WO2012000427A1 - 一种无墨热烤打印方法及打印头装置 - Google Patents
一种无墨热烤打印方法及打印头装置 Download PDFInfo
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- WO2012000427A1 WO2012000427A1 PCT/CN2011/076509 CN2011076509W WO2012000427A1 WO 2012000427 A1 WO2012000427 A1 WO 2012000427A1 CN 2011076509 W CN2011076509 W CN 2011076509W WO 2012000427 A1 WO2012000427 A1 WO 2012000427A1
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- printing
- hot
- paper
- bake
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/02—Pyrography
Definitions
- the present invention relates to an inkless eco-printing and printing technique, and more particularly to a hot-bake printing method which can be applied to printing apparatuses for office, home or industrial printers, printing machines, copiers, facsimile machines and all-in-ones.
- printers have become an indispensable device for enterprises and offices, and have become common items in many families.
- printers can be divided into four major categories: laser, inkjet, stylus and thermal printing.
- thermal printers are mainly used for printing labels, barcodes, and needle printers are mainly used in special fields such as printing tickets, while laser and inkjet printers are widely used in office, news and home fields.
- the other three types of printers use toner or ink, which gives off an unpleasant odour during use. According to reports, these unpleasant odors contain a large number of fine particles, heavy metals and harmful gases, especially carcinogens such as benzene, aldehydes and styrene.
- the thermal printer works by installing a semiconductor heating element on the print head. After receiving the print data, the thermal printer converts the print data into bitmap data, and then controls the print head according to the point of the bitmap data.
- the heating element passes the current, the printing head heats up and contacts the thermal printing paper, and after selectively heating at the determined position of the thermal paper, the coating on the thermal paper will chemically react, and the color can be printed to reveal The required graphics, so that the print data becomes the printed content on the paper.
- the heaters on the printhead are arranged in the form of square dots or strips that are logically controlled by the printer. When driven, a pattern corresponding to the heating elements is produced on the thermal paper. The same logic that controls the heating elements, while also controlling the paper feed, allows the pattern to be printed on the entire label or paper.
- Rice paper pyrography method Among all the pyrography methods, rice paper is one of the materials closest to the printing paper of the present invention (other materials are bamboo, wood, etc.). Therefore, here is the invention patent for the paper-based method of painting. Representatively, the main process is: spraying or brushing a layer of thin slurry prepared with various chemical materials on the flattened rice paper, and then pressing and ironing with a steam iron, drying, and then drying Electric pen painting. According to reports, the process of this method is simple and easy to operate, and it is very convenient to draw on rice paper with an electric pen.
- thermo printers and rice paper pyrography methods In connection with the principle of coloring, there are thermal printers and rice paper pyrography methods. They need to pre-compound the thermochromic material on the printing paper, or spray or brush the thin slurry on the rice paper. That is, they are also "painted (written)” from one or more colors of material or thin paste to form text or pattern on another material of a different color.
- this "painting (writing)” process is achieved by the discoloration of the former type of material or the thin slurry by thermal energy. They all use two types of materials, “color material” or “thin slurry” and “base material”. Therefore, in essence, they all add a special "material” to the "base material”. Print or pyrography method.
- the present invention completely breaks through the shackles of traditional habitual thinking as described above: Although in people's impressions, the printing paper is quite thin, it is afraid of fire: the paper touches the fire and burns, even if only Mars, such as carbon in daily life. Fire, cigarette ash, etc. fall onto ordinary paper and usually burn out small holes.
- One object of the present invention is to overcome the deficiencies of the prior art and provide a printing without using toner or ink, and it is also unnecessary.
- a hot-bake printing method for special printing paper another object of the present invention is to provide a printing head device using the above method. They fill the gaps in the prior art and are an ink-free eco-printing technology that can solve the aforementioned environmental pollution problems well.
- the invention has the advantages of bold concept, clear application field, ecological and environmental protection, and convenient industrial production.
- An ink-free ecological hot-bake printing method using ordinary printing paper, one of two ways of direct contact and non-direct contact between the printing head and the paper, wherein: the printing head is provided with a heating element, and the heat of the printing head can be The surface of the printing paper is discolored to form characters or patterns.
- the temperature of the print head is set at 100-1000 ° C, and the dead time of the print head is 0.1-100 msec.
- the temperature of the print head is set at 200-1000. °C, the print head stagnant time is 0.1-100 milliseconds.
- the printhead temperature is set at 400-600 °C and the printhead has a dead time of 0.2-50 ms.
- the temperature is below 400 ° C, such as 350 ° C, although the paper can still change color, but it takes a long contact time (the dead time of the print head), the current ordinary printing paper In fact, the practical effect is not large; when the temperature is higher than 600 ° C, such as 800 ° C, at this time, the print head is easy to be hot and red, in the case of manual operation, it is easy to burn the paper, from a safety point of view It is not very suitable, or a higher safety protection technique is required. Therefore, in general, it is preferable to use 600 ° C as an upper limit.
- the number of click points obtained by the specified time, and the time of the click contact time as a percentage of the time of each click action process, and referring to the current situation of the dot matrix printer , with the appropriate margin determined.
- the contact element with the printing paper in the printing head is a printing pin or a printing dot matrix.
- the heat of the print head can make the surface of the printing paper yellow or carbonized.
- the heating element on the print head is equipped with a temperature control device, designed with different heating elements, heating temperature, printing Head stagnation time and matching the corresponding paper feed speed, get different printing results.
- the invention relates to an inkless ecological hot-bake printing method, which is based on the principle of the existing thermal and stylus printer technology, and supplies energy to the hot-baked print head through the energy supply device, so that the hot-baked print dot matrix on the print head, Or hot-baked print needles to obtain the corresponding heat (light) energy, and then transfer heat to the paper to be typed by heat conduction or radiation conduction such as heat conduction, radiation, heat release, and use the heat energy (high temperature) to make the corresponding paper
- the surface layer is yellowed or carbonized black (discolored) to form the desired text or pattern. No need to use toner, ink or paint, just a single ordinary paper, you can achieve the printing effect by hot baking.
- the technical solution adopted by the present invention is:
- a print head device comprising an armature, a print pin, a drive mechanism, a return spring, a support plate and a guide plate, the print pin passing through the support plate, the upper end of which is fixed on the armature, and
- the driving mechanism and the return spring perform a printing motion of the printing needle, and are characterized by: further comprising a heating element for heating the printing needle.
- the driving mechanism is a driving coil or a driving arm, and an iron core is disposed in the driving coil.
- the heating element is a thermistor, and a print pin guiding hole is formed on the thermistor, and the thermistor is sleeved on the printing pin and uniformly heats each of the printing pins.
- the heating element is an individual heating device, and each heating device corresponds to a printing pin, respectively.
- the driving coil is an elliptical coil, and the driving coil is a single-layer coil or a double-layer coil. When a double-layer coil is used, when the printing needle passes through the supporting plate from the root, it directly passes through the position of the center of the corresponding small hole of the supporting plate. , without contact with the support plate.
- the invention breaks through the constraints of the traditional habitual thinking, and the surface of the paper is discolored by hot baking to achieve the printing effect. Therefore, the traditional printing method has been completely changed, from the beginning of printing to the use of printed items, storage, recycling until disposal, and no emission of toner or ink during the entire life cycle of the product. Harmful gases such as heavy metals and organic polymers. Completely eliminates environmental pollution caused by toner or ink, and a series of problems that endanger human health; on the other hand, since the printing device is not required, the printing process is simple, so the printing device can be structurally Made more compact, lightweight and lightweight. And because no toner or ink is used, the production scale of the entire toner or ink industry will naturally decrease dramatically.
- the present invention is an inkless ecological printing method, is a green environmental protection product in a true sense, has excellent low carbon energy saving effect and social benefit; the invention can be widely applied to the foregoing Various printing devices such as printers have been used, so that various inkless eco-baked printing devices can be produced. Since no toner or ink is used, the structural process is simple. According to this, 1) the printing process does not consume toner or ink, which consumes the energy required for hot baking, and is easy to use and manage; 2) can greatly reduce the recycling of used paper The various processing costs required to remove the ink are also beneficial to improve the quality of the recycled paper.
- Figure 1 is a schematic flow chart of the contact hot-bake printing method.
- Figure 2 is a schematic view showing the basic structure of the core portion of the pin-type hot-baked print head.
- FIG. 3 Schematic diagram of two different types of heated pin-type hot-baked printheads. a Thermistor board is heated uniformly, and b is heated separately for each needle.
- Figure 4 Circular pin hot-baked printhead coil structure. a single layer coil, b double layer coil, c positioning plate and guide pin hole arrangement in the needle plate.
- Figure 5 Single-layer coil structure of an oval pin hot-baked print head. a top view, b side perspective view (most of the print pins in the picture only draw part of the armature, not painted).
- Figure 6 is a schematic diagram of a thermal printhead.
- Figure 7 A needle-type hot-bake printhead device with an elliptical double-turn collective heating. a top view, b side perspective view.
- Figure 8 A needle hot-baked printhead device that is heated by an elliptical double circle. a top view, b side perspective view.
- Figure 9 A mechanical drive of a needle print needle.
- Figure 11 is a manual simulation of hot-bake printing (writing). a, 350 ° C, 75 s, b, 480 ° C, 28 s, c, 480 ° C, 60 s.
- the process of contact hot-bake printing is shown in Figure 1. It inherits the basic flow of print data transfer 1, energy supply 2, electromechanical control system 3, print head 4, and print head movement process 5, printing paper (paper feeding device) 6 in the current printing method.
- the core of the present invention is an ink-free hot-bake printing method in which the print head employs the following combinations of hot-bake temperature, contact time and contact pressure:
- a combination of the strength of the energy supply (hot baking temperature), the contact time of the hot-baked printing dot matrix or the hot-baked printing needle with the paper (printing speed), and the contact pressure can achieve a good printing effect and ensure the printing paper. Leave enough strength.
- the results of simple manual experiments have confirmed this idea (see Figures 10 and 11).
- the print head is hot-baked to print a dot matrix or a hot-baked print needle, and one of two ways of direct contact and non-direct contact with the paper, the hot-baked print dot matrix in the print head when in direct contact, or the temperature of the hot-baked print needle 2-50 ⁇
- the setting is in the range of 0. 2-50 milliseconds.
- the highest temperature of the hot-baked printing dot matrix in the print head, or the hot-baked printing needle can be set at 600-800 ° C for direct contact, and the contact time is 0.1-20 ms.
- the hot-bake printing technology of the present invention can perform a certain modification processing on the current printing paper, so that the printing paper is in a certain state.
- the temperature is above 150 °C, it has the function of yellowing and discoloration.
- the temperature of the hot-baked printing dot matrix in the print head, or the temperature of the hot-baked printing needle can be set at 150-400 °C during direct contact. 1-50 milliseconds.
- laser direct illumination is usually used.
- the temperature of the paper surface is set between 200 and 800 °C.
- high-speed air cleaning or wax sealing treatment or high-speed air cleaning and sealing wax can be combined.
- the contact type hot-bake printing by adjusting the contact pressure, a certain contact dent can be formed, and a special printing effect with a slight three-dimensional feeling can be obtained.
- One of the methods based on existing pin printer technology is to use high temperature resistant materials to make the corresponding parts, through the heating plate, such as A heating plate made of a thermistor uniformly heats the needle tip of the dot matrix printer to perform printing.
- the second method is to heat the printing needle by energizing each needle in series or in parallel to perform printing.
- the innovative implementation method based on thermal printing technology is: For the Kyocera thermal print head, use the high temperature thermistor to make a printed dot matrix, and at the same time strengthen the insulation effect between it and the substrate to prevent the high temperature from burning the substrate, specifically
- the object is achieved by adding a heat insulating layer or a novel structure having a hollow layer.
