CN102682217B - The special cursor marking system of blind raw examination - Google Patents
The special cursor marking system of blind raw examination Download PDFInfo
- Publication number
- CN102682217B CN102682217B CN201210152850.4A CN201210152850A CN102682217B CN 102682217 B CN102682217 B CN 102682217B CN 201210152850 A CN201210152850 A CN 201210152850A CN 102682217 B CN102682217 B CN 102682217B
- Authority
- CN
- China
- Prior art keywords
- answer sheet
- machine
- answer
- information
- blind
- 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
Abstract
The present invention relates to the special cursor marking system of a kind of blind raw examination, the computing machine filled in template bag, machine-readable answer sheet, optical character reader (OCR) and data line by blind person's machine-readable answer sheet and analysis module of going over examination papers is housed formed, wherein: machine-readable answer sheet sticks to blind person's machine-readable answer sheet and fills on template bag; Braille marking module controls the data message on optical character reader (OCR) collection machine-readable answer sheet, and by data line the paper information transmission collected to computing machine, computing machine by load braille marking module carry out the identification of answer sheet mark and the output of achievement; The external form that blind person's machine-readable answer sheet fills in template bag is bag type, and paper is put into wherein by blind life, finally by this cursor marking system, typing is carried out in answer done on answer sheet, and compares with model answer, and scoring is appraised fast.Present system and device are concisely convenient, simple to operate, and paper content are stored, and paper result can be carried out classify, add up.
Description
Technical field
The present invention relates to the special cursor marking system of a kind of blind raw examination, especially the special education of blind life provides the special cursor marking system of blind raw examination easily, espespecially a kind of method of optical scanning that utilizes identifies by certain format printing or the mark write, be converted into the receptible electric signal of computing machine, and this information is input to rapidly computing machine various information is analyzed rapidly and accurately, process, namely paper content can be provided, model answer finally can not only be provided to compare, storage means is provided and paper content is stored, and paper result is classified, the special cursor marking system of blind raw examination of statistics.
Background technology
Blind person is as the specific group of in society, and need society to give them and more show loving care for and look after, the education of blind life and the inclusive education problem of blind life are subject to worldwide extensive concern always.In blind raw education, concerning teacher, a very large problem is exactly reading and making comments of braille paper, and this problem has been braille teacher problem demanding prompt solution.It is that simple touching by blind person student is read that current school for the blind teacher gos over examination papers, touch the accuracy rate read to be determined by the level of blind life, in the judgement of objective questions answer, although option be all A B C D, but touching in the process read the phenomenon that there will be unavoidably and touch and read to slip up, reading rate is slow simultaneously, wastes a large amount of manpowers.
Also be not specifically designed to the cursor marking system of braille at present, existing relevant device does not possess translation function braille being converted to letter, phonetic and Chinese character yet.
Chinese utility model patent application number is 98236091.6, patent name is that " machine-readable answer sheet full-filling template " discloses a kind of machine-readable answer sheet full-filling template, feature has rectangle through hole by matrix arrangement in template, in a matrix each horizontally-arranged on the long limit of rectangle through hole equidirectional be positioned on a horizontal straight line in template, minor face of the rectangle through hole equidirectional on each perpendicular row is positioned on a vertical curve in template.During use, suitable rectangle through hole alignment is treated the machine-readable answer sheet of full-filling is empty, full-filling work can be completed fast, accurately, in high quality.
Existing common machine-readable answer sheet is filled in moulding plate series and is adopted the plastic production of high-quality to form, color is pink colour, blueness, green, or Transparent color, transparent OPP bag is adopted to pack, specification is 12cm, wholesale reference price is 0.26 yuan/, and it is the various errors helping Students Overcome to occur in standardization answer process that machine-readable answer sheet fills in Pattern plate ruler major function, is applicable to study article.
