CN101042882A - Drawing control method for special CD volume label surface of optical disc RW - Google Patents
Drawing control method for special CD volume label surface of optical disc RW Download PDFInfo
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- CN101042882A CN101042882A CN 200610065576 CN200610065576A CN101042882A CN 101042882 A CN101042882 A CN 101042882A CN 200610065576 CN200610065576 CN 200610065576 CN 200610065576 A CN200610065576 A CN 200610065576A CN 101042882 A CN101042882 A CN 101042882A
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Abstract
This invention relates to one description control method for special disc roller label of recorder, which comprises the following steps: one recorder detects the special images area in the disc to generate one inner ring signal and one outer one and accordingly detects one position pattern and starts timing on the position pattern; when the recorder detects one rectangle wave of the inner signal stops timing and gets one timer definition as one special wave; according to time and recorder several element computes one special value; rotating the materials as special value and starting description from initial description wheel.
Description
Technical field
The present invention is the plotting method for a kind of discs back side label face, refers to that especially CD writer can be in the drawing control method of special light disc filemark surface.
Prior art
Because CD writer has the characteristic that a large amount of computer datas is backed up, with and the write formula discs of being arranged in pairs or groups on market, belong to the comparatively commodity of low price general, therefore, with regard to present computer industry, no matter CD writer is on personal computer or mobile computer, all has been a kind of indispensable vital computer accessory; In addition; carry out the user of data backup for often using CD writer; after on appearance is the write formula discs of set pattern, having backed up important archives material; usually can find the discs label face of dullness and don't the special individualized pattern of tool; the data that can't represent burning of own institute and backup to finish appositely; and traditional practice is to utilize Mike's pen or CD special pens; indicate the title of institute's backup information at the label face of discs; yet just utilize the printer that now can be used to print discs back side label more on the market at last; carry out user oneself pattern of being liked and the printing of representing the literal of its archives material; also might be because the weight distribution inequality of print paper; or the paper of being printed is pasted not strongly solid at the label face of this discs; being easy to generate comes off blocks the situation of CD writer, thereby may cause the difficulty that reads.
Therefore, at this problem, the production firm that some discs are just arranged at present on the market develops a kind of particular dye and be coated with the label face that is plotted in the discs back side and form a special light disc, and utilizes CD writer to describe the technology of pattern or literal on the label face; The pattern that the label face of this special light disc indicates or the technology of describing of literal are discs after the data backup of data face (Data Layer) is finished, put back again in its CD writer after the turn-over separately, the particular dye layer of laser beam irradiation on this light discs label face that uses the optical read/write head in this CD writer to get, make dye coating can produce chemical reaction thereby can show pattern or the literal that the user wants, the but present restriction of this technology is the pattern that only can draw out serigraphy or GTG on this particular dye layer.
Seeing also Fig. 1 (a), is the synoptic diagram for a special light disc.This special light disc 10 radius 60mm, the zone of its information data area (Information Area) 11 between radius 22.35mm to 59mm, and inner ring has the center hole (Center Hole) 12 of a radius 7.5mm, and between center hole 12 and information data area 11, one specific pattern zone 13 being arranged near information data area 11 parts, this specific pattern zone 13 is as the position of rotation control purposes of CD writer when the label face at these special light disc 10 back sides is described.Shown in Fig. 1 (b), be specific pattern area schematic for this special light disc.This specific pattern zone is positioned at outside the center hole 12, can divide into outer ring (Outer Ring) 14 and 16 2 parts of inner ring (InnerRing) again.Inner ring 16 is provided with 400 spokes that exist in the equal angles mode (spoke), that is spoke zero (Spoke 0) is to spoke three nine-day periods after the winter solstice nine (Spoke 399).And outer ring 14 is to comprise for pattern that shape differs: disc identification code (Media ID), saw tooth pattern (SawTooth), index marker (Index Mark).In general, the pattern of outer ring 14 is to utilize optical read/write head to read.And the pattern of inner ring 16 is that a spoke detector (Spoke Detector) is set in the CD writer inboard, in order to the spoke of detecting inner ring.
Seeing also Fig. 2 (a), is to be CD writer inside spoke detector and optical read/write head synoptic diagram.After special light disc 10 placed CD writer, special light disc 10 can drive and rotates by rotating disk (Turn Table) 50 carryings and by Spindle Motor (Spindle Motor) 60.In order to read the information in the specific pattern zone 13, utilize an optical read/write head 80 and a spoke detector 70 to carry out reading of outer ring 14 and inner ring 16 individually in the CD writer.Spoke detector 70 is to be fixed in the CD writer, and it comprises a light source and an optical receiver, and light source can be launched the inner ring 16 of light beam irradiates in specific pattern zone 13, in order to produce ring signal (perhaps spoke signal) in.And being control via step motor (Stepping Motor), optical read/write head 80 can in CD writer, move radially, therefore, the outer ring 14 that optical read/write head 80 can move to specific pattern zone 13 is in order to reading identification code, saw tooth pattern and index marker, and then optical read head can produce outer ring signal.Afterwards, describing of label face carried out in the zone that moves to the label face again.Because the pattern of inner ring 16 is the spokes that exist in the equal angles mode for 400, therefore, the spoke signal that optical receiver produced can produce the square-wave signal of responsibility cycle (Duty Cycle) 50%.That is, when optical receiver produces the square wave of one-period, represent special light disc 10 to be rotated one of four percentages and enclose, and on behalf of the special light disc, square wave be rotated a circle when occurring 400 times.
When special light disc 10 is inserted CD writer and is carried out describing of label face, CD writer must utilize the pattern of outer ring 14 in the specific pattern zone 13 and 16 2 parts of inner ring to find out the initial spoke of describing on the special light disc 10 simultaneously, this is initial describe spoke can for spoke zero (Spoke 0) to spoke three nine-day periods after the winter solstice nine (Spoke 399) any one.In general, the CD burning chance is set in the zero position of spoke with the initial spoke of describing.After the initial position of describing spoke was determined, CD writer was as long as continue the position of rotation that the square wave number of ring signal in the counting can be learnt special light disc 10, and this is the deciding means of CD writer position of rotation when describing the special light disc filemark surface.
Moreover according to the standard of specifications, the length of the chequered with black and white pattern of square (disc identification code, index marker) in the middle of the outer ring 14 is to be least unit with 1/4th spokes.And a location pattern is arranged in the index marker in outer ring 14, its length is the chequered with black and white pattern of ten units, five units, five units, five units, and the trailing edge of location pattern is the starting point of spoke three nine-day periods after the winter solstice five.That is to say, when optical read/write head detects the location pattern and when producing the outer ring signal of ten units, five units, five units, five units, according to the standard of specifications, the trailing edge of last square wave is spoke three nine-day periods after the winter solstice five starting point of (Spoke 395).Be the zone of above-mentioned location pattern as the zone 18 among Fig. 1 (b), and spoke three nine-day periods after the winter solstice five is promptly and then at the trailing edge of location pattern 18.The pattern of its amplification please refer to Fig. 1 (c).And Fig. 1 (c) illustrates under desirable state, the inner ring signal schematic representation that near outer ring signal that optical read/write head is produced the pattern 18 of location and spoke detector produce.That is to say, after CD writer detects spoke three nine-day periods after the winter solstice five, along with the rotation of special light disc and the lasting generation of interior ring signal, ring signal produced the square wave number in CD writer can continue to count, and then learnt the position of any spoke of special light disc.
Moreover CD writer is the track that the label face of special light disc is divided into from inside to outside a plurality of concentric original states when describing the label face of special light disc, and describes a track at every turn.And can begin to describe by an initial spoke of describing when describing a track, for example begin to describe by spoke zero, when a track was described to finish, next track was begun to describe by spoke zero again. at every turnAs everyone knows, the control of the radial position of different radii track is the radial position that cooperation that the step number (coarse adjustment) of utilizing step motor to move and optical read head move radially (fine setting) decides optical read/write head in the special light disc filemark surface.So the optional position on the label face of special light disc all can all utilize radial position and position of rotation to learn.
When CD writer when carrying out the describing of label face, the data of describing is provided by host side (Host), resolution with 600dpi (Dot Per Inch) is example, suppose that optical read/write head describes on the track of radius r 1 (inch), host side will be sent the data of 600* (2 π r1) position (bit) to CD writer, and the bright dark of a point (Dot) promptly represented in each position.Therefore, at the track of different radii, the bits number that host side is sent also can be different.And after all tracks were all described to finish, the resolution of the image on the label face was 600dpi.
Yet because the spoke detector is the assembly that separates for two with optical read/write head, the position of being placed on CD writer is also inequality.Therefore, this two assembly hardly may be synchronous when producing outer ring signal and interior ring signal.That is to say, though in the specifications location pattern of institute's standard thereafter edge be the starting point of spoke three nine-day periods after the winter solstice five, but can learn after ring signal and the outer ring signal in the actual analysis, when outer ring signal produces the outer ring signal of ten units, five units, five units, five units, when the trailing edge of last square wave took place, interior ring signal was not the edge of square wave state exchange usually.That is to say that the edge of this binary signal is also asynchronous, and in fact exists a mistiming (Δ t), shown in Fig. 2 (b), wherein the mistiming is non-vanishing.
When said circumstances took place, the known optical disc CD writer is detecting location pattern trailing edge earlier, and the square wave of the interior ring signal of the most approaching location pattern trailing edge is defined as spoke three nine-day periods after the winter solstice five.With Fig. 2 (b) is example, and the square wave of the most approaching location pattern trailing edge promptly is defined as spoke three nine-day periods after the winter solstice five.After spoke three nine-day periods after the winter solstices five decision, the square wave number of ring signal can be learnt the initial position of describing spoke in CD writer can continue to count, and after the step motor of radially controlling and optical read/write head arrived radius and be the track of r1, just the data of the 600* that host side can be sent here (2 π r1) position was begun to describe by the initial wheel symbol of describing.In like manner, other radius track describe also can the rest may be inferred and finish describing of all tracks.
Yet CD writer utilizes that aforesaid way determines initially describes on spoke and the special light disc the defined initial width of cloth and inconsistent of describing in the specific pattern zone.Is example with spoke zero for the initial spoke of describing, shown in Fig. 3 (a), have a special angle poor (θ 1) between the spoke 0 100 that defines on spoke 0 101 that CD writer determined and the special light disc, this special angle difference is the mistiming (Δ t) of Fig. 2 (b) and causes.That is when certain radius (r1) track, the data of describing of the 600* that host side is sent (2 π r1) position is that the spoke 0 101 that is determined by CD writer begins to describe, rather than is begun to describe by the spoke 0 100 that defines on the special light disc.Yet, even the spoke 0 101 by its decision of CD writer mistake begins to describe, this special angle difference can't impact when describing the first time of carrying out the special light disc, because no matter the special angle extent how, CD writer still can be carried out describing of whole label face according to the spoke 0 101 that CD writer determined, and the pattern of the label face of describing to finish also can't be found out any mistake.
Yet, according to the standard of specifications,, special CD described the pattern finished though can't erasing, and the special light disc can carry out describing repeatedly once more on original figure.Therefore, after first CD writer is carried out the special light disc and described for the first time to finish, need carry out secondary once more when describing.If this moment, the special light disc was to put into another second CD writer to describe.Clearly, first CD writer determined initial describe spoke can with second CD writer determined initial to describe the spoke position different.
For instance, first CD writer desires to be begun to describe by spoke zero camber line of 180 degree on the r1 of special light disc track, and second CD writer desires to be begun to describe by spoke zero camber line of 180 degree on the r2 of special light disc track.Suppose that the spoke 0 101 that first CD writer is determined differs θ 1 degree with the defined spoke 0 100 of special light disc, and the spoke 0 102 that second CD writer is determined differs θ 2 degree with the defined spoke 0 100 of special light disc.Shown in Fig. 3 (b),,, cause the figure on the label face destroyed so this two CD writer illustrates the starting point and the terminal point and inequality of the pattern of finishing because the different spoke that CD writer determined zero is neither identical.Hereat, the drawing control method that how to propose a special light disc filemark surface make data that CD writer describes can with the special light disc on define actual to describe initial spoke consistent, just become the fundamental purpose of the present invention's development.
Summary of the invention
The objective of the invention is to, a kind of drawing control method that is applied to a label face of a special light disc is provided, it is consistent that it can make define on data that CD writer describes and the special light disc actual describe initial spoke.
The present invention is the drawing control method that is applied to a label face of a special light disc for a kind of, this method be by a CD writer detect in this special light disc specific pattern zone and and then produce a ring signal and an outer ring signal in one, this method comprises the following steps: according to certain bit patterns of should outer ring signal detecting in this special light disc, and picks up counting when the pattern trailing edge generation of this location; Stop timing when a square wave of ring signal in this takes place, and to obtain a clocking value and define this square wave be a specific spoke, wherein this clocking value is non-vanishing; Begin to go out an initial spoke of describing by this specific spoke according to this inner ring signal definition; Describe data according to one of this time value and plural bit that this CD writer receives, calculate a certain bits numerical value; And, this is described the rotation that data is made this certain bits numerical value, and postrotational this described data begin to describe by this initial spoke of describing.
According to above-mentioned conception, this square wave is for after picking up counting, first square wave that ring signal is produced in this, and this square wave can be defined as spoke three nine-day periods after the winter solstice five.
According to above-mentioned conception, this outer ring signal is produced by an optical read/write head in this CD writer and a spoke detector respectively with this interior ring signal.
According to above-mentioned conception, this spy answers area of the pattern to comprise that a disc identification code, saw tooth pattern, index marker and this location pattern are to be arranged in this index marker.
According to above-mentioned conception, this is initial, and to describe spoke be to be begun to count the square wave number that ring signal occurred in this and got by this specific spoke.
According to above-mentioned conception, wherein calculate this certain bits numerical value and comprise the following steps: to calculate this special light disc and revolve required cycle time of turning around; With the mistiming divided by this time cycle and obtain a fixed ratio; And, this bits number of describing data be multiply by this fixed ratio can obtain this certain bits numerical value.
According to above-mentioned conception, this time Zhou Qiwei calculates this interior ring signal and 400 times that square wave is required occur.
Description of drawings
For further specifying concrete technology contents of the present invention, below in conjunction with embodiment and accompanying drawing describes in detail as after, wherein:
Fig. 1 (a) is the synoptic diagram for the special light disc.
Fig. 1 (b) is the specific pattern area schematic for this special light disc.
Its illustrate of Fig. 1 (c) is under desirable state, the inner ring signal schematic representation that near outer ring signal that optical read/write head is produced the pattern of location and spoke detector produce.
Fig. 2 (a) is CD writer inside spoke detector and optical read/write head synoptic diagram.
The inner ring signal schematic representation of its illustrate of Fig. 2 (b) for producing near location outer ring signal that optical read/write head produced the pattern and spoke detector under the general state.
Its illustrate of Fig. 3 (a) is special angle poor (θ 1) synoptic diagram of the spoke that defines on spoke that CD writer determined zero and the special light disc between zero.
Fig. 3 (b) is that following for the different different spokes that CD writer determined zero illustrates the pattern of finishing.
Fig. 4 its text that illustrates invention be applied to the drawing control method process flow diagram of special light disc filemark surface.
Its illustrate of Fig. 5 (a) is the result that describe of known optical disc CD writer in the special light disc.
Its illustrate of Fig. 5 (b) is the result that describe of CD writer of the present invention in the special light disc.
Embodiment
Because the spoke detector in the known optical disc CD writer and the configuration of optical read/write head cause can't be synchronous between outer ring signal and the interior ring signal, what cause that CD writer determines initially describes spoke and special light disc defined initial to describe to have a special angle between the spoke position poor.At the defective that the known optical disc CD writer is caused, the data of describing that the present invention utilizes rotation (Rotate) host side to send solves the insurmountable problem of known optical disc CD writer.For instance, ten data " 1000100101 " promptly become " 0100101100 " to three of anticlockwises, and this is the notion of rotating among the present invention.
See also Fig. 4, its text that illustrates invention be applied to the drawing control method process flow diagram of special light disc filemark surface.At first, CD writer is detected the spoke detector respectively and is produced interior ring signal and outer ring signal (step 82) with read/write head; When the location pattern trailing edge outside CD writer detects in the ring signal takes place, the timer in the CD writer promptly pick up counting (step 84); After timer began meter, when the next square wave of ring signal produced in CD writer detected, then CD writer was that control timer stops timing (step 86); The clocking value of CD burning computer timer revolves the time of turning around and obtains a fixed ratio (step 88) divided by the special light disc; On the track of a certain radius, a plurality of the data of describing that CD writer transmits host side obtains a certain bits numerical value (step 90) after multiply by this fixed ratio; Afterwards, CD writer with those the data of describing do this certain bits numerical value to anticlockwise (rotate), and postrotational those the data of describing begun to describe (step 92) with the initial spoke of describing that CD writer was determined in this certain radius.
According to above-mentioned process flow diagram as can be known, the present invention be in special light disc rotation and then in producing ring signal and outside during ring signal, utilize a timer calculate really in mistiming (count value of counter) between ring signal and the outer ring signal, the i.e. mistiming of Fig. 2 (b) (Δ t).Afterwards, revolved time cycle of turning around this mistiming divided by the special light disc in order to obtain a fixed ratio.In this step the special light disc revolve the time of turning around can calculate in the ring signal square wave time of 400 times occurs and learn.
When certain radius (r1) track, be example with 600dpi resolution, host side can transmit the data of describing of 600* (2 π r1) position to CD writer.This moment, CD writer promptly can obtain a certain bits numerical value as long as 600* (2 π r1) position is multiplied by this fixed ratio.This certain bits numerical value is promptly represented point (Dot) number of special angle poor (θ 1) when certain radius (r1) track.Therefore, CD writer can be with the data of describing of those 600* (2 π r1) position to this certain bits numerical value of anticlockwise.At last, the data of describing of those 600* (the 2 π r1) position after the CD writer utilization rotation begins to describe at the following track in certain radius (r1) of the control of the CD writer initial spoke of describing by the CD writer decision, and finishes the describing of track of this certain radius (r1).
Please refer to Fig. 5 (a) and Fig. 5 (b), its illustrate for the known optical disc CD writer in the result who describes of special light disc and application the present invention in the result who describes of special light disc.Initial spoke (spoke zero) 101 of describing of supposing that this two CD writer is determined all has a special angle poor (θ 1) with defined initial the describing of special light disc between the spoke (spoke is zero) 100.This two CD writer all desires to be begun to describe by spoke 0 101 camber line of 180 degree on the r1 of special light disc track.Shown in Fig. 5 (a), the known optical disc CD writer still begins the data of describing that host side transmitted to describe by the spoke 0 101 that CD writer determined.Shown in Fig. 5 (b), though CD writer of the present invention begin to describe by the spoke 0 101 that CD writer determined, still, the preceding data of describing that has rotated through host side and transmitted that CD writer of the present invention is beginning to describe.Therefore, CD writer of the present invention can be described first camber line (180-θ 1) degree 94 earlier, describe second camber line (θ 1) degree 96 more at last on r1 radius track, and its pattern of finishing promptly can be considered by the defined spoke 0 100 of special light disc and begins to describe.
Because the present invention does appropriate rotation in the preceding data of will describing earlier that CD writer begins to describe, though begun to describe by the initial spoke of describing that CD writer determined, the defined initial spoke of describing is as good as on result that it is described and the special light disc.That is to say that the data of describing of using CD writer of the present invention can be complementary with the defined initial spoke of describing of special light disc.Moreover, the present invention is not limited to that CD writer determines initially describes spoke and the special light disc defines the initial relation of describing special angle poor (θ 1) between the spoke, that is to say, when special angle poor (θ 1) when being negative value, CD writer can those describe data to right rotation.
In sum, according to invention of the present invention we can be simply by the rotation data of describing that host side transmitted, and then reach that defined spoke mates mutually on the figure describing to finish and the special light disc.Therefore, the present invention not only can solve in the prior art since CD writer determined initial describe that spoke and special CD deceive definition initial describe spoke inconsistent cause generating writing pattern can't and the defined spoke of special light disc between can't mate mutually.Hereat, we can successfully solve the problem described in prior art, and have reached the fundamental purpose of the present invention's development, but the present invention invents by the various modifications that the personage did of haveing the knack of this technology, and does not all take off the scope as the desire protection of claim institute.
Claims (8)
1. drawing control method that is applied to a label face of a special light disc, this method be by a CD writer detect in this special light disc specific pattern zone and and then produce a ring signal and an outer ring signal in one, it is characterized in that this method comprises the following steps:
Detect certain bit patterns in this special light disc according to this outer ring signal, and when this location pattern trailing edge takes place, pick up counting;
Stop timing when a square wave of ring signal in this takes place, and to obtain a clocking value and define this square wave be a specific spoke, wherein this clocking value is non-vanishing;
Begin to go out an initial spoke of describing by this specific spoke according to this inner ring signal definition;
Describe data according to one of this time value and plural bit that this CD writer receives, calculate a certain bits numerical value; And
This is described the rotation that data is made this certain bits numerical value, and postrotational this described data begin to describe by this initial spoke of describing.
2. as claim 1 a described drawing control method that is applied to a label face of a special light disc, it is characterized in that wherein this square wave is for after picking up counting, first square wave that ring signal is produced in this, and this square wave can be defined as spoke three nine-day periods after the winter solstice five.
3. as claim 1 a described drawing control method that is applied to a label face of a special light disc, it is characterized in that, wherein be somebody's turn to do outer ring signal and should be produced by an optical read/write head in this CD writer and a spoke detector respectively by interior ring signal.
4. as claim 1 a described drawing control method that is applied to a label face of a special light disc, it is characterized in that wherein this spy answers area of the pattern to comprise that a disc identification code, saw tooth pattern, index marker and this location pattern are to be arranged in this index marker.
5. as claim 1 a described drawing control method that is applied to a label face of a special light disc, it is characterized in that wherein this initial spoke of describing is to be begun to count the square wave number that ring signal occurred in this and got by this specific spoke.
6. as claim 1 a described drawing control method that is applied to a label face of a special light disc, it is characterized in that, wherein calculate this certain bits numerical value and comprise the following steps:
Calculate this special light disc and revolve required cycle time of turning around;
With the mistiming divided by this time cycle and obtain a fixed ratio; And
This bits number of describing data be multiply by this fixed ratio can obtain this certain bits numerical value.
7. as claim 6 a described drawing control method that is applied to a label face of a special light disc, it is characterized in that, wherein should time Zhou Qiwei calculate that 400 times that square wave is required appear in ring signal in this.
8. as claim 6 a described drawing control method, wherein this describes data by to this certain bits numerical value of anticlockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100655761A CN100545915C (en) | 2006-03-22 | 2006-03-22 | CD writer can be applicable to the drawing control method of special light disc filemark surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100655761A CN100545915C (en) | 2006-03-22 | 2006-03-22 | CD writer can be applicable to the drawing control method of special light disc filemark surface |
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| Publication Number | Publication Date |
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| CN101042882A true CN101042882A (en) | 2007-09-26 |
| CN100545915C CN100545915C (en) | 2009-09-30 |
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| CNB2006100655761A Expired - Fee Related CN100545915C (en) | 2006-03-22 | 2006-03-22 | CD writer can be applicable to the drawing control method of special light disc filemark surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577136B (en) * | 2008-05-08 | 2012-11-07 | 建兴电子科技股份有限公司 | CD driver device |
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2006
- 2006-03-22 CN CNB2006100655761A patent/CN100545915C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577136B (en) * | 2008-05-08 | 2012-11-07 | 建兴电子科技股份有限公司 | CD driver device |
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| CN100545915C (en) | 2009-09-30 |
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Owner name: GUANGBAO SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANXING ELECTRONIC SCIENCE +. TECHNOLOGY CO., LTD. Effective date: 20140627 |
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Effective date of registration: 20140627 Address after: Ruiguang road Taiwan Taipei City Neihu district China No. 392 22 floor Patentee after: Lite-On Technology Corporation Address before: Taipei City, Taiwan, China Patentee before: Jianxing Electronic Science &. Technology Co., Ltd. |
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