CN1912863A - Embedded character base process method of network system - Google Patents

Embedded character base process method of network system Download PDF

Info

Publication number
CN1912863A
CN1912863A CNA2005100877283A CN200510087728A CN1912863A CN 1912863 A CN1912863 A CN 1912863A CN A2005100877283 A CNA2005100877283 A CN A2005100877283A CN 200510087728 A CN200510087728 A CN 200510087728A CN 1912863 A CN1912863 A CN 1912863A
Authority
CN
China
Prior art keywords
character
data
graphic structure
word
terminal
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.)
Granted
Application number
CNA2005100877283A
Other languages
Chinese (zh)
Other versions
CN100594492C (en
Inventor
黄克俭
王建军
刘申
鲁承明
王函
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Huawen Writing Technology Co.,Ltd.
Original Assignee
BEIJING HUAWEN SHIJI SCIENCE AND TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING HUAWEN SHIJI SCIENCE AND TECHNOLOGY Co Ltd filed Critical BEIJING HUAWEN SHIJI SCIENCE AND TECHNOLOGY Co Ltd
Priority to CN200510087728A priority Critical patent/CN100594492C/en
Publication of CN1912863A publication Critical patent/CN1912863A/en
Application granted granted Critical
Publication of CN100594492C publication Critical patent/CN100594492C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

This invention discloses a process method for inserted word libraries of a network system including a compression storage method taking a curve profile word library and a lattice library as the data source and graph structure as the basis to compress data of the library then to recover the compressed data and analysis to be inserted into the computer system to reduce data volume of Chinese words greatly on digital TV, digital set-top boxes and handheld terminals to secure the recover quality of characters on different display media and transmit more font information without increasing hardware of terminal devices and network bandwidth.

Description

Embedded character base process method of network system
Technical field
The present invention relates to a kind of computer system literal processing method, relate in particular in the network environment embedded computer system curved profile and dot matrix character data are compressed storage processing method simultaneously, and the correct solution that shows of multilingual under the network-termination device environment, multiple style font.
Background technology
At present, aspect the font information demonstration of network-termination devices such as the digital television of WIN CE or embedded OS, top box of digital machine, personal hand-held, because the restriction of device hardware only can be installed the limited Chinese font of a number of words and a spot of western language font.Along with the fast development of information household electric industry, the contact of Word message has surmounted single languages on the information platform, develops towards the direction of multilingual, multiple style font.If solve this type of problem, just face the cost that will increase terminal device storage hardware and network latency with traditional technology.Although adopt the method that on network-termination device, expands storage hardware and increase bandwidth, but still can not effectively solve the correct problem that shows of multilingual, the multiple style font that increases day by day.
Summary of the invention
The object of the present invention is to provide a kind of font information to show solution, be mainly used in network-termination devices such as the digital television that uses embedded OS, top box of digital machine, personal hand-held.,, simultaneously curved profile font and raster font data are done compression and handle as Data Source with curved profile character library and dot matrix word library based on text structure and graphic structure body.Under the network system environment during literal information transmission, a kind of word-base data that adopts after the compressing and converting is provided, effectively solve the correct method that shows of multilingual, the multiple style font of network-termination device environment.
This process comprises the steps:
1. based on the phonetic element of a Chinese pictophonetic character, the pictographic element of a pictophonetic inherent characteristics of Chinese character, adding up its situation at the curved profile word-base data frequency of occurrences and the simplified and traditional degree of stroke and corresponding with it a plurality of fixed measure dot array data pieces, is unit regulation sequence number with the graphic structure body.Create simultaneously with the graphic structure body is the text structure data of the whole word of formation of unit.
2. be unit regulation curved profile digital data and dot matrix character data with the graphic structure body, distinctive rule according to the description of graphic structure volume data, with curved profile digital data and dot matrix character data, arrange with binary coding, form the data compression character library (form is seen accompanying drawing 1) that the filename suffix is STC together with the text structure data.
3. be that the character library of STC processes to the filename suffix again, the correct method that shows of multilingual, the multiple style font of network-termination device environment that solves is provided.
The definition of text structure: information formed in the literal that is used to describe based on the graphic structure body.Each literal is made up of one or more graphic structure bodies, and text structure is used to describe the relevant information of each graphic structure body of forming literal, comprises numbering, coordinate and zooming parameter.(form is seen accompanying drawing 3.)
The definition of graphic structure body:, use geometric figure, view data to describe to the information of the part of word in the character library or word.The graphic structure body of a word or a word part is the set of several discontinuous straight lines, curve, geometric figure and view data.(form is seen accompanying drawing 5.)
The curved profile word of describing with the graphic structure body method after the statistics and dot matrix character data according to distinctive rule, are arranged with the binary coding compression,, formed a data compression character library that the filename suffix is STC together with text structure data sequential storage.At first preserve file header information (form is seen accompanying drawing 2) in the character library, be followed successively by text structure offset-lists, text structure data, graphic structure solid offsetting scale and graphic structure volume data then, also have optional character code table and inlay text structure data subsequently.
To the filename suffix is that the character library of STC processes again, be implemented under the computer network system environment, multilingual, the multiple style font information that will transmit, peculiar form with method of compressing data formation, solve because of terminal in the network and main website character set inconsistent, and cause terminal can not be fast, the problem of normal character display.
Method of the present invention can be applicable to widely: network-termination devices such as the digital television of WIN CE or embedded OS, top box of digital machine, personal hand-held.
The invention has the advantages that: the compression processing done simultaneously in curved profile word in the word-base data and dot matrix character data, make word-base data on the basis that keeps former character library style characteristic, memory capacity is saved greatly, can effectively solve curved profile font small size font under specific display environment in this way and show bad shortcoming.The character library of 28000 Chinese characters and symbol, the shared storage space of curved profile digital data after handling through method compression of the present invention is the 1M byte.The word-base data of a in addition 16 * 16 dot matrix, handling the shared storage space in back through method compression of the present invention is the 150K byte, is about 1/14th of original unidimensional dot matrix word library memory capacity.Owing to adopt the method for network character font data flow transmission, also make when multilingual, the multiple style font of network-termination device environmental applications, significantly reducing of literal transmitted data amount under the situation that does not increase the terminal device storage hardware and the network bandwidth, can be transmitted more font information.Can strengthen the functions of use of these equipment, effectively reduce cost.Be further to save carrying cost, terminal even the data of font can be installed.
Description of drawings
Fig. 1: font file data layout
Fig. 2: font file head data layout
Fig. 3: text structure data layout
Fig. 4: text structure beacon information data layout
Fig. 5: graphic structure volume data form
Fig. 6: curved profile command code tabulation
Fig. 7: text structure offset-lists
Fig. 8: graphic structure solid offsetting scale
Fig. 9: network character font data stream format
Figure 10: interpretive routine main flow chart
Figure 11: graphic structure body handling procedure process flow diagram
Figure 12: curve program process flow diagram
Figure 13: straight-forward program process flow diagram
Figure 14: to-fill procedure process flow diagram
Embodiment
Below in conjunction with the drawings and specific embodiments the inventive method is described further:
The phonetic element of a Chinese pictophonetic character, pictographic element of a pictophonetic inherent characteristics based on Chinese character, data to curved profile character library and dot matrix word library are analyzed, add up the situation of its frequency of occurrences, simplified and traditional degree and corresponding with it a plurality of fixed measure dot matrix character data pieces, with the graphic structure body is unit description, stipulates corresponding sequence number.Create simultaneously with the graphic structure body is the text structure data of the whole word of formation of unit.With needed graphic structure body,, form a data compression character library that the filename suffix is STC together with text structure data and other relevant information sequential storage.
The graphic structure body quantity of 28000 Chinese characters and character character library is 6381 kinds.The graphic structure volume data is made of two parts data, is respectively dot array data piece and curved profile data block.The data structure of graphic structure body (form is seen accompanying drawing 5) is arranged the dot array data piece subsequently for the length of dot array data in the recording geometry structure at first, and the curved profile data block.
In order to adapt to the different zoom parameter of graphic structure body correspondence in kinds of characters, the dot array data that can comprise a plurality of different sizes in the dot array data piece, its width and the height the dot array data piece begin be arranged in order, be arranged in order the dot array data information of different size subsequently.
The quantity of recording curve profile at first in the curved profile data block is followed successively by the data of each curved profile subsequently.The curved profile data owner will be made up of command parameter (accompanying drawing 6 is seen in tabulation) and corresponding reference mark coordinate, arranges the compression storage in a certain order.
In the STC font file, store a plurality of text structure data and a plurality of graphic structure volume data, in order to find corresponding data fast, in the STC font file, also preserve text structure offset-lists (form is seen accompanying drawing 7) and graphic structure solid offsetting scale (form is seen accompanying drawing 8).
To handle different character codes in order adapting in addition, can also to preserve corresponding character code table in the font file, be used to carry out corresponding character code and explain.
Dot array data in the graphic structure body is after the curved profile data processing of graphic structure body is finished, contrast each graphic structure body curve outline data, zooming parameter according to the graphic structure body extracts in the mode of data block, and stores in the mode of view data.
The method of extracting dot array data is:
1. selected graphic structure body is found out all characters that call this graphic structure body.
2. find out the character that all call directions X and Y direction zooming parameter the most close 100% in this graphic structure body.
3. according to the actual shared rectangular extent of the graphic structure body zooming parameter and the graphic structure body of this character, calculate in the actual rectangular extent of specifying the graphic structure body under the lattice dimensions.New memory location is arrived with its dot matrix contents extraction in the relevant position of the dot matrix character data that the rectangular extent alignment that use calculates will extract.
4. the corresponding dot array data piece of graphic structure body extracts and finishes, and with the outline data piece front that the extraction dot array data adds the graphic structure body in the mode of view data, preserves data.
Each character is made up of one or more graphic structure bodies in the character library.The related data that the graphic structure body is formed character is kept in the text structure data.Each graphic structure body has the sequence number of himself, the coordinate in whole character, and the zooming parameter in the whole character.For example, certain character corresponding character structured data formats following (seeing accompanying drawing 3):
At first writing down the text structure beacon information (seeing accompanying drawing 4) of character, is the horizontal ordinate in each graphic structure body sequence number, the character, the zooming parameter in the character then successively.
Curved profile data character method of reduction treatment (seeing accompanying drawing 10,11,12,13,14):
1. according to the correlation parameter information of input, correlation parameters is set, and the initialization buffer zone.
2. processing coded message is converted to the character index numbering with the GB sign indicating number of input character or UNICODE sign indicating number according to the corresponding encoded table.
3. from the text structure offset-lists, obtain the text structure data offset of character according to the character index numbering.
4. read the text structure data, each literal is made up of a plurality of graphic structure bodies, and each graphic structure body is to having oneself coordinate offset amount and zooming parameter.
5. the quantity according to the graphic structure body circulates, handle each graphic structure body successively, according to the numbering of the graphic structure body that reads, in graphic structure solid offsetting scale, obtain the side-play amount of graphic structure volume data, read the graphic structure volume data according to side-play amount.
6. read the curved profile data of respective graphical structure according to the curved profile data processing method, handle the curved profile coordinate according to command parameter and font parameter successively, and be converted to straight line and curve uses corresponding straight line or curve processing method to handle, fill at last and write buffer zone.
7. after the processing of finishing all graphic structure bodies, the return character data are for demonstration.
The method of reduction treatment basic procedure of dot array data identical with outline data (seeing accompanying drawing 8), its difference are mainly above-mentioned the 6th step and handle to change into and use the dot array data disposal route to handle, and its basic skills is as follows:
1. read the dot array data piece of respective graphical structure.
2. after the coordinate parameters conversion through the graphic structure body, obtain its physical location when specifying size, just position, the upper left corner of this dot array data.According to the wide high parameter of dot array data, reduction dot array data original shape is stored in buffer zone.
3. the zooming parameter according to the graphic structure body calculates the actual wide, high of this graphic structure body,, height ratio wide with corresponding dot array data, whether decision will be done dot array data and take out line or ledger line is handled.
Character library to compressing and converting processes again, solves the correct problem that shows of multilingual, the multiple style font of network-termination device environment, and its method is as follows:
1. when the character library font of character font that will show in the network system and terminal installation is inconsistent.According to parameters such as the font name of wanting character display, coding, types, mate with corresponding font name, type parameter in the main website several different character libraries with method establishment of the present invention.If the match is successful, judge coding parameter again, in the word-base data of correspondence, extract the text structure and the graphic structure volume data of this character, be converted to network word-base data stream format (seeing accompanying drawing 9) that terminal can handle then and be embedded into and send in the Word message stream that terminal handles.If coupling is unsuccessful, then select a font name, the approaching word-base data of type to substitute.
2. the character font that will show in network system is consistent with the character library font of terminal installation, but the character set that the character set that the character library that main website is installed is used is used greater than the terminal character library, character to display is not just in the character set scope of terminal character library, and in the character set scope of character library is installed by main website.According to parameters such as the font name of wanting character display, coding, types, mate with corresponding font name, type parameter in the main website several different character libraries with method establishment of the present invention.According to coding parameter, in the word-base data of correspondence, extract the text structure and the graphic structure volume data of this character, be converted to network word-base data stream format (seeing accompanying drawing 9) that terminal can handle then and be embedded into and send in the Word message stream that terminal handles.Because main, the employed font unanimity of terminal, only the character set difference when the graphic structure body of forming character also is included in the terminal character library simultaneously, only needs to use special graph structure form to preserve the graphic structure volume data and gets final product, and can significantly reduce data volume.
3. the character font that will show in the network system and the terminal character library font of installing is consistent, but want character display be main, terminal character set scope in addition do not include character.The inlay editor means that use provides in main website based on main website same font character library, with the graphic structure body in the character library, are done the mosaic of inlay in the mode of convergent-divergent, translation, and and the corresponding characters coding be saved in the inlay character library of main website together.According to coding parameter, in the inlay word-base data, extract the text structure and the graphic structure volume data of this character, be converted to network word-base data stream format (seeing accompanying drawing 9) that terminal can handle then and be embedded into and will send in the Word message stream that terminal handles.Because the employed graphic structure body of inlay in the time of also may being included in the terminal character library simultaneously, when this situation occurs, only needing to use special graph structure form to preserve the graphic structure volume data and gets final product, and can significantly reduce data volume.
4. after terminal receives Word message stream, handle each character successively, for the character that does not have embedded network word-base data stream, use the normal process method from the terminal character library, to read character data, for the character that has embedded network word-base data stream, then give interpretive routine with the data transfer of its embedding, interpretive routine therefrom reads character data and carries out the character reduction.
Inlay editing and processing method:
At first, create an inlay character library in main website, this character library is mainly used in correspondence coding, the text structure of depositing the inlay character, and whole graphic structure volume datas of the different fonts of having created with the inventive method.In the inlay editing process, according to inlay character situation, select needed graphic structure body, finish the work of mosaic through operations such as translation, convergent-divergents.Then, the text structure relevant information of this character is converted to corresponding data layout, the sign that is encoded to this character is stored in the inlay character library, just mosaic work needn't be again carried out when using this character more next time, the text structure and the graphic structure volume data of this character can be directly from the inlay character library, extracted.
The method of this inlay editing and processing also can be embedded in the system of terminal.Its function is a subclass of the method for main website inlay editing and processing.

Claims (6)

1. embedded character base process method of network system, comprise the word-base data compressing and converting, explain method of reduction treatment, and be that the character library of STC processes again to the filename suffix, provide to solve the network terminal and establish the method that multilingual, the multiple style font of each environment correctly shows problem.It is characterized in that this process comprises the steps:
1) based on the phonetic element of a Chinese pictophonetic character, the pictographic element of a pictophonetic inherent characteristics of Chinese character, add up its situation at the curved profile word-base data frequency of occurrences and the simplified and traditional degree of stroke and corresponding with it a plurality of fixed measure dot array data pieces, be unit regulation sequence number with the graphic structure body.Create simultaneously with the graphic structure body is the text structure data of the whole word of formation of unit.
2) be unit regulation curved profile digital data and dot matrix character data with the graphic structure body, distinctive rule according to the description of graphic structure volume data, with curved profile digital data and dot matrix character data, arrange with binary coding, form the data compression character library that the filename suffix is STC together with the text structure data.
3) be that the character library of STC processes to the filename suffix again, the correct method that shows of multilingual, the multiple style font of network-termination device environment that solves is provided.
2. as claim 1 described a kind of embedded character base process method of network system, it is characterized in that: described according to curved profile character library and dot matrix character data statistics original word library information, produce the graphic structure volume data, the text structure data.
3. as claim 1 described a kind of embedded character base process method of network system, it is characterized in that: the curved profile data in the word-base data are done the method that compression is handled, stored.
4. as claim 1 described a kind of embedded character base process method of network system, it is characterized in that: the dot matrix character data in the word-base data is done the method that compression is handled, stored simultaneously, comprise following operation:
1) selected graphic structure body is found out all characters that call this graphic structure body.
2) find out the character that all call directions X and Y direction zooming parameter the most close 100% in this graphic structure body.
3) according to the actual shared rectangular extent of the graphic structure body zooming parameter and the graphic structure body of this character, calculate in the actual rectangular extent of specifying the graphic structure body under the lattice dimensions.New memory location is arrived with its dot matrix contents extraction in the relevant position of the dot matrix character data that the rectangular extent alignment that use calculates will extract.
4) the corresponding dot array data piece of graphic structure body extracts and finishes, and with the outline data piece front that the extraction dot array data adds the graphic structure body in the mode of view data, preserves data.
5. as claim 1 described a kind of embedded character base process method of network system, it is characterized in that: store the explanation method of reduction treatment of character library based on the compression of graphic structure body.
6. as claim 1 described a kind of embedded character base process method of network system, it is characterized in that: based on the character library packed data under the computer network system environment, the correct solution that shows of multilingual, multiple style font.Comprise following operation:
1) when the character library font of character font that will show in the network system and terminal installation is inconsistent.In the word-base data of correspondence, extract the text structure and the graphic structure volume data of this character, be converted to network word-base data stream that terminal can handle then and be embedded into and send in the Word message stream that terminal handles.
2) character font that will show in network system is consistent with the character library font of terminal installation, but the character set that the character set that the character library that main website is installed is used is used greater than the terminal character library, character to display is not just in the character set scope of terminal character library, and in the character set scope of character library is installed by main website.In the word-base data of correspondence, extract the text structure and the graphic structure volume data of this character, be converted to network word-base data stream that terminal can handle then and be embedded into and send in the Word message stream that terminal handles.When the graphic structure body of forming character also is included in the terminal character library simultaneously, only need to use special graph structure form to preserve the graphic structure volume data and get final product, can significantly reduce data volume.
3) character font that will show in network system and the terminal character library font of installing is consistent, but want character display be main, terminal character set scope in addition do not include character.The inlay editor means that use provides in main website based on main website same font character library, with the graphic structure body in the character library, are done the mosaic of inlay in the mode of convergent-divergent, translation, and and the corresponding characters coding be saved in the inlay character library of main website together.In the inlay word-base data, extract the text structure and the graphic structure volume data of this character, be converted to network word-base data stream that terminal can handle then and be embedded into and send in the Word message stream that terminal handles.When the employed graphic structure body of inlay is included in the terminal character library simultaneously, only need to use special graph structure form to preserve the graphic structure volume data and get final product, can significantly reduce data volume.
4) after terminal receives Word message stream, handle each character successively, for the character that does not have embedded network word-base data stream, use the normal process method from the terminal character library, to read character data, for the character that has embedded network word-base data stream, then give interpretive routine with the data transfer of its embedding, interpretive routine therefrom reads character data and carries out the character reduction.
CN200510087728A 2005-08-08 2005-08-08 Embedded character base process method of network system Expired - Fee Related CN100594492C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200510087728A CN100594492C (en) 2005-08-08 2005-08-08 Embedded character base process method of network system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200510087728A CN100594492C (en) 2005-08-08 2005-08-08 Embedded character base process method of network system

Publications (2)

Publication Number Publication Date
CN1912863A true CN1912863A (en) 2007-02-14
CN100594492C CN100594492C (en) 2010-03-17

Family

ID=37721803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200510087728A Expired - Fee Related CN100594492C (en) 2005-08-08 2005-08-08 Embedded character base process method of network system

Country Status (1)

Country Link
CN (1) CN100594492C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266775B (en) * 2008-04-25 2010-08-11 嘉兴闻泰通讯科技有限公司 Compression storage method and decompression method for lattice word library
CN101957837A (en) * 2010-09-08 2011-01-26 东莞电子科技大学电子信息工程研究院 Method for accessing stroke vector font
CN101894098B (en) * 2009-05-18 2012-01-11 北京大学 Embedded font data processing method and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266775B (en) * 2008-04-25 2010-08-11 嘉兴闻泰通讯科技有限公司 Compression storage method and decompression method for lattice word library
CN101894098B (en) * 2009-05-18 2012-01-11 北京大学 Embedded font data processing method and device
CN101957837A (en) * 2010-09-08 2011-01-26 东莞电子科技大学电子信息工程研究院 Method for accessing stroke vector font

Also Published As

Publication number Publication date
CN100594492C (en) 2010-03-17

Similar Documents

Publication Publication Date Title
CN107622230B (en) PDF table data analysis method based on region identification and segmentation
US5963966A (en) Automated capture of technical documents for electronic review and distribution
CN1227621C (en) Systems and methods for digital file processing
CN1845099A (en) Method and structure for conversion and storage of multimedia electronic file in intelligent mobile terminal
CN101441713A (en) Optical character recognition method and apparatus of PDF document
US20050103871A1 (en) Serial storage of ink and its properties
JPH10100484A (en) Computer based document processing method
CN101076114A (en) Self-adaptive context binary arithmetic encoder and encoding method
CN1009503B (en) Storage method and application system for literal ward and graphic
CN1818935A (en) Two-dimensional code construction based on hexadecimal coding
US7302106B2 (en) System and method for ink or handwriting compression
CN115630343B (en) Electronic document information processing method, device and equipment
JP5788047B2 (en) Encoder for encoding text into matrix code symbols and decoder for decoding matrix code symbols
CN1713173A (en) Method and system for converting encoding character set
EP2482231A1 (en) Method for encoding and decoding data on a matrix code symbol
CN1912863A (en) Embedded character base process method of network system
CN111881651A (en) Method for converting UOT streaming document into OFD format document
CN1105966C (en) Apparatus and method for producing a three-dimensional display on a vided display
JP6387207B1 (en) Digital ink encoding method and decoding method
CN1107381C (en) Real-time compression/decompression method for scanned image
EP1365348B1 (en) Method for creating image files with electronic ink information
CN102467490A (en) Font data processing method and device
CN1870505A (en) Embedded system and its information processing method
CN110298017B (en) Method and device for processing coded data and computer storage medium
CN1335733A (en) Handwriting inputting, sending and receiving method and system for mobile terminal

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
ASS Succession or assignment of patent right

Owner name: CHANGZHENG HUAWEN WORDS TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: HUAWEN CENTURY SCIENCE AND TECHNOLOGY CO., LTD., BEIJING

Effective date: 20121113

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 100031 XICHENG, BEIJING TO: 213168 CHANGZHOU, JIANGSU PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20121113

Address after: 213168, No. 18 Hubin South Road, Niu Tong Town, Wujin District, Jiangsu, Changzhou

Patentee after: Changzhou Huawen Writing Technology Co.,Ltd.

Address before: 100031, room 129, 709-711 West Street, Xicheng District, Beijing, Xuanwumen

Patentee before: Beijing Huawen Shiji Science and Technology Co., Ltd.

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: 20100317

Termination date: 20180808