Optical mark reader (OpticalMarkReader), be called for short OMR, it is a kind of Message Entry Device of high speed, it integrates light, mechanical, electrical, photoelectricity transformation principle is used to identify full-filling point at a terrific speed, read data from the release of carrying information, and send into computing machine by data cable.Cursor reading device core is a kind of simple optical character recognition, card reader is only responsive to black, recognize so the part card reader of the upper red green of card is actual, card is printed on originally the stick of black, help direction and position that card reader confirms card, the black patch of the full-filling of pencil on card and printed black patch constitute the image that is only had B&W jointly, its principle and binary " 0 ", " 1 " is similar to, the image generated with the answer prestored after card reader scanning compares, the part conformed to is exactly score, what be not inconsistent is exactly mistake.As a kind of new computer peripheral device, it is one information input equipment fast and accurately.Utilize cursor reading device information can be input to computing machine rapidly, computing machine just can be analyzed rapidly and accurately, process various information, instead of over and utilize keyboard that data are knocked in traditional input mode of computing machine one by one, a difficult problem for mass data input computer is solved, is provided with the advantages such as reading is quick, reading is accurate, low consumption.
Above-mentioned two kinds of equal widespread adoption of article are in the exam paper marking work of normal students, but for this special colony of blind person, due to the deformity of their eyesight, cause cannot as normal person filling answer sheets to complete the test of objective questions, very large drawback can be caused: first criticize in volume speed and be very restricted by " hand is touched " batch volume, because the most of teachers of teaching blind person is known nothing braille, blind person student can only be sought help from, everyone " hand is touched " a 25 road objective selection topic papers approximately need cost 15 minutes, each class blind person number calculates by 30 people, when uninterrupted batch of volume, the objective paper of a class needs 450 minutes, for a specialty at least three four classes, this is a huge engineering beyond doubt.In addition, reading and making comments qualitatively, " hand is touched " accuracy rate of blind life on the one hand needs to be investigated, and blind life " hand is touched " also exists the subjective probability touching mistake in addition.Therefore research and develop that a set ofly to have fast, accurately read and make comments the marking system that blind unfamiliar guest sees paper be extremely necessary.
Summary of the invention
The object of the present invention is to provide a kind of special cursor marking system of the raw examination of comparatively perfect Fast Blind of educating personal requirement according to blind person and needing design.It has fast, accurately read and make comments the function that blind unfamiliar guest sees paper.The present invention controls the data message on optical character reader (OCR) collection machine-readable answer sheet by braille marking module, and by data line the paper information transmission collected to the computing machine that analysis module of going over examination papers is housed, computing machine carries out the identification of machine-readable answer sheet mark and the output of achievement, its principle adopts the method for optical scanning to identify the mark write by certain format, and be converted into the receptible electric signal of computing machine, thus data are transferred to computing machine, by means of the braille marking module of self-compiling program sentence instruction to the process of machine-readable answer sheet data analysis, and classify, comparation and assessment process, result provides with carefully and neatly done form, after the student's machine-readable answer sheet for reading is read on optical character reader (OCR), braille marking module identifies mark, operator selects " generation student performance " by the function button on the human-computer interaction interface in braille marking module, " student performance rank ", " examination paper analysis " and " Results Printing " function, complete exam paper marking.The computing machine that the present invention fills in template bag, machine-readable answer sheet, optical character reader (OCR), data line by blind person's machine-readable answer sheet and analysis module of going over examination papers is housed formed.
Wherein: the external form that blind person's machine-readable answer sheet fills in template bag is bag type, and paper is put into wherein by blind life, to reach the function of fixing answer sheet.
Blind person's machine-readable answer sheet fills in template bag one side for plane, another side is made into template shape, this template specification is decided to be 210 × 285mm, longitudinally in strict accordance with Braille writing requirement in template, respectively the braille topic number of stamping and crowing and A B C D tetra-options before every problem, in braille, the design parameter of blind spot is in table 1.Be the perfect rectangle full-filling groove coincide on the right side of blind spot with it, size precisely conforms to the full-filling point on answer sheet; Blind life no longer with braille represent A B C D, but fill in braille topic on template bag (1) number and A/B/C/D by touching blind person machine-readable answer sheet, finally corresponding answer is spread upon in the groove of full-filling, then form one and normal students to answer the identical answer sheet of effect, this answer sheet is standard answer card, can make to complete the 8 blind unfamiliar guests in road in every two row answer sheets according to designing requirement and see multiple-choice question, one page standard answer card can for filling in 40 road objective selection topics.Finally by this cursor marking system, typing is carried out in answer done on answer sheet, and compares with model answer, scoring is appraised fast, stores simultaneously, analyzes, classifies and printing to student's paper and achievement.
Table 1 Braille writing plate recommended parameter (unit: mm)
Main part of the present invention is the braille marking module of self-compiling program sentence instruction, and this module comprises answer sheet define system, statistical system and output system.Wherein:
Answer sheet define system is initialization statement, and definition answer sheet is of a size of 16 and opens, and determines that Card Reader direction is for horizontal or longitudinal;
Statistical system is parameter definition statement, and definition participates in the blind raw database of examination, and setting pertinent statistical parameters type, as number, total marks of the examination gross score, total marks of the examination average mark etc.The object of statistical system is mainly that the answer sheet information to obtaining carries out relevant treatment to meet statistically requirement.Output system is external hardware equipment, completes the work such as the output printing after statistical system work.
In addition, the student number of blind person student's full-filling on answer sheet can adopt 128C bar code form, directly bonding strip shape code or bar code is directly printed on answer sheet on test answer sheet, the content of bar code representative is versatile and flexible to contain much information, and it is simple to operate easy to use, by the instruction of setting respective statement, module of going over examination papers while typing examinee answer by bar code information together typing, carry out identification corresponding, determine student associated personal information, then paper is sorted, typing, identify, achievement list and analysis, student number can be avoided like this to be coated with write error to cause going over examination papers the situation of termination and repeatable operation, enormously simplify the process of going over examination papers.
The special cursor marking system of a kind of blind raw examination, operating process is as follows:
1) braille marking module initialization: definition answer sheet size, determines that Card Reader direction is for horizontal or longitudinal;
2) information pre-processing: through a series of information pre-processing sentence instruction of braille marking module, the gray scale that setting full-filling marks and accuracy of identification, effectively improve the quality gathering mark and accuracy, is convenient to later stage identification;
3) information acquisition: typing examinee information and model answer, definition participates in blind raw database and the model answer database of examination; Braille marking Module recognition is out given by each full-filling mark go-on-go;
4) answer sheet information extraction: for the common answer sheet of blind person institute full-filling, the full-filling dot format that its full-filling point and common examinee answer there is very large difference, so requirement must carry out particular row column information extract writing of statement, extract the full-filling dot information of certain row row concrete in blind person's answer sheet accurately, thus machine-readable answer sheet (2) personal information of the blind person examinee that participates in the experiment can be collected;
5) answer sheet information identification: Primary Assay process is carried out to the answer sheet information collected, so to identify in each answer sheet each topic institute full-filling be A B C which in D tetra-options;
6) personal information and answer matches: take an examination information data that blind life answers and model answer data of the label information identified and participating in are mated one by one, in personal information matching process, if when occurring that in database, non-existent reference student information or examinee information are made mistakes, the typing of temporary break answer sheet, will work on after Resolving probiems;
7) result exports: do the data accurately extracted and follow-uply transfer, analyze, add up and print; If read and make comments end, then shutdown system, if read and make comments continuation, then forwards information acquisition system to, works on.
The invention has the advantages that: hardware configuration is simple, practical, simple operation; Software for Design rationally exquisite, succinct efficient, strong operability etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 blind person's machine-readable answer sheet fills in template bag;
Fig. 3 is the invention process method flow schematic diagram.
Figure number implication: 1. blind person's machine-readable answer sheet fills in template bag, 2. machine-readable answer sheet, 3. optical character reader (OCR), 4. data line, 5. computing machine, 6. blind spot, 7. groove.
Embodiment
As shown in Figure 1, the special cursor marking system of the blind raw examination of the present invention fills in template bag 1 by machine-readable answer sheet, machine-readable answer sheet 2, optical character reader (OCR) 3, data line 4, computing machine 5 that braille marking module is housed form.
Machine-readable answer sheet 2 is put into machine-readable answer sheet and is filled in template bag 1, braille marking module control optical character reader (OCR) 3 gathers the data message on machine-readable answer sheet 2, and by data line 4 the paper information transmission collected to computing machine 5, computing machine 5 carries out the identification of machine-readable answer sheet 2 mark by the braille marking module of loading, and completes the output of achievement.
As accompanying drawing 2 fills in template bag for longitudinal blind person's machine-readable answer sheet, this bag of dimension definitions is 16 to open, mainly comprise 6, blind spot 7, groove two parts, longitudinally in strict accordance with Braille writing requirement in template, the braille topic number of stamping and crowing and A B C D tetra-options respectively before every problem.Be the perfect rectangle full-filling groove coincide on the right side of blind spot with it, size precisely conforms to the full-filling point on answer sheet; Blind life fills in braille topic on template bag 1 number and A/B/C/D by touching blind person machine-readable answer sheet, and corresponding answer is spread upon in the groove of full-filling.
If accompanying drawing 3 is the invention process method flow schematic diagram, as follows, first initialization is carried out to the special cursor marking system of blind raw examination, initial work is completed by the define system (comprising answer sheet define system, statistical system and output system) of Braille reading module, definition answer sheet size, determines that Card Reader direction is for horizontal or longitudinal; Information acquisition is carried out after initialization terminates, through a series of information pre-processing sentence instruction, the gray scale of setting full-filling mark, the functions such as accuracy of identification, effective quality and accuracy improving collection mark, be convenient to later stage identification, simultaneously typing examinee information and model answer, definition participates in blind raw database and the model answer database of examination; Then be information pre-processing, Primary Assay process is carried out to the information identified, out give identification module identification by each full-filling mark go-on-go; After pre-service, complete answer sheet information extraction, extract the personal information of examinee of participating in the experiment, and in each answer sheet each topic institute full-filling be A B C which in D tetra-options; After answer sheet information extraction, complete personal information and answer matches, take an examination blind raw data and model answer data of the label information identified and participating in are mated one by one, in personal information matching process, if when occurring that in database, non-existent reference student information or examinee information are made mistakes, the typing of temporary break answer sheet, will work on after Resolving probiems; Carry out result output after coupling end-of-job, the data accurately extracted are done and follow-uply transfers, analyze, add up and print.If read and make comments end, then shutdown system, if read and make comments continuation, then forwards information acquisition system to, works on.
Claims (2)
1. the special cursor marking system of blind raw examination, it is characterized in that: control the data message on optical character reader (OCR) collection machine-readable answer sheet by braille marking module, and by data line the paper information transmission collected to the computing machine that analysis module of going over examination papers is housed, computing machine carries out the identification of machine-readable answer sheet mark and the output of achievement, its principle adopts the method for optical scanning to identify the mark write by certain format, and be converted into the receptible electric signal of computing machine, thus data are transferred to computing machine, by means of the braille marking module of self-compiling program sentence instruction to the process of machine-readable answer sheet data analysis, and classify, comparation and assessment process, result provides with carefully and neatly done form, after the student's machine-readable answer sheet for reading is read on optical character reader (OCR), braille marking module identifies mark, operator selects " generation student performance " by the function button on the human-computer interaction interface in braille marking module, " student performance rank ", " examination paper analysis " and " Results Printing " function, complete exam paper marking, its computing machine (5) specifically filled in template bag (1), machine-readable answer sheet (2), optical character reader (OCR) (3), data line (4) by blind person's machine-readable answer sheet and analysis module of going over examination papers is housed formed, wherein, machine-readable answer sheet (2) is put into blind person's machine-readable answer sheet and is filled in template bag (1),
The external form that blind person's machine-readable answer sheet fills in template bag (1) is bag type, and paper is put into wherein by blind life, to reach the function of fixing answer sheet;
Blind person's machine-readable answer sheet fills in template bag (1) one side for plane, another side is made into template shape, this template specification is decided to be 210 × 285mm, longitudinally in strict accordance with Braille writing requirement in template, respectively the braille topic number of stamping and crowing and A B C D tetra-options before every problem, be the perfect rectangle full-filling groove coincide on the right side of blind spot with it, size precisely conforms to the full-filling point on answer sheet; Blind life no longer with braille represent A B C D, but fill in braille topic on template bag (1) number and A/B/C/D by touching blind person machine-readable answer sheet, finally corresponding answer is spread upon in the groove of full-filling, then form an answer sheet identical with the answer sheet effect of normal students institute full-filling, finally by this cursor marking system, typing is carried out in answer done on answer sheet, and compare with model answer, quick scoring is appraised, and stores simultaneously, analyzes, classifies and printing to student's paper and achievement;
Described braille marking module is the main part of cursor marking system, it includes answer sheet initialization definitions system, answer sheet statistical system and answer sheet output system, wherein: answer sheet initialization definitions system is namely by size and the answer sheet direction of initialization statement determination answer sheet, machine-readable answer sheet dimension definitions is 16 to open, and Card Reader direction is determined laterally by initialization statement or longitudinally;
Answer sheet statistical system is namely by parameter definition statement, definition participates in the blind raw database of examination, setting pertinent statistical parameters type, comprise number, total marks of the examination gross score, total marks of the examination average mark, the object of statistical system is mainly that the answer sheet information to obtaining carries out relevant treatment to meet statistically requirement;
Namely answer sheet output system by external hardware equipment, completes the output print job after statistical system work;
The student number of blind person student's full-filling on answer sheet adopts 128C bar code form, directly bonding strip shape code or bar code is directly printed on answer sheet on test answer sheet, by the instruction of setting respective statement, go over examination papers analysis module while typing examinee answer by bar code information together typing, carry out identification corresponding, determine student associated personal information, then paper sorted, typing, identification, achievement list and analysis.
2. a method of operating for the special cursor marking system of blind raw examination, this method of operating adopts marking system as claimed in claim 1, it is characterized in that:
Its operating process is as follows
1) braille marking module initialization: definition answer sheet size, determines that Card Reader direction is for horizontal or longitudinal;
2) information pre-processing: through a series of information pre-processing sentence instruction of braille marking analysis module, the gray scale that setting full-filling marks and accuracy of identification, effectively improve the quality gathering mark and accuracy, is convenient to later stage identification;
3) information acquisition: typing examinee information and model answer, definition participates in blind raw database and the model answer database of examination; Braille marking Module recognition is out given by each full-filling mark go-on-go;
4) answer sheet information extraction: for the common answer sheet of blind person institute full-filling, the full-filling dot format that its full-filling point and common examinee answer there is very large difference, so requirement must carry out particular row column information extract writing of statement, extract the full-filling dot information of certain row row concrete in blind person's answer sheet accurately, thus machine-readable answer sheet (2) personal information of the blind person examinee that participates in the experiment can be collected;
5) answer sheet information identification: Primary Assay process is carried out to the answer sheet information collected, so to identify in each answer sheet each topic institute full-filling be A B C which in D tetra-options;
6) personal information and answer matches: take an examination information data that blind life answers and model answer data of the label information identified and participating in are mated one by one, in personal information matching process, if when occurring that in database, non-existent reference student information or examinee information are made mistakes, the typing of temporary break answer sheet, will work on after Resolving probiems;
7) result exports: do the data accurately extracted and follow-uply transfer, analyze, add up and print; If read and make comments end, then shutdown system, if read and make comments continuation, then forwards information acquisition system to, works on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210152850.4A CN102682217B (en) | 2012-05-17 | 2012-05-17 | The special cursor marking system of blind raw examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210152850.4A CN102682217B (en) | 2012-05-17 | 2012-05-17 | The special cursor marking system of blind raw examination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102682217A CN102682217A (en) | 2012-09-19 |
| CN102682217B true CN102682217B (en) | 2016-01-27 |
Family
ID=46814132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210152850.4A Expired - Fee Related CN102682217B (en) | 2012-05-17 | 2012-05-17 | The special cursor marking system of blind raw examination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102682217B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930174B (en) * | 2012-11-20 | 2015-07-01 | 江苏省疾病预防控制中心 | System and method for acquiring residential health information |
| CN103544462B (en) * | 2013-09-27 | 2019-04-05 | 季争鸣 | A kind of bar code and its application with selection answering function |
| CN104732184A (en) * | 2015-03-24 | 2015-06-24 | 朱永峰 | Art department student exam score inputting system |
| CN108284688A (en) * | 2018-01-11 | 2018-07-17 | 北京联合大学 | A kind of braille machine-readable answer sheet |
| CN111739126A (en) * | 2020-06-10 | 2020-10-02 | 上海丽昂数字科技有限公司 | Color coating plate for blind person, color coating method and device |
| CN113435341B (en) * | 2021-06-29 | 2022-05-17 | 福州大学 | Programming practice evaluation system and method based on computer vision |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840648A (en) * | 2010-04-28 | 2010-09-22 | 长春大学 | Automatic braille marking system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2358504Y (en) * | 1998-07-17 | 2000-01-12 | 芦笛 | Machine-readable card full-filling template |
| KR20050118112A (en) * | 2005-03-22 | 2005-12-15 | 최철민 | Omr card |
-
2012
- 2012-05-17 CN CN201210152850.4A patent/CN102682217B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840648A (en) * | 2010-04-28 | 2010-09-22 | 长春大学 | Automatic braille marking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102682217A (en) | 2012-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102682217B (en) | The special cursor marking system of blind raw examination | |
| CN101325011B (en) | Radical cartoon Chinese character hand-written teaching system | |
| CN111047933A (en) | Teaching assistance automatic correction system | |
| CN106781784A (en) | A kind of intelligence correction system | |
| CN110826872A (en) | Method, system and device for generating examination result analysis report | |
| CN101685482A (en) | Electric marking system capable of automatically processing marking results and method thereof | |
| CN111047934A (en) | Examination paper making and automatic correcting system | |
| CN108876195A (en) | A kind of intelligentized teachers ' teaching quality evaluating system | |
| CN104715641A (en) | Improved objective item evaluating method and system | |
| CN105718855A (en) | Online composition assessment method and system | |
| CN106373447A (en) | Intelligent paper marking system and method | |
| CN101894250A (en) | Method for counting scores of subjective questions by using optical mark reader | |
| CN108428073A (en) | A kind of intelligent evaluation system for teachers ' teaching quality | |
| CN109034590A (en) | A kind of intelligentized teaching quality evaluation for teachers management system | |
| CN105468572A (en) | Automatic test paper analyzing and organizing system and organizing method thereof | |
| CN204614264U (en) | A kind of Portable English word-teaching plate | |
| CN108681713A (en) | A kind of system for teaching quality evaluation for teachers | |
| CN108985290A (en) | A kind of intelligent check system for teachers ' teaching quality | |
| CN110348699A (en) | The method that subjective item independently scored or be exchanged with each other scoring | |
| CN113256457A (en) | Online learning diagnosis method and device based on artificial intelligence | |
| CN109086261A (en) | It gos over examination papers by hand on a kind of paper the method and system of computer system point | |
| CN205097762U (en) | Ability automatic collection sends pen of reading and making comments result | |
| CN204087606U (en) | A kind of novel English exercise teaching aid | |
| CN107569206A (en) | Chinese reading logarithm visual testing chart and Chinese reading aptitude tests method | |
| KR100952047B1 (en) | Editorial structure of workbook for Chinese character and study media using thereof |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20190517 |