CN1604637A - A data coding method for television program receiving instrument - Google Patents
A data coding method for television program receiving instrument Download PDFInfo
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- CN1604637A CN1604637A CNA2004100909538A CN200410090953A CN1604637A CN 1604637 A CN1604637 A CN 1604637A CN A2004100909538 A CNA2004100909538 A CN A2004100909538A CN 200410090953 A CN200410090953 A CN 200410090953A CN 1604637 A CN1604637 A CN 1604637A
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Abstract
This invention discloses a kind of TV receiver data encoding method. The method encodes the data between receiver and data collection system, including the received data. And it compresses the data according to the internal rule, so it can record relatively complicated receiving condition with lesser data volume. Except watching time and channel information, it can also monitor the playing information of program and ad., processes and gets the integration of data. By this encoding method, the TV receiver can send the receiving data and instruction by the communication method of SMS and so on.
Description
Invention field
The invention belongs to the information coding field, specifically is a kind of coding method of television program receiving instrument.
Background technology
TV audience rating is the significant data of advertisement manufacturer assessment advertising results, also is the basic reference that TV station estimates the program pouplarity.The contention of television advertising at present makes TV audience rating become more and more important parameters.Now, various television program receiving instruments are arranged on the market, such as:
● by telephone wire, perhaps grid line connects, transmission rating logarithmic data;
● by IC-card, the artificially is transmitted and to be tidied up data.
These television program receiving instruments are in the process of Data transmission, and usually system takes the data format of own definition separately, carries out the processing of correspondence.Like this, the television program receiving instrument of the necessary corresponding different manufacturers of data acquisition system, corresponding each self-defining data form has caused following result:
● data redundancy is more;
● function expansion difficulty;
● the system of different terminals can't compatible processing;
● can't adopt some communication technology Data transmission, such as short message.Or the like.
The present invention is just for solving the above problems the method for a kind of television program receiving instrument digital coding that proposes.
Summary of the invention
The invention discloses a kind of method of television program receiving instrument digital coding.
Method of the present invention is divided into 2 levels with the digital coding of program receiving instrument:
In first level, comprise following coding module item:
● the header coding;
● the date;
● BITMAP (data bitmap);
● data item (corresponding) with BITMAP;
● check digit.
On second level, corresponding with the header coding and the BITMAP of first level, the content of data item comprises following classification (can further expand):
● viewing-data;
● the parameter setting;
● the advertising programme supervision;
● pirate program supervision;
● director data.
The second layer is the further refinement on the basis of ground floor.
Ground floor has defined the construction module of data, and the second layer is the treatment of details of each viewing-data of refinement again.
The coding module of first level of described coding method is as follows:
■ header coding;
The ■ date;
■ BITMAP (data bitmap);
■ data item (corresponding) with BITMAP;
The ■ check digit.
Wherein, the functional definition of various piece is as follows:
● the header coding
Identify and defined:
System sends/receives, and the program receiving instrument terminal receives/sends;
Function coding, the function of sign different pieces of information message;
The rating parameter identification shows current parameter selection;
The viewing-data sequence number shows time relationship in proper order between the data message.
● the date
The date that the sign message sends.
● BITMAP (data bitmap)
Defined the data qualification of correspondence in the data item; Its numerical value " 0 " and " 1 " represent that respectively whether the corresponding data item exists; Perhaps, be
Effective watched channel record, still
Invalid channel switches the timing record
● data item (corresponding) with BITMAP
Data item comprises: viewing-data and director data, or the like.
In first level, header coding and BITMAP, and data item is an internal association.Its internal association is to define different packets, and this definition can constantly be expanded.The details of expansion is not involved in the present invention.
● check digit
According to rule, in order to whole message data is carried out verification.Can guarantee the integrality of message.The key of available agreement is encrypted check digit, so that the mutual authentication between program receiving instrument terminal and the system to be provided.
Second level of described coding method is the concrete digital coding of data item in first level.The digital coding here is associated with function coding in BITMAP (data bitmap) and the header coding.Data item comprises:
The ■ viewing-data;
The ■ parameter is provided with;
The supervision of ■ advertising programme;
The pirate program supervision of ■;
The ■ director data.
Viewing-data wherein is the most basic, and its coding is the main coded portion of television program receiving instrument, is the key problem that the program receiving instrument coding solves.
In the viewing-data coding, how to write down the channel information and the temporal information of all ratings, and the personal information of operation channel switching, and using less data volume as far as possible, this is a key.
Coding method of the present invention is divided into 2 kinds with the handover information of channel:
●
Effective watched channel record: the channel+time+personal information that writes down effective rating;
●
Invalid channel switches the timing record: the temporal information of record channel between transfer period.Between transfer period, the neither one channel rating time has surpassed
Effective channel rating time intervalBut the rating time has surpassed
Invalid channel switches timing at interval
With continuous
Effective watched channel recordWith
Invalid channel switches the timing record, can write down all processes of rating, form viewing-data.
In described coding method, the behavior of switching on and shutting down is carried out switching similarly processing with channel:
● shutdown: an effective channel switches record
Effective watched channel record
● start: an effective channel switches record
Effective watched channel record
In the process of record viewing-data, relate to 2 important parameters:
Effectively between the channel rating time EveryWith
Invalid channel switches timing at interval
■
Effective channel rating time intervalExplanation:
When switching on the channel, the rating time surpasses
Effectively between the channel rating time EveryThe time, just write down the channel coding+switching time+personal information of the channel that switches to, promptly
Effective watched channel record
■
Invalid channel switches timing at intervalExplanation:
In switching, each channel rating time does not all reach
Effectively during the channel rating Interbody spacer, and the time of switching surpasses
Invalid channel switches timing at intervalThe time, just write down this time span, record
Invalid channel switches the timing record
These 2 parameters will record direct influence to viewing-data.Parameter is set, and promptly is that this 2 parameters and other parameter is set.In order to reduce the quantity of viewing-data, perhaps improve the accuracy of viewing-data, can regulate this 2 parameters.
As for the advertising programme supervision in the second layer coding, the supervision of pirate program and director data, or the like, by the related decision of function coding in the header coding with BITMAP.Header coding and BITMAP have determined having or not of these data item.The data format that it is concrete, its further refinement and expansion have not been enumerated one by one at this.
Certainly,,, communication request is all arranged and reply, promptly in replying, show the result of asking item, perhaps Ren Ke result for the correctness that guarantees to communicate by letter according to the processing of general communication.Provide " data are correctly received " etc. such as sending viewing-data, data acquisition system to reply on the program receiving instrument.Such processing, it is just passable to be mapped on function coding.
According to the method described in the present invention, just can handle the encoded question of program receiving instrument, handle complicated rating process, coding is unified in a kind of coding form, and can expand well with less coded data.
Description of drawings
Fig. 1 viewing-data first level code pattern shows;
Fig. 2 viewing-data coding diagram.
Specific embodiment
Coding method of the present invention will be carried out corresponding refinement in conjunction with concrete function in realization.The concrete processing of enumerating some coding embodiment here describes.
First level in an embodiment of coding method of the present invention, its coding is divided into 5 parts:
● header coding: 3 bytes;
● date codes: 2 bytes;
● BITMAP (data bitmap) coding: 12 bytes;
● data item: variable-length;
● check digit: 8 bytes.
5 titles of part have been described above, have also write the length (this length can be adjusted again) of understanding the each several part coding when specific coding.Referring to accompanying drawing 1.
Wherein, being described as follows of different piece coding:
● the header coding
Length is 3 bytes, and each numerical digit is represented respectively:
1BIT:0/1, the reception/transmission data of expression television program receiving instrument;
7BITS: the function coding of a concrete message of expression, can hold 128 function settings;
3BITS: represent that effective rating at interval.As 5,10,15,20,25,30,35,45 seconds; (3BITS represents to have 8 kinds of selections)
3BITS: invalid channel switches timing at interval.1,2,3,5,10,15,20,25 seconds; (3BITS represents to have 8 kinds of selections)
2BITS: keep.
2BITS: keep.The version that can represent program receiving instrument later on;
6BITS: expression sequence of data packet number.Can represent 64 different packets.
● BITMAP (data bitmap) coding
Length 12 bytes, each numerical digit is represented respectively:
72BITS: expression
Effective watched channel recordWith
Invalid channel switches the timing record" 1 " expression correspondence position is
Effective watched channel record, " 0 " expression correspondence position is
Invalid channel switches the timing record
16BITS: expression advertisement monitoring data, program broadcasts monitoring recording, director data, or the like.Represent having or not of these parameters.
8BITS: keep, be used for other expansion.
● date codes
2 bytes of length, 16BITS, the day moon on expression date.
● data item
Length is variable.Comprise:
The channel viewing-data;
The advertising programme supervision;
Pirate program supervision;
The rating command information;
Other audience information.
● check digit
8 bytes of length.Check digit is that the data item of front in the packet is carried out the result that verification calculates.Check digit has guaranteed the integrality of data.Check digit is carried out the encryption of relevant identity, can guarantee the authentication of communicating pair.
5 above parts have constituted complete viewing-data coding, are first levels of the viewing-data coding of the method for the invention.
On second level, mainly be coding to data item.
Having or not and content of data item, by the header coding, BITMAP (data bitmap) and data item decision itself.
Data item length is variable.Comprise:
● the channel viewing-data;
● the advertising programme supervision;
● pirate program supervision;
● the rating command information;
● other audience information.
Below data item is described:
● the channel viewing-data
The channel viewing-data is made up of following data item:
The length item;
Effective watched channel recordWith
Invalid channel switches the timing recordCombination.
The length item:
8BITS, 1 byte.
First byte of channel viewing-data: 8BITS represents the length item, expression
Effective watched channel recordNumber and
Invalid channel switches the timing recordThe number sum.Can reach 255 at most.
Effective watched channel record:
Length 32BITS, 4 bytes.
One
Effective channel rating recordSpecifying information be:
14BITS (channel coding)+15BITS (temporal information)+3BITS (personal information).
Effective watched channel recordWhen switching for channel, the record of channel, time, personal information." 1 " represents that data corresponding in the viewing-data are one 4 bytes in the BITMAP data bitmap
Effective watched channel RecordBe described as follows:
14BITS: expression channel coding.Digital TV channel is encoded to 13BITS, adds that 1BIT represents digital channel and analog channel coding together;
15BITS: express time information, the temporal information in the same day, 24 hours time-count cycles.
Time every day is: 3600 * 24=86400 second;
With the 15BITS express time, then the unit interval is:
86400 seconds/(2**15=32768)=2.63 second
So 3 seconds is time of day.
3BITS: expression personal information, expression are that who control program switches.Can in conjunction with his identity and work, carry out the analysis of audience ratings whereby to concrete people.
3BITS can represent 8 people, and is enough concerning one family.
Effective watched channel record:
Switch to a channel, the rating time surpasses
Effective channel rating time intervalThe time, then write down one
Effective watched channel record
Effective channel rating time interval:
Switch to the lasting time of a channel rating above after this time, write down one
Effective watched channel RecordThis time period is exactly
Effective channel rating time interval, be set at: 1,5,10,15,20,25,30,45 seconds etc., select and represent with 3BITS.Such as 000BIT, represent 1 second; 001BIT represents 5 seconds; Or the like.
Invalid channel switches the timing record
Length 8BITS, 1 byte.Information is:
The time period of record switching channels; Surpass when this time period
Invalid channel switches timing at interval, and do not have simultaneously on a channel, to continue to watch and surpass
Effective channel rating time intervalThe time produce a data record.This record time of day 1 second; Can represent the longest 255 seconds.The corresponding data of " 0 " expression are one 1 bytes in the BITMAP data bitmap
Invalid channel switches the timing record Invalid channel switches timing at interval:
(channel constantly switches, but the rating of each channel does not all surpass in the invalid channel switching
Effectively inscribe The road rating time interval) above after the regular hour, carry out timing.This time threshold values is exactly
Invalid frequency The road switches timing at intervalInvalid channel switches timing and is set at interval: 1,2,3,5,10,15,20,25 seconds etc.; Select and represent with 3BITS.Such as 000BIT, represent 1 second; 010BIT represents 3 seconds; Or the like.
In addition, for shutting down and starting shooting also to switch and handle with channel:
Shutdown: write down one
Effective watched channel recordThat is all, a special channel being used as in shutdown, all is " 0 " (because channel coding is 14BITS) such as 14BITS.
Shutdown is exactly to write down a time point like this, rather than the duration record.
Start: first channel after the start, no matter how long the duration has, do one
Have Imitate the watched channel record
The channel viewing-data is by the length item, and a plurality of
Effective watched channel recordWith
Invalid channel switches meter Shi JiluCombination form.
Effective watched channel recordWith
Invalid channel switches the timing recordAll be regular length, they have or not and order by the numeric representation of corresponding position among the BTIMAP (data bitmap).Therein, also simultaneously will
StartWith
ShutdownAs one
Effective watched channel recordHandle.So just form the most important viewing-data of program receiving instrument, can reflect the overall process of rating substantially.
When forming the channel viewing-data, 2 important parameters items are arranged:
Effective channel rating time intervalWith
Invalid channel switches timing at intervalAdjust this 2 parameters, can compress the viewing-data record, perhaps improve the accuracy of viewing-data.
● the advertising programme monitoring data
Variable-length.Be used to supervise short program viewership such as advertisement.It is as follows to encode:
8BITS: data type shows it is the advertisement monitoring data;
8BITS: the byte number of expression monitoring data comprises advertisement recognition coding and tagged word number;
10X8BITS: 10 bytes of advertisement recognition coding;
NX8BITS: collect ad data, characteristic of advertisement word sequence has the tagged word of N byte.
For example: advertisement 32 seconds is long.
The output of a tagged word of change in each 0.5 second, such 32 seconds/0.5=64 time.The word length of characteristic of advertisement word is 0.5 byte, and 0.5 * 64=32 byte then arranged.
A complete like this advertisement, the random number sequence of one 32 byte of formation of watching.
Rating promptly forms a random number sequence each time, is exactly an advertising programme monitoring data.
● program broadcasts monitoring data
Regular length, 27 bytes, it is as follows to encode:
8BITS: data type shows it is that program broadcasts monitoring data;
10X8BITS: program coding;
10X8BITS: program watermark;
2X8BITS: channel coding;
2X8BITS: begin the time of watching;
2X8BITS: finish to watch the time.
Such record can reflect that program broadcasted, watching mistake.
● director data
Variable-length, it is as follows to encode:
8BITS: data type shows it is the instruction data;
8BITS: the length of presentation directives's data;
NX8BITS: presentation directives's data content.
As for the specific coding of director data content, not within the scope of the invention.
Examination is enumerated some concrete viewing-data codings method of the present invention is described.
Such as:
■ channel viewing-data
The header coding, BITMAP (data bitmap), the rating record, these data item are all relevant, handle accordingly, referring to accompanying drawing 2.
Such as, upload the viewing-data coding.
Header is encoded to:
11000000,011,011,00,00,000001 (RIT of unit); Expression
Effective channel rating time intervalIt is 10 seconds
Invalid Channel switches timing at intervalBe 5 seconds, sequence number is 000001.(wherein
1The expression program receiving instrument is uploaded data)
BITMAP (data bitmap) is: ABXXXXYYYYZZZZXXXX, 0000,00; 16 systems represent, totally 12 bytes; Expression has only viewing-data, does not have the advertising programme supervision, does not have program to broadcast supervision etc.
Date: 1023,2 bytes, ASCII character is represented October 23.
Data item is:
Has only viewing-data.
First byte of viewing-data is the record count of viewing-data, comprises
Effective watched channel recordWith
Invalid channel switches the timing recordThe number sum.Such as length is 08.Expression has 8 rating recorded informations, and preceding 8 BITMAP are effective.
Viewing-data this as:
Preceding 8 of correspondence is the AB of 16 systems among the BITMAP, and its corresponding BIT is expressed as:
1010,1011; Then corresponding is recorded as:
Effective watched channel record+
Invalid channel switches the timing record+
Effective watched channel record+
Invalid channel switches the timing record(the rating record of A correspondence)
Effective watched channel record+
Invalid channel switches the timing record+
Effective watched channel record+
Effective watched channel record(the rating record of B correspondence)
Check digit is: 1234567812345678 (8 bytes are such as representing with 16 systems) are encoded to altogether:
Header is encoded to: C06E01 (be 11000000,011,011,00,00,000001 16 systems are represented, upload viewing-data);
BITMAP is: ABXXXXYYYYZZZZXXXX, 0000,00;
Date is: 1023;
Data item is:
Length is: 08; (with reference to the bitmap of AB: 1010,1011 records are as follows :)
Viewing-data is:
ABCEABCD+
55+
12341234+
33，
56785678+
11+
AAAABBBB+
22
Check digit is: 1234567812345678 (supposing so to be actually computing and to form)
Then this viewing-data is encoded to:
Long altogether 44 bytes of these data, having shown has 4 effective rating records and 4 invalid channels to cut
Change the data of timing record.Above data all are that 16 systems are represented.
Top " X, Y, Z " expression can be an arbitrary value.
The ■ director data:
Such as the instruction television program receiving instrument after receiving instruction, in 24 per hour on send viewing-data.
Then digital coding is as follows:
Header is encoded to:
01000000,000,000,00,00,000000 (BIT of unit); Have only function coding partly to work.Being converted into 16 systems is exactly: 400000.(
0The data that the expression program receiving instrument receives)
BITMAP (data bitmap) is: XXXXYYYYXXXXZZZZXY, 0000,80; 16 systems represent that 80 expression data item wherein have one to be instruction items.Viewing-data first byte value is 0, and expression does not have channel to switch record.Then the data bitmap is:
XXXXYYYYXXXXYYYYXY000080。
Date: 1023,2 bytes, ASCII character is represented October 23.
Data item is:
Viewing-data first byte value is 00, and expression does not have channel to switch record.
Director data is arranged in the data item.Whether having only director data, is to determine that by the function coding that header is encoded these data are instructions that acquisition system is assigned the program receiving instrument terminal.
Command length, 1 byte, numerical value is 03.
Data item is a variable-length, by a byte representation, for example: 03.Presentation directives's data are 3 bytes.
Such as: the instruction television program receiving instrument is being received when instruction, send viewing-data on every passing hour.
Then command coding can be:
10，01，24；
The meaning is 10: presentation directives send viewing-data on being,
01: one hour once;
24: in 24 hours, act on this instruction, the instruction term of validity.
Data item is exactly like this: 0003100124.(the coding details of instruction is not involved in the present invention certainly)
Suppose that check code is: 1111222211112222, then stack up, this director data is encoded to:
Top " X, Y, Z " expression can be an arbitrary value.
Other situation of ■
For other situation, coding is similar.Do not enumerating one by one at this.
Cast aside data item, other coded portion of ground floor has 25 bytes:
(BITMAP)+2 (date)+8 (check digit)=25,3 (header coding)+12;
Be effective viewing-data and director data on this basis.
With regard to the versatility of coding, length that can the restricting data bag.Yet, if when transmitting, need the restricting data packet length by conditional communication mode.
Such as passing through short message mode Data transmission, a short message length is 144 bytes.
The whole length of packet will be controlled in 144 bytes like this, so that a short message just can be transmitted a complete viewing-data bag.For high efficiency transmission, if data are many, can the separate groups bag, show ordinal relation between the packet by the sequence number of bag.
Owing to reset the rating parameter, then the viewing-data that generates of different parameters also is divided into different packets and handles.
The processing of this fractionation viewing-data is supported in coding method of the present invention.
The present invention focuses on a kind of Methods for Coding of explanation, and the realization of specific coding and length parameter of certain specific coding or the like all can change.
Claims (7)
1. the method for a television program receiving instrument digital coding is characterized in that, described method is divided into 2 levels with the digital coding of program receiving instrument:
First level comprises:
● the header coding;
● the date;
● BITMAP (data bitmap);
● data item (corresponding) with BITMAP;
● check digit.
With the header of first level coding and BITMAP corresponding, determined the composition of data item on second level.The data item of second level comprises following classification:
● viewing-data;
● the parameter setting;
● the advertising programme supervision;
● pirate program supervision;
● director data.
The second layer is the further refinement on the basis of ground floor.Ground floor has defined the construction module of data, and the second layer is the treatment of details of each viewing-data of refinement again.On the basis of ground floor, the second layer is further expanded according to demand.
2. the method for a kind of television program receiving instrument digital coding according to claim 1 is characterized in that, the coding of described first level is as follows:
● the header coding;
● the date;
● BITMAP (data bitmap);
● data item (corresponding) with BITMAP;
● check digit.
Wherein, the functional definition of various piece is as follows:
● the header coding
Identify and defined:
System sends/reception information, and the program receiving instrument terminal receives/send information;
Function coding, the function of sign different pieces of information message;
The rating parameter identification shows the parameter selection that current viewing-data forms;
The viewing-data sequence number shows context in proper order between the data message.
● the date
The date that the sign message sends.
● BITMAP (data bitmap)
Defined the data qualification of correspondence in the data item; Whether " 0 " of its numerical value and " 1 " expression data item exist.
● check digit
According to rule, in order to the integrality of the whole message data of verification.The key of available agreement is encrypted check digit, so that the mutual authentication between program receiving instrument terminal and the system to be provided.
● data item (corresponding) with BITMAP
Data item comprises: viewing-data and director data.
In first level, header coding and BITMAP, and data item is an internal association.Its internal association is to define different packets, and this definition can constantly be expanded.
3. the method for a kind of television program receiving instrument digital coding according to claim 1 is characterized in that, on second level of coding, data item comprises:
● viewing-data;
● the parameter setting;
● the advertising programme supervision;
● pirate program supervision;
● director data.
4. the method for a kind of television program receiving instrument digital coding according to claim 3 is characterized in that, the function items and the BITMAP (data bitmap) of header coding have represented having or not and what of viewing-data.The sorting code number of viewing-data is as follows:
Effective watched channel record: the channel+time+personal information record of effective rating;
Invalid channel switches the timing record: the information record of the time period that channel switches.
With continuous
Effective watched channel recordWith
Invalid channel switches the timing recordWrite down all processes of rating.One class and the part of these composition data items.
5. the method for a kind of television program receiving instrument digital coding according to claim 4 is characterized in that, in the coding of viewing-data, the operation of startup and shutdown is carried out the similar processing of switching with channel:
● shutdown: as special channel number record
Effective watched channel record
● start: an effective channel switches record
Effective watched channel record
6. the method for a kind of television program receiving instrument digital coding according to claim 3 is characterized in that, the parameter setting of viewing-data wherein comprises 2 important parameters:
Effective channel rating time intervalWith
Invalid Channel switches timing at interval:
●
Effective channel rating time interval:
When switching on the channel, the rating time surpasses
Effective channel rating time intervalThe time, with regard to record
Effectively The watched channel record, comprise channel coding+switching time+personal information.
●
Invalid channel switches timing at interval:
In switching, each channel rating time does not all reach
Effective channel rating time interval, and the time of switching surpasses
Invalid channel switches timing at intervalThe time, with regard to length writing time, do one
Invalid channel switches the timing record
These 2 parameters will record direct influence to viewing-data.Parameter is set, and promptly mainly is that this 2 parameters are set, and other parameter.
7. the method for a kind of television program receiving instrument digital coding according to claim 2, it is characterized in that, function coding and BITMAP (data bitmap) in the header coding, determined the content of data item, comprise in the data item: viewing-data record, advertising programme supervision, the supervision of pirate program and director data, or the like.In conjunction with header coding and BITMAP (data bitmap), determined having or not of these data item.The data format that it is concrete, further refinement and expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100909538A CN1604637A (en) | 2004-11-12 | 2004-11-12 | A data coding method for television program receiving instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100909538A CN1604637A (en) | 2004-11-12 | 2004-11-12 | A data coding method for television program receiving instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964790A (en) * | 2010-09-26 | 2011-02-02 | 北京易视腾科技有限公司 | Method for realizing video frequency interaction |
| CN105657470A (en) * | 2015-12-31 | 2016-06-08 | 深圳市海云天科技股份有限公司 | Bitmap type video browsing recording method and system |
-
2004
- 2004-11-12 CN CNA2004100909538A patent/CN1604637A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964790A (en) * | 2010-09-26 | 2011-02-02 | 北京易视腾科技有限公司 | Method for realizing video frequency interaction |
| CN105657470A (en) * | 2015-12-31 | 2016-06-08 | 深圳市海云天科技股份有限公司 | Bitmap type video browsing recording method and system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |