Abstract: A method for purifying water, comprising separating a supply stream into a permeate stream and a reject stream, removing non-monovalent salt impurities from the reject stream to produce a treated stream; providing the treated stream to a concentrating compartment of an electrodeionization unit; and, producing an EDI product stream of purified water.

Abstract: A method for purifying water, comprising separating a supply stream into a permeate stream and a reject stream, removing non-monovalent salt impurities from the reject stream to produce a treated stream; providing the treated stream to a concentrating compartment of an electrodeionization unit; and, producing an EDI product stream of purified water.

Abstract: Water purification systems include a reverse osmosis unit, a treatment unit, and an electrodeionization unit. A reverse osmosis reject stream from the reverse osmosis unit is treated in the treatment unit and provided to concentrating compartments of the electrodeionization unit.

Abstract: Water purification systems include a concentrate filtration membrane and an electrodeionization unit. A concentrate effluent stream from the electrodeionization unit is filtered in the concentrate filtration membrane; the filtered concentrate effluent stream is provided to concentrating compartments of the electrodeionization unit.

Abstract: An apparatus for recapturing electrical charge from a capacitor is provided. The apparatus includes a charge recovery controller configured to generate a signal indicating when the electrical charge from the capacitor is to be recovered. The apparatus also contains a charge recovery circuit configured to transfer the electrical charge from the capacitor to a battery upon receipt of the signal.

Abstract: A sheet misfeed detection system comprises an audio sensor configured to detect an audio signal generated by a sheet fed by an automatic document feeder (ADF) and a detection module configured to detect a misfeed condition of the sheet based on the audio signal generated by the sheet.

Abstract: An imaging system comprises a calibration system adapted to perform a calibration scan of a charged luminescent calibration strip disposed in a scan window of an automatic document feeder. The calibration system is adapted to determine whether an opaque object is disposed within a visible area defined by the scan window from the calibration scan.

Abstract: A memory management system and method includes, in one embodiment, an index location in a hash table that represents metadata, and a file memory address saved at the index location so that the hash table is searchable by a processor by entering the metadata into a hash function to transform the metadata into the index location where the memory address is stored.

Abstract: Water purification systems include a concentrate filtration membrane and an electrodeionization unit. A concentrate effluent stream from the electrodeionization unit is filtered in the concentrate filtration membrane; the filtered concentrate effluent stream is provided to concentrating compartments of the electrodeionization unit.

Abstract: A controllable thermal warming device for delivering heat to an object by radio frequency signal. The controllable thermal warming device may include a thermal ink heating element comprising a substrate and a conductive ink fixedly disposed on the substrate, a power source operatively coupled to the conductive ink, the power source adapted to deliver a voltage to the conductive ink to cause the conductive ink to radiate heat, a controller operatively coupled to the power source and the conductive ink, the controller adapted to control the voltage delivered to the conductive ink and to detect an operating characteristic of the conductive ink and adjust the voltage in response to the operating characteristic, and means for controlling the controller by radio frequency. The controllable thermal warming device may also include a sensor to provide the operating characteristic to the controller.

Abstract: An imaging device power management system comprises a control circuit adapted to adapted to vary a duty cycle of a scanning module of an imaging device during a scanning operation performed by the scanning module based on a source of energy coupled to the imaging device for operating the scanning module.

Abstract: A controllable thermal warming device for delivering heat including a thermal ink heating element removably secured to any suitable structure, including, for example, a blanket, clothing, consumer product, farming product, restaurant product, HVAC product, building construction products, hospital and other medical products, and vehicle. The device comprising a substrate and a conductive ink fixedly disposed on the substrate, means for removably securing the substrate to the structure, a power source operatively coupled to the conductive ink, the power source adapted to deliver a voltage to the conductive ink to cause the conductive ink to radiate heat, a controller operatively coupled to the power source and the conductive ink.

Abstract: A duplex detection imaging system comprises a scanning device having a photosensitive element disposed therein for receiving light reflected from a front surface of a document. The photosensitive element is also adapted to receive light reflected from a back surface of the document while the front surface of the document is oriented toward the photosensitive element for determining whether an image resides on the back surface of the document.

Abstract: Water purification systems include a reverse osmosis unit, a treatment unit, and an electrodeionization unit. A reverse osmosis reject stream from the reverse osmosis unit is treated in the treatment unit and provided to concentrating compartments of the electrodeionization unit.

Abstract: A “see-through” scanner comprises a touch-sensitive panel that enables a scanner user to designate an area to be scanned by touching the scanner.

Abstract: A digital camera and related methods enable a scrolling slideshow of captured images across a display screen. The display screen can be the digital camera's display screen or an external display screen (e.g., a TV screen or a computer monitor) driven by the digital camera. The number of images scrolled across a display screen can be adjusted for ease and efficiency of viewing based on user preference. The camera provides controls for image scrolling including speed adjustment, forward scrolling, reverse scrolling, scroll pausing, and scroll resuming. The camera permits images to be locked in place on the display screen during the scrolling slideshow, which provides for easy comparison with other images that continue to scroll across the display screen. When an image is locked, scrolling images appear to scroll to a position behind the locked image.

Abstract: A digital camera is built having a still mode and a video mode. The camera is configured to control two different light sources. When the camera is in still mode, it is configured to fire a strobe during capture of the image. When the camera is in video mode, it is configured to turn on a continuous light source during capture of the video. These two different light sources may be combined into a single unit or may exist as separate devices. In video mode, a partial depress of the shutter control may turn on the continuous light source prior to exposure, allowing the light source to stabilize before video capture begins.

Abstract: Disclosed are systems and methods for image scanner feature detection comprising an image scanner feature treated to facilitate detection of an associated feature artifact in a scanned image, wherein the treated image scanner provides a predetermined optical diversity attribute.

Abstract: Methods are provided for non-targeted processing of hyphenated chromatographic data, such that even when the data represent a complex mixture of unknown components, a comprehensive number of the components are detected with minimal information loss and introduction of error. Processing hyphenated chromatographic data by the present methods is compatible with use of subsequent algorithms for chromatographic information extraction, and enhances the accuracy of a subsequent peak/component picking program. The present methods comprise subjecting data collected using a hyphenated chromatographic technique like GC-MS or LC-MS, i.e., data having a continuous or non-discrete dimension (e.g., mass), to an algorithm that organizes the data into discrete groups (clusters) of the continuous dimension. Grouping using the present methods results in consecutive clusters of continuous dimensions having varying width less than or equal to that of the instrument resolution window.

Abstract: A file-saving system is disclosed for saving an active file as multiple new files.