CN1176364C - Multispectrum yarn quality detection analyzer - Google Patents
Multispectrum yarn quality detection analyzer Download PDFInfo
- Publication number
- CN1176364C CN1176364C CNB021123152A CN02112315A CN1176364C CN 1176364 C CN1176364 C CN 1176364C CN B021123152 A CNB021123152 A CN B021123152A CN 02112315 A CN02112315 A CN 02112315A CN 1176364 C CN1176364 C CN 1176364C
- Authority
- CN
- China
- Prior art keywords
- yarn
- infrared
- detection
- reflection
- speed
- 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 - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000001228 spectrum Methods 0.000 claims abstract description 35
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000003071 parasitic effect Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000031700 light absorption Effects 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 6
- DGJPPCSCQOIWCP-UHFFFAOYSA-N cadmium mercury Chemical compound [Cd].[Hg] DGJPPCSCQOIWCP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000985 reflectance spectrum Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000004753 textile Substances 0.000 abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000013441 quality evaluation Methods 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000825 ultraviolet detection Methods 0.000 description 1
Images
Landscapes
- Treatment Of Fiber Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a multi-spectrum yarn quality detection analyzer. A conveying device conveys yarn to a detection visual field to carry out near ultraviolet reflection, visible light transmittance, visible light chrominance, near infrared reflection detection, middle infrared reflection detection and far infrared reflection detection at constant speed under the condition that the yarn keeps bearing constant tension, the information is gathered to a computer, and analysis and calculation are carried out under the support of a set method or corresponding software. The computer carries out output printing or display to yarn quality factor results, and carries out multi-spectrum image display to yarn fabrics by multi-spectrum image display software. The multi-spectrum yarn quality detection analyzer is favorable to develop textile products with market competitiveness and high added value and the potential characteristics of textiles, and provides effective measurement and analysis for the quality evaluation of the yarn, and the technical support is established for high-quality textiles of a new generation.
Description
Technical field:
The present invention relates to the metering of length, thickness and similar linear dimension and the metering field of angle, area, irregular surface or profile, relate to the diameter when adopting optical means metering movement of objects again, particularly a kind of multispectrum yarn quality detection analyzer.
Background technology:
U.S. Lawson-He Feier (Lawson-Hemphill) application Chinese patent " system and method that is used for electronically displaying yarn qualities " (application number 94194093.4, publication number CN1174607A), this method adopts CCD test yarn diameter, filoplume, cotton knot, parameters such as fault, carry out statistical classification, then according to artificial blackboard, make the yarn grade, promptly so-called " electronic blackboard (Electronic Blackboard) " function, and show with Computer Simulation, indication is made into visual effect behind the texture cloth specimen with tested yarn, its weak point is to reflect the yarn true colors, and absorption or the reflection characteristic of yarn to ultraviolet and infrared band can not be provided.These 2 requirements to yarn quality are directly connected to the development and use of the potential characteristic of textile, promptly help developing the textile fabrics that has more the market competitiveness and high added value.
Summary of the invention:
The bright technical matters that will solve of this law provide a kind of near ultraviolet, visible light, in multispectrum yarn quality detection analyzer in infrared, the far infrared scope.
The technical solution used in the present invention is: by thread delivery device yarn to be measured is delivered to field of detection, wherein, speed V
2Constant device is with speed V
2Constant speed yarn is discharged outside this instrument, yarn tension determines yarn tension T and is delivered to computing machine, calculates to keep deciding the required speed V of tension force T
1, speed V
1Constant device is with speed V
1Yarn is imported this instrument, and speed and constant tension when keeping yarn and measuring, carry out following every detection:
Near ultraviolet reflection spectrum detection: tested yarn is thrown light on by ultraviolet source (as low-voltage fluorescent lamp, black lamp or ultraviolet light-emitting diode), form ultraviolet band reflection pick-up unit by ultraviolet enhancing linear array silicon photoelectric diode and respective optical parts thereof, obtain the reflectance spectrum and the impurity information of ultraviolet band yarn.
Visible transmission detects: form visible transmission yarn diameter pick-up unit by white visible light source illumination with by CCD charge-coupled image sensor and corresponding optics and peripheral circuit, obtain the yarn two-dimensional image information.
Visible light reflection colorimetric detection: forms visible reflection colourity pick-up unit by white visible light source illumination and chromaticity transducer (R, G, B) and corresponding electricity thereof, optics, cooperation yarn constant speed is also obtained yarn color saturation, color contrast and brightness isochromatic spectrum information by computing machine.
Near infrared (0.8~2.5 μ m) reflection spectrum detection: by near infrared light source lighting and forms the near-infrared reflection spectrum detection device by silicon photoelectric diode and respective optical parts thereof, cooperation yarn constant speed is obtained this wave band infrared external reflection information.
In infrared (3.0~5.0 μ m) reflection spectrum detection: Infrared Reflective Spectra pick-up unit in forming by the mid-infrared light source lighting and by room temperature mercury-cadmium tellurid detector spare and optics thereof, electric component cooperates the yarn constant speed to obtain this wave band infrared external reflection information.
Far infrared (8.0~14.0 μ m) reflection spectrum detection: by the far red light source lighting, form the far-infrared reflection spectra pick-up unit by pyroelectric detector or low temperature mercury-cadmium tellurid detector and optics thereof, electric component, cooperate the yarn walking speed to obtain this wave band infrared external reflection information.
Survey in the near ultraviolet reflectance spectrum, visible light reflection colorimetric detection, near infrared, in the arrangement of infrared, far-infrared reflection spectra pick-up unit, light source is at side irradiation yarn, and respectively settle one to absorb corresponding spectral band and parasitic light device respectively at its offside, be respectively ultraviolet ray and parasitic light absorption plant, visible light and parasitic light absorption plant, near infrared, in infrared, far infrared and parasitic light absorption plant, absorb through repeatedly light and other parasitic lights of the corresponding wave band of reflection; Carry out light and electric shield between each pick-up unit.
Yarn constant speed and tension detection, near ultraviolet reflection spectrum detection, the detection of visible transmission yarn diameter, colorimetric detection, near infrared, in information infrared, that far-infrared reflection spectra detects all be collected to computing machine, carry out yarn quality analysis and output print or demonstration, and use the multispectral image software for display and the fabric of this yarn is carried out multispectral image show.
Each pick-up unit is placed in the instruction case, is equipped with work condition indicator on the panel, and its each road information is delivered to computing machine by cable, computing machine to all information by analyzing and computing under designation method or the corresponding software support.
The present invention has following beneficial effect:
1. the present invention provides effective Measurement and analysis means for the flavor evaluation of yarn, and is that high-quality textile fabrics of new generation has been set up technical support.
2. the present invention takes the lead in utilizing the broadband photoelectric detecting technology from ultraviolet, visible light and infrared band that yarn quality is detected and analyzes, can obtain the attribute such as diameter, color, unevenness of yarn, the visual effect that can also show the fabric of knitting with this yarn, and the absorption of yarn from the near ultraviolet to the far infrared band and the broadband spectral characteristic of reflection are provided, help developing textile product with the market competitiveness and high added value and the potential characteristic of developing textile.
3. human body is an infrared origin, wears the clothes and carry out heat interchange by it and the external world again by coverture like adding on radiation source; On the other hand, human eye also is that limitation is arranged very much to effects such as coloration of textile materials, prescriptions.By the present invention visible light colors, uvioresistant, the infrared health characteristic of consciousness fabric in advance, the present invention can carry out the backward simulation design to textile again, fabric to what proportioning just can conform and season, and has how comfortable beautiful color and luster and dress or the like all provides convenience to the deviser.
Description of drawings:
Fig. 1 is the composition synoptic diagram of multispectrum yarn quality detection analyzer of the present invention.
The reflectance spectrum curve of Fig. 2 cotton and polypropylene fibre impurity.
Fig. 3 is multispectral sensor resonse characteristic figure.Supported spectral detection of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and the total technical scheme of the present invention embodiment is described further.By thread delivery device yarn to be measured is delivered to field of detection, speed V
1 Constant device 8 and speed V
2Constant device 21 guarantees tension force T and the speed V of yarn to set
2By this instrument, wherein, speed V
2Constant device gearing 21 is with setting speed V
2Discharge yarn 7 outside this instrument on constant speed ground, and yarn tension determinator 9 determines tension force suffered on the yarn 7, is delivered to computing machine 22, and computing machine 22 calculates and keeps setting the required speed V of tension force T
1, control rate V
1 Constant device 8 is with speed V
1Yarn is imported this instrument.Present embodiment is the speed V with yarn
2Can be constant on two numerical value, one is 30 meters/minute, another is 100 meters/minute.The visual field of each pick-up unit of present embodiment is adjusted on the vertical straight line.
Near ultraviolet reflection spectrum detection: tested yarn is thrown light on by for example ultraviolet low-voltage fluorescent lamp of ultraviolet source 10, form ultraviolet reflectance optical detection device 11 by ultraviolet enhancing linear array (256 yuan) silicon photoelectric diode and respective optical parts thereof, obtain the reflectance spectrum and the impurity information of ultraviolet band, yarn.See also Fig. 2.In the ultraviolet region, for example the relative cotton of the reflectivity curve of polypropylene fibre impurity has distinctive warping, so utilize these impurity of ultraviolet detection very favourable.
Visible transmission detects: make visible illumination by visible light source 2 as fluorescent tube, form visible transmission yarn diameter pick-up unit 12 by CCD charge-coupled image sensor and corresponding optics thereof and electric component, the CCD linear array is 1024 yuan, computing machine collects ccd image through the form of image pick-up card with two-dimensional digital image, carry out image recognition processing, obtain attributes such as yarn diameter, unevenness, cotton knot, filoplume.The yarn diameter measurement range of present embodiment has two, and one is 0~6mm; Another is 0~20mm.
Visible light reflection colorimetric detection: carry out visible illumination as fluorescent tube by visible light source 13, with chromaticity transducer (R, G, B) and respective optical and electric component composition visible light reflection colourity pick-up unit 14, cooperate the yarn constant speed to carry out three mass-tone analyzing and processing of red, green, blue by computing machine, just can draw color saturation, color contrast and the brightness of yarn, and learn the spectral information of yarn.
Near infrared (0.8~2.5 μ m) reflection spectrum detection: as infrared lamp illumination and form near-infrared reflection spectrum detection device 16, obtain near infrared yarn reflective information by silicon photoelectric diode and respective optical parts thereof by near-infrared light source 15.
In infrared (3.0~5.0 μ m) reflection spectrum detection: Infrared Reflective Spectra pick-up unit 18 in forming by mid-infrared light source 17 illumination and by room temperature mercury-cadmium tellurid detector spare and optics thereof, electric component, cooperation yarn constant speed is obtained this wave band infrared external reflection information.
Far infrared (8.0~14.0 μ m) reflection spectrum detection: by 19 illuminations of far infrared light source, form far-infrared reflection spectra pick-up unit 20 by pyroelectric detector or low temperature HgCdTe device and optics thereof, electric component, cooperate the yarn constant speed to obtain this wave band infrared external reflection information.
Near ultraviolet reflection spectrum detection device 11, visible light reflection colourity pick-up unit 14, near infrared, in the installation of infrared and far-infrared reflection spectra pick-up unit 16,18,20, light source is at side irradiation yarn, and settle one to absorb black matrix respectively at its offside, absorb yarn reflected light other light in addition, for example in the visible light colorimetric detection device, it is just passable to lay a suitably big black velvet.These absorbers are respectively ultraviolet ray and parasitic light absorption plant 1, visible light and parasitic light absorption plant 3, near infrared parasitic light absorption plant 4, in infrared and parasitic light absorption plant 5 and far infrared and parasitic light absorption plant 6, carry out between each pick-up unit light and the electricity shielding.To the sensor, other parasitic lights to beyond the reflected signal of yarn target adopt suitable light hurdle to be in the light by the yarn reflected light.
Yarn constant speed and tension detection, the detection of near ultraviolet reflected light, the detection of visible transmission yarn diameter, colorimetric detection, near infrared, in information infrared, that far-infrared reflection spectra detects all be pooled to computing machine 22, computing machine to all information by analyzing and computing under designation method or the corresponding software support, the yarn quality factor is carried out output print 24 or shown 23, and use each spectrum picture software for display and the fabric of this yarn is carried out multispectral image show.And can classify to yarn by graphics standard.Computing machine 22 also possesses IO interface 25.
In a word, present embodiment has following performance;
The yarn measuring speed: 30 meters/minute, 100 meters/minute.
Yarn diameter measurement range: 0~6mm, 0~20mm.
Spectral detection scope: near ultraviolet (0.25~0.38 μ m)
Visible light (0.40~0.75 μ m)
Near infrared (0.80~2.50 μ m)
In infrared (3.0~5.0 μ m)
Far infrared (8.0~14.0 μ m)
The yarn classification: classify by national sector standard,
Multispectral textile image shows.
Claims (1)
1. a multispectrum yarn quality detection analyzer comprises thread delivery device, pick-up unit computing machine and software, it is characterized in that:
(1-1) the speed V of gearing
1Constant device (8) and speed V
2Constant device (21) guarantees tension force T and the speed V of yarn to set
2By this instrument, wherein, speed V
2Constant device (21) is with setting speed V
2Constant speed yarn (7) is discharged outside this instrument, yarn tension determinator (9) determines yarn (7) and goes up suffered tension force, is delivered to computing machine (22), and computing machine (22) calculates and keeps setting the required speed V of tension force T
1, control rate V
1Constant device (8) is with speed V
1Yarn is imported this instrument;
(1-2) near ultraviolet reflection spectrum detection: tested yarn is thrown light on by ultraviolet source (10), form ultraviolet reflectance optical detection device (11) by ultraviolet enhancing linear array silicon photoelectric diode and respective optical parts thereof, obtain the reflectance spectrum and the impurity information of ultraviolet band yarn;
(1-3) visible transmission detects: form visible transmission yarn diameter pick-up unit (12) by white visible light source (2) and CCD charge-coupled image sensor and peripheral circuit and corresponding optics, the two-dimensional image information of yarn when obtaining constant speed and moving;
(1-4) visible light reflection colorimetric detection: form visible light by white visible light source (13) and R, G, B chromaticity transducer and amplifier and respective optical parts thereof and reflect colourity pick-up unit (14), obtain yarn color saturation, color contrast and the brightness chromatogram information of motion by computing machine;
(1-5) 0.8~2.5 μ m near-infrared reflection spectral detection:, obtain yarn in this wave band infrared external reflection information by near-infrared light source (15) and form near-infrared reflection spectrum detection device (16) by silicon photoelectric diode and respective optical parts thereof;
(1-6) Infrared Reflective Spectra detects among 3~5 μ m: Infrared Reflective Spectra pick-up unit (18) in being made up of mid-infrared light source (17) and room temperature mercury-cadmium tellurid detector spare and optics electric component thereof, obtain yarn in this wave band infrared external reflection information;
(1-7) 8~14 μ m far-infrared reflection spectras detect: form far-infrared reflection spectra pick-up unit (20) by far infrared light source (19) and pyroelectric detector or low temperature mercury-cadmium tellurid detector and optics thereof, electric component, obtain yarn in this wave band infrared external reflection information;
(1-8) near ultraviolet reflection spectrum detection device, visible light colorimetric detection, near infrared, in the arrangement of infrared, far-infrared reflection spectra pick-up unit, light source is at side irradiation yarn, and respectively settle corresponding wave band light and parasitic light absorption plant respectively at its offside, absorb other light except the yarn reflected light; Carry out the shielding of light and electricity between each pick-up unit;
(1-9) the yarn constant speed, decide tension force, the detection of near ultraviolet reflected light, the detection of visible transmission yarn diameter, colorimetric detection, near infrared, in information infrared, that far-infrared reflection spectra detects all be collected to computing machine (22) and carry out yarn quality analysis and demonstration (23) and print (24), and use the multispectral image software for display yarn fabric carried out the multispectral image demonstration;
