DE2915557A1 - Kapazitives mess-system mit automatischer kalibrier-vorrichtung - Google Patents
Kapazitives mess-system mit automatischer kalibrier-vorrichtungInfo
- Publication number
- DE2915557A1 DE2915557A1 DE19792915557 DE2915557A DE2915557A1 DE 2915557 A1 DE2915557 A1 DE 2915557A1 DE 19792915557 DE19792915557 DE 19792915557 DE 2915557 A DE2915557 A DE 2915557A DE 2915557 A1 DE2915557 A1 DE 2915557A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- thread
- measured value
- digital
- gain
- 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.)
- Withdrawn
Links
- 238000005259 measurement Methods 0.000 claims description 33
- 238000012544 monitoring process Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 8
- 238000013508 migration Methods 0.000 claims description 8
- 230000005012 migration Effects 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 6
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 5
- 238000004088 simulation Methods 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000011109 contamination Methods 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 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
- G01D18/002—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 (1)
| Publication Number | Publication Date |
|---|---|
| DE2915557A1 true DE2915557A1 (de) | 1979-10-31 |
Family
ID=25408975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792915557 Withdrawn DE2915557A1 (de) | 1978-04-20 | 1979-04-18 | Kapazitives mess-system mit automatischer kalibrier-vorrichtung |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS55484A (fr) |
| CA (1) | CA1114913A (fr) |
| CH (1) | CH642168A5 (fr) |
| DE (1) | DE2915557A1 (fr) |
| FR (1) | FR2427577A1 (fr) |
| IT (1) | IT1112384B (fr) |
| NL (1) | NL7903130A (fr) |
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 |
Family Cites Families (3)
| 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 |
-
1979
- 1979-04-18 DE DE19792915557 patent/DE2915557A1/de not_active Withdrawn
- 1979-04-19 CH CH369279A patent/CH642168A5/de not_active IP Right Cessation
- 1979-04-19 IT IT7921979A patent/IT1112384B/it active
- 1979-04-20 JP JP4961579A patent/JPS55484A/ja active Pending
- 1979-04-20 NL NL7903130A patent/NL7903130A/xx not_active Application Discontinuation
- 1979-04-20 CA CA326,002A patent/CA1114913A/fr not_active Expired
- 1979-04-20 FR FR7910024A patent/FR2427577A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2427577B1 (fr) | 1984-02-24 |
| IT7921979A0 (it) | 1979-04-19 |
| NL7903130A (nl) | 1979-10-23 |
| JPS55484A (en) | 1980-01-05 |
| CH642168A5 (en) | 1984-03-30 |
| CA1114913A (fr) | 1981-12-22 |
| IT1112384B (it) | 1986-01-13 |
| FR2427577A1 (fr) | 1979-12-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |