Gardner, CO
Andrew J. Gardner, Colorado Springs, CO US
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20100320974 | ADJUSTABLE CURRENT LIMIT SWITCHING REGULATOR WITH CONSTANT LOOP GAIN - A switching regulator is configured to provide a regulated voltage to a load while maintaining a substantially maximum output current limit, the switching regulator having a loop gain. In accordance with one aspect the switching regulator comprises: a circuit for adjusting the maximum output current limit in response to a programmable signal independently of the loop gain. In accordance with another aspect, the switching regulator comprises: a resistance sensing element for providing the current output of the regulator, and having a resistance which varies with temperature; and a circuit for maintaining the output current limit at a level independent of the temperature of the sensing element. In addition, in accordance with one aspect, a method of providing a regulated voltage to a load is disclosed in which a substantially maximum output current limit of a switching regulator is maintained. In one aspect the method comprises: adjusting the maximum output current limit in response to a programmable signal independently of the loop gain. In accordance with a second aspect, the method comprises: maintaining the output current limit at a level independent of the temperature of the sensing element and a constant transient response to load perturbations as a function of temperature and current limit setting. | 12-23-2010 |
Andrew Joseph Gardner, Louisville, CO US
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20110156687 | EFFICIENCY MEASURING CIRCUIT FOR DC-DC CONVERTER WHICH CALCULATES INTERNAL RESISTANCE OF SWITCHING INDUCTOR BASED ON DUTY CYCLE - An efficiency measuring circuit may measure the efficiency of a DC-DC converter having a switching inductor with an internal DC resistance and a plurality of electronic switches that control current through the inductor. A duty cycle circuit may measure the duty cycle of current flowing through one of the electronic switches. A current sense circuit may measure the current flowing through one of the electronic switches. An inductor voltage sensor circuit may measure the voltage across the inductor. A computation circuit may compute the internal DC resistance of the switching inductor based in part on the duty cycle measured by the duty cycle circuit and the current measured by the current sense circuit. The computation circuit may also compute the efficiency of the DC-DC converter. | 06-30-2011 |
Barry L. Gardner, Broomfield, CO US
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20120280865 | Range Localization System - The location of a transmitter can be determined by accurately measuring the elapsed time that it takes for a signal to propagate from a transmission source to a plurality of disparate receivers of a known location. By comparing the received transmitted signal to reference signal a range between each receiver and the transmitter can be determined. By intersecting the spheres defined by each range an accurate location of the transmitter can be obtained. | 11-08-2012 |
Benjamin F. Gardner, Superior, CO US
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20140131622 | METHODS AND APPARATUS FOR COOLING SYNGAS FROM BIOMASS GASIFICATION - Improved biomass-gasification methods and apparatus are described, for cooling hot syngas without relying on recycling cool syngas. In some variations, methods are provided for producing cooled syngas from a carbon-containing feedstock, comprising: gasifying the feedstock; feeding hot gas along with liquid water to a cooling device to accomplish humidification, thereby reducing the temperature (but not the enthalpy) of the hot gas; and then feeding the stream to a waste-heat recovery unit to recover energy and produce cool syngas. The invented methods and apparatus can prevent fouling of waste-heat recovery units. Additionally, these methods allow for effective management of tars produced during biomass gasification as well as improved water management. | 05-15-2014 |
Bryan Gardner, Denver, CO US
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20160052593 | Universal Platform Adapter For Use With A Bicycle Having A Clipless Pedal - A universal platform adapter for use with a clipless pedal on a bicycle includes a body portion having upper and lower surfaces, wherein the upper surface is adapted to be engaged by a generally flat bottom surface of a shoe. A first plurality of attachment apertures is provided in a first arrangement on the lower surface of the body portion and is adapted to cooperate with a first cleat that is adapted for use with a clipless pedal on a bicycle. A second plurality of attachment apertures is provided in a second arrangement on the lower surface of the body portion and is adapted to cooperate with a second cleat that is adapted for use with a clipless pedal on a bicycle. The second arrangement defined by the second plurality of attachment apertures is different from the first arrangement defined by the first plurality of attachment apertures. | 02-25-2016 |
David K. Gardner, Highlands Ranch, CO US
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20090191534 | SYSTEM AND SEQUENTIAL CULTURE MEDIA FOR IN VITRO FERTILIZATION - Instead of immersing human reproductive cells in a single culture medium throughout the various procedures used in IVF, a process is provided by which the reproductive cells may be moved through a sequence of distinct culture media as the various IVF procedures are carried out. In one implementation, the culture media specifically formulated to provide a physical environment similar to that found within the female reproductive tract and conducive to growth and development of human reproductive cells during the various stages of the IVF process. In this regard, specifically formulated culture media can be applied to support the reproductive cells in one or more of the following procedures: oocyte retrieval and handling; oocyte maturation; ordinary fertilization; oocyte, zygote and embryo examination and biopsy; embryonic development to the eight-cell stage; embryonic development to the blastocyst stage; embryo transfer, and cryopreservation. | 07-30-2009 |
David W. Gardner, Colorado Springs, CO US
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20080198246 | SENSOR-BASED GAMMA CORRECTION OF A DIGITAL CAMERA - The anti-blooming structure of an image sensor is supplied with varying voltages during different integration periods such that charges generated in response to low level light are fully captured, whereas charges generated in response to a bright light spill over in a controlled manner. Accordingly, sensor's response may be generated to result in higher gains at low light levels and progressively lower gains at the higher light levels. | 08-21-2008 |
20080315908 | DIRECT DETECT SENSOR FOR FLAT PANEL DISPLAYS - Each sensor of a linear array of sensors includes, in part, a sensing electrode and an associated feedback circuit. The sensing electrodes are adapted to be brought in proximity to a flat panel having formed thereon a multitude of pixel electrodes in order to capacitively measure the voltage of the pixel electrodes. Each feedback circuit is adapted to actively drive its associated electrode via a feedback signal so as to maintain the voltage of its associated electrode at a substantially fixed bias. Each feedback circuit may include an amplifier having a first input terminal coupled to the sensing electrode and a second input terminal coupled to receive a biasing voltage. The output signal of the amplification circuit is used to generate the feedback signal that actively drives the sensing electrode. The biasing voltage may be the ground potential. | 12-25-2008 |
20090295425 | DIRECT DETECT SENSOR FOR FLAT PANEL DISPLAYS - Each sensor of a linear array of sensors includes, in part, a sensing electrode and an associated feedback circuit. The sensing electrodes are adapted to be brought in proximity to a flat panel having formed thereon a multitude of pixel electrodes in order to capacitively measure the voltage of the pixel electrodes. Each feedback circuit is adapted to actively drive its associated electrode via a feedback signal so as to maintain the voltage of its associated electrode at a substantially fixed bias. Each feedback circuit may include an amplifier having a first input terminal coupled to the sensing electrode and a second input terminal coupled to receive a biasing voltage. The output signal of the amplification circuit is used to generate the feedback signal that actively drives the sensing electrode. The biasing voltage may be the ground potential. | 12-03-2009 |
20100020180 | ALIGNMENT METROLOGY AND RESOLUTION MEASUREMENT SYSTEM FOR IMAGING ARRAYS - An alignment metrology and resolution measurement system concurrently determines the alignment of an imaging array in six degrees of freedom relative to an external reference frame, and further determines the resolution of the imaging array. To achieve this, an image of at least three mask patterns is projected on the imaging array. First and second positions of the imaging array relative to first and second coordinate axis of the reference frame is obtained using pixel positions of the images along the first and second axis. A first rotational position of the imaging array about a third coordinate axis is obtained using pixel positions of the images along the first and second axes. The third position and the second and third rotational positions of the imaging array about the first and second coordinate axis are determined using feature widths of focus images of the patterns and distances between the mask patterns. | 01-28-2010 |
20100045334 | DIRECT DETECT SENSOR FOR FLAT PANEL DISPLAYS - Each sensor of a linear array of sensors includes, in part, a sensing electrode and an associated feedback circuit. The sensing electrodes are adapted to be brought in proximity to a flat panel having formed thereon a multitude of pixel electrodes in order to capacitively measure the voltage of the pixel electrodes. Each feedback circuit is adapted to actively drive its associated electrode via a feedback signal so as to maintain the voltage of its associated electrode at a substantially fixed bias. Each feedback circuit may include an amplifier having a first input terminal coupled to the sensing electrode and a second input terminal coupled to receive a biasing voltage. The output signal of the amplification circuit is used to generate the feedback signal that actively drives the sensing electrode. The biasing voltage may be the ground potential. | 02-25-2010 |
20140247365 | TECHNIQUES FOR SELECTIVE NOISE REDUCTION AND IMAGING SYSTEM CHARACTERIZATION - Various techniques are disclosed for reducing spatial and temporal noise in captured images. In one example, temporal noise may be filtered while still retaining temporal responsivity in filtered images to allow low contrast temporal events to be captured. Spatial and temporal noise filters may be selectively weighted to more strongly favor filtering using whichever one of the filters is least likely to cause a loss of signal fidelity in actual scene content. Other techniques are disclosed for determining various parameters of imaging systems having image lag. For example, a mean-variance characterization and a noise equivalent irradiance characterization may be performed to determine parameters of the imaging systems. Results of such characterizations may be used to determine the actual performance of the imaging systems without the effects of image lag. | 09-04-2014 |
Don Gardner, Longmont, CO US
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20090157236 | Intelligent system and method for spacecraft autonomous operations - The intelligent system for autonomous spacecraft operations includes an on-board Autonomous Operations subsystem integrated with an on-ground Web-based Remote Intelligent Monitor System (RIMS) providing interface between on-ground users and the autonomous operations intelligent system. The on-board Autonomous Operation subsystem includes an On-Orbit Checkout Engine (OOCE) unit and an Autonomous Tasking Engine (ATE) unit. Spacecraft Command Language (SCL) engine underlies the operations of the OOCE, ATE and RIMS, and serves as an executer of commands sequences. The OOCE uses the SCL engine to execute a series of SCL command scripts to perform a rapid on-orbit checkout of subsystems/components of the spacecraft in 1-3 days. The ATE is a planning and scheduling tool which receives requests for “activities” and uses the SCL scripts to verify the validity of the “activity” prior to execution, and scheduling the “activity” for execution or re-scheduling the same depending on verification results. Automated Mission Planning System (AMPS) supports the ATE operations. The ATE uses a priority schedule if multiple “activities” are to be executed. | 06-18-2009 |
Edward A. Gardner, Colorado Springs, CO US
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20160050139 | SYSTEM AND METHOD FOR MESSAGE ROUTING IN A NETWORK - A transmitting end-point computes a current transmission rate for each respective outbound half-route of outbound half-routes of a route set between transmitting and receiving end-points. The transmitting end-point receives, from the receiving end-point via a respective inbound half-route of the route set, a transmission rate limit for each respective outbound half-route, the transmission rate limit computed by the receiving end-point from routing headers of messages received by the receiving end-point on the respective outbound half-route, wherein the transmission rate limit for each respective outbound half-route places an upper bound on the current transmission rate for transmissions issued on the respective outbound half-route. | 02-18-2016 |
Harry Gardner, Colorado Springs, CO US
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20120119780 | SINGLE EVENT TRANSIENT DIRECT MEASUREMENT METHODOLOGY AND CIRCUIT - A circuit and method of directly measuring the Single Event Transient (SET) performance of a combinatorial circuit includes a measurement chain. The measurement chain includes a plurality of cells, each in turn including a pair of SR latches, a dual-input inverter, and a target. During measurement and testing, the targets are irradiated, and a pulse signal caused by an SET event is allowed to propagate through the measurement chain only if the pair of SR latches are active at the same time. The pulse signal is latched by the measurement chain, thus allowing the presence of an SET event to be detected. | 05-17-2012 |
20120274352 | SINGLE EVENT TRANSIENT DIRECT MEASUREMENT METHODOLOGY AND CIRCUIT - A circuit and method of directly measuring the Single Event Transient (SET) performance of a combinatorial circuit includes a measurement chain. The measurement chain includes a plurality of cells, each in turn including a pair of SR latches, a dual-input inverter, and a target. During measurement and testing, the targets are irradiated, and a pulse signal caused by an SET event is allowed to propagate through the measurement chain only if the pair of SR latches are active at the same time. The pulse signal is latched by the measurement chain, thus allowing the presence of an SET event to be detected. | 11-01-2012 |
Jeffrey T. Gardner, Woodland Park, CO US
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20140102842 | DAMPER WITH DIGITAL VALVE - A shock absorber has a compression valve assembly that provides a high damping load during a compression stroke and an extension valve assembly that provides a high damping load during an extension stroke. One or more digital valve assemblies is positioned to work in parallel with the compression valve assembly and the extension valve assembly to provide a lower damping load. The lowering of the damping load is based upon the cross sectional area of flow passages provided by the one or more digital valve assemblies. | 04-17-2