(1-10) each pick-up unit is installed in the instrument container, is equipped with work condition indicator on the panel, and its each road information is transported to computing machine by cable, computing machine to all information by analyzing computing under establishing method or the corresponding software support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021123152A CN1176364C (en) | 2002-07-01 | 2002-07-01 | Multispectrum yarn quality detection analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021123152A CN1176364C (en) | 2002-07-01 | 2002-07-01 | Multispectrum yarn quality detection analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1414372A CN1414372A (en) | 2003-04-30 |
| CN1176364C true CN1176364C (en) | 2004-11-17 |
Family
ID=4741985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021123152A Expired - Fee Related CN1176364C (en) | 2002-07-01 | 2002-07-01 | Multispectrum yarn quality detection analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1176364C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10348742A1 (en) * | 2003-10-16 | 2005-05-12 | Saurer Gmbh & Co Kg | Method for determining the effects of a fancy yarn |
| CN101228435B (en) * | 2005-07-26 | 2012-09-12 | 普勒米尔开发私人有限公司 | Detecting and categorizing of foreign substances in a strand-like textile material |
| CN101086480B (en) * | 2006-06-06 | 2010-12-01 | 浙江真爱毛纺有限公司 | Yarn light tester and method |
| CN101587079B (en) * | 2009-05-08 | 2011-01-12 | 清华大学 | Multispectral chromatic polarization detection method of foreign impurity in the textile raw material |
| CN101876633B (en) * | 2009-11-13 | 2011-08-31 | 中国矿业大学 | Terahertz time domain spectroscopy-based textile fiber identification method |
| CN103901036B (en) * | 2012-12-24 | 2017-04-19 | 联想(北京)有限公司 | Method for judging material characteristics of target object and electronic device |
| CN104849275A (en) * | 2015-04-22 | 2015-08-19 | 上海工程技术大学 | High speed digital imaging device and method for yarn appearance |
| CN106353288A (en) * | 2016-08-30 | 2017-01-25 | 常州正易晟网络科技有限公司 | Finished product chemical residue detection device and method based on fluorescent analysis |
| CN119936060B (en) * | 2025-04-09 | 2025-07-18 | 泉州天娇妇幼卫生用品有限公司 | Baby diaper stain detecting system based on image recognition |
-
2002
- 2002-07-01 CN CNB021123152A patent/CN1176364C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1414372A (en) | 2003-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102279263B (en) | CCD-type quantitative analysis system of colloidal gold immunity chromatography diagnosis test papers | |
| CN105865630B (en) | For showing the colorimetric system of test | |
| CN103645190B (en) | Mirror case and device thereof is turned round for the adjustable two of yarn appearance parameter measurement | |
| CN104101704B (en) | A kind of immune chromatography test card quantitative detecting method | |
| CN101629336B (en) | Method and device for online detection of foreign fiber in cotton | |
| CN1176364C (en) | Multispectrum yarn quality detection analyzer | |
| CN102539359B (en) | Meat quality visualization detection device based on static hyperspectral imaging system | |
| CN1192227C (en) | Fiber color grading system | |
| KR20140096158A (en) | Device for analyzing blemishes of a transparent substrate | |
| CN1111736C (en) | Fiber quality monitor | |
| CN205262947U (en) | A polarization detecting system for different fine scavenger | |
| CN107870149A (en) | A kind of method and apparatus of spectrum of measurement and application thereof | |
| CN103245670A (en) | Defect detection device and defect detection method of optical element | |
| CN202275082U (en) | CCD (Charge Coupled Device) type colloidal gold immunochromatograohic assay diagnostic strip quantitative analysis system | |
| CN109035235A (en) | A kind of car light light guide acetes chinensis method | |
| WO2007012936B1 (en) | Detecting and categorising foreign substances in a strand-like textile material | |
| CN205940772U (en) | Raw cotton foreign fiber rejects with binary channels shortwave infrared imaging system | |
| CN1560585A (en) | Quickly measuring method and device for lens transmittivity | |
| CN209387542U (en) | A kind of detection device for eliminating material shade | |
| CN218412304U (en) | Automatic fabric inspection device | |
| CN114729879B (en) | Optical property measurement using a sensor behind a display | |
| CN207057052U (en) | A kind of double infrared online material sorting devices of timesharing LED | |
| CN209559471U (en) | A kind of display screen detection device | |
| CN1320210A (en) | Detection device for foreign matter on yarn | |
| CN108240989A (en) | Illumination imaging optimization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |