Marvell International Technology Ltd. Patent applications |
Patent application number | Title | Published |
20140068333 | BUILT-IN-SELF-TEST USING EMBEDDED MEMORY AND PROCESSOR IN AN APPLICATION SPECIFIC INTERGRATED CIRCUIT - A test method for an ASIC uses an embedded processor in the ASIC to execute test routines from an embedded memory or an external memory. During ASIC production, the test routines can comprehensively test of the blocks of the ASIC without a complicated test pattern from test equipment. The test routines can also perform power-up tests in systems or end products containing the ASIC. Test selection, activation, and result output can be implemented using a few terminals of the ASIC. | 03-06-2014 |
20140055550 | LASER PRINTER WITH REDUCED BANDING ARTIFACTS - A laser scanning assembly generates a laser beam and scans the laser beam through a plurality of scan lines to form desired dots. Each scan line is positioned to overlap an adjacent scan line and each dot includes a plurality of segments. The scanning assembly scans the laser beam through multiple scan lines to fully discharge each segment of each dot. The laser scanner assembly would typically be part of a laser printer. | 02-27-2014 |
20130182276 | PRINTER WITH SELECTABLE CAPABILITIES - A system comprising a processor and a memory comprising firmware is provided. The firmware is executable by the processor to cause the processor to operate a print mechanism in accordance with a first state associated with a capability of the print mechanism, change the first state associated with the capability to a second state in response to receiving first information from an external interface, and operate the print mechanism in accordance with the second state associated with the capability. | 07-18-2013 |
20130135629 | METHOD OF PRE-PROCESSING DATA ON A HOST MACHINE FOR A HOST-BASED PRINT SYSTEM - The software on the host machine examines a pixel, either alone or in relation to adjacent pixels. Based on the image data contained in the pixel or group of pixels, a multi-bit value is generated that can be used by the printing device to easily reproduce the necessary detail of the original pixel. The multi-bit value also contains print engine control parameters to handle items such as toner miser mode, toner explosion, edge roll off, etc. The multi-bit value can be generated algorithmically by using a lookup table or by some combination of these methods. | 05-30-2013 |
20130080835 | BUILT-IN-SELF-TEST USING EMBEDDED MEMORY AND PROCESSOR IN AN APPLICATION SPECIFIC INTERGRATED CIRCUIT - A test method for an ASIC uses an embedded processor in the ASIC to execute test routines from an embedded memory or an external memory. During ASIC production, the test routines can comprehensively test of the blocks of the ASIC without a complicated test pattern from test equipment. The test routines can also perform power-up tests in systems or end products containing the ASIC. Test selection, activation, and result output can be implement using a few terminals of the ASIC. | 03-28-2013 |
20120154829 | METHODS AND SYSTEMS FOR IMAGE SCALING - A controller for scaling an input image is provided. The controller selects a pixel neighborhood that includes a plurality of pixels neighboring a pixel. The controller compares at least part of the pixel neighborhood to a pattern. If the pattern is present in the pixel neighborhood, the controller applies a scaling algorithm to at least a portion of the pixel neighborhood in order to obtain a scaled image. The controller also selects another pixel neighborhood that includes a plurality of pixels neighboring a pixel in the scaled image, and compares at least part of the another pixel neighborhood to another pixel pattern. If the another pixel pattern is present in the another pixel neighborhood, the controller applies a correction algorithm to at least a portion of the another pixel neighborhood in order to obtain a processed scaled image. | 06-21-2012 |
20120136620 | APPARATUS FOR DETERMINING THE POSITION OF A DEVICE - An apparatus and method are disclosed for use in a device, such as a handheld printer or scanner, having functionality that requires information of its position relative to an origin and initial orientation. The module includes two sensors to generate movement data indicative of movement direction and orientation changes of the device. The location and orientation of the device relative to the origin and initial orientation is derived based on the movement data. A handheld printer or scanner implementing the device may thus be moved in different directions across a media to print or scan images, text, or other objects. | 05-31-2012 |
20120113477 | LASER PRINT APPARATUS WITH DUAL HALF TONES - A printing system comprises a memory configured to store image data representing an image. The printing system comprises a processor configured to perform a first digital halftone process on a first portion of the image and a second digital halftone process on a second portion of the image. | 05-10-2012 |
20110279868 | EFFICIENT PRINTER CONTROL ELECTRONICS - An apparatus (such as a printer) including a combination engine controller circuit board having a integrated circuit (IC) chip configured to process (format) incoming data as well as to control the operations of the apparatus is disclosed. The IC chip is adapted to receive and process data as well as to control the operations of the apparatus. For this reason, the IC chip is referred to as a combined controller IC. | 11-17-2011 |
20110007331 | HANDHELD PRINTER - A handheld printer that provides an appropriate application of ink to a print medium without a bulky and complex mechanical system for positioning a print head with respect to the print medium. A handheld printer according to the present teachings includes a navigation subsystem that tracks a motion of the handheld printer with respect to a printing surface and a print head controller that causes a print head to fire ink drops onto the printing surface in response to the motion and in response to an image contained in an image buffer. | 01-13-2011 |
20100332983 | REMOTE HOST-BASED MEDIA PRESENTATION - An electronic device includes a first communication interface operable to receive a decoded digital data set from an apparatus remote from the electronic device, and a first circuit coupled to the first communication interface and operable to enable an output device to provide an output representing the data set. | 12-30-2010 |
20100321734 | SCANNING APPARATUS AND METHOD FOR ENTERING A USER INPUT INTO THE APPARATUS USING A NON-ELECTRICAL CONTROL DEVICE - A scanning apparatus and method for entering a user input into the apparatus uses a non-electrical control device having a target undersurface, which can be manually manipulated to a particular setting. The particular setting of the non-electrical control device is determined by processing an image of at least a portion of the target undersurface captured by a scan sensor of the scanning apparatus. | 12-23-2010 |
20100302603 | METHODS AND SYSTEMS FOR TRANSFERRING INFORMATION BETWEEN A MOVABLE SYSTEM AND ANOTHER SYSTEM - An image forming apparatus, which may be a printer, includes an image acquisition subsystem and a processing subsystem. The image acquisition subsystem includes an imager and a source. The imager is configured to scan an image while the image acquisition subsystem moves with respect to the image forming apparatus and configured to provide electrical signals including information related to the scanned image. The source is configured to emanate electromagnetic radiation based on the electrical signals. The processing subsystem includes a receiving component configured to receive the electromagnetic radiation emanated from the source of the image acquisition subsystem. The image forming apparatus also includes a structure supporting both the image acquisition subsystem and the processing subsystem. | 12-02-2010 |
20100177985 | METHODS AND SYSTEMS FOR IMAGE SCALING - Methods and systems for scaling an input image. | 07-15-2010 |
20100165404 | Laser Print Apparatus That Generates Pulse With Value And Justification Value Based On Pixels In A Multi-Bit Image - A laser print apparatus includes a memory for storing a multi-bit image including a plurality of pixels. Each pixel is represented by an N-bit value, wherein N is greater than one. A modulation code generator analyzes three adjacent pixels. The three adjacent pixels include a left pixel, a center pixel, and a right pixel. The modulation code generator is configured to generate a pulse width value based on the value of the center pixel, and a justification value based on the values of the left pixel and the right pixel. A laser print engine forms an output pixel on media based on the pulse width value and the justification value. | 07-01-2010 |
20100149578 | PRINTER FORMATTER IN A CABLE - A printer cable that is configured for coupling to a printer having an enclosure and a printer port. The printer cable includes a first connector for connecting to the printer port and a second connector for coupling to a host device (e.g., a personal computer (PC)). The printer cable includes a printer formatter for providing formatting services to the printer via the first connector. Since the printer formatter is integrated into the printer cable, the printer formatter is external to the printer enclosure and is easily removable and configurable by a user. | 06-17-2010 |
20090195809 | HOST-BASED PRINTER DRIVER - A system includes a controller operable to receive a first data set comprising data in a first format type, the first-format-type data representing an image. The system further includes a circuit coupled to the controller, the circuit operable to produce a second data set in a second format type, the second data set based on the first-format-type data, the second data set representing the image. | 08-06-2009 |
20090190176 | EFFICIENT PRINTER CONTROL ELECTRONICS - An apparatus (such as a printer) including a combination engine controller circuit board having a integrated circuit (IC) chip configured to process (format) incoming data as well as to control the operations of the apparatus is disclosed. The IC chip is adapted to receive and process data as well as to control the operations of the apparatus. For this reason, the IC chip is referred to as a combined controller IC. | 07-30-2009 |
20080211900 | SYSTEM AND METHOD FOR SCALING DATA TO COMPENSATE FOR SLANTED SCANNING ON A BIDIRECTIONAL SCANNING LASER PRINTER - A scanning system is adapted to scan an image beam across a photoconductive surface. The scanning system includes an oscillating mirror and is operable to generate an image beam and to reflect the image beam off the oscillating mirror to bidirectionally scan the image beam across the photoconductive surface and thereby discharge regions on the surface. The system is further operable to dynamically scale an intensity of the image beam as a function of a position of the image beam on the photoconductive surface. | 09-04-2008 |