | 2010-12-14 | Mitutoyo Corporation | System and method for dynamic calibration of a quadrature encoder |
CN102007378B (zh) * | 2008-08-28 | 2013-10-16 | 法罗技术股份有限公司 | 带索引的光学编码器、用于索引光学编码器的方法以及用于动态调整光学编码器中的增益和偏移的方法 |
DE102008050540B4 (de) * | 2008-10-06 | 2015-08-06 | Institut für Mikroelektronik- und Mechatronik-Systeme gGmbH | Anordnung zum Verarbeiten eines analogen Sensorausgangssignals mindestens eines optischen Sensors |
WO2010138155A2 (en) * | 2009-05-27 | 2010-12-02 | Active Precision, Inc. | Encoder interpolator with enhanced precision |
KR101051272B1 (ko) * | 2009-12-23 | 2011-07-22 | 주식회사 우진 | 디지털 지시계의 특수 스케일 교정장치 및 그 방법 |
JP5484980B2 (ja) * | 2010-03-24 | 2014-05-07 | 株式会社ミツトヨ | 光学式エンコーダ |
GB201110039D0 (en) | 2011-06-15 | 2011-07-27 | Trw Ltd | Measurement of motor rotor position or speed |
WO2013134255A1 (en) * | 2012-03-05 | 2013-09-12 | Gsi Group Corporation | Phase estimation method and apparatus therefor |
US20160169716A1 (en) * | 2014-12-15 | 2016-06-16 | General Electric Company | System and method for on-site measurement apparatus calibration |
WO2016171931A1 (en) | 2015-04-22 | 2016-10-27 | Faro Technologies, Inc. | Indexed optical encoder |
CN105302006B (zh) * | 2015-11-27 | 2017-10-27 | 中国航空工业集团公司北京长城计量测试技术研究所 | 一种脉冲信号发生器的自动校准过程控制装置及控制方法 |
EP3260977B1 (de) * | 2016-06-21 | 2019-02-20 | Stichting IMEC Nederland | Schaltung und verfahren zur verarbeitung von daten |
JP6987121B2 (ja) | 2016-07-21 | 2021-12-22 | シーメンス・ヘルスケア・ダイアグノスティックス・インコーポレーテッドSiemens Healthcare Diagnostics Inc. | 測光キュベットマッピング |
US10389281B2 (en) * | 2016-10-20 | 2019-08-20 | Texas Instruments Incorporated | Correcting offset and gain drift related angle errors with motor position detectors |
CN109375038B (zh) * | 2018-11-30 | 2020-09-11 | 江苏永钢集团有限公司 | 一种光电传感器快速校线装置及校线方法 |
CN109855668B (zh) * | 2019-03-11 | 2021-05-11 | 中电海康无锡科技有限公司 | 磁角度传感器的自校准方法、装置、磁角度传感器及系统 |
CN110375788B (zh) * | 2019-07-26 | 2021-04-13 | 中国航空工业集团公司北京长城计量测试技术研究所 | 一种四路正交差动信号解调仪表校准方法及系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4360730A (en) * | 1980-10-16 | 1982-11-23 | Itek Corporation | Encoder alignment method and apparatus |
US4410798A (en) * | 1981-06-10 | 1983-10-18 | Itek Corporation | Incremental optical encoder system with addressable index |
JPS57211612A (en) * | 1981-06-23 | 1982-12-25 | Sony Corp | Phase servo circuit |
US4575581A (en) * | 1984-02-06 | 1986-03-11 | Edwin Langberg | Digitizer and position encoders and calibration system for same |
US4772872A (en) * | 1986-12-12 | 1988-09-20 | Hughes Aircraft Company | Alignment system for encoders |
JPS6449914A (en) * | 1987-08-20 | 1989-02-27 | Fanuc Ltd | Signal processor for pulse encoder |
US4873655A (en) * | 1987-08-21 | 1989-10-10 | Board Of Regents, The University Of Texas System | Sensor conditioning method and apparatus |
US5138564A (en) * | 1990-07-31 | 1992-08-11 | Xerox Corporation | Automatic encoder calibration |
GB9110598D0 (en) | 1991-05-16 | 1991-07-03 | Renishaw Transducer Syst | Setting up of quadrature signals |
US5998783A (en) * | 1994-06-01 | 1999-12-07 | Stridsberg Innovation Ab | Heat protected position transducer in an electric motor |
US6029363A (en) | 1998-04-03 | 2000-02-29 | Mitutoyo Corporation | Self-calibrating position transducer system and method |
US6487787B1 (en) | 2001-08-03 | 2002-12-03 | Mitutoyo Corporation | System and method for determination of error parameters for performing self-calibration and other functions without an external position reference in a transducer |
-
2002
- 2002-10-23 EP EP06115045A patent/EP1712467B1/de not_active Expired - Lifetime
- 2002-10-23 DE DE60227721T patent/DE60227721D1/de not_active Expired - Fee Related
- 2002-10-23 AT AT06115045T patent/ATE401244T1/de not_active IP Right Cessation
- 2002-10-31 AU AU2002348124A patent/AU2002348124A1/en not_active Abandoned
- 2002-10-31 AT AT02784342T patent/ATE329411T1/de not_active IP Right Cessation
- 2002-10-31 EP EP02784342A patent/EP1451933B1/de not_active Expired - Lifetime
- 2002-10-31 CN CNB028266846A patent/CN100438339C/zh not_active Expired - Fee Related
- 2002-10-31 DE DE60212180T patent/DE60212180T2/de not_active Expired - Lifetime
- 2002-10-31 JP JP2003555682A patent/JP2005533240A/ja active Pending
- 2002-10-31 CA CA002466064A patent/CA2466064A1/en not_active Abandoned
- 2002-10-31 US US10/284,608 patent/US6897435B2/en not_active Expired - Fee Related
- 2002-10-31 WO PCT/US2002/034848 patent/WO2003055077A2/en active IP Right Grant
-
2005
- 2005-04-26 US US11/114,389 patent/US7075057B2/en not_active Expired - Fee Related
-
2006
- 2006-04-23 US US11/379,789 patent/US7193205B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN100438339C (zh) | 2008-11-26 |
ATE401244T1 (de) | 2008-08-15 |
US6897435B2 (en) | 2005-05-24 |
EP1712467A3 (de) | 2006-11-08 |
EP1451933A2 (de) | 2004-09-01 |
JP2005533240A (ja) | 2005-11-04 |
WO2003055077A3 (en) | 2004-04-01 |
US7193205B2 (en) | 2007-03-20 |
AU2002348124A1 (en) | 2003-07-09 |
AU2002348124A8 (en) | 2003-07-09 |
CA2466064A1 (en) | 2003-07-03 |
DE60227721D1 (de) | 2008-08-28 |
US20050194524A1 (en) | 2005-09-08 |
DE60212180D1 (de) | 2006-07-20 |
EP1712467B1 (de) | 2008-07-16 |
EP1451933B1 (de) | 2006-06-07 |
EP1712467A2 (de) | 2006-10-18 |
US7075057B2 (en) | 2006-07-11 |
US20060186360A1 (en) | 2006-08-24 |
WO2003055077A2 (en) | 2003-07-03 |
CN1613187A (zh) | 2005-05-04 |
DE60212180T2 (de) | 2007-04-12 |
US20030112018A1 (en) | 2003-06-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE329411T1 (de) | Codierer-selbstkalibrationsvorrichtung und - verfahren | |
CN110081913B (zh) | 位置感测设备 | |
CN105871377B (zh) | 时域交织模数转换器采样时间失配的校准方法及系统 | |
CN101131329A (zh) | 编码器信号的校正电路 | |
EP0840096A1 (de) | Interpolationsschaltung für Kodiervorrichtung | |
US10578681B2 (en) | Sensors using digitally assisted 1/x analog gain compensation | |
EP0733201A1 (de) | Vorrichtung zur messung von materialeigenschaft | |
MXPA01006213A (es) | Circuito y sensor de posicion opara codificador optico. | |
DE602006019765D1 (en) | Scale- und readhead-system | |
WO2005055500A3 (en) | Calibrating capacitor mismatch in a pipe-line adc | |
JP2005043228A (ja) | デジタル角度測定システム | |
US6340908B1 (en) | Phase adjusting circuit, scaling signal generation circuit using phase adjusting circuit, and position measuring apparatus using scaling signal generation circuit | |
US7323863B2 (en) | Inductive transducer measurement system | |
EP1423662B1 (de) | Absoluter winkelgeber | |
RU2247325C2 (ru) | Способ температурной корректировки передающей функции датчика физической величины | |
SU1264211A2 (ru) | Способ измерени нелинейности интеграторов | |
RU2461804C1 (ru) | Преобразователь температуры | |
SU756325A1 (ru) | Устройство для измерения магнитной индукции 1 | |
RU2210744C1 (ru) | Способ измерения механических величин | |
SU815632A1 (ru) | Устройство дл бесконтактногоизМЕРЕНи чиСлА ОбОРОТОВ | |
Kollar | Flip-Flop sensor controlled by slow-rise control pulse | |
RU2249223C1 (ru) | Цифровое устройство для измерения сопротивлений и приращения сопротивления | |
JPS6224726B2 (de) | ||
SU1033991A1 (ru) | Устройство дл измерени коэффициента шума четырехполюсника | |
Yegorov | A transportable multivalue inductance standard for the range of 0, 1-1000 H |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |