305 results about "Thermal paper" patented technology

The present invention relates to a thermal printer. The thermal printer comprises a stepping motor, a thermal element, a roller driven by the stepping motor to drive thermo-sensitive papers to paper skip and a control module. The control module comprises: a PWM timing controller configured to generate PWM signals to control the rotation of the stepping motor; a serial bus controller configured to control the serial bus to transmit the printing data to the thermal element through the serial bus; a first timing controller configured to generate interruption to start the serial bus to transmit the printing data; and a second timing controller configured to control the heating time of the thermal element. The present invention further relates to a thermal printing method. A PWM timing controller, a first timing controller and a second timing controller are configured to control the printing process, and a thermal printing mode with adjustable printing speed and printing concentration is realized through comparing the counter values of the first timing controller and the second timing controller with the relation of the printing speed and the printing concentration.

There is provided a thermal printer (1) including: a main body frame (2); a thermal head (4) mounted to the main body frame (2); a platen roller (6) disposed to be opposed to a printing surface (4a) of the thermal head (4), for sandwiching a thermal paper (15) with the thermal head (4) to feed the thermal paper (15); a lock arm (5) swingably mounted to the main body frame (2), for locking the platen roller (6) with the main body frame (2) by pressing a shaft bearing (11) which rotatably supports the platen roller (6) against the thermal head (4); a swing arm (10) that supports the shaft bearing (11) of the platen roller (6), and swings between a lock position by the lock arm (5) and a release position apart from the lock arm (5); and a lever (16) movably provided to the swing arm (10), for releasing a locked state of the platen roller (6) by the lock arm (5) by an external force applied to a force point (18), in which a direction in which the force point (18) of the lever (16) moves when the locked state by the lock arm (5) is released is same as a swinging direction of the swing arm (10).

The invention discloses printing method and device of a heat-sensitive printer, which are used for increasing the printing speed of the heat-sensitive printer. The printing method comprises the following steps of: carrying out printing processing on current dot-row data latched in current dot matrix data to be printed inside the heat-sensitive printer on heat-sensitive paper; carrying out data processing in the printing processing process of the current dot-row data, wherein the data processing includes the loading of next dot-row data and/or the matrix conversion processing of next dot matrix data to be printed; and after the using time of the printing processing is reached, displaying the current dot-row data already printed on the heat-sensitive paper.

A method of differentiating a type of heat sensitive paper is provided. The method comprises the steps of a) printing a test pattern on a surface of the heat sensitive paper using a thermal printhead, b) detecting the test pattern using an optical sensor, c) determining whether a value of an optical output of the detected test pattern is within a range previously defined in a lookup table, and d) if the value of the optical output is within the range, printing a printing data on the heat sensitive paper.

A solution for concealing confidential information that is printed at the point of sale in a game of chance utilizing a more common type printer designed for printing on a standard grade and biodegradable direct thermal paper. This system can print and cut each individual ticket in variable lengths. The unique and innovative concept of this new system allows a second and separate biodegradable substrate to be collated in a continuous stream over top of the printed ribbon before it is cut away and delivered into the presenter. The second substrate contains a strip of a specially formulated adhesive and is adhered to the top surface of the printed ribbon as the two substrates join together while passing through mechanical nip rollers. The confidential printed information is now covered and the combined substrates are cut and delivered as one ticket unit. The ticket information is revealed by easily peeling away the adhered top layer.

The present invention provides a thermal paper composite precursor comprising (a) a substrate layer; and (b) a base layer positioned on the substrate layer, the base layer comprising a binder and at least one porosity improver wherein the thermal paper composite precursor has a thermal effusivity that is at least about 2% less than the thermal effusivity of porosity improver-less thermal paper composite precursor. The thermal paper composite precursor is useful in making thermal paper composite.

A thermal printer enables both duplex printing and simplex printing. A double-sided thermal printer 1 has a first arm 31 and a second arm 32 that opens and closes in conjunction with the first arm 31. A first platen roller 21 is mounted on the first arm 31, a second thermal print head 12 is mounted on the second arm 32, and a first thermal print head 11 and second platen roller 22 are disposed on the printer frame 30 side. When the operating cover 3 closes, the second thermal print head 12 on the second arm 32 is pressed against the second platen roller 22, the first platen roller 21 on the first arm 31 is pressed to the first thermal print head 11, and the double-sided thermal paper 6 can be set with no slack. For simplex printing, the paper transportation load can be reduced by pressing only the first platen roller 21 on the first arm to the first thermal print head 11.

The invention relates to a thermo-sensitive recording material, in particular relates to a multi-proof thermo-sensitive recording material, and discloses a high-gloss multi-proof thermo-sensitive recording material and a preparation method thereof. A precoating layer, a thermo-sensitive top coat and a pre-coating protective layer sequentially coat the front surface of a base material; and a back coating coats the back surface of the base material. The top coating technology comprises the following steps: compounding a film material coated with a top paint and the base material coated with a thermo-sensitive paint; and drying and then stripping, so as to obtain the high-gloss multi-proof thermo-sensitive paper, wherein calendaring is not needed. The high-gloss multi-proof thermo-sensitive recording material is excellent in performance, and lower in cost in comparison with the high-gloss thermo-sensitive paper which is obtained by ultraviolet (UV) top coating and solidifying.

There is provided a thermal printer (1) including: a main body frame (2); a thermal head (4) swingably mounted to the main body frame (2); a platen roller (6) disposed to be opposed to a printing surface (4a) of the thermal head (4), for sandwiching a thermal paper with the thermal head (4) to feed the thermal paper; a lock arm (5) swingably mounted to the main body frame (2), for locking the platen roller (6) with the main body frame (2) by pressing a shaft bearing (9) which rotatably supports the platen roller (6) against the thermal head (4); a first spring (7) disposed between the lock arm (5) and the thermal head (4), for biasing the platen roller (6) in a direction in which the platen roller (6) moves toward the thermal head (4); and a second spring (8) disposed between the thermal head (4) and the main body frame (2), for biasing the thermal head (4) in a direction in which the thermal head (4) comes into close contact with the platen roller (6), in which the first spring (7) is disposed so that the first spring (7) applies a biasing force to the lock arm (5) at a position where the first spring (7) is closer to a swing center (3) of the lock arm (5) than the second spring (8) is.

A printing system, a thermal printer, a printer driver, a printing control method, and a data storage medium control the printing process according to the type of thermal paper that is loaded into the printer when the paper is replaced. By appropriately controlling address selector 1103, a print head controller 811 stores black print pixel data and red print pixel data in first data buffer 1104a for storing low energy level print pixel data or second data buffer 1104b for storing high energy level print pixel data according to the type of thermal paper in use. A logic circuit unit 1105 outputs the current pattern data to the print head 152 based on the low level print pixel data and high level print pixel data.

The invention discloses carbon fiber composite electro-thermal paper and a preparation method thereof. The carbon fiber composite electro-thermal paper is prepared from the following raw materials in part by weight: 30 to 40 parts of carbon fibers, 100 to 120 parts of wood pulp, 3 to 4 parts of vinyl triethoxysilane, 3 to 4 parts of nano iron powder, 2 to 3 parts of polyvinyl acetate emulsion, 1 to 2 parts of sodium carbonate, 3 to 4 parts of sepiolite powder, 2 to 3 parts of vermiculite powder, 1 to 2 parts of zinc chloride, 1 to 2 parts of boric acid, 1 to 2 parts of sodium persulfate, 1 to 2 parts of rape seed oil, 1 to 2 parts of peanut hull powder, and 3 to 4 parts of modified mica powder. Compared with the traditional carbon fiber composite electro-thermal paper, the carbon fiber composite electro-thermal paper has the advantages that electric conductivity and stability of the electro-thermal paper are improved by adding the nano iron powder; the temperatures at different parts of the electro-thermal paper do not exceed 2 DEG C; and the carbon fibers in the carbon fiber paper are uniform in overall dispersion, so the electro-thermal paper is good in breaking resistance, has low probability of being torn and broken and can be conveniently processed into planar heating elements with different temperature requirements.

An environmental protection logistics label, the face paper and the bottom paper are both heat-sensitive paper, and the graphic information is printed by a thermal printer at the upper and lower corresponding positions of the upper surface of the face paper and the middle part of the lower surface of the bottom paper; the face paper and the bottom paper Die-cut the lifting part of the face paper and the lifting part of the bottom paper respectively on the paper, and the positions of the respective die-cutting marks correspond to each other. Ring-shaped adhesive layer, through the adhesive layer, the environmental logistics label and the adhesive surface of the packaging box are pasted; when the express packaging box is delivered, the surface paper lifting part and the bottom paper lifting part are along the die-cutting line Lift upwards to separate the lifting part of the bottom paper from the lifting part of the surface paper. During the express delivery process, the bottom paper is covered by the surface paper, preventing the loss of documents during the express delivery process and saving paper. The use of thermal paper means that the printing process of information can be carried out without carbon ribbons, which saves the cost of ribbons, avoids the pollution of the environment by ribbons in use, and is more environmentally friendly.

The invention discloses multi-proof thermosensitive paper free of top coating and a manufacture process of the multi-proof thermosensitive paper. The manufacture process of the multi-proof thermosensitive paper comprises the following steps: coating a pre-coating on the upper part of raw paper, coating a thermosensitive surface coating on the upper part of the pre-coating and coating a back coating on the lower part of the raw paper. A special color developing agent used by the manufacture process is stable in property; a product obtained after the color developing agent reacts with colorless dye is strong in weather resistance including water resistance, oil resistance, plasticizer resistance, light resistance, high temperature resistance, dry/wet friction resistance and on the like; according to the manufacture process, the coating process is reduced; the paper is strong in weather resistance after coating, calendering and discharging out of the machine, so that the paper can be stored for years; high-energy and low-energy printed handwriting barcodes are clear and low in cost, so that the application field of the thermosensitive paper can be expanded.

A thermal printing assembly comprised of a first flexible section and a second flexible section joined to such first flexible section. The first section of such assembly is a thermally sensitive media that contains either a thermal transfer ribbon, a dye sublimation ribbon, or a direct thermal sensitive substrate (such as thermal paper); the thermally sensitive media is adapted to change its concentration of ink upon the application of heat. The second section of such assembly is a flexible support with two sides, at least one of which has a smoothness of less than 50 Sheffield Units and contains particles with a Knoop hardness of less than about 800 and the other side has an adhesive coating designed to remove dirt and debris from surfaces it contacts during use.

The invention discloses a high-gloss thermo-sensitive paper and a production method thereof. The production method comprises the following steps of coating precoating paint on a body paper to obtain a precoated paper, compounding the precoated paper and a sheet material coated with color layer paint, drying, and separating the sheet material to obtain the high-gloss thermo-sensitive paper. The production method avoids a press polishing process. The high-gloss thermo-sensitive paper has a gloss degree higher than 40%. The precoating comprises molochite, calcium carbonate, an adhesive, a dispersing agent, a lubricant, a water repellent agent and a thickener. The color layer comprises a color agent, a color-developing agent, a sensitizer, a grinding assistant, a lubricant, an adhesive, molochite, calcium carbonate and a stabilizer. The high-gloss thermo-sensitive paper retains color-developing performances and aging resistance of the traditional thermo-sensitive paper, has excellent appearance and surface strength, a paper gloss degree more than 40% (at a temperature of 75 DEG C, GB/T8941-2007), and has high smoothness without press polishing and satisfactory thickness.

The embodiment of the invention provides a heating control method and device in the printing process, a printer and a storage medium. The method comprises the steps that the heating time needed for printing of one point row through a printing head of the current printer is obtained; the paper walking time needed for transmission of one point row through a transmission mechanism of the current printer is obtained, wherein the paper walking time is larger than the heating time; the heating control sequence is generated according to the heating time, the paper walking time and the preset heatingfrequency N, wherein the heating control sequence includes N heating time periods and N-1 rest time periods arranged between the two adjacent heating time periods; and based on the heating control sequence, the printing head is controlled to conduct heating. Multi-time heating is conducted on one point row, obvious thin white lines on printing thermo-sensitive paper are avoided, and the printing effect is improved.

A thermal paper sheet having heat-sensitive layers on a first surface and a second surface having a front-and-rear relationship is prepared. A first thermal head which comes into contact with a front surface of this thermal paper sheet and a second thermal head which comes into contact with a rear surface 1 b of the same are provided. Further, printing data input from the outside is divided into first printing data and second printing data. The thermal heads are driven in accordance with the printing data.

The invention relates to a process for implementing a seamless wall covering, which includes the following process steps: (1), production of the base fabric: adopting a wide-width textile machine to produce gray cloth, and performing dyeing, shaping, finishing, decorative treatment on the gray cloth and The base cloth is obtained after finishing; (2), the compounding of the wall cloth: the above-mentioned base cloth and a hot-melt film are compounded under the condition of 54 ° C ~ 75 ° C through a compound machine, so that the base cloth and the hot-melt film are combined together and Obtain the wall covering, and set a substrate paper on the hot-melt film; (3), wall covering and wall bonding: carry out leveling and moisture-proof treatment to the wall surface; The paper is torn off and the wall cloth is combined with the wall surface, and the hot-melt film is heated by a heating roller to melt, so that the wall cloth and the wall surface are bonded, and the heating temperature is 90°C~130°C. The implementation process of the seamless wall cloth of the present invention has many advantages such as convenient construction, simplified procedures, environmental protection and material saving.

The invention discloses an adhesive label and a using method thereof in a logistics business. The surface paper of the adhesive label comprises an upper layer surface paper and a lower layer surface paper. The upper layer surface paper and the lower layer surface paper are both heat-sensitive paper. A backing paper is arranged between the upper layer surface paper and the lower layer surface paper. A hollow information zone is pre-set in the middle position between the upper layer surface paper and the lower layer surface paper. Die cutting is executed around the information zone. When the adhesive label is used, the corresponding logistics information is printed on the upper layer surface paper and lower layer surface paper at the same time by a printer. The adhesive label is glued with a gluing surface of a packaging box by an annular back glue layer corresponding to the margin of the upper layer surface paper, so that a hollow pocket structure is formed between the adhesive label and the gluing surface. One part of the upper layer surface paper with logistics information is removed as the evidence for archiving when goods are delivered while the uncovered part of the other part of the upper layer surface paper and the remained part of the lower layer surface paper are kept as the receipt for checking the goods, so that the paper is fully used and further saved.

The invention discloses heat sensitive paper applicable to tags without bottom paper and a manufacturing method of the heat sensitive paper. High-smoothness high-quality wood base paper is selected ascoating base paper, the surface of the base paper is sequentially coated with a bottom coating, a heat sensitive layer and a protection layer, inboard double-roller soft calendering finishing of thebottom coating and the heat sensitive layer is implemented, overboard overpressure finishing of the dried protection layer is implemented, and the smoothness of a coating surface of a final finished product is higher than or equal to 2000s. Compared with the prior art, the produced heat sensitive paper has higher surface smoothness and low roughness, water resistance of the coatings is high, the tags without the bottom paper is made, the surface of the paper is coated with silicone oil, the back of the paper is coated with glue, and quality stability, cost control and uniformity of a siliconeoil layer and a glue layer can be effectively achieved.

Methods and apparatus for the recovery, visualization and enhancement of latent fingerprints using Low Pressure Dye Vapor Deposition (LPDVD) are described. The LPDVD methods of the present invention provide for fine control over the deposition of a precursor in combination with a fluorescent dye, combination of dyes or a premixed dry solid compound of the precursor and dyestuffs, to make the latent fingerprints visible. The LPDVD process makes use of a heated carrier gas to dilute and carry the vapors into a vacuum chamber where they condense onto the exposed surfaces of the article being developed. The LPDVD process can be used to develop latent fingerprints on a wide variety of substrates, including metal, plastic, glass and thermal paper and has been shown to perform as well or better than conventional fingerprint development techniques on these surfaces.

Thermosensitive recording materials such as thermal paper have printed indicia of high quality on the back thereof printed on a backcoating. This backcoating also incorporates an optically variable compound which provides a security feature.

The present invention relates to government service intelligent terminal equipment based on artificial intelligence and a use method thereof. A bar code, two-dimensional code identification, a contactless IC card reader, thermal paper printing, a touch display screen, a speaker, a noise reduction microphone, video collection equipment, a number keyboard, a license scanner and ticket printing equipment are included. The artificial intelligence technology is introduced, the speech recognition technology, the natural language semantic analysis technology, the contextual correlation analysis technology are used to process human-computer interaction, demand screening, process guidance, data collection and processing and other difficult issues, and a series of government affair matters such as consultation, inquiry and handling of government affair matters has been successfully realized in the intelligent terminal equipment.