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Class Information
Number: 347/188
Name: Incremental printing of symbolic information > Thermal marking apparatus or processes > Density control
Description: Subject matter comprising a regulating means for controlling amount of heating energy supplied to the recording means to maintain a uniform output on the produced symbol or mark.

Sub-classes under this class:

Class Number Class Name Patents
347/195 By history of recording elements 106
347/190 By number of heated recording elements 59
347/193 By transfer material or record receiver 59
347/192 By variation in power supply 64
347/189 In accordance with ambient temperature 38
347/194 In accordance with temperature of the recording means 120
347/191 In accordance with thermal output characteristic of the recording means 69

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8705138 Image forming apparatus including an image calibration system Apr. 22, 2014
8692856 Print apparatus adapted to move in a predetermined direction and a reverse direction of the predetermined direction Apr. 8, 2014
8693058 Image forming apparatus and image forming method to provide multi-bit data by combining a plurality of successive binary data Apr. 8, 2014
8654160 Printing control apparatus Feb. 18, 2014
8610750 Print head pulsing techniques for multicolor printers Dec. 17, 2013
8564632 Thermal printer Oct. 22, 2013
8502846 Print head pulsing techniques for multicolor printers Aug. 6, 2013
8467101 Image forming apparatus for adjusting dot size Jun. 18, 2013
8459769 Grayscale printing control method and device Jun. 11, 2013
8456498 Printing apparatus Jun. 4, 2013
8446653 Image forming apparatus and image forming method which prevent toner from peeling from a secondary color area of a multicolor image while the image is on the photosensitive member of the appar May. 21, 2013
8363075 Thermal transfer printhead and printing system using such a printhead Jan. 29, 2013
8330780 Printing Dec. 11, 2012
8277028 Print assembly Oct. 2, 2012
8111425 Image processing method and image forming device Feb. 7, 2012
8098401 Method and apparatus for printing that considers an undesirable optical density printing range Jan. 17, 2012
8035671 Dual-use sensor assembly for a thermal printer Oct. 11, 2011
8035672 Printing apparatus Oct. 11, 2011
8031374 Thermal recording device, image forming method and printed matter Oct. 4, 2011
7948510 Thermal printer and method of controlling the same May. 24, 2011
7903131 Thermal transfer printer Mar. 8, 2011
7891892 Printer read after print correlation method Feb. 22, 2011
7880754 Thermotransfer printer, and method for controlling activation of printing elements of a print head thereof Feb. 1, 2011
7746367 Thermal printer Jun. 29, 2010
7724383 Image formation apparatus May. 25, 2010
7619791 Image forming method and image forming device Nov. 17, 2009
7545401 Method and apparatus for controlling the uniformity of print density of a thermal print head array Jun. 9, 2009
7508405 Thermotransfer printer, and method for controlling activation of printing elements of a print head thereof Mar. 24, 2009
D586387 Ink stick for a phase change ink jet printer Feb. 10, 2009
7466329 Printer device Dec. 16, 2008
7446788 Printing Nov. 4, 2008
7408564 Apparatus and method for setting print condition according to thermal printhead Aug. 5, 2008
7391427 Parametric programmable thermal printer Jun. 24, 2008
7369145 Method and apparatus for controlling the uniformity of print density of a thermal print head array May. 6, 2008
7315318 Imaging processing method by adjusting heating time Jan. 1, 2008
7310106 Thermal printer and thermal printing method Dec. 18, 2007
7307754 Density control method for image control apparatuses and image forming apparatus capable of executing the method Dec. 11, 2007
7295224 Thermal response correction system Nov. 13, 2007
7283146 Thermal printer temperature management Oct. 16, 2007
7262882 Distribution curve generating device Aug. 28, 2007
7256805 Method of adjusting strobe length in a thermal printer to reduce effects of changes in media transport speed Aug. 14, 2007
7239334 Photo printer Jul. 3, 2007
7190385 Thermal printing method Mar. 13, 2007
7190384 Image forming apparatus and density unevenness preventing method Mar. 13, 2007
7145675 Humidity-based printer system control Dec. 5, 2006
6842186 High speed photo-printing apparatus Jan. 11, 2005
6833852 Printing methods which are dependent on attributes of the printed image support and corresponding printing devices Dec. 21, 2004
6791590 Image formation method and apparatus Sep. 14, 2004
6788324 Encoder-based control of printhead firing in a label printer Sep. 7, 2004
6762782 Method and apparatus for reducing uneven use of heating elements on thermal print head Jul. 13, 2004

1 2 3 4 5

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