FR2427577A1 - Procede et appareil de mesure capacitive d'un fil, avec etalonnage automatique - Google Patents
Procede et appareil de mesure capacitive d'un fil, avec etalonnage automatiqueInfo
- Publication number
- FR2427577A1 FR2427577A1 FR7910024A FR7910024A FR2427577A1 FR 2427577 A1 FR2427577 A1 FR 2427577A1 FR 7910024 A FR7910024 A FR 7910024A FR 7910024 A FR7910024 A FR 7910024A FR 2427577 A1 FR2427577 A1 FR 2427577A1
- Authority
- FR
- France
- Prior art keywords
- signal
- gain
- thread
- simulation
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- G01D18/002—Automatic recalibration
- G01D18/006—Intermittent recalibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
- B65H63/062—Electronic slub detector
- B65H63/064—Electronic slub detector using capacitor sensing means, i.e. the defect signal is a variation of impedance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
- G01B7/125—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters of objects while moving
-
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/06—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for operation by a null method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/898,120 US4208625A (en) | 1976-02-23 | 1978-04-20 | Capacitive measuring system with automatic calibration |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2427577A1 true FR2427577A1 (fr) | 1979-12-28 |
FR2427577B1 FR2427577B1 (nl) | 1984-02-24 |
Family
ID=25408975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7910024A Granted FR2427577A1 (fr) | 1978-04-20 | 1979-04-20 | Procede et appareil de mesure capacitive d'un fil, avec etalonnage automatique |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS55484A (nl) |
CA (1) | CA1114913A (nl) |
CH (1) | CH642168A5 (nl) |
DE (1) | DE2915557A1 (nl) |
FR (1) | FR2427577A1 (nl) |
IT (1) | IT1112384B (nl) |
NL (1) | NL7903130A (nl) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10346599A1 (de) * | 2003-10-04 | 2005-04-21 | Saurer Gmbh & Co Kg | Verfahren und Vorrichtung zur Überwachung eines Fadens |
CN113636393B (zh) * | 2021-07-02 | 2023-04-25 | 中国船舶重工集团公司第七一三研究所 | 一种全自动微米级透明薄膜流延卷绕端面平齐控制装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1485608A (fr) * | 1966-04-01 | 1967-06-23 | Siderurgie Fse Inst Rech | Procédé de tarage d'appareils d'analyse et dispositif de mise en oeuvre |
US3681577A (en) * | 1970-10-30 | 1972-08-01 | Technicon Instr | Automatic calibration apparatus |
US3886786A (en) * | 1971-09-20 | 1975-06-03 | Borg Warner | Null memory system for a gas analysis system |
DE2437438B1 (de) * | 1974-08-02 | 1976-02-12 | Fraunhofer Ges Forschung | Verfahren vorrichtung zur steigerung der genauigkeit analoger messvorg[nge bei registrierung mittels digitaler systeme. |
-
1979
- 1979-04-18 DE DE19792915557 patent/DE2915557A1/de not_active Withdrawn
- 1979-04-19 IT IT7921979A patent/IT1112384B/it active
- 1979-04-19 CH CH369279A patent/CH642168A5/de not_active IP Right Cessation
- 1979-04-20 JP JP4961579A patent/JPS55484A/ja active Pending
- 1979-04-20 CA CA326,002A patent/CA1114913A/en not_active Expired
- 1979-04-20 FR FR7910024A patent/FR2427577A1/fr active Granted
- 1979-04-20 NL NL7903130A patent/NL7903130A/nl not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1485608A (fr) * | 1966-04-01 | 1967-06-23 | Siderurgie Fse Inst Rech | Procédé de tarage d'appareils d'analyse et dispositif de mise en oeuvre |
US3681577A (en) * | 1970-10-30 | 1972-08-01 | Technicon Instr | Automatic calibration apparatus |
US3886786A (en) * | 1971-09-20 | 1975-06-03 | Borg Warner | Null memory system for a gas analysis system |
DE2437438B1 (de) * | 1974-08-02 | 1976-02-12 | Fraunhofer Ges Forschung | Verfahren vorrichtung zur steigerung der genauigkeit analoger messvorg[nge bei registrierung mittels digitaler systeme. |
Also Published As
Publication number | Publication date |
---|---|
JPS55484A (en) | 1980-01-05 |
DE2915557A1 (de) | 1979-10-31 |
NL7903130A (nl) | 1979-10-23 |
IT1112384B (it) | 1986-01-13 |
IT7921979A0 (it) | 1979-04-19 |
CH642168A5 (en) | 1984-03-30 |
CA1114913A (en) | 1981-12-22 |
FR2427577B1 (nl) | 1984-02-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1532362A (en) | Measuring instruments | |
SE7901830L (sv) | Andedrekttestanordning | |
ES8305946A1 (es) | "un generador de rayos x, perfeccionado". | |
FR2427577A1 (fr) | Procede et appareil de mesure capacitive d'un fil, avec etalonnage automatique | |
ES457368A1 (es) | Dispositivo para el ensayo de dureza de materiales. | |
JPS5430074A (en) | Time measuring system | |
SE7903070L (sv) | Anordning for bestemning av stralningsabsorptionsfordelningen i ett undersokningsplan | |
JPS5759115A (en) | Calibrating data writing method applied externally to information measuring device and information measuring device stored with calibra ting data | |
SE7705296L (sv) | Metanordning for bestemning av leget av strengstyrningen i en strenggjutningsanleggning | |
JPS52119970A (en) | Sound measuring apparatus | |
SE7502226L (sv) | Signalbehandlingsanordning | |
JPS5436984A (en) | Pressure measuring apparatus | |
JPS5432387A (en) | Analyzing apparatus | |
JPS5660914A (en) | Plant state monitor device | |
ES438279A1 (es) | Aparato electronico para detectar la cantidad de una sustan-cia predeterminada dispuesta en un medio fluido y metodo pa-ra su utilizacion. | |
JPS5740604A (en) | Thickness measuring apparatus with radiation | |
JPS56106107A (en) | Radiation thickness measuring device | |
SU121970A1 (ru) | Хроматограф | |
JPS527793A (en) | Method and equipment for measuring total carbon amount | |
JPS5441783A (en) | Method and apparatus for detection of ultrasonic wave receiving signals | |
JPS52154697A (en) | Ph measuring probe | |
ES483814A1 (es) | Metodo y aparato correspondiente para la medicion del grado de llenado de un molino accionado por motor electrico | |
JPS5756739A (en) | Measuring apparatus of moisture | |
JPS5580046A (en) | Humidity measuring apparatus and method therefor | |
JPS56162500A (en) | Tetrode control type x-ray generator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |