IT1035570B - Rilevatore a capicatianza statica - Google Patents
Rilevatore a capicatianza staticaInfo
- Publication number
- IT1035570B IT1035570B IT7549374A IT4937475A IT1035570B IT 1035570 B IT1035570 B IT 1035570B IT 7549374 A IT7549374 A IT 7549374A IT 4937475 A IT4937475 A IT 4937475A IT 1035570 B IT1035570 B IT 1035570B
- Authority
- IT
- Italy
- Prior art keywords
- static capacity
- capacity detector
- detector
- static
- capacity
- Prior art date
Links
- 230000003068 static effect Effects 0.000 title 1
Classifications
-
- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/228—Circuits therefor
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Textile Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49048980A JPS50146372A (it) | 1974-04-30 | 1974-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1035570B true IT1035570B (it) | 1979-10-20 |
Family
ID=12818385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7549374A IT1035570B (it) | 1974-04-30 | 1975-04-30 | Rilevatore a capicatianza statica |
Country Status (7)
Country | Link |
---|---|
US (1) | US4006411A (it) |
JP (1) | JPS50146372A (it) |
CH (1) | CH592293A5 (it) |
DE (1) | DE2519682A1 (it) |
FR (1) | FR2269704A1 (it) |
GB (1) | GB1502448A (it) |
IT (1) | IT1035570B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4093915A (en) * | 1976-01-12 | 1978-06-06 | Setra Systems, Inc. | Capacitance measuring system |
US4386312A (en) * | 1981-04-24 | 1983-05-31 | Setra Systems, Inc. | Linear capacitive sensor system |
US4743836A (en) * | 1985-12-06 | 1988-05-10 | United Technologies Corporation | Capacitive circuit for measuring a parameter having a linear output voltage |
US4841227A (en) * | 1987-06-01 | 1989-06-20 | Simmonds Precision Products, Inc. | Apparatus for the ratiometric measurement of a quantity of liquid in a tank |
US5171693A (en) * | 1988-06-03 | 1992-12-15 | General Dynamics Corporation Air Defense Systems Division | Method for the determination of N-methyl-2-pyrrolidone (NMP) content in polyimide resin pre-impregnated fabric |
US5138268A (en) * | 1990-08-15 | 1992-08-11 | Steve Mulkey | Thickness measuring system for nonconducting materials |
DE4025899C2 (de) * | 1990-08-16 | 2000-06-08 | Rieter Ag Maschf | Verfahren und Vorrichtung zum Bestimmen der Gleichmässigkeit eines Prüfgutes aus textilen Garnen |
US5392657A (en) * | 1991-02-13 | 1995-02-28 | Onicon Incorporated | Flow sensor having high impedance circuit with capacitive sensing electrode |
US5381698A (en) * | 1992-04-06 | 1995-01-17 | Onicon Inc. | Flow-responsive apparatus |
CH684550A5 (de) | 1992-10-01 | 1994-10-14 | Zellweger Uster Ag | Kapazitiver Sensor zur Erfassung von Masse- und/oder Durchmesserschwankungen von langgestrecktem textilem Prüfgut. |
US6627738B2 (en) * | 1995-09-15 | 2003-09-30 | Duke University | No-modified hemoglobins and uses therefor |
US9157729B1 (en) | 2013-01-10 | 2015-10-13 | DST Output West, LLC | Light sensor facilitated insert thickness detection system |
CN104597338B (zh) * | 2014-06-11 | 2017-06-16 | 江苏省武进中等专业学校 | 一种分布式物联网实训系统及其工作方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1150424A (fr) * | 1956-05-03 | 1958-01-13 | Procédé et appareil pour le contrôle de l'irrégularité de courants de matières textiles ou similaires | |
US3009101A (en) * | 1958-05-09 | 1961-11-14 | Zellweger Uster Ag | Device for determining spontaneous cross sectional variations in textile materials |
US3185924A (en) * | 1959-07-14 | 1965-05-25 | Zellweger Uster Ag | Apparatus utilizing capacitance measuring means for the continuous monitoring of elongate materials during production to permit determination of the devlation of the denier from a desired value |
US3039051A (en) * | 1959-08-12 | 1962-06-12 | Zellweger Uster Ag | Apparatus for gaging textile materials |
US3234460A (en) * | 1960-09-20 | 1966-02-08 | Industrial Nucleonics Corp | System for measuring a property of a dielectric material by applying signals at two different frequencies to a capacitance probe through tuned input circuits |
NL271951A (it) * | 1961-07-25 | |||
US3195816A (en) * | 1962-03-13 | 1965-07-20 | Richard H Mercer | Low-voltage sprinkler control system |
JPS4415398Y1 (it) * | 1968-11-20 | 1969-07-03 | ||
US3593128A (en) * | 1969-05-21 | 1971-07-13 | Weyerhaeuser Co | Moisture-content-measuring system employing a separate bridge circuit for each sensing electrode thereof |
CH526782A (de) * | 1970-08-29 | 1972-08-15 | Asahi Chemical Ind | Verfahren und Vorrichtung zur Messung von Garnfehlern |
-
1974
- 1974-04-30 JP JP49048980A patent/JPS50146372A/ja active Pending
-
1975
- 1975-04-29 US US05/572,897 patent/US4006411A/en not_active Expired - Lifetime
- 1975-04-30 CH CH558775A patent/CH592293A5/xx not_active IP Right Cessation
- 1975-04-30 FR FR7513724A patent/FR2269704A1/fr active Pending
- 1975-04-30 IT IT7549374A patent/IT1035570B/it active
- 1975-04-30 GB GB18055/75A patent/GB1502448A/en not_active Expired
- 1975-04-30 DE DE19752519682 patent/DE2519682A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2519682A1 (de) | 1976-03-25 |
JPS50146372A (it) | 1975-11-25 |
FR2269704A1 (it) | 1975-11-28 |
GB1502448A (en) | 1978-03-01 |
CH592293A5 (it) | 1977-10-31 |
US4006411A (en) | 1977-02-01 |
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