- the heating element on the print head is provided with a thermistor temperature control device, which controls the hot-baked printing dot matrix in the print head, or the temperature of the hot-baked printing needle and sets corresponding alarm, overload protection, low temperature standby, etc. Self-control device.
- a plurality of print heads physically separated from each other, or a print head in which a plurality of print heads are integrated may be employed.
- the device of the present invention innovates the print head portion according to the existing dot matrix printer technology and the thermal printing technology, respectively, to achieve the second object of the present invention: based on the needle printer technical transformation plan As follows: First, use the high temperature resistant material to make the printing needle and its surrounding parts; Secondly, increase the device for heating the needle and the corresponding automatic control device; Third, to prevent heat loss and prevent the needle from being burned at the time.
- Paper a device for providing thermal insulation around the print head and the apex position; the fourth is to increase the stroke of the print needle by adjusting the drive coil, the return spring, the size and relative position of the armature in the needle print head; The ribbon and ribbon bezel are removed so that the print tip is in direct contact with the print paper when printing.
- the modification scheme based on thermal printing technology is as follows: First, a high-temperature thermistor is used to make a printed dot matrix; secondly, a corresponding heat insulating device is provided to protect the substrate from being burnt.
- the basic structure of the core part of the hot-baked print head based on the innovation of the dot matrix printer technology is shown in Fig. 2.
- the hot-baked printing needle based on the existing stylus printer technology can be divided into two types of heating methods: one is to heat the needle-printer tip of the stylus printer in order to increase the heating plate 13 shown in FIG.
- the second method is to heat the printing needle by energizing each needle in series or in parallel.
- a printhead based on the existing stylus printer technology can first adopt a circular single layer or a double layer coil structure of the current stylus printer. Also provided is an elliptical single layer coil and a 24 double layer coil structure newly designed in the present invention.
- the length of the print pin it can be the same as the current dot matrix printer, at 10-50 mm, but combined with the characteristics of hot-bake printing technology, preferably 10-30 mm.
- the innovative implementation method based on thermal printing technology is: For the Kyocera thermal print head, use the high temperature thermistor to make a printed dot matrix, and at the same time strengthen the insulation effect between it and the substrate to prevent the high temperature from burning the substrate, specifically
- the object is achieved by adding a heat insulating layer or a novel structure having a hollow layer.
- the heating element on the print head is provided with a temperature regulating device, different heating elements are designed, the heating temperature is matched, and the corresponding paper feed speed is matched to obtain different printing effects.
- non-contact there are mainly lasers.
- the specific luminous power is suitable for achieving a good printing effect.
- hot-bake printing can be carried out by one of a discharge technique or a pyrotechnic technique, or a hybrid method.
- the printing method is the same as the printing method, and the printing method is also applicable to the printing machine.
- Example 1 Feasibility of the method: Manual simulated hot-bake printing example
- control of the printed text gradation can be obtained by adjusting the temperature of the heating element, the printing speed, and the contact pressure.
- the gray level is low and the color is yellow (as shown in Fig. 10 and Fig. 11).
- the temperature is high, the gray level is high and the color is black (see Figs. 10 and 11b). ). Therefore, by combining the temperature, printing speed and contact pressure of different heating elements, different processing conditions and printing methods for different printing effects can be designed to some extent.
- the flow of the contact hot-bake printing method is shown in Figure 1. It inherits the basic flow of print data transfer 1, energy supply 2, electromechanical control system 3, print head 4, and print head movement process 5, printing paper (paper feeding device) 6 in the current printing method.
- the printhead was innovated. It includes: a heating process of the heating element, a process of contacting the relevant parts of the printing paper, and a process of discoloring the surface of the printing paper by high temperature to form a character or a pattern.
- the print heads can be divided into two categories, which are according to the print heads of the existing dot matrix printers and thermal printers, and the corresponding technical improvements are made by adding the high temperature thermistor and the temperature control device, etc., in combination with the printing method of the present invention. to make.
- the heating element in the print head that contacts the printing paper is called a hot-baked print pin (9 in Figure 2), and the latter is called a hot-baked dot matrix (28 in Figure 6).
- the hot-baked dot matrix is heated in the same way as current thermal printers, heating only the dot matrix that needs to be printed at a time.
- the hot-baked print pin can be heated in the same way as the current thermal printer, or it can be heated uniformly before printing. Just according to the printing needs, the hot-baked print pin that needs to be printed touches the paper, and the other print pins that do not print. Stay in the original position and you can move.
- Recommended optimized print temperature is 500-600° C o
- Figure 7 is a schematic view showing the structure of a core portion of a collectively heated double-circle pin type hot-baked print head device.
- the basic structure and principle are similar to the double-circle pin print head of Fig. 4b.
- the improvement is as follows: Firstly, the material needs to be made of high temperature resistant material; secondly, as shown in Fig. 4a, the printing pin passes through the positioning plate from the root. At 10 o'clock, it passes directly from the position of the center of the corresponding small hole of the positioning plate, and does not contact the positioning plate. A current printer needs to be contacted, so that the original circular needle shown in Fig. 5a passes through Fig. 5c.
- the guiding of the positioning plate or the guiding plate from top to bottom finally forms two rows of pins arranged in parallel; the thermistor plate 13 shown in Fig. 5b is added, by which the tips of all the printing pins are collectively heated collectively.
- the needle can be controlled to enter and exit, and the printing process can be completed. Since the tip of the printing needle is high temperature, it is necessary to use the heat insulating board 14 for heat insulation. When not printing, the tip end of the needle tip needs to be kept at a certain distance from the printing paper, usually 1-2 mm, or is separated. Between the hot plate 14 and the printing paper, a heat insulating plate 15 (not shown in the figure) which can automatically open the opening automatically with the printing needle is added.
- This structure can not only perform hot-bake printing, but also because the printing needle is not in contact with the orientation plate and the guide plate, the length of the printing needle can be appropriately shortened, and the length can be up to 30 mm.
- This structure avoids the friction between the needle print and the inner surface of the small hole, and has the effect of saving energy and prolonging the print life.
- Figure 7 only one layer of coils is shown, and the distribution of quarter-pins is shown.
- Embodiment 4 A pin type hot-bake print head device for heating a printing needle
- Figure 8 is a schematic view showing the construction of a core portion of a double-circle pin-type hot-baked print head device for each of the printing pins.
- the basic structure and principle are similar to those in Fig. 7.
- the improvement is as follows:
- the collective heating plate 13 is replaced by a heat insulating plate 12, and each printing pin itself can be heated by energization or the like, and then heated according to the print data information. Print the needle and let it finish the printing action. At this time, the temperature of the unprinted printing needle is greatly lowered, so that the heat insulation requirement is lower than that of the collective heating method.
- the driving method of the printing pin can be driven by the driving arm 31 as shown in Fig. 9, instead of the magnetic driving method currently employed.
- the drive arm itself can be moved by a cam mechanism that produces periodic motion, the rocking mechanism.
- the foregoing embodiments 3 and 4 adopt a novel elliptical double-circle print head structure.
- the original circular double-circle print head structure is directly used, or the single-turn print head structure is directly used, and the third embodiment is added.
- the corresponding hot-baked print head can also be obtained separately.
- 72 or 144 pins can also be used; Use multiple printheads, preferably 1-6. Multiple printheads, each responsible for an area in the left and right direction.
- Embodiment 6 Example of a thermal type hot-bake printing apparatus
- NTC Negative Temperature Coefficient refers to a thermistor phenomenon and material with a negative temperature coefficient that decreases exponentially with increasing temperature
- NTC Negative Temperature Coefficient refers to a thermistor phenomenon and material with a negative temperature coefficient that decreases exponentially with increasing temperature
- print data transfer 1 energy supply 2
- electromechanical control system 3 print head 4
- print head movement process 5 printing paper (to Paper device) Basic flow of 6 etc.
- the basic structure and electrical control of the printers associated with these processes can be implemented directly using the current technology of Kyocera thermal printers. However, it is necessary to innovate the print head (see Figure 6).
- the specific implementation policy is: For the Kyocera thermal print head, use a high temperature thermistor to make a printed dot matrix, and at the same time strengthen the insulation between it and the substrate to prevent Burning the substrate at a high temperature can be achieved by adding a heat insulating layer or a novel structure having a hollow layer. Since the thermal printing is that the dot matrix on the print head all directly contacts the printing paper, the set printing temperature is, for the current ordinary printing paper, the heating lattice temperature is 500-600 ° C, the point of no heating Array, the temperature is generally controlled below 300 °C.
- hot-bake printing different post-processing methods can be used for the hot-bake results. If it can be cleaned with high-speed air, sealed with wax, or without any treatment. Or the first two combinations.
- Embodiment 8 Non-contact printing method
- Hot-baked print pins do not directly touch the paper, but can be hot-baked by radiation, convection, heat conduction or laser. Usually the non-contact space distance is controlled between 0.1 and 5 mm and the temperature can be controlled between 300 and 800 °C. It can also be controlled by controlling the transmit power of the laser.
- Embodiment 9 Embodiment of the hot-bake printer The basic flow and basic structure of the hot-bake printer are as shown in Fig. 1, and its print data transfer 1, energy supply 2, electromechanical control system 3, print head (motion process) 4, printing paper (Paper feeder) 5 components. The print head adopts the structure of the dot matrix printer head shown in Fig. 7.
- the 24 needles are collectively heated to 600 ° C before printing, and each hot-baked needle can be telescopically moved as needed.
- the data received by the printer is converted into control of the printing pin in and out.
- the corresponding printing pin in the printing head contacts the printing paper, and the surface layer of the corresponding position is discolored by thermal energy (high temperature), and a heating element is generated on the paper.
- the same logic circuit that controls the heating elements also controls the paper feed 5, so that the pattern can be printed on the entire paper.
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US13/639,828 US20130021422A1 (en) | 2010-06-30 | 2011-06-28 | Inkless printing method with heating process and printing head unit therefor |
KR1020137002288A KR20130135823A (ko) | 2010-06-30 | 2011-06-28 | 무잉크 열 그릴 프린팅 방법, 및 프린팅 헤드 장치 |
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CN201010218623.8 | 2010-06-30 | ||
CN2010102186238A CN102310657B (zh) | 2010-06-30 | 2010-06-30 | 一种无墨生态热烤打印方法及打印头装置 |
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WO2012000427A1 true WO2012000427A1 (zh) | 2012-01-05 |
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KR (1) | KR20130135823A (zh) |
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WO2015147528A1 (ko) * | 2014-03-25 | 2015-10-01 | 디에스글로벌 (주) | 사용자 단말을 이용한 포토프린터의 칼라 보정 시스템 및 그 방법 |
KR102388780B1 (ko) | 2014-04-02 | 2022-04-19 | 에어다이 인텔렉츄얼 프로퍼티 엘엘씨 | 컬러 관리 |
WO2018102633A1 (en) * | 2016-12-02 | 2018-06-07 | Videojet Technologies Inc. | A system and method for laser marking substrates |
CN108582760B (zh) * | 2018-05-17 | 2023-06-13 | 东莞职业技术学院 | 一种基于文创产品的纸基3d打印设备 |
CN114571881A (zh) * | 2021-08-19 | 2022-06-03 | 全亿大科技(佛山)有限公司 | 无墨打印系统 |
CN115230335B (zh) * | 2022-07-05 | 2024-03-08 | 南京辰光融信技术有限公司 | 一种打印机检测系统及方法 |
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2011
- 2011-06-28 WO PCT/CN2011/076509 patent/WO2012000427A1/zh active Application Filing
- 2011-06-28 KR KR1020137002288A patent/KR20130135823A/ko not_active Application Discontinuation
- 2011-06-28 US US13/639,828 patent/US20130021422A1/en not_active Abandoned
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Also Published As
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KR20130135823A (ko) | 2013-12-11 |
CN102310657A (zh) | 2012-01-11 |
US20130021422A1 (en) | 2013-01-24 |
CN102310657B (zh) | 2013-04-03 |
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