CN1291387C - Writeable optical recording media and its preset information reading method and circuit - Google Patents
Writeable optical recording media and its preset information reading method and circuit Download PDFInfo
- Publication number
- CN1291387C CN1291387C CN 200410000104 CN200410000104A CN1291387C CN 1291387 C CN1291387 C CN 1291387C CN 200410000104 CN200410000104 CN 200410000104 CN 200410000104 A CN200410000104 A CN 200410000104A CN 1291387 C CN1291387 C CN 1291387C
- Authority
- CN
- China
- Prior art keywords
- waveform
- signal
- preset information
- wow
- flutter
- 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
Images
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
The present invention relates to a writeable optical recording media, a preset information reading method thereof, and circuits, which contains preset information. The writeable optical recording media containing the preset information is provided with a substrate with a twist guiding groove. The guiding groove has regular snaking wow and flutter under the microscopic state. The present invention is characterized in that the present invention comprises a first waveform, a second waveform and a third wave form which have the same basic waveform period; the ratio of the half period and the back half period of the first waveform is 1; the front half period and the back half period of the second waveform and the third waveform respectively have different ratio, and the preset information is recorded by the combination of the different ratio. In addition, the present invention also discloses the preset information reading method and the circuits. The present invention more exactly obtains the preset information signals by using the steps, such as phase adjustment, integration, resetting, etc., after obtaining the snaking wow and flutter signals.
Description
Technical field
The present invention relates to a kind ofly write the formula optical record medium and read mechanism, particularly a kind of writeable optical recording media and its preset information reading method and circuit that contains preset information.
Background technology
Can to write the formula discs and under the state of blank, can be carried out address and parameter identification in order to allow by CD-ROM drive, the manufacturer that makes discs must be preset in some information on the blank CD, and these information include manufacturer's identification code, suggestion and write best power, disc and can write rising up to the actual address in address and most important each joint district (sector) or the like of zone.If these information directly though can utilize simple circuit directly to detect, can be taken the data recording space that the user can use pre-quarter (or pre-recording) in data-signal on the block rail road (land) of data-track.So the common practice is that this information is preset in the servosignal, but so must in servo channel, increase the testing circuit of this presupposed information again, and the delay (latency) of decoding is unfavorable for quick random access.
Information with the CD-R/RW disc is predisposed to example, with frequency modulating (Frequency Modulation, FM) mode with the information modulation in the groove wow and flutter.This wow and flutter is the string ripple of 23.05 KHz (KHz) or 21.05 KHz (KHz), wherein the high frequency of 23.05 KHz (KHz) is expressed as " 1 ", 21.05 the low frequency of KHz (KHz) is expressed as " 0 ", but the loaded information amount is 42 75 hertz of (bit) * (Hz) under rated rotational frequency, and its detection method need be used the two poles of the earth phase lock circuitry.
And adopt another kind of mechanism to come preset information on the disc of another kind of DVD+RW, adopt phase modulation (Phase Modulation, PM) mode with the information modulation in the groove wow and flutter.This wow and flutter is the single-frequency string ripple of 817.5KHz, and be cycle of zero degree to represent " 0 " with the start-phase, with start-phase is 180 cycles of spending to represent " 1 ", and the detection method of its preset information need be used high speed analog-to-digital integrated circuit (IC) chip and phase lock circuitry.
And its guide groove also has wow and flutter on the DVD-R/RW disc, this wow and flutter is the single-frequency string ripple of a 140.6KHz, but not being used for writing down preset information, this wow and flutter groove only do not use for rotating speed control, the position of physical record preset information is in so-called " Prepit ", and the detection of its signal only needs comparer and wave filter to get final product.More than three kinds of preset informations and the mechanism that reads thereof all be to be hidden in the servosignal, then directly with in the read-only region of preset information class before each joint district, disc player can directly detect these information to the DVD disc in data-signal.Yet, how can reduce the circuit complexity of the mechanism of reading and make it be suitable for quick random access, still be the important goal of the preset information mechanism development of discs.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of writeable optical recording media and its preset information reading method and circuit that contains preset information, to solve the above problems.
The information that writes the formula optical record medium disclosed in this invention also presets preset information is hidden in the servosignal, but be not with simple phase modulation or frequency modulating mode with the information modulation in the wow and flutter groove, but a fixed frequency just/cosine wave (CW) is in the cycle, the ratio in semiperiod and later half cycle before changing, the logical signal of representing " 0 " and " 1 " respectively, therefore discs information preset mode disclosed in this invention is called phase place ratio modulation (Phase Ratio Modulation, PRM).
According to above-mentioned notion, the formula optical record medium system that writes disclosed in this invention is made of the substrate that is provided with the spiral fashion guide groove, be the zone that the user can write down in the groove, and groove originally has the regular wow and flutter that crawls under microcosmic, phase change in this wow and flutter cycle can detect in the circulation orbital servo signal, to store preset information.
Therefore, for reaching above-mentioned purpose, the present invention discloses a kind of write formula optical record medium that contains preset information, include the substrate recording layer surperficial with it, substrate surface is carved with spiral helicine guide groove (pregroove), it is in order to provide the circulation orbital servo signal, the track of guide groove is the helix with wow and flutter that crawls (wobble) a little, its wow and flutter that crawls comprises first waveform that the basic waveform cycle is identical, second waveform and the 3rd waveform, the preceding semiperiod of first wave mode is identical with the later half cycle, the ratio in preceding semiperiod and later half cycle is that 1, the second waveform then respectively has different ratios with the preceding semiperiod and the later half cycle of the 3rd waveform.Utilize preceding semiperiod of each waveform and the different characteristic of later half cycle ratio (duty cycle), can make second waveform and the 3rd waveform represent logical zero and logical one respectively, and the preset information of optical record medium is recorded in the wow and flutter that crawls by aforementioned 0 and 1 combination, and the cycle of each waveform all can be represented one preset information.Wherein, first waveform, second waveform and the 3rd waveform can be sinusoidal waveform, or three kinds of waveforms all can be cosine waveform.
Cooperate above-mentioned the write formula optical record medium that contains preset information, the present invention discloses a kind of preset information read method that writes the formula optical record medium, at first in a circulation orbital servo signal, take out the wow and flutter signal that crawls, the signal of the non-wow and flutter signal band that crawls of filtering; According to the wow and flutter signal that crawls, export a clock and produce signal, to write the benchmark of clock as generation; The phase shift of the clock generating signal being made 90 degree produces phase adjustment signal; Crawl wow and flutter signal and its rising edge and negative edge according to phase adjustment signal reset of integration is with the wow and flutter signal that crawls of output integration and replacement; The wow and flutter signal that crawls of cutting integration and replacement is as the preset information signal.
Cooperation can write the preset information read method of formula optical record medium, the present invention comprises that also a kind of preset information that writes the formula optical record medium reads circuit, it comprises: bandpass filter, in order to receive a circulation orbital servo signal and to export the wow and flutter signal that crawls, the signal of the non-wow and flutter signal band that crawls of filtering; The phase-locked loop according to the wow and flutter signal that crawls, is exported a clock and is produced signal, to write the benchmark of clock as generation; Phase regulator is obtained the clock generating signal and is done the phase shift of 90 degree to produce phase adjustment signal; Integration and reset circuit are in order to crawl wow and flutter signal and its rising edge and negative edge according to phase adjustment signal reset of integration, with the wow and flutter signal that crawls of output integration and replacement; Clipper circuit, the wow and flutter signal that crawls of cutting integration and replacement solves preset information as the preset information signal so that decoding scheme to be provided.Wherein, preset information can comprise disc information and position code, i.e. Disk Information and Addressing Code.
Description of drawings
Fig. 1 is the write formula optical record medium structural representation that contains preset information of the present invention;
Fig. 2 A and Fig. 2 B are preset information method for expressing synoptic diagram disclosed in this invention;
Fig. 3 is a circuit block diagram of obtaining the preset information signal; And
Fig. 4 reads the circuit block diagram of circuit for preset information.
Description of reference numerals
100 preset informations read circuit 110 bandpass filter
120 phase-locked loops, 130 phase regulators
140 integrations and reset circuit 150 clipper circuits
200 write clock generation circuit 300 decoding schemes
400 circulation orbital servo signals, 510 groove tracks roads
The 520 block rail roads 530 wow and flutter position of crawling
Embodiment
For making purpose of the present invention, structural attitude and function thereof are had further understanding, conjunction with figs. is detailed
Be described as follows:
General the write formula optical record medium that contains preset information; comprise protective seam (Protection Layer), reflection horizon (Reflection Layer), recording layer (Recording Layer) and substrate (Substrate) etc. as the discs structure; the function of protective seam is to avoid oxidation or scratch in order to the protection reflection horizon, and as the bottom surface of printing.The reflection horizon is in order to the reflector laser light signal.Substrate is mainly in order to carry above-mentioned each layer and transmission laser light.Recording layer can provide the user to utilize the laser and/write head to write data, and before not being used, it is so-called blank, recording layer material is kept uniform state, but the then non-flat form of substrate, go out guide groove (pregroove) but be carved with to external spiral, the foundation when the acting on of this guide groove provides servo-drive system to do blank to follow rail along the center of substrate.Data are noted down in guide groove and are formed track bar (groove track).
Please refer to Fig. 1, be the write formula optical record medium structural representation that contains preset information of the present invention, substrate surface comprises groove tracks road (groove) 510 and the block rail road (land) 520 of interlaced setting, spiral helicine guide groove helix no all roses, but have a little the wow and flutter that crawls (wobble) position 530, and write down preset information by this.When the CD-ROM drive reading of data, the wow and flutter signal that crawls that wow and flutter position 530 produced that crawls can carry on the circulation orbital servo signal, but the frequency of wow and flutter signal is far above the scope that cyclic track servo system detected, so can use testing circuit that the wow and flutter signal is come from the circulation orbital servo Signal Separation owing to crawl.Therefore, this wow and flutter signal can be utilized to write down preset information.
Wherein, the wow and flutter that crawls comprises the first identical waveform of basic waveform cycle, second waveform and the 3rd waveform, the preceding semiperiod of first wave mode is identical with the later half cycle, and the ratio in preceding semiperiod and later half cycle is that 1, the second waveform respectively has different ratios with the preceding semiperiod and the later half cycle of the 3rd waveform.Second waveform and the 3rd waveform can be used to represent respectively logical zero and logical one, and preset information can be recorded in by aforementioned 0 and 1 combination in the wow and flutter that crawls, and the cycle of each waveform all can be represented one preset information.With the sinusoidal waveform is example, please refer to Fig. 2 A and Fig. 2 B, be preset information method for expressing synoptic diagram disclosed in this invention, each sine-shaped basic cycle that the wow and flutter position of crawling comprises is identical, all represent 1 data, but the ratio in preceding semiperiod and later half cycle (duty cycle) is inequality.Second waveform shown in Fig. 2 A, the ratio in its preceding semiperiod and later half cycle is less than 1, semiperiod promptly, (phase place is by zero degree to one 180 degree) shorter one was defined as EW (early wobble) with it, and the 3rd waveform shown in Fig. 2 B, the ratio in its preceding semiperiod and later half cycle is greater than 1, and promptly (phase place is spent 360 deg by 180) shorter one of later half cycle is called LW (late wobble).Since digital signal only have 0 with 1 two kind of expression mode, therefore if represent " 0 " with EW, LW represents " 1 ", can guide groove then can comprise the combination in any of EW and LW, with the storage preset information.And for the ease of the difference of analyzing each waveform and the information of representative thereof, the preceding semiperiod of second waveform and the ratio in later half cycle are less than 1, and then the ratio in the preceding semiperiod of the 3rd waveform and later half cycle is greater than 1; Otherwise the preceding semiperiod of second waveform and the ratio in later half cycle are greater than 1, and then the ratio in the preceding semiperiod of the 3rd waveform and later half cycle is less than 1.
The present invention cooperates aforesaid the write formula optical record medium that contains preset information to propose a preset information read method and a circuit, in order to read the information in the wow and flutter that crawls that is preset in guide groove.
Please refer to Fig. 3, it is a circuit block diagram of obtaining the preset information signal, including preset information reads circuit 100, writes clock generation circuit 200 and DIAC (Disk Information and AddressingCode, i.e. disc information and position code) decoding scheme 300.Preset information reads circuit 100 and receives a circulation orbital servo signal 400, and output clock generating signal is to writing clock generation circuit 200, and exports the treated wow and flutter signal that crawls to DIAC decoding scheme 300.
When CD-ROM drive read the write formula optical record medium that contains preset information disclosed in this invention, the preset information that is recorded in the spiral-guide groove will be with crawl wow and flutter signal and being equipped in the circulation orbital servo signal 400 of be combined to form different with LW of EW.
Preset information reads circuit 100 output clock generating signals to writing clock generation circuit 200 with as the foundation that writes clock generating.Generation writes clock according to the clock generating signal to write clock generation circuit 200, for data are write fashionable fundamental clock.When CD-ROM drive carrying disc sheet rotated, rotating speed was not to continue to be maintained at a fixing speed, produced along with the difference of time point has a little error, so will make the crawl frequency of wow and flutter signal change always.For fear of causing the data that can't write data or write error because of the relation of speed and frequency error, the fixed-frequency in the time of must will writing data, this frequency are then relevant with the frequency of the wow and flutter signal that crawls.
Preset information reads circuit 100 except output clock generating signal, exports the preset information signal simultaneously to the DIAC decoding scheme.The wow and flutter signal that crawls comprises three kinds of basic waveforms, is an analog signal form; And the preset information signal of wow and flutter signal through being exported after handling that crawl is the digital signal of representative preset information, for system, and the waveform of forming for a succession of logical zero and logical one.Therefore, preset information reads the preset information signal that circuit 100 exported will input to DIAC decoding scheme 300, to solve the preset information that is recorded on the guide groove.
And as how more accurately mode read out the preset information signal, depend on that then preset information reads circuit.Please refer to Fig. 4, it reads the circuit block diagram of circuit for preset information, and it comprises: bandpass filter 110, phase-locked loop 120, phase regulator 130, integration and reset circuit 140 and clipper circuit 150.
Bandpass filter 110 receives circulation orbital servo signal 400 and output is crawled the wow and flutter signal to the phase-locked loop, the wow and flutter signal is different with the frequency of circulation orbital servo signal 400 owing to crawl, so characteristic that can only allow the frequency signal of certain frequency band to pass through by bandpass filter 110, the signal of the non-wow and flutter signal band that crawls of filtering, the wow and flutter Signal Separation of will crawling is come out.120 of phase-locked loops are according to the wow and flutter signal that crawls that is received, and output clock generating signal is to writing clock generation circuit 200, to write the benchmark of clock as generation.Simultaneously, phase regulator 130 receives this clock generation signal and does 90 phase shifts of spending to produce phase adjustment signal; Integration and reset circuit 140 are in order to crawl wow and flutter signal and its rising edge and negative edge according to phase adjustment signal reset of integration, with the wow and flutter signal that crawls of output integration and replacement; The wow and flutter signal that crawls of clipper circuit 150 cutting integrations and replacement solves preset information as the preset information signal so that DIAC decoding scheme 400 to be provided.Preset information exports DIAC decoding scheme 400 to, and signal interpretation goes out information corresponding according to preset information by DIAC decoding scheme 400.
Write formula optical record medium and read method and the circuit that contains preset information disclosed in this invention has the characteristic that can read the preset information signal fast and accurately and not account for record space.
Though preferred embodiment of the present invention openly as mentioned above; right its is not in order to limit the present invention; any those of ordinary skill; without departing from the spirit and scope of the present invention; therefore when the change that can do some and modification, scope of patent protection of the present invention must be looked this instructions claim person of defining and is as the criterion.
Claims (10)
1. write formula optical record medium that contains preset information includes:
One substrate, be carved with a spiral helicine guide groove, in order to a circulation orbital servo signal to be provided, the track of this guide groove is a helix that crawls wow and flutter that has a little, this wow and flutter that crawls comprises several first waveforms that the basic waveform cycle is identical, second waveform and the 3rd waveform, the preceding semiperiod of this first waveform is identical with the later half cycle, the ratio in preceding semiperiod and later half cycle is 1, the preceding semiperiod of this second waveform and the ratio in later half cycle are less than 1, the preceding semiperiod of the 3rd waveform and the ratio in later half cycle greater than 1 or the ratio in preceding semiperiod of this second waveform and later half cycle greater than 1, the preceding semiperiod of the 3rd waveform and the ratio in later half cycle are less than 1, to make this second waveform and the 3rd waveform represent logical zero and logical one respectively, to write down a preset information by the combination of this second waveform and the 3rd waveform; And
One recording layer covers this substrate, writes data to provide.
2. the write formula optical record medium that contains preset information as claimed in claim 1 is characterized in that, each cycle of this first waveform, this second waveform and the 3rd waveform all can be represented one preset information.
3. the write formula optical record medium that contains preset information as claimed in claim 1 is characterized in that, this first waveform, this second waveform and the 3rd waveform are sinusoidal waveform.
4. the write formula optical record medium that contains preset information as claimed in claim 1 is characterized in that, this first waveform, this second waveform and the 3rd waveform are cosine waveform.
5. preset information read method that can write the formula optical record medium, in order to read the preset information of the write formula optical record medium that contains preset information, can write the formula optical record medium and include a substrate, this substrate is carved with a spiral helicine guide groove, in order to a circulation orbital servo signal to be provided, the track of this guide groove is a helix that crawls wow and flutter that has a little, and its step comprises:
From this circulation orbital servo signal, take out one of this wow and flutter that crawls wow and flutter signal that crawls, the signal of non-this the wow and flutter signal band that crawls of filtering, this wow and flutter that crawls comprises several first waveforms that the basic waveform cycle is identical, second waveform and the 3rd waveform, the preceding semiperiod of this first waveform is identical with the later half cycle, the ratio in preceding semiperiod and later half cycle is 1, the preceding semiperiod of this second waveform and the ratio in later half cycle are less than 1, the preceding semiperiod of the 3rd waveform and the ratio in later half cycle greater than 1 or the ratio in preceding semiperiod of this second waveform and later half cycle greater than the ratio in preceding semiperiod of 1, the three waveform and later half cycle less than 1;
According to this wow and flutter signal that crawls, export a clock and produce signal;
The phase shift of this clock generating signal being made 90 degree produces a phase adjustment signal;
This wow and flutter signal and this wow and flutter signal that crawls reset according to the rising edge and the negative edge of phase adjustment signal of crawling of integration is to export the wow and flutter signal that crawls of an integration and replacement; And
The wow and flutter signal that crawls that cuts this integration and replacement is as a preset information signal.
6. the preset information read method that writes the formula optical record medium as claimed in claim 5 is characterized in that, this clock generating signal is in order to write the benchmark of clock as generation one.
7. the preset information read method that writes the formula optical record medium as claimed in claim 5 is characterized in that, the preset information after this preset information decoding comprises a disc information and a position code.
8. the preset information that can write the formula optical record medium reads circuit, in order to read the preset information of the write formula optical record medium that contains preset information, can write the formula optical record medium and include a substrate, this substrate is carved with a spiral helicine guide groove, in order to a circulation orbital servo signal to be provided, the track of this guide groove is a helix that crawls wow and flutter that has a little, and this preset information reads circuit and comprises:
One bandpass filter, in order to receive a circulation orbital servo signal and to export one of this wow and flutter that crawls wow and flutter signal that crawls, the signal of non-this the wow and flutter signal band that crawls of filtering, this wow and flutter that crawls comprises several first waveforms that the basic waveform cycle is identical, second waveform and the 3rd waveform, the preceding semiperiod of this first waveform is identical with the later half cycle, the ratio in preceding semiperiod and later half cycle is 1, the preceding semiperiod of this second waveform and the ratio in later half cycle are less than 1, the preceding semiperiod of the 3rd waveform and the ratio in later half cycle greater than 1 or the ratio in preceding semiperiod of this second waveform and later half cycle greater than the ratio in preceding semiperiod of 1, the three waveform and later half cycle less than 1;
One phase-locked loop according to this wow and flutter signal that crawls, is exported a clock and is produced signal;
One phase regulator is obtained this clock generating signal and is done the phase shift of 90 degree to produce a phase adjustment signal;
One integration and reset circuit, this wow and flutter signal and its rising edge and negative edge according to this phase adjustment signal reset of crawling in order to integration is to export the wow and flutter signal that crawls of an integration and replacement; And
One cutting circuit, the wow and flutter signal that crawls that cuts this integration and replacement is as a preset information signal.
9. the preset information that writes the formula optical record medium as claimed in claim 8 reads circuit, it is characterized in that, this clock generating signal is in order to write the benchmark of clock as generation one.
10. the preset information that writes the formula optical record medium as claimed in claim 8 reads circuit, it is characterized in that, the preset information after this preset information decoding comprises a disc information and a position code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410000104 CN1291387C (en) | 2004-01-02 | 2004-01-02 | Writeable optical recording media and its preset information reading method and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410000104 CN1291387C (en) | 2004-01-02 | 2004-01-02 | Writeable optical recording media and its preset information reading method and circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1641753A CN1641753A (en) | 2005-07-20 |
| CN1291387C true CN1291387C (en) | 2006-12-20 |
Family
ID=34866630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410000104 Expired - Fee Related CN1291387C (en) | 2004-01-02 | 2004-01-02 | Writeable optical recording media and its preset information reading method and circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1291387C (en) |
-
2004
- 2004-01-02 CN CN 200410000104 patent/CN1291387C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1641753A (en) | 2005-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8644119B2 (en) | Record carrier and apparatus for scanning the record carrier | |
| CN101197149B (en) | Record carrier | |
| CN1206644C (en) | Optical disk with region constant angular speed oscillation | |
| US7394748B2 (en) | Method and apparatus for optical disk recording capable of reducing settling time and generating an accurate channel clock signal | |
| CN100568364C (en) | Record carrier and the device that is used to scan this record carrier | |
| US7397757B2 (en) | Record carrier with a servo track having wobble with reduced cross-talk and an apparatus for scanning the record carrier | |
| CN1291387C (en) | Writeable optical recording media and its preset information reading method and circuit | |
| CN1276428C (en) | Record carrier and apparatus for sacnning the record carrier | |
| CN1263018C (en) | Writable type optical recording media possible to preset information in and reading circuit | |
| US8059521B2 (en) | Optical recording carrier, signal generating apparatus, information recording method, and information reading apparatus | |
| JP2006521652A (en) | Multi-layer optical disc with pre-groove modulation | |
| JP3622766B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622767B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622759B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622768B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622765B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622769B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622764B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622760B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622762B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3674626B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3674628B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3674629B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3622763B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus | |
| JP3674627B2 (en) | Disc-shaped recording medium and recording / reproducing apparatus |
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 |
Granted publication date: 20061220 Termination date: 20150102 |
|
| EXPY | Termination of patent right or utility model |