Class 347/181 - Simultaneously

Subclass of Class 347 - Incremental printing of symbolic information
Definition: Subject matter in which at least two of the sections are
No. of patents: 23
Last issue date: 03/31/2009

Number	Title	Issue Date
7511729	Driver circuit, control method, and related thermal print head A driver circuit of a thermal print head is disclosed including: a plurality of gating groups respectively coupled to a plurality of strobe signals of different timings in which each gating group includes a plurality of gate units respectively coupled to a plurality...	03/31/2009
7405745	Method of driving print head and image forming apparatus employing the same A method of driving a print head and an image forming apparatus employing the same are provided, wherein recording elements of the print head are divided into n groups and are driven to print an image on a medium, wherein recording elements from the respective n gro...	07/29/2008
7034855	Printing apparatus The present invention provides a printing apparatus that selects a suitable speed, thereby enabling a rapid printing operation with printing quality maintained. In the printing apparatus, the number of heating elements for every printing line is counted. A printing ...	04/25/2006
6601941	Method and apparatus for predicting and limiting maximum printhead chip temperature in an ink jet printer A method of controlling a temperature of a print chip of a printhead in an ink jet printer includes providing a memory device within the printer. Ink is emitted from the printhead. Temperature data associated with the print chip during the emitting step i...	08/05/2003
6570601	Method of driving a thermal line printer and thermal line printer A thermal line printer drive method and a thermal line printer devised to prevent occurrence of a white gap during printing. A plurality of heating elements arranged on a line perpendicular to a sheet feed direction are separated into a plurality of block...	05/27/2003
6211893	Multi-gradation recording method A multi-gradation recording method wherein the recording energy in high density region can be reduced, and the rough appearance in low density region or high density region and notchy appearance in profile or line of the image can be reduced while maintai...	04/03/2001
6195110	Thermal printing method and apparatus having groups of separately drive heating elements in the thermal head A thermal head has plural heating elements arranged in line in a main scan direction. The heating elements are supplied with a train of drive pulses while the thermosensitive recording sheet is conveyed in a sub scan direction crosswise to the main scan d...	02/27/2001
6069643	Thermal Transfer recording apparatus and method to reduce ink sheet sticking A thermal transfer recording apparatus for performing recording of data on a recording medium by transferring ink of an ink sheet on said recording medium comprises conveying means for conveying said ink sheet and recording medium, recording means for eff...	05/30/2000
5748220	Thermal line-printer head Line head thermal printing apparatus including a plurality of printing heating elements (2) designed to print, under the control of individual activation elements (7, 8) and by means of memory points (6; 46) of a printing register (5; 45), successive line...	05/05/1998
5717837	Thermal printer and thermal printer head driving system A thermal printer for forming an image on a sheet, with the image having a plurality of line image data. The thermal printer includes a thermal head having a plurality of linearly arranged thermal elements for forming the image. The total number of the th...	02/10/1998
5528275	Gradational printing method A gradational printing method for performing a gradational printing by energizing a plurality of heat emitting elements arranged on a thermal head correspondingly to respective bits of digital gradation data representing a gray level. In case of this meth...	06/18/1996
5353043	Printing data transferring method to a line head A line thermal head has a head main body portion having an array of heating elements divided into a plurality of physical blocks. A head control portion divides each physical block into a plurality of division units of heating elements depending on a capa...	10/04/1994
5319390	Thermal printer apparatus An object of this invention is to present a thermal printer for printing at high speed the data with the drive at a low voltage of around 5 V while preventing the printing problems attributable to the voltage drop due to internal impedance and to the loss...	06/07/1994
5159693	Method for preventing overheating of a thermal line print head by detecting a temperature and adjusting printing blocks A control method prevents overheating of a line print head, the line print head for printing 4800 print dots per print line in response to print data. The print data is initially divided into sixteen blocks of print data denoting successive segments of th...	10/27/1992
5072237	Thermal printer for a portable data terminal A thermal printer is provided which is coupled to include a source of printing signals, such as a portable hand held computer or data terminal, for printing an image on a sheet of printing material in accordance with the printing signals. The thermal prin...	12/10/1991
4738553	Fixed head thermal printer A fixed head thermal printer with a plurality of printing elements defining a line of print. Power is supplied to blocks of elements sequentially with a number of blocks receiving power simultaneously, that number being determined in accordance with the n...	04/19/1988
4638329	Thermal recording method and apparatus A thermal recording method and apparatus for printing picture information with use of a thermal head, in which picture information corresponding to one unit to be printed is divided into a plurality of blocks using counters, etc., and the rate of black da...	01/20/1987
4587529	Thermal columnar-aligned, plural-heaters print head The invention relates to a thermal printing head having a plurality of heating elements arrayed in both column and row directions, which can be driven selectively and independently. A first column group is comprised of two or more columns each having heat...	05/06/1986
4568948	Driving system for thermal recording head A thermal recording head is provided with a driving system wherein higher printing speeds may be obtained. Particularly, in the case where the image to be printed by a divided block of elements is totally black, all common driving terminals corresponding ...	02/04/1986
4475112	Method of distributing data for driving a thermal printing head A thermal printing head comprises an array of heating elements divided into two blocks each having alternate pairs of two adjacent heating elements, the two blocks being further divided into eight subblocks. The pairs of two adjacent heating elements are ...	10/02/1984
4447819	Thermal recording device A thermal recording device is equipped with counters and an adder for determining the number of record bits applied to the heat generating unit arrays, and the number of blocks to be simultaneously driven is determined according to this value such that th...	05/08/1984
4216481	Method of driving a thermal head and apparatus therefor Method of and apparatus for driving, in accordance with a recording signal, a thermal head including a plurality of heating blocks each having M aligned heating elements (M: a positive integer), the amplitude of the recording signal being at a low level o...	08/05/1980
4070680	Thermal printer-plotter system for multi-directional printing and plotting A printer-plotter system is provided having a single horizontally movable, print-plot head comprising geometrically arranged thermal resistor elements which are processor-controlled for plotting continuous multi-directional line segments and for printing,...	01/24/1978

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Class 347/181 - Simultaneously