Abstract: A print head circuit of an inkjet printer comprising a plurality of row heating elements arranged in a plurality of rows, a plurality of column heating elements arranged in a plurality of columns, and a plurality of lateral bipolar junction transistors (BJTs), each lateral BJT is connected in between and in series with a corresponding one of the plurality of row heating elements and a corresponding one of the plurality of column heating elements, the plurality of lateral BJTs have common bases, wherein the plurality of row heating elements and the plurality of column heating elements are selectively energized to heat ink in the inkjet printer in a desired pattern for printing media, and wherein each of the plurality of lateral BJTs operates to allow the corresponding row and column heating elements that are connected in series with the lateral BJT to be energized.

Abstract: Methods and apparatus for determining the extent of etching in material by locating a detector element adjacent to a portion of the material that is to be etched. The width of the element varies. The resistance of the element is measured upon etching the portion.

Abstract: A method is disclosed for spreading a non-periodic color signal sent to a spatial light modulator across a frame period. The method can include the operation of dividing a frame period into a plurality of time slices. A further operation can be assigning a color to each of the plurality time slices. Another operation can be interleaving one or more colors assigned to the time slices across the frame period in a non-periodic manner.

Abstract: A print head circuit of an inkjet printer comprising a plurality of row heating elements arranged in a plurality of rows, a plurality of column heating elements arranged in a plurality of columns, and a plurality of lateral bipolar junction transistors (BJTs), each lateral BJT is connected in between and in series with a corresponding one of the plurality of row heating elements and a corresponding one of the plurality of column heating elements, the plurality of lateral BJTs have common bases, wherein the plurality of row heating elements and the plurality of column heating elements are selectively energized to heat ink in the inkjet printer in a desired pattern for printing media, and wherein each of the plurality of lateral BJTs operates to allow the corresponding row and column heating elements that are connected in series with the lateral BJT to be energized.

Abstract: Methods for fabricating a printhead are described. In one embodiment, a method includes forming on a substrate using a single fabrication technique multiple resistors, some of the resistors to be used as heater resistors configured to eject fluid and some of the resistors to be used as storage resistors that store data, annealing the heater resistors, and intentionally not annealing at least one of the storage resistors, wherein the annealed storage resistors have a first state representing a first digital value and the unannealed storage resistors have a second state representing a second digital value, such that the values associated with the storage resistors can be read by an appropriate detection circuit.

Abstract: Methods and apparatus for determining the extent of etching in material by locating a detector element adjacent to a portion of the material that is to be etched. The width of the element varies. The resistance of the element is measured upon etching the portion.

Abstract: Methods and apparatus for determining the extent of etching in material by locating a detector element adjacent to a portion of the material that is to be etched. The width of the element varies. The resistance of the element is measured upon etching the portion.

Abstract: The present invention provides a voltage driven array having an array of discrete elements arranged in at least one row and plurality of columns. A resistive element has a first end and a second end provided with a first voltage and a second voltage respectively. The first voltage is different from the second voltage. Positions along the resistive element connect to each of the rows or columns such that each of the different positions along the resistive element supplies a different voltage to the respective row or column than a remainder of the positions.

Abstract: A projection screen for use in a projection system is described. In an embodiment of the present invention, a projection system includes a projector and a projection screen. The projector is configured to project an image composed of visible light in one or more ranges of wavelengths. The projection screen has a plurality of sub-pixels that reflect and/or transmit the one or more ranges of wavelengths to display the image and absorb visible wavelengths of light in at least one other range not included in the one or more ranges. One or more spaces are defined between adjacent sub-pixels that reflect and/or transmit the one or more ranges and the at least one other range.

Abstract: A fluid ejection device having storage and methods of forming and using such fluid ejection devices are described. In one embodiment, a substrate comprises multiple heater resistors supported thereby, and configured for ejecting fluid onto a medium. One storage structure is supported by the substrate and configured to store data.

Abstract: An electronic device of an embodiment of the invention is disclosed that at least partially displays a pixel of a display image. The device includes a first reflector and a second reflector defining an optical cavity therebetween that is selective of a visible wavelength at an intensity. The device includes a mechanism to allow optical properties of the cavity to be varied such that the visible wavelength and/or the intensity are variably selectable in correspondence with the pixel of the displayable image. The device also includes one or more transparent deposited films, one or more absorbing layers, an integral micro-lens, and/or one or more anti-stiction bumps. The deposited films are over one of the reflectors, for self-packaging of the device. The absorbing layers are over one of the reflectors, to reduce undesired reflections. The integral micro-lens is over one of the reflectors, and the anti-stiction bumps are between the reflectors.

Abstract: An addressable array of circuits is grouped into a plurality of sub-arrays. The addressable array of circuits is controlled by selecting a sub-array to reset and independently of the sub-array selected to be reset, selecting a sub-array to load with data. The sub-array selected to be reset is reset. Data is initialized for the sub-array selected to be loaded. The sub-array selected to be loaded is loaded with the initialized data.

Abstract: A system of an embodiment of the invention includes an array of micro-electromechanical (MEM) device assemblies and a testing mechanism situated outside of the array of the MEM device assemblies. Each MEM device assembly includes a MEM device capable of being individually written to, but incapable of being electrically read. The testing mechanism tests each MEM device assembly for proper operation without directly reading the MEM device of the MEM device assembly.

Abstract: A method is disclosed for spreading a non-periodic color signal sent to a spatial light modulator across a frame period. The method can include the operation of dividing a frame period into a plurality of time slices. A further operation can be assigning a color to each of the plurality time slices. Another operation can be interleaving one or more colors assigned to the time slices across the frame period in a non-periodic manner.

Abstract: A control circuit for a MEMS (Micro-Electro-Mechanical System) has a semiconductor switch which has a source, a drain and a gate, which is associated with a selected one of spatially arranged fixed and movable plates of a variable capacitor, and is arranged to selectively connect the selected one of the fixed and movable plates with a voltage source. A charge injection control circuit is associated with the semiconductor switch and attenuates current injection into the selected one of the fixed and movable plates of the capacitor.

Abstract: A control circuit for a MEMS (Micro-Electro-Mechanical System) has a semiconductor switch which has a source, a drain and a gate, which is associated with a selected one of spatially arranged fixed and movable plates of a variable capacitor, and is arranged to selectively connect the selected one of the fixed and movable plates with a voltage source. A charge injection control circuit is associated with the semiconductor switch and attenuates current injection into the selected one of the fixed and movable plates of the capacitor.

Abstract: A system of an embodiment of the invention includes an array of micro-electromechanical (MEM) device assemblies and a testing mechanism situated outside of the array of the MEM device assemblies. Each MEM device assembly includes a MEM device capable of being individually written to, but incapable of being electrically read. The testing mechanism tests each MEM device assembly for proper operation without directly reading the MEM device of the MEM device assembly.

Abstract: An embodiment provides for loading a first data bit intended for a first portion of a pixel array and displaying the first data bit on the first portion of the pixel array for at least a portion of its total display time before loading a second data bit intended for a second portion of the pixel array.

Abstract: A nanoscopic transistor is made by forming an oxide layer on a semiconductor substrate, applying resist, patterning the resist using imprint lithography to form a pattern aligned along a first direction, applying a first ion-masking material over the pattern, selectively lifting it off to leave a first ion mask to form a gate, forming doped regions by implanting a suitable dopant, applying another layer of resist and patterning the second resist layer using imprint lithography to form a second pattern aligned along a second direction, applying a second ion-masking material over the second pattern, selectively lifting it off to leave a second ion mask defined by the second pattern, and forming second doped regions in the substrate by implanting a suitable second dopant selectively in accordance with the second ion mask. The method may be used to make an array of nanoscopic transistors.

Abstract: A light delivery device defining an optical path with a feedback device is disclosed. The feedback device dispatches actual illumination characteristics of the light delivery device to a control system, which compares the actual illumination characteristics with desired illumination characteristics to determine an offset for driving the light delivery device.