GB681477A - Improvements in or relating to a method and appliance for determining the mean deviation of the variable quantity of substance in the cross-section of slivers, rovings and yarns from its average value - Google Patents
Improvements in or relating to a method and appliance for determining the mean deviation of the variable quantity of substance in the cross-section of slivers, rovings and yarns from its average valueInfo
- Publication number
- GB681477A GB681477A GB3637/50A GB363750A GB681477A GB 681477 A GB681477 A GB 681477A GB 3637/50 A GB3637/50 A GB 3637/50A GB 363750 A GB363750 A GB 363750A GB 681477 A GB681477 A GB 681477A
- Authority
- GB
- United Kingdom
- Prior art keywords
- average value
- representing
- pass filter
- substance
- low
- 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.)
- Expired
Links
- 239000000126 substance Substances 0.000 title abstract 3
- 239000004753 textile Substances 0.000 abstract 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/365—Filiform textiles, e.g. yarns
-
- 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
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Treatment Of Fiber Materials (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
681,477. Electric indicating systems. ZELLWEGER AKT.-GES. APPARATE-UND MASCHINENFABRIKEN USTER. Feb. 13, 1950 [March 15, 1949], No. 3637/50. Class 40 (i) [Also in Groups IX and XXXVI] In apparatus for determining the mean deviation from average of an electrical signal representing a physical magnitude e.g. the quantity of substance in the cross-section of textile slivers, yarns or rovings, the fluctuating signal component representing the deviations from the average value and the steady component representing the average value are separated by a low-pass filter and the former component is rectified, averaged in a second low-pass filter, and measured by an electrical recording instrument. In Fig. 3 an electrical instrument 30 of the kind described in Specification 638,365, [Group XXXVI], for measuring the quantity of substance in textile slivers supplies a fluctuating signal for a capacitance-resistance (or inductance) low-pass filter 31 whose output, representing the steady average value, is measured by a recording instrument 32, 33. The alternating signal across the ends of filter resistances 40, 42, 44, representing the deviations from the average value, energizes a bridge rectifier 34 through a condenser 39, and the unidirectional output is applied to a second resistance-capacitance low-pass filter 35 to produce a steady output, representing the mean deviation from the average value, which is measured by a recording instrument 36, 37. The rectifier or measuring instrument characteristics may be such that the R.M.S. value of the deviation is recorded.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH681477X | 1949-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB681477A true GB681477A (en) | 1952-10-22 |
Family
ID=4528502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3637/50A Expired GB681477A (en) | 1949-03-15 | 1950-02-13 | Improvements in or relating to a method and appliance for determining the mean deviation of the variable quantity of substance in the cross-section of slivers, rovings and yarns from its average value |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH262827A (en) |
| DE (1) | DE810433C (en) |
| GB (1) | GB681477A (en) |
| NL (1) | NL78154C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3113453A (en) * | 1959-11-06 | 1963-12-10 | Pagnacco Arrigo | Apparatus for determining and evaluating a curve indicating the frequency of test values in a series of tests |
| EP0207471A2 (en) * | 1985-07-03 | 1987-01-07 | Barmag Ag | Method for measuring the quality of a running yarn |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1068913B (en) * | 1959-11-12 | |||
| DE1092696B (en) * | 1956-05-03 | 1960-11-10 | Andre Butticaz | Method and device for determining the relative non-uniformity of continuously supplied amounts of material, in particular of textile fiber strands |
| FR1150424A (en) * | 1956-05-03 | 1958-01-13 | Method and apparatus for checking irregularity in streams of textile or the like | |
| DE1218743B (en) * | 1958-03-06 | 1966-06-08 | Tno | Device for measuring and monitoring, in particular of textile threads or yarns with at least one measuring capacitor in the branch of a capacitance measuring bridge |
| DE1220157B (en) * | 1960-04-08 | 1966-06-30 | Zellweger A G | Device for measuring the mean value of an electrical voltage over time |
| DE1245605B (en) * | 1964-10-20 | 1967-07-27 | Janez Peklenik Dr Ing | Method and device for determining parameters in stochastic processes |
| DE2404136C3 (en) * | 1973-02-05 | 1984-06-28 | Gebrüder Loepfe AG, Wetzikon | Device for setting the cleaning limits of an electronic thread cleaner |
-
0
- NL NL78154D patent/NL78154C/xx active
-
1949
- 1949-03-15 CH CH262827D patent/CH262827A/en unknown
-
1950
- 1950-01-24 DE DEZ263A patent/DE810433C/en not_active Expired
- 1950-02-13 GB GB3637/50A patent/GB681477A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3113453A (en) * | 1959-11-06 | 1963-12-10 | Pagnacco Arrigo | Apparatus for determining and evaluating a curve indicating the frequency of test values in a series of tests |
| EP0207471A2 (en) * | 1985-07-03 | 1987-01-07 | Barmag Ag | Method for measuring the quality of a running yarn |
| EP0207471A3 (en) * | 1985-07-03 | 1989-10-11 | B A R M A G Barmer Maschinenfabrik Aktiengesellschaft | Method for measuring the traction force of a running yarn |
Also Published As
| Publication number | Publication date |
|---|---|
| DE810433C (en) | 1951-08-09 |
| NL78154C (en) | |
| CH262827A (en) | 1949-07-31 |
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