Abstract: Writing a decompressed bit-map cell in accordance with a pixel count and a fill order pattern based on half-tone threshold values of a half-toned bit-map compression cell that was used to determine the pixel count.

Abstract: A gray balancing technique wherein color data values are modified only if the color data values include a gray component.

Abstract: A method of operating a drop generating printhead including heating the printhead, providing melted phase change ink to the printhead, allowing the printhead to cool, and while the printhead is cooling, pressurizing the phase change ink in the printhead with a pressure that is sufficient to substantially maintain meniscuses at the outlets of the nozzles of the printhead as the phase change ink in the printhead solidifies. Also disclosed is a method of operating a drop generating printhead including heating the printhead, and pressurizing solidified phase change ink in the printhead with a pressure that is sufficient to substantially maintain meniscuses at the outlets of the nozzles of the printhead as the phase change ink in the printhead melts.

Abstract: An optical encoder that includes an optical grating and a quadrature optical encoder sensor that move relative to each other. The optical grating includes a first encoder bar and a plurality of second encoder bars, wherein the first encoder bar is optically configured to change an amplitude of an output of the quadrature optical encoder sensor.

Abstract: A container including a first tank for receiving a liquid, a second tank that is selectively pressurizable, a check valve for permitting fluid flow from the first tank to the second tank, and a manifold structure having a first port fluidically coupled to the first tank and a second port fluidically coupled to the second tank.

Abstract: A gray balancing technique wherein gray balancing curves are determined by interpolating the primary color data values of color samples to determine discrete combinations of primary colors that substantially match predetermined targets, and performing a curve fitting procedure on the discrete combinations of primary colors to produce gray balancing curves.

Abstract: A drop emitting device including a first linear array of columnar arrays of first nozzle pairs and a second linear array of columnar arrays of second nozzle pairs, wherein the first linear array and the second linear array extend along an X-axis, and wherein the second linear array is adjacent the first linear array such that each first nozzle pair has an associated second nozzle pair displaced therefrom along a Y-axis that is orthogonal to the X-axis. The columnar arrays of first nozzle pairs and the columnar arrays of second nozzle pairs extend obliquely to the X-axis.

Abstract: A color device profile including a buffered color look-up table having outermost nodes that replicate nodes of an inner portion that are closest to the outermost nodes, and input tonal reproduction curves having a range that is smaller than an input range associated with the buffered color look-up table and greater than an input range associated with the inner portion.

Abstract: A drop emitting device that includes a fluid channel layer, a diaphragm layer having a laser ablated bonding region, and a plurality of electrical components attached to the laser ablated bonding region.

Abstract: A fluid reservoir apparatus including first and second opposing thermally conductive walls, an elastomeric heater compressed between the first and second opposing thermally conductive walls, wherein the elastomeric heater has an uncompressed thickness that is greater than a distance between the first and second opposing thermally conductive walls, and a reservoir adjacent the first opposing thermally conductive wall and thermally coupled to first thermally conductive wall.

Abstract: A method of making a drop emitting device that includes a fluid channel layer, a diaphragm layer having a laser ablated bonding region, and a plurality of electrical components attached to the laser ablated bonding region.

Abstract: A drop generator that includes a pressure chamber and an outlet channel that includes a circular outlet channel section and a non-circular outlet channel section.

Abstract: A drop emitting apparatus including a diaphragm layer disposed on a fluid channel layer, a roughened bonding region formed on a surface of the diaphragm layer, a thin film circuit having conformal raised contact regions disposed on the bonding region, and a plurality of electromechanical transducers adhesively attached to the raised contact regions and electrically connected to the conformal raised contact regions by asperity contacts formed between the conformal raised contact regions and the electromechanical transducers.

Abstract: A method of printing including replacing each of black dots of a first subset of black dots of a bit map for a predetermined area with a process black dot, adding a non-black dot to each of black dots of a second subset of black dots of the bit-mapped data, and printing the bit map.

Abstract: A method of printing including changing each process black dot and each black plus non-black dot of a halftoned bit map to a black dot, if each of first and second adjacent dots on either side of such process black dot or black plus dot along a predetermined axis comprises a black dot, a black plus non-black dot, a process black dot, or a white dot, and printing the bit map.

Abstract: A drop emitting device that includes a drop generator and a drive signal waveform that includes in sequence a pulse of a first polarity, a first pulse of a second polarity, a delay interval, and a second pulse of the second polarity.

Abstract: A heater including a plurality of first dielectric vanes and a plurality of second dielectric vanes arranged about a longitudinal axis, each first dielectric vane and second dielectric vane having a plurality of wire guiding grooves, a heater wire structure wound around the first and second dielectric vanes in wire guiding grooves, and wherein the heater wire structure substantially avoids contact with bottoms of the wire guiding grooves of the second dielectric vanes.

Abstract: An optical encoder that includes an optical grating and a quadrature optical encoder sensor that move relative to each other. The optical grating includes a first encoder bar and a plurality of second encoder bars, wherein the first encoder bar is optically configured to change an amplitude of an output of the quadrature optical encoder sensor.

Abstract: A drop emitting device including a first linear array of columnar arrays of first nozzle pairs and a second linear array of columnar arrays of second nozzle pairs, wherein the first linear array and the second linear array extend along an X-axis, and wherein the second linear array is adjacent the first linear array such that each first nozzle pair has an associated second nozzle pair displaced therefrom along a Y-axis that is orthogonal to the X-axis. The columnar arrays of first nozzle pairs and the columnar arrays of second nozzle pairs extend obliquely to the X-axis.

Abstract: A drop emitting apparatus including a diaphragm layer disposed on a fluid channel layer, a thin film circuit having raised contact regions disposed on the diaphragm layer, and a plurality of electromechanical transducers conductively attached to the raised contact regions.