Class / Patent application number | Description | Number of patent applications / Date published |
347188000 | Density control | 45 |
20080297582 | THERMAL PRINTING APPARATUS AND PRINTING METHOD THEREOF - The present invention discloses a thermal printing apparatus and printing method thereof. The thermal printing apparatus includes a memory unit and a control unit. The method of the present invention includes storing at least a predetermined control mapping table, the predetermined control mapping table for recording control parameter settings of a thermal print head corresponding to different image gray levels under a predetermined power value; calculating an actual power value of the thermal print head; determining a target control mapping table according to the actual power value, the predetermined power value, and the predetermined control mapping table; and driving the thermal print head to print according to the target control mapping table. | 12-04-2008 |
20090122128 | TACHOGRAPH FOR A MOTOR VEHICLE, PAPER STRIP FOR A TACHOGRAPH AND METHOD FOR ALIGNING A LONGITUDINALLY DISPLACEABLE PAPER STRIP WITH RESPECT TO A PRINTING DEVICE IN A TACHOGRAPH - A paper strip ( | 05-14-2009 |
20090153639 | METHOD TO FORM LATENT IMAGE ON OVERCOAT LAYER, VISUALIZING METHOD OF LATENT IMAGE, AND VISUALIZING TOOL EMPLOYED WITH PRINTER DEVICE FORMING LATENT IMAGE AND VISUALIZING METHOD - A method of forming a latent image portion on an overcoat layer by a difference in surface brilliance, at the time of layering an overcoat layer on a thermal transfer subject sheet by a heat transfer method, includes the steps of: setting at least two types of applied energy from the thermal head wherein a plurality of thermal elements are arrayed in line form, and layering the overcoat layer on the thermal transfer subject sheet; forming a difference in surface brilliance made up of a region of relatively high degree of brilliance and a region of relatively low degree of brilliance, based on the difference in the applied energy, to form a line pattern with a plurality of lines; and forming the lines by shifting a phase of a line pattern of the latent image portion and the line pattern of a background portion excluding the latent image portion. | 06-18-2009 |
20100085408 | Printing method for thermal printer, computer program, and thermal printer apparatus - To reduce sticking without increasing a print time period in a thermal printer, a printing method comprises: an energizing start delay time calculating procedure of calculating delay time from end of paper feed of the thermal paper until start of energizing of the thermal head based on interval time of paper feed of the thermal paper that is performed in a step manner and energization time for energizing the thermal head correspondingly to data to be printed; a measuring procedure of measuring elapsed time after the end of the paper feed of the thermal paper; an energizing procedure of energizing the thermal head after the delay time calculated in the energizing start delay time calculating procedure has passed based on a result of the measurement obtained in the measuring procedure; and a paper feed procedure of moving the thermal paper in a step manner after end of the energization of the thermal head in the power supplying procedure. | 04-08-2010 |
20100118101 | Thermal transfer printer - A thermal transfer printer includes: an ink ribbon conveyor unit that conveys an ink ribbon; a sheet conveyor unit that conveys a sheet; a dummy pattern generation unit that generates a dummy pattern; an image data generation unit that generates print image data joining n screens together, the print image data including the dummy pattern inserted between two adjacent screens among the n screens; a thermal head that transfers a dye coated on the ink ribbon in accordance with the print image data; and a peeler unit that peels the ink ribbon from the sheet. An average density of the dummy pattern is equal to an average density of the image over an area equivalent to a distance between a tail end portion of the thermal head and the peeler unit, on one screen that follows the dummy pattern. | 05-13-2010 |
20100309273 | IMAGING PATTERNS OF FEATURES WITH SKEWED EDGES - A method is provided for forming an image of a pattern of features on media which includes determining a pitch of the features along first and second directions and determining a first size of a first pixel based at least on the pitch of the features along the first direction. A second size of a second pixel is determined based at least on the pitch of the features along the second direction. An offset is determined along the scan direction between a first and second scan-line of pixels, based at least on the skew angle and the first size. The imaging head is controlled to form the first pixel comprising the determined first size and the second pixel comprising the determined second size. The imaging head is controlled to form the first scan-line and the second scan-line, offset from one another by the determined offset. | 12-09-2010 |
20110063394 | METHOD OF CONTROLLING THERMAL PRINTING - A method of controlling thermal printing based upon print density. The method includes receiving pre-formatted data representing information to be printed on two sides of a thermal print media from a computer by a processor of a thermal printer, analyzing the pre-formatted data by the thermal printer to determine different types of data to be printed with different print densities by the processor, determining an average print density of the different print densities by the processor, determining that the average print density is greater than a predetermined average print density by the processor, determining a power level required to print the data, and directing first and second thermal print heads to print the data based upon the required power level by the processor. | 03-17-2011 |
20110249070 | Thermal transfer printhead and printing system using such a printhead - A printhead and print system is provided that includes a printer and a control unit connected by a cable. The printhead has a printed circuit board that is modified to include a digital thermometer having a non-volatile memory programmed with the printhead resistance. The control unit reads the printhead resistance directly from the printhead which improves print quality and eliminates the need for manual entry of the printhead resistance when the printhead is replaced. The modified printhead also uses fewer wires in the cable, allowing the cable to be made thinner and more manageable, and increasing the accuracy of temperature measurements conveyed thereover. | 10-13-2011 |
20130057634 | INDICATION OF PRINT MEDIA QUALITY TO PRINTER USERS - A printing system for indicating print media quality to printer users includes a printing assembly configured to route print media along a pathway for printing. In an example, the system includes, but is not limited to, a thermal printer having a thermal print head for printing onto paper. The system also includes a light meter configured to detect light reflected from the print media, such as the paper. The light meter also measures a characteristic of the detected light. An indicator is coupled to the light meter, and configured to present a quality level of the print media to a user based on the measured characteristic of the detected light. | 03-07-2013 |
20130093826 | PRINTER APPARATUS AND LAMINATING METHOD - A printer apparatus including a printing-medium conveying unit conveying a printing medium, a sheet conveying unit conveying a thermal transfer sheet having an image protecting layer to be thermally transferred onto an image formed on the printing medium, a thermal head with heating elements linearly arranged in a direction orthogonal to a conveyance direction of the printing medium, and a control unit driving and controlling the thermal head. For selectively applying different amounts of thermal energy to the heating elements to form an uneven pattern on the image protecting layer thermally transferred onto the image on the printing medium, the control unit randomly divides a row of the heating elements into heating element groups each including at least two adjacent heating elements, applies the same amount of thermal energy to heating elements in the same heating element group, and applies different amounts of thermal energy to adjacent heating element groups. | 04-18-2013 |
20130229478 | PRINTING SURFACE PROCESSING METHOD AND PRINTING SURFACE PROCESSING APPARATUS - A printing surface processing method includes first forming, second forming and applying. In the first forming, a substantially flat first image expressed with unevenness sense based on a touch and/or a stroke of a brush is formed on a first face of a thermal expansion sheet. In the second forming, a second image constituted of a grayscale image is formed on a second face of the sheet. The grayscale image includes a dark portion and a light portion with densities set to form a substantially uneven shape on the first face. The uneven shape corresponds to the unevenness sense of the first image and unevenness sense of fabric where the first image is supposed to be formed. In the applying, thermal energy is applied to the second image to expand the sheet to form the uneven shape on the first face. | 09-05-2013 |
20130328988 | THERMAL HEAD AND THERMAL PRINTER INCLUDING THE SAME - A thermal head capable of reducing abrasion of the conductive layer and reducing damage of heat-generating portions is provided. A thermal head includes a substrate, a plurality of heat-generating portions disposed on or above the substrate, electrodes provided on or above the substrate and electrically connected to the plurality of heat-generating portions, and a protective layer provided along an arrangement direction of the plurality of heat-generating portions, the protective layer covering the plurality of heat-generating portions and the electrodes. The protective layer has an electrical insulating layer covering the plurality of heat-generating portions and the electrodes, a conductive layer provided on the electrical insulating layer, and an abrasion resistance layer provided on the conductive layer. Part of the conductive layer is an exposed portion exposed from the abrasion resistance layer. | 12-12-2013 |
20150029287 | Printer - The disclosure discloses a printer including a controller. The controller executes a first control, a second control and a switching control. In the first control, it is achieved that a first coordinated state wherein a pulse/dot ratio when a pulse motor rotates at a first rotation speed is set to a first ratio. In the second control, it is achieved that a second coordinated state wherein the pulse/dot ratio when the pulse motor rotates at a second rotation speed is set to a second ratio that is smaller than the first ratio. In the switching control, the pulse/dot ratio is gradually decreased from the first ratio to the second ratio when the first coordinated state is switched to the second coordinated state, and is gradually increased from the second ratio to the first ratio when the second coordinated state is switched to the first coordinated state. | 01-29-2015 |
20160052316 | PRINTING DEVICE, CONTROL METHOD OF A PRINTING DEVICE, AND A PROGRAM - A control method of a printing device comprising setting a threshold value based on a first detection value and a second detection value acquired from a detector when a target object is in a first state; comparing the threshold value with a detection value acquired from the detector and determining whether the target object is in a first state or a second state; and setting the threshold value at a time when printing starts on the target object. | 02-25-2016 |
20160082758 | TRI-STATE DETECTOR FOR DETECTING TYPES OF LIGHT - Provided herein are devices, systems, methods and various means, including those related to printer systems and, more particularly, relate to methods, apparatuses, systems and other means for monitoring a printer ribbon. Some embodiments use a multi-element detector, which is configured to detect a particular type of light emitted from a light emitter. The multi-state detector can include two sensors, one of which includes a polarizer filter that blocks polarized light. Embodiments can be used to determine, among other things, whether or not a printer ribbon is installed in a printer without the use of a snap plate. | 03-24-2016 |
347189000 | In accordance with ambient temperature | 2 |
20080278562 | Method of and system for controlling thermal head and stencil material roll - In a thermal head control system for controlling heating energy to a thermal head perforating stencil material unrolled from a stencil material roll, the heating energy to a thermal head is controlled according to the surface condition of the stencil material. The residue of stencil material M in a stencil material roll ( | 11-13-2008 |
20110069131 | THERMAL PRINTING APPARATUS AND CONTROL METHOD THEREOF - A thermal printing apparatus includes a thermal head having a plurality of heating elements arranged in a line. The thermal printing apparatus may further includes a control unit configured to determine conduction times of the heating elements based on print rates respectively assigned to the plurality of heating elements. The control unit may be further configured to compensate each of the determined conduction times based on the conduction times of the heating elements other than the respective heating element to determine a plurality of compensated conduction times. The control unit may control each of the plurality of heating elements based on the respective one of the plurality of compensated conduction times to enable the thermal head to perform printing on a recording medium. | 03-24-2011 |
347190000 | By number of heated recording elements | 3 |
20090185021 | TWO-SIDED THERMAL PRINT CONFIGURATIONS - Apparatus and methods for two-sided direct thermal printing are disclosed. In one embodiment, a dual-sided direct thermal printer comprising a first thermal print head and a second thermal print head is provided wherein a surface of the first thermal print head acts as a platen for the second thermal print head. | 07-23-2009 |
20120249714 | PRINTER, PRINTING SYSTEM AND COMPUTER-READABLE MEDUIM HAVING INSTRUCTIONS FOR PRINTING - A printer having a ribbon heated by energization of a thermal head to transfer color ink and transparent laminate material from the ribbon to a recording medium. The printer includes a first storage section configured to store ink energization data, a second storage section configured to store laminate energization data an energization controlling section, and a correction section that corrects the laminate energization data in response to a residual heat quantity of the thermal head after the ink is thermally transferred in accordance with stored ink energization data and corrects the laminate energization data. | 10-04-2012 |
20130194371 | METHOD FOR CONTROLLING PRINTING SPEED OF THERMAL HEAD - A method for controlling a printing speed of a thermal head having a plurality of heater elements arranged in a line includes: dividing a set of printing data into blocks each comprising one or more printing lines aligned in a main scanning direction, in which the dividing is in a sub scanning direction, and in which a block including a first predetermined number of printing lines is regarded as a unit block; calculating the number of the heater elements to be driven for each of printing lines included in a block as the number of on-dots, and comparing the numbers of on-dots for the block to obtain a maximum number of on-dots for the block; and setting a printing speed for one block to be slower than a printing speed for another block with smaller maximum number of on-dots than maximum number of on-dots for the one block. | 08-01-2013 |
347191000 | In accordance with thermal output characteristic of the recording means | 2 |
20090309946 | Thermal Response Correction System for Multicolor Printing - Thermal history control is performed in a thermal printer in which a single thermal print head prints sequentially on multiple color-forming layers in a single pass. Each pixel-printing interval may be divided into segments, each of which may be used to print a different color. The manner in which the input energy to be provided to each print head element is selected may be varied for each of the segments. Different energy computation functions may be used to compute the energy to be provided to the print head in each of the segments based on the predicted print head element temperature at the beginning of the segment, the color to be printed, and the energy that was supplied when printing other colors during the time period between the beginning of the segment of the current pixel-printing interval and the end of the equivalent segment of the previous pixel-printing interval. | 12-17-2009 |
20100110158 | PRINTING APPARATUS AND METHOD - A printing apparatus is provided which uses, as a print head, a thermal head having heating elements arrayed in a line perpendicular to the traveling direction of a printing medium. Correspondingly pixel data, at either end, or near the end, of each line of image data going to be printed, data on heat storage in the thermal head ( | 05-06-2010 |
347192000 | By variation in power supply | 5 |
20090002472 | Thermal Print Head Temperature Estimation System - A method estimates the temperature of a thermal print head element during printing. In one embodiment, the temperature is estimated using the resistance of the thermal print head element, which typically changes with the print head element temperature. The change in resistance of the print head element is exploited to indirectly estimate the temperature of the print head element. | 01-01-2009 |
20110018951 | THERMAL PRINT HEAD, THERMAL PRINTER AND PRINTER SYSTEM - A thermal print head includes a heating resistor for forming images on a print target by generating heat, and a driver for controlling power supply to the heating resistor. The thermal print head also includes a storage unit and a controller. The storage unit stores print data inputted from outside. The controller causes a transfer action and a printing action to be repeated alternately, wherein the transfer action includes retrieving print data from the storage unit and transferring the retrieved print data to the driver, and the printing action includes causing the driver to retain the transferred print data and supplying power to portions of the heating resistor selected in accordance with the print data retained by the driver, so as to conduct printing. | 01-27-2011 |
20110181677 | HEAD ELEMENT OPERATION CHECK MECHANISM, HEAD ELEMENT OPERATION CHECK METHOD, AND HEAD ELEMENT NUMBER CHECK METHOD - A head element operation check mechanism in a printer which is provided with a head including a plurality of head elements is provided. A controller controls a selector to selectively and electrically connect a resistor element provided in each of the head elements to a test resistor element in series. A test power source applies a test voltage to a serial circuit of the test resistor element and the resistor element. A divided voltage measuring unit measures a divided voltage of the serial circuit of the test resister element and the resistor element in response to control of the controller. | 07-28-2011 |
20110242254 | THERMAL PRINT HEAD DETECTING DEVICE AND DETECTING METHOD, AND A HEAT PRINTER USING THE SAME - A thermal print head detecting device comprises a power supply ( | 10-06-2011 |
20130169728 | PRINTER - This disclosure discloses a printer comprising a feeder, a thermal head, an energizing device configured to selectively energize heating elements of the thermal head, a driving device configured to control a driving of the feeder, a battery storage part, a voltage detecting device configured to detect an output voltage value of the battery, a display device, and a control device. The control device executes a dot count identification process where a dot count is identified at a first timing and a second timing, a dot voltage fluctuation value calculation process where a voltage fluctuation value per dot is calculated, a maximum load voltage estimation process where a voltage value of the battery is estimated at a time equivalent to maximum load, a consumption level determination process where a consumption level of the battery is determined, and a display process where a predetermined display is executed on the display device. | 07-04-2013 |
347193000 | By transfer material or record receiver | 1 |
20080278563 | Method of and system for controlling thermal head and stencil material roll - In a thermal head control system for controlling heating energy to a thermal head perforating stencil material unrolled from a stencil material roll, the heating energy to a thermal head is controlled according to the surface condition of the stencil material. The residue of stencil material M in a stencil material roll ( | 11-13-2008 |
347194000 | In accordance with temperature of the recording means | 9 |
20090009579 | Thermal Printer - The thermal printer of the present invention is a thermal printer for printing on a print medium by thermally transferring an ink ribbon by means of a thermal head, wherein the thermal printer comprises a density controller for keeping the print density of the thermal head low in low-temperature control for raising the print density at low temperatures. The density controller comprises a density calculator for calculating a density evaluation value by finding an average gradation value of print data for each of a plurality of dots included in the predetermined region, a comparator for comparing the calculated density evaluation value with a predetermined value, and an adjuster for adjusting, on the basis of this comparison result, the print density in driving and printing with the thermal head to a low value for print data of high gradation exceeding a predetermined gradation value in print data on a printed line when the density evaluation value exceeds a predetermined value. The printing of each dot by the thermal head is controlled on the basis of the adjusted print density. Even if low temperature control is carried out by the thermal head when the ambient temperature is low, the occurrence of ink ribbon wrinkling due to the effect of print density is suppressed. | 01-08-2009 |
20100118102 | DOUBLE-SIDE PRINTER SYSTEM AND CONTROL METHOD THEREOF - The embodiments of the present invention relate to a double-side printer system in which two thermal heads printing print data on a front face and a back face of a thermal recording paper in which thermo-sensitive layers are formed on both sides are provided, and when these thermal heads are driven in accordance with the print data, temperatures of these thermal heads are sensed in order to vary print densities of the data to be printed, and ON/OFF times for electrical connections are controlled with respect to heater elements of the respective thermal heads, and to a control method thereof. | 05-13-2010 |
20100118103 | DOUBLE-SIDE PRINTER SYSTEM AND CONTROL METHOD THEREOF - The embodiments of the present invention relate to a double-side printer system in which two thermal heads printing print data on a front face and a back face of a thermal recording paper in which thermo-sensitive layers are formed on both sides are provided, and when these thermal heads are driven in accordance with the print data, temperatures of these thermal heads are sensed in order to vary print densities of the data to be printed, and ON/OFF times for electrical connections are controlled with respect to heater elements of the respective thermal heads, and to a control method thereof. | 05-13-2010 |
20120081494 | Platen Temperature Model - The input energies provided to a print head of a thermal printer are adjusted based on the temperature of a platen in the thermal printer. The platen temperature may be measured by a sensor or predicted by a platen temperature model. Such a model may derive the predicted platen temperature from an observed temperature of a heat sink in the thermal printer. A thermal history control algorithm may use the platen temperature, whether actual or predicted, to compensate for the platen temperature by adjusting the input energies. | 04-05-2012 |
20120218366 | THERMAL PRINTER AND ENERGIZING CONTROL METHOD THEREFOR - A thermal printer having a thermal head with a heat element that heats a recording medium and forms a print dot by energizing the heat element generates a first energizing pulse that energizes continuously during a first period for forming a print dot when the recording medium conveyance speed is greater than a specific threshold value; and generates a second energizing pulse that alternates during the first period between energizing for a second period that is shorter than the first period and de-energizing for a third period when the recording medium conveyance speed is less than or equal to the threshold value. | 08-30-2012 |
20120224014 | LABEL PRINTING DEVICE AND LABEL PRINTING METHOD - According to one embodiment, a label printing device includes an image rendering unit configured to render a label image on a recording medium. The label printing device further includes a control unit configured to set an operation mode to one of a first operation mode, in which printing is performed while keeping a print speed constant, and a second operation mode, in which printing is performed while keeping a print concentration constant, and further configured to control the image rendering unit to render the label image in the selected mode. | 09-06-2012 |
20130208070 | PRINTER CHARACTERIZATION OF PRINT MEDIA - A printer has a heat source disposed adjacent a temperature sensor to transfer heat upon activation across a portion of an introduced print media to the temperature sensor and a controller to receive a signal from the temperature sensor and to obtain a temperature signature generally identifying attributes of the introduced print media and to adjust print head settings in response to the identified attributes. The printer may further comprise a sensor to detect access to a print media storage compartment and to initiate examination of the heat transfer properties of the introduced print media upon detecting that the print storage compartment has been accessed. | 08-15-2013 |
20130208071 | PRINTING CONTROL APPARATUS - In a printing control apparatus, there are arranged one pulse application period of which from-start-to-end is series of sub-pulse application time, main-pulse application time and non-heating time and other pulse application periods which follow the one pulse application period and of which from-start-to-end is repeated series of main-pulse application times and non-heating times. As temperature is higher, proportion of applied-for-sub-pulse energy amount to total energy amount in one pulse application period is made larger. As temperature is higher, proportion of applied-for-main-pulse energy amount to total energy amount in other pulse application periods that follow one pulse application period is made smaller. | 08-15-2013 |
20160167394 | Method for Printing Security Documents on Thermal Paper | 06-16-2016 |
347195000 | By history of recording elements | 8 |
20080316291 | PARAMETRIC PROGRAMMABLE THERMAL PRINTER - A parametric programmable thermal printer is disclosed. The printer may include a controller that performs functions such as thermal history control and common mode voltage correction. The controller may be implemented in an integrated programmable medium such as a Field-Programmable Gate Array (FPGA). Functions performed by the controller may be parameterized, and parameter values may be stored in registers. The controller may be used with a different thermal printer by changing the parameter values and/or reprogramming the programmable medium, and without otherwise redesigning or remanufacturing the controller. | 12-25-2008 |
20100066797 | METHOD OF CONTROLLING THERMAL PRINTING - A method of controlling thermal printing based upon print density. The method includes receiving pre-formatted data representing information to be printed on two sides of a thermal print media from a computer by a processor of a thermal printer, analyzing the pre-formatted data by the thermal printer to determine different types of data to be printed with different print densities by the processor, determining an average print density of the different print densities by the processor, determining that the average print density is greater than a predetermined average print density by the processor, determining a power level required to print the data, and directing first and second thermal print heads to print the data based upon the required power level by the processor. | 03-18-2010 |
20100302336 | Thermal Printer - A thermal printer comprising a printing control unit for correcting current dot printing data supplied from a host based on a previous dot history, and supplying the dot printing data to a print head unit. In accordance with the invention, the printing control unit comprises a line buffer unit for accumulating the current dot printing data; a shift register unit for getting and passing the current dot printing data and previous dot history data from the line buffer unit to a logic circuit unit, which is capable of changing data logic for driving the print head unit based on output from the shift register unit; a configuration registration unit for storing configuration data for setting the data logic of the logic circuit unit according to an energizing pattern; a node control circuit unit for switching the logic circuit unit to output data to the print head unit; and a sequencer unit for controlling the timing of the shift register units, the logic circuit units, and the node control circuit unit. | 12-02-2010 |
20110181678 | THERMAL PRINTING MECHANISM, THERMAL PRINTER, AND THERMAL PRINTING METHOD - A thermal printing mechanism includes a head unit having a heating element; an energizing unit that energizes the heating element; and an energizing control unit that controls the energizing unit to energize the heating element for a total energization time set according to a color density of a pixel so that the higher the color density is, the longer the total energization time becomes. The energizing control unit divides the total time period into energization time units, based on printing speed; specifies energization time units for energization so that a sum thereof is equivalent to the total energization time; and performs control so that if the printing speed is lower than a first printing speed, the energization time units appear continuous, and if the printing speed is equal to or higher than the first printing speed, the energization time units do not appear continuous. | 07-28-2011 |
20110242255 | THERMAL PRINTER - A thermal printer includes a thermal head and a control unit that controls energization of each of a plurality of heater elements based on printing data including a plurality of line data arrays corresponding to the plurality of heater elements respectively, for selectively heating up the plurality of heater elements, and performs printing according to an order at the printing data while taking a line data array as a basic unit, on each printing cycle including a heating period and a non-heating period. The control unit delays a start of a heating period in a printing cycle with respect to a start of the printing cycle for a predetermined time period when a predetermined condition with respect to the line data array is satisfied. | 10-06-2011 |
20120218367 | Thermal Response Correction System for Multicolor Printing - Thermal history control is performed in a thermal printer in which a single thermal print head prints sequentially on multiple color-forming layers in a single pass. Each pixel-printing interval may be divided into segments, each of which may be used to print a different color. The manner in which the input energy to be provided to each print head element is selected may be varied for each of the segments. Different energy computation functions may be used to compute the energy to be provided to the print head in each of the segments based on the predicted print head element temperature at the beginning of the segment, the color to be printed, and the energy that was supplied when printing other colors during the time period between the beginning of the segment of the current pixel-printing interval and the end of the equivalent segment of the previous pixel-printing interval. | 08-30-2012 |
20140253659 | DUPLEX PRINTER APPARATUS - In accordance with one embodiment, a duplex printer apparatus comprises a first printing section configured to use an inkjet mechanism for carrying out printing on a first surface of a paper wound in a roll shape; a second printing section configured to be arranged at the downstream side of the first printing section in a paper conveyance direction and use a thermal printing mechanism for carrying out printing on a second surface serving as the back side of the first surface of the paper; and a heat amount changing section configured to change, according to the difference of printing by the first printing section, a driving condition of the thermal printing mechanism when the second printing section applies heat to a paper. | 09-11-2014 |
347196000 | Using pulse width modulation | 1 |
20100085409 | Thermal printer apparatus and printing method - To provide a thermal printer apparatus and a printing method that can be adapted to different types of thermal paper having different thermal conductivity characteristics, a dot data memory | 04-08-2010 |