88 results about "Thermal printing" patented technology

The invention provides a power supply regulating device and a voltage-adjustable power supply circuit thereof, and relates to the technical field of power supply regulation, the circuit is additionally provided with a sampling resistor, an operational amplifier unit and an MCU on the basis of keeping the original sampling partial voltage, and adjustable analog level output by the MCU is injected into a DC-DC feedback pin after being subjected to operational amplifier gain, so that the voltage-adjustable power supply circuit is formed. The potential of a feedback node is biased in a voltage superposition mode, so that the output voltage and the analog level are in an approximately linear relation; according to the invention, higher resolution adjustment can be obtained in a preset full range only by changing the DAC level or the PWM duty ratio, the gear intervals are uniform, digital potentiometers or segmented switching are not needed, the calculation is simple, the hardware cost is low, and the control is convenient. The high-precision power supply can be widely applied to occasions requiring a software controllable high-precision power supply, such as a thermal printing head test fixture, ink-jet head ink quantity control, motor torque adjustment and the like. The invention aims to solve the problems that the resolution of a low-voltage section is suddenly reduced and the fineness is insufficient due to resistance-voltage nonlinearity during wide-range voltage regulation of a traditional digital potentiometer type DC-DC feedback network.

The invention relates to the technical field of image data processing and thermal printing control, in particular to a power consumption management image data processing method in thermal printing, which comprises the following steps: a space construction and vector definition step: receiving data to establish a coordinate system and an image vector; a thermal history residual construction step: constructing a residual map representing heat energy accumulation in combination with the thermal model; a frequency domain feature extraction step: identifying frequency features and dividing field and texture regions; a dynamic sparse decision-making step: generating an adaptive mask based on thermal-frequency double-domain constraint; a logic synthesis and closed-loop updating step: generating low-power-consumption data and updating the hot cache; according to the method, the sparsification is reversely guided by utilizing the thermal diffusion characteristic, the problem of current overload of high-blackness printing is solved, and the visual integrity is maintained.

The invention relates to the technical field of application of thermal printing heads, in particular to a thermal printing device and a printing method for simplifying gray scale printing and achieving fine gray scale control, and the thermal printing device is provided with an external printing host and a thermal printing head. A PWM modulation unit, a clock unit CLK, a frequency divider, a latch unit LATCH, a printing gating unit STB and a plurality of control units in one-to-one correspondence with a plurality of heating points in the heating resistor are arranged in the printing logic control component, and the printing gating unit STB is used for outputting a current line printing gating control signal to the control units; the PWM modulation unit is used for carrying out pulse width modulation on a printing pulse number mi issued by an external host and outputting heating time pulse signals superposed with different duty ratio pulses to the control unit so as to meet different color development temperature requirements; compared with an existing mode that multiple times of sending of printing data are combined with STB gating, the cost requirement for printer control resources is remarkably reduced on the premise that gray level fine control is met.

The invention provides a printing image processing method, a thermal printing control method and electronic equipment, and the method comprises the steps: extracting the page information of a to-be-printed document, and converting the to-be-printed document into a bitmap according to the page information; obtaining a global threshold value of each pixel point based on the bitmap; sequentially traversing each pixel in the bitmap, for the traversed target pixel, obtaining a region contrast ratio corresponding to the target pixel, and adjusting a global threshold value according to the region contrast ratio to obtain a local threshold value corresponding to the target pixel; and binarizing the corresponding target pixel according to each local threshold to obtain a binarization result. The local threshold is obtained by adjusting the global threshold through the area contrast, the local threshold can better reflect the pixel color close to the target pixel, the problem that the global threshold cannot effectively distinguish the black pixel from the white pixel in the partial area with the low contrast is solved, accurate binarization operation is performed on the target pixel, and the image quality is improved. The contrast between black pixels and white pixels is improved, and the black and white printing effect is improved.

The present invention relates to a positioning mark detection method for detecting a positioning mark of a thermal printing medium loaded into a thermal printer by means of an optical sensor provided in the thermal printer to determine a starting position of the thermal printing medium, the optical sensor comprising a light emitting member and a light receiving member, the light emitting part emits first light to irradiate the positioning mark, the positioning mark feeds back second light different from the first light, the light receiving part receives the second light, and the wavelength of the second light is different from that of the first light; the positioning mark detection method comprises the following steps: detecting and sampling; a signal conversion step; judging the initial position of the thermal printing medium; the light emitting part emits the first light to irradiate the positioning mark, the positioning mark is excited to emit the second light, the wavelength of the second light is different from that of the first light, specifically, the wavelength of the second light is longer than that of the first light, and therefore the light receiving part is prevented from being affected by the light emitted by the light emitting part.

1. The name of the design product: portable thermal printer. 2. The use of the design product: for thermal printing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The present disclosure provides a container labeling system comprising a labeling unit equipped with one or more applicators for applying one or more elements onto a container label. The elements are selected from numbers, letters, characters, diagrams, pictures, pictograms, symbols, colors, shades, hues, marks, sounds, displays, icons, graphics, objects, lines, curves, text, dots, shapes, data, photographs, and images. The system includes a control unit configured to differentially configure the elements on each container label based on predetermined criteria. The labeling unit applies the elements using techniques such as printing, thermal printing, embossing, debossing, or engraving. The system enables the production of unique, identifiable labels for containers, enhancing product tracking, authentication, and user experience.

The invention relates to the technical field of printing equipment, and discloses a control method of thermal printing or thermal transfer printing equipment, a storage medium and a system, and the method comprises the steps that the printing equipment obtains model parameters of a printing medium; the printing equipment obtains environment parameters around the printing equipment; the printing equipment sends the model parameters to the cloud service platform; if the hit item of the model parameter exists in the cloud database of the cloud service platform, the cloud service platform returns a cloud printing parameter corresponding to the model parameter to the printing equipment; if the printing equipment receives the cloud printing parameters, the printing equipment inputs the cloud printing parameters and the environment parameters into an individual correction model to obtain corrected printing parameters, and the individual correction model is obtained by training correction behaviors, collected by the printing equipment, of the user on the cloud printing parameters under different environment parameters; and the printing equipment sets the corrected printing parameters as actual printing parameters of the printing equipment. According to the method, the printing parameters conforming to user preferences can be automatically configured, and the printing experience is improved.

The invention relates to the technical field of thermal printing equipment control, in particular to a dynamic temperature-adjusting thermal printing method and equipment based on an upper computer and a USB bridging chip. The method comprises the steps that original printing content and operation parameters are obtained, field naming standardization, data type unification and default value filling processing are carried out, and a standardized structure is generated; based on the bound physical resolution of the printing head, configuring a rasterization step length and a line buffer size, and generating a printing dot matrix and a basic control parameter set; the concentration, the temperature, the speed and the voltage are correlated and sorted, a temperature adjusting field is generated, and a control signal sequence and dynamic pulse width configuration are obtained through dynamic pulse width calculation; and finally, configuring USB-to-GPIO bridging chip pin mapping, initializing a bus session, setting an output mode, and generating an updated operation parameter set. Fine dynamic temperature adjustment of the printing head is achieved, the printing quality consistency and the equipment reliability are effectively improved, overheating damage is avoided, meanwhile, the hardware architecture is simplified, and the cost is reduced.

The utility model relates to the technical field of thermal printing head manufacturing, in particular to a heating substrate for a thermal printing head and the thermal printing head, which can prevent the printing head from being damaged due to static accumulation, and is characterized in that an anti-static protective film is covered above an insulating protective film; the anti-static protective film extends to the edge or corner part of the insulating protective film, the edge of the anti-static protective film is connected with a conductor outside the insulating substrate through a conductive part on the insulating substrate, and the conductive part adopts a conductive film layer or a conductive adhesive layer formed by sputtering or spraying or printing sintering.

1. The name of the design product: portable thermal printer. 2. The use of the design product: for thermal printing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. The name of the design product: portable thermal printer. 2. The use of the design product: for thermal printing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

A thermal printing apparatus 10 includes the printhead 12; a printhead actuation system 20 attached to the printhead, and a controller 14, which is operable to control the printhead actuation system t

The utility model discloses a high-strength welding structure of a flexible flat cable and a thermal printing head, and relates to the field of printer flat cable fixation, the high-strength welding structure comprises the thermal printing head and the flexible flat cable, the flexible flat cable is welded and fixed at the top end of the thermal printing head, the flexible flat cable is of a three-layer design, the middle layer of the flexible flat cable is exposed and welded with the thermal printing head, and the middle layer of the flexible flat cable is welded with the thermal printing head. The thermal printing head comprises a printing head body and a bonding pad, the bonding pad is fixed to the rear side of the top end of the printing head body, the flexible flat cable comprises a circuit board body, a first square PI film opening, a copper foil opening and a second square PI film opening, the first square PI film opening is formed in the top end of the circuit board body, and the second square PI film opening is formed in the bottom end of the circuit board body. According to the high-strength welding structure of the flexible flat cable and the thermal printing head provided by the utility model, the design that the two surfaces of the copper foil layer located at the middle layer are exposed can be adsorbed at the bonding pad of the thermal printing head through soldering tin, so that the overall anti-pulling strength and stability are greatly improved.

The utility model provides a high-heat-dissipation film thermal printing head, and belongs to the technical field of thermal printing, the printing head comprises a heat dissipation plate and a heating substrate, the heating substrate comprises an insulating substrate, and a local glaze coating layer, a heating resistor body, a lead electrode and a protective layer which are arranged on the upper surface of the insulating substrate, the heat dissipation plate is located on the lower surface of the insulating substrate, and the heat dissipation plate is located on the lower surface of the insulating substrate. One side of the front end of the heat dissipation plate extends towards the insulation substrate in the direction perpendicular to the wide breadth face of the heat dissipation plate to form a heat dissipation plate boss, and the lower surface and the front edge end face of the insulation substrate are connected with the upper surface of the heat dissipation plate and the side face of the heat dissipation plate boss respectively for heat transfer. The height h11 of the heat dissipation plate boss is 10%-100% of the thickness of the insulating substrate. According to the printing head, the heat dissipation effect can be enhanced through the specific structure and material combination of the boss of the heat dissipation plate and the arrangement of the local glaze coating, heat dissipation is controlled according to needs, and therefore the printing speed of the printing head is increased, and the service life of the printing head is prolonged.

1. The name of the design product: thermal printer. 2. The use of the design product: for thermal printing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model discloses a kind of composite film thermal printing mechanism, including shell, paper feed roller, photosensitive roller group and fixing roller group being movably installed in shell, temperature control structure is installed on the fixing roller group and photosensitive roller group, and the two parallel side walls of shell are respectively provided with paper inlet groove and paper outlet groove, temperature control structure can carry out temperature adjustment control to fixing roller group and photosensitive roller group.The utility model can accurately control the temperature of fixing roller group and photosensitive roller group by temperature control structure, prevent the temperature of fixing roller group and photosensitive roller group from being too high, and the problem of excessive or insufficient fixing appears, avoid the problem of excessive viscosity of hot melt layer due to excessive fixing temperature, avoid damaging the internal components of printer, affect the normal service life of printer.

The present application provides a medium, a cartridge, a thermal printer, and a method of creating a medium. The medium includes: a thermal medium for thermal printing; and an adhesive medium stacked on the thermal medium in a thickness direction and bonded to the thermal medium. The thermal medium includes: a surface in contact with the adhesive medium; a thermal medium base material having transparency; and a first color generation layer having transparency. The thermal medium base material has a concave-convex shape having a roughness greater than a roughness of the surface of the thermal medium. The first color generation layer is configured to generate a first color when heated to a temperature higher than or equal to a first temperature. The adhesive medium includes: an adhesive medium base material; and an adhesive layer provided on the adhesive medium base material. The adhesive layer is in contact with the surface of the thermal medium such that the adhesive medium is bonded to the thermal medium.

The application provides a thermal printer integrated with PC functions, and relates to the technical field of thermal printing. The thermal printer integrated with PC functions comprises a printer support and a thermal printer body. The thermal printer body is located above the printer support. A host docking seat is fixedly connected to the upper surface of the rear of the printer support. A machine case placement plate is vertically fixedly connected to the upper surface of the host docking seat. A PC machine case is installed on the machine case placement plate. The thermal printer and the computer are integrated in the application. The thermal printer integrated with PC functions has better data calculation and information processing functions. The thermal printer can remotely receive data through a network for printing, so that the printing work is more convenient and fast, and the practicality of the thermal printer is improved. When the printer is transferred, the printer integrated with the computer can be directly carried without repeated disconnection and connection of wires, and the influence of messy data lines on the neatness of the office environment is avoided.

The utility model discloses a thermal printer double-module assembly structure capable of improving printing definition, and relates to the technical field of printers. The cover comprises an upper cover assembly, the front side of the upper cover assembly is fixedly connected with a lower cover plate, the rear side of an inner cavity of the upper cover assembly is provided with a middle frame assembly, and the top of the upper cover assembly is provided with a flip cover assembly. According to the utility model, through the integrated design of the printing head mechanism and the flip cover assembly and the combination of a J-shaped hook, a trapezoidal hole and a runway-shaped hole positioning structure of the middle frame assembly, the accurate alignment of the printing head mechanism and a rubber roller gear set is realized, the assembly complexity is reduced through the modular design, the dependence on the processing precision of a plastic part is reduced, and the moving direction of a printing head bracket is limited; the thermal printing sheet is ensured to be strictly aligned with the center of the rubber roller, so that the printing definition and stability are improved, the flip assembly is compact in structure, the space layout is optimized, the problem that a traditional movable structure occupies too large space is solved, and equipment miniaturization is facilitated.

This invention discloses a thermal printing control method and a microprocessor chip. The thermal printing control method includes: in response to a printing request, dividing the pixels of the row to be printed into at least a first group of pixels and a second group of pixels; heating the first group of pixels according to a first sequence of heating pulses, and heating the second group of pixels according to a second sequence of heating pulses, thereby completing the heating and printing of the pixels of the row to be printed. This invention solves the problems of excessive instantaneous current and localized overheating caused by simultaneous heating of multiple pixels during thermal printing.

A mounting structure of a thermal printing head assembly comprises an upper cover assembly and the thermal printing head assembly arranged on the inner side of the upper cover assembly, and is characterized in that at least one end of the thermal printing head assembly is restrained at a preset position on the inner side of the upper cover assembly through an elastic clamping hook; an elastic piece is arranged between the back face of the thermal printing head assembly and the inner wall of the upper cover assembly, and the load applying direction of the elastic piece to the thermal printing head assembly is opposite to the restraining force direction of the elastic clamping hook to the thermal printing head assembly. The utility model also discloses a thermal printer. The thermal printing head assembly is arranged through the elastic clamping hook and the elastic piece, the thermal printing head assembly can be disassembled conveniently and rapidly only by pressing the elastic clamping hook easily during disassembly, the thermal printing head assembly is not prone to displacement after being positioned, the printing quality is ensured, the elastic clamping hook is loosened during installation, the elastic clamping hook is deformed and restored, and the thermal printing head assembly can be disassembled conveniently and rapidly. And the positioning is completed.

The present invention relates to the use of one or more of compounds of formula (I) wherein R1, R2, R3, R4, R5 and R6 are independent from each other selected from the group consisting of hydrogen, hydroxy, methyl, methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy, tert-butoxy, pentoxy, isopentoxy, and neopentoxy, wherein at least two of R1, R2, R3, R4, R5 and R6 are different from hydrogen, and at least one of R1, R2, R3, R4, R5 and R6 is hydroxy, n is an integer between 1 and 5, and m is an integer between 1 and 5, as a color developer for leuco dyes.

The application discloses a thermal transfer printer ribbon tension stable control system and method. The system comprises a first driving assembly, a second driving assembly and a control module; the first driving assembly is connected with the second driving assembly through a ribbon; the control module is electrically connected with the first and second driving assemblies; in an initialization stage, the control module controls the first driving assembly to be in a motor mode and the second driving assembly to be in a power generation braking mode to make the ribbon forwardly travel a preset distance, and controls the first driving assembly to be switched to the power generation braking mode and the second driving assembly to be switched to a motor module to make the ribbon reversely travel a preset distance; in a thermal printing stage, the control module controls the first driving assembly to be switched to the motor mode again and the second driving assembly to be switched to the power generation braking module again to make the ribbon forwardly travel a thermal printing distance, and controls the first driving assembly to be switched to the power generation braking mode again and the second driving assembly to be switched to the motor module again to make the ribbon reversely travel a thermal printing distance. The application realizes stable control of the ribbon tension.

The utility model provides a thermal printing head capable of enhancing ACF binding force, and relates to the technical field of thermal printing, the thermal printing head comprises a heating substrate, an ACF layer arranged on the upper surface of one side of the heating substrate, and a circuit board pressed on the ACF layer; the heating substrate comprises an electrode wire, pin parts of the electrode wire extend to a pressing area between the heating substrate and the circuit board and are in circuit conduction with the circuit board through an ACF layer located above the pin parts, and a plurality of protruding parts are distributed in the pressing area in the arrangement direction of the pin parts at intervals. The upper surface of each protruding part is connected with the corresponding pin part. According to the thermal printing head, the bonding strength of the ACF layer and other parts can be remarkably enhanced, connection failure is avoided, and the quality and the service life of the thermal printing head are guaranteed.

The invention discloses a thermal printing dynamic typesetting method and electronic equipment, which are applied to a thermal printer, and the method comprises the following steps: obtaining a target element to be circularly printed, a circulation direction and a circulation frequency; establishing a first canvas based on the size, the cycle direction and the cycle times of the target element; arranging the first canvas on a drawing board to obtain a first area; and sequentially arranging the target elements on the first area along the circulation direction until the circulation times are reached, and completing typesetting. According to the method and the device, the target elements to be circularly printed and the required circulation directions and the circulation times of the target elements are obtained, and after the first canvas is arranged on the drawing board and the first area is obtained, the target elements are automatically and sequentially arranged in the circulation direction in the first area, so that circular typesetting of the target elements is completed; the problems that in the prior art, only static images are printed at fixed positions, and the printing efficiency is low are solved.

The invention discloses a picture data processing method based on Bluetooth printing and related equipment, and relates to the field of thermal printing. In the process of converting the picture into the printing instruction by the processing equipment, the Alpha channel is filtered by using the transparency threshold value, so that black block interference caused by binarization misjudgment of a transparent background is eliminated, and the background is ensured to be pure; and further determining the maximum physical width of the Bluetooth printer in combination with the equipment identifier of the Bluetooth printer, and dynamically calculating the center offset to perform intelligent centering interception on the two-dimensional matrix. According to the method, image sources with different sizes and transparencies are automatically adapted to the target printer specification without manual intervention, so that the cutting loss or offset of image core contents (such as Logo or two-dimensional codes) is avoided, and the image compatibility and output definition of mobile terminal Bluetooth printing are improved.

The invention belongs to the technical field of photo-thermal ink coatings, and particularly relates to a preparation method of a photo-thermal ink coating. The photo-thermal printing ink is obtained by mixing and reacting 40-100 parts of photo-thermal suspension liquid, 5-10 parts of Arabic gum and 8-16 parts of glycerinum. Wherein the photo-thermal suspension is obtained by mixing cellulose nanofibers, ferroferric oxide / multi-walled carbon nanotubes, methyltrimethoxysilane and ammonia water, and reacting to form a siloxane bonding network. The ferroferric oxide / multi-walled carbon nanotube is obtained by reacting an aminated multi-walled carbon nanotube and nano ferroferric oxide according to a mass ratio of 1: (0.5-1). According to the photo-thermal ink, through surface amination modification and multi-component synergy, the wide spectrum absorptivity reaches 88.9%, and the photo-thermal ink has excellent photo-thermal conversion efficiency and substrate adhesion and is suitable for photo-thermal conversion and functional surface construction.

The utility model discloses a kind of thermal printing wristbands, it is related to label technical field, wherein, thermal printing wristband includes heat-sensitive layer and substrate layer, heat-sensitive layer and substrate layer are stacked, substrate layer is extended to form edge covering structure in the width direction of both sides, the width direction edge of heat-sensitive layer is covered, and substrate layer and heat-sensitive layer are aligned in the end of length direction;The technical scheme provided by the utility model can improve the durability and reliability of wristband.

Embodiments of the present application provide a thermal printing method and device, a storage medium and an electronic device, wherein the method comprises: determining a gray scale order corresponding to each to-be-printed point in to-be-printed content in a group of gray scale orders, and determining a number of printing points corresponding to each gray scale order; determining a target heating duration corresponding to each gray scale order according to a current parameter value of a target device parameter of a printing device, the number of printing points corresponding to each gray scale order, and a preset debugging table, wherein the target device parameter is used to represent a running state of the printing device, and the preset debugging table is used to record a heating duration corresponding to different gray scale orders, different numbers of printing points, and different parameter values of the target device parameter; and controlling a printing component of the printing device to heat the to-be-printed points corresponding to each gray scale order according to the target heating duration corresponding to each gray scale order, so as to complete printing of the to-be-printed content. Through the present application, the printing effect of the printer is improved.