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Dahlgren, US
Andrew Dahlgren, Chanhassen, MN US
| Patent application number | Description | Published |
|---|---|---|
| 20080314727 | Microporous Membrane for Flash Distillation - A microporous membrane for flash distillation comprising at least three layers having distinct properties is disclosed. Generally, the membranes contain outer layers of relatively small pore size, with an interior layer with relatively large pore size. The invention is also directed to a system for desalinization comprising a source of hot brine. | 12-25-2008 |
| 20100218595 | PARTICULATE FILTER AND METHOD OF USE - A particulate filter particularly suited for analytical gravimetric weighing applications is disclosed. The particulate filter includes a polytetrafluoroethylene (PTFE) media supported by a ring and yields stable microgram and submicrogram weighing results. The support ring may be PTFE, metal foil, or another non-hygroscopic polymer such that the mass of the filter does not vary with changes in atmospheric moisture. The filter simplifies the discharge of electrostatic charge buildup such that when a conductive filter media is combined with a conductive ring device, the discharge may be accomplished by placing the filter on a grounded weighing pan or other surface. The particulate filter can simplify filter identification by including identification symbols imprinted on each side of the filter media. Due to the chemically inert qualities of its components, the particulate filter is particularly suited for extraction techniques used during the detection of polycyclic hydrocarbons as is conducted in emissions and ambient air testing. | 09-02-2010 |
Aron D. Dahlgren, Minneapolis, MN US
| Patent application number | Description | Published |
|---|---|---|
| 20110114659 | OUT OF PRODUCT INDICATOR - An out of product indicator is provided. The out of product indicator includes a power generator, a sensor and an alarm. The power generator is configured to generate power based on an interaction with at least one aspect of the device it is coupled thereto. The sensor is configured to determine when a product is low. The alarm is coupled to receive power generated by the power generator. Moreover the alarm is activated based on an output of the sensor. | 05-19-2011 |
Aron David Dahlgren, Minneapolis, MN US
| Patent application number | Description | Published |
|---|---|---|
| 20110068199 | Dispenser - A dispenser | 03-24-2011 |
Brett E. Dahlgren, Albany, OR US
| Patent application number | Description | Published |
|---|---|---|
| 20100091286 | Filter Design for Colorimetric Measurement - A color detector includes a light source configured to generate light with a spectrum of wavelengths; a plurality of filters in optical communication with the light source, wherein each filter is configured to pass a bandwidth of wavelengths around a different peak wavelength; and a plurality of photodetectors, each configured to receive light passed through a respective filter of the plurality of filters. The bandwidth of each filter is configured to Correspond to a bandwidth of a curve from a set of standard color matching functions. A method for improving color detection accuracy in a color detector includes matching a bandwidth passed by each of a plurality of color filters with a bandwidth and peak wavelength of a Commission Internationale de I'Eclairage (CIE) color matching function; and separately detecting an amount of light passed by each the filter. | 04-15-2010 |
| 20100321694 | COLOR DETECTOR HAVING AREA SCALED PHOTODETECTORS - A color detector includes a light source, a filter, and a photodetector. The photodetector outputs a signal proportional to the amount of a predetermined color of light that passes through the corresponding filter. When used in an array, each filter may have different transmission characteristics, and each color signal may have a different magnitude and/or signal-to-noise ratio. This may be corrected for by adjusting the area of each of the photodetectors and corresponding filters. In other words, the areas if the photodetectors may be configured to equalize the color signal of a reference color and thereby maximize the signal-to-noise ratio of the color signals the sensor is intended to measure. The area of the photodetector may be based on a response curve of the photodetector as a function of wavelength, a response curve of the filter as a function of wavelength, and the amount of light as a function of wavelength generated by the light source, among other factors. | 12-23-2010 |
| 20110007302 | Hard copy re-emission color measurement system - Hard copy re-emission color measurement system, comprising a light arrangement for emitting light onto a hard copy, a light detector arranged to detect light re-emitted by the hard copy, and a control circuit configured to process the detected re-emitted light. The light arrangement is arranged to separately and simultaneously emit a first light having wavelengths longer than an ultraviolet wavelength and a second light having wavelengths in the ultraviolet range. The light arrangement is provided with a light guide arranged to guide the first and second light on an at least partly overlapping region on a hard copy. | 01-13-2011 |
| 20110096343 | IDENTIFYING A COLOR PROFILE FOR AN ILLUMINANT - A method includes collecting, within a printer body, ambient light entering the printer body. Characteristics of the collected ambient light are measured. A color profile based on the measured characteristics is identified. The identified color profile is provided for use in forming a color image on a medium. | 04-28-2011 |
| 20110211196 | COLOR MEASUREMENT DEVICE - A color measurement device includes a light pipe and a light source. The light pipe is oriented length-wise towards a color sample surface along a first axis that is non-perpendicular to the surface. A color sample is positioned on the surface. The light pipe has a near opening, a far opening, and a face at the far opening. The near opening is closer to the color sample than the far opening. The light source is positioned near the far opening of the light pipe, and is to output light along a second axis and into the light pipe at the far opening. The light reflects off the surface after exiting the light pipe at the near opening. The second axis is non-perpendicular to the face of the light pipe at the far opening. The light non-uniformly illuminates the color sample after exiting the light pipe at the near opening. | 09-01-2011 |
Brett E. Dahlgren US
| Patent application number | Description | Published |
|---|---|---|
| 20090180117 | OPTICAL DEVICE FOR DISPERSING LIGHT - An optical device includes an aperture stop that limits an angular extent of light from an illuminated sample. A first lens is positioned between the aperture stop and a detector plane. A second lens is positioned between the first lens and the detector plane and is operable to map light from the aperture stop to the detector plane such that the light is averaged at the detector plane. | 07-16-2009 |
Erik Dahlgren, Foxboro, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20100258331 | EXPLOSION-PROOF ENCLOSURE - A system for enclosing an instrument, module or other assembly in an explosion-proof housing. The system includes an upper housing portion that includes a first threaded portion and, optionally, a transparent window portion; a lower housing portion that has a second threaded portion that is structured and arranged to cooperate with the first threaded portion to provide a tight, air- and water-tight fit; and an inner mounting assembly for supporting an instrument, module, electrical circuit, electrical device, display device, or other assembly. In pertinent part, the lower housing portion includes integrated bosses that provide horizontal surfaces for supporting the inner mounting assembly and for releasably attaching the inner mounting assembly to the lower housing portion. The number of positioning of the bosses and the number and positioning of mounting studs on the inner mounting assembly are designed to mount the inner mounting assembly within the lower housing portion in a manner that is independent of the mounting orientation of the lower housing portion. | 10-14-2010 |
Karl P. Dahlgren, Evemont, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100332924 | AT-SPEED SCAN TESTING OF MEMORY ARRAYS - An integrated circuit configured for at-speed scan testing of memory arrays. The integrated circuit includes a scan chain having a plurality of serially coupled scan elements, wherein a subset of the plurality of scan elements are coupled to provide signals to a memory array. Each scan element of the subset of the plurality of scan elements includes a flip flop having a data input, and a data output coupled to a corresponding input of the memory array, and selection circuitry configured to, in an operational mode, couple a data path to the data input, and further configured to, in a scan mode, couple to the data input one of a scan input, the data output, and a complement of the data output. The scan elements of the subset support at-speed testing of a memory array coupled thereto. | 12-30-2010 |
Karl P. Dahlgren, Fremont, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100281442 | TECHNIQUE FOR DETERMINING CIRCUIT INTERDEPENDENCIES - Embodiments of a device (such as a computer system or a circuit tester), a method, and a computer-program product (i.e., software) for use with the device are described. These systems and processes may be used to statistically characterize interdependencies between sub-circuits in an integrated circuit (which are referred to as ‘aggressor-victim relationships’). In particular, statistical relationships between the aggressors and victims are determined from values of a performance metric (such as clock speed) when the integrated circuit fails for a group of state-change difference vectors. Using these statistical relationships, a worst-case sub-group of the state-change difference vectors, such as the worst-case sub-group, is selected. This sub-group can be used to accurately test the integrated circuit. | 11-04-2010 |
Lyle J. Dahlgren, Roseau, MN US
| Patent application number | Description | Published |
|---|---|---|
| 20110192667 | SNOWMOBILE - The present invention generally relates to snowmobiles. More particularly, the present invention relates to the components of a snowmobile such as the frame, running boards and various other assemblies. | 08-11-2011 |
Max W. Dahlgren, Dallas, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090141053 | Printing methods and apparatus - The identical printing of a stack of sheets (e.g., paper) is performed by vertically stacked inkjet printing units, each of which prints sheets at a printing speed. All sheets are fed from a stack along an infeed path at a feeding speed which is faster than the printing speed. The sheets are sequentially introduced into the respective printing heads, e.g., by the actuation of a gate mechanism disposed in the infeed path. After the sheets have been printed in the printing units at the slower printing speed, and after the print medium has been fixed, the sheets are discharged from the printing units and fed along a common outfeed path at the higher feeding speed. For variable-data printing, raster image processing is performed by assigned separate RIP computer units to process respective batches of the pages of the printing job. | 06-04-2009 |
Max W. Dahlgren, Arlington, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090102114 | SHEET FEEDING METHOD AND MECHANISM WITH DOUBLE SHEET DETECTOR - A feeder head includes suction belts to sequentially feed top sheets from a stack of sheets (e.g., paper). Before the belts receive suction and drive power, a suction cup raises the top sheet at a location between the belts to produce a corrugated shape in the top sheet which induce separation of a second sheet that might be adhered to the top sheet. A double sheet detector includes a pair of rollers forming a nip through which a fed sheet passes, causing the rollers to separate. The amount of separation is transmitted to a transducer which generates a signal proportional to the sheet thickness. Signals from the transducer are frequently sensed and averaged, so that signal variations resulting from irregularities in the shape of the rollers are canceled out. | 04-23-2009 |
Nels Dahlgren, Corrales, NM US
| Patent application number | Description | Published |
|---|---|---|
| 20100293478 | Interactive learning software - Disclosed is a fully interactive, Web-based, distance learning software application which helps professionals to prepare for the oral examinations necessary to attain board certification or to achieve other advancement in fields such as medical specialties including anesthesiology, emergency medicine, obstetrics/gynecology, general surgery, radiology, psychiatry and others. The browser-based technology requires no software installation on subscribers' computers, mobile platforms, televisions or set-top boxes; and, gives site-users, by the foregoing means, access from distant and remote locations, to several interactive functions including, but not restricted to, subscriber-to-subscriber (peer-to-peer) live and interactive practice examinations with video-chat capability; subscriber-to-examiner (peer-to-examiner) live and interactive mock examinations with video-chat capability, that can be recorded, stored and downloaded to computers, mobile devices, televisions and set-top boxes at remote and distant locations for later review; subscriber self-test examinations, which allow the subscriber to interactively self-test against a pre-recorded examiner; videos of successful oral exam performances in a mock examination setting, with an onscreen notepad and video controls that allow the subscriber to type in notes and store them; and instructional videos that provide guidelines and insight into various aspects of personal preparation and behavior for oral examinations. | 11-18-2010 |
Raymond Dahlgren, Tualatin, OR US
| Patent application number | Description | Published |
|---|---|---|
| 20090000339 | CHANNELED MOISTURE MANAGEMENT SOCK - An improved moisture transfer interface for knit products, such as socks. The interface requires a first knit portion comprising predominately hydrophilic yarn and a second knit portion comprising predominately hydrophobic yarn. The first and second knit portions each possess elongated fingers of their respective yarns which are interlocked with one another. Moisture that is absorbed by the hydrophilic first knit portion is wicked into the hydrophobic second knit portion and subsequently evaporates. The interlocked fingers provide a more effective moisture transfer interface than a non-fingered interface. | 01-01-2009 |
Richard Marc Dahlgren, Cineinnati, OH US
| Patent application number | Description | Published |
|---|---|---|
| 20090282622 | Keratin Dyeing Compounds, Keratin Dyeing Compositions Containing Said Compounds, and Use Thereof - Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one 3-substituted pyrazole keratin dyeing compound and derivatives thereof. A method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration. | 11-19-2009 |
Richard Marc Dahlgren, Cincinnati, OH US
Robert Dahlgren, Santa Cruz, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100019339 | MOLDED OPTICAL PACKAGE WITH FIBER COUPLING FEATURE - Apparatuses and methods directed to an integrated circuit package having an optical component are disclosed. The package may include an integrated circuit die having at least one light sensitive region disposed on a first surface thereof. By way of example, the die may be a laser diode that emits light through the light sensitive region, or a photodetector that receives and detects light through the light sensitive region. An optical concentrator may be positioned adjacent the first surface of the first die. The optical concentrator includes a lens portion positioned adjacent the light sensitive region and adapted to focus light. | 01-28-2010 |
Scott S. Dahlgren, Alpine, UT US
| Patent application number | Description | Published |
|---|---|---|
| 20110259639 | Downhole Axial Flux Generator - What is claimed is a downhole tool string component comprising a generator. The generator may comprise a toroidal stator comprising an interior channel formed between inward extending stator poles. A coil of wire is disposed within the interior channel, and a plurality of magnets are rotatably disposed proximate each pole. | 10-27-2011 |
| 20110260457 | Downhole Axial Flux Generator - What is claimed is a downhole tool string component comprising a generator. The generator may comprise a toroidal stator comprising an interior channel formed between inward extending stator poles. A coil of wire is disposed within the interior channel, and a plurality of magnets are rotatably disposed proximate each pole. | 10-27-2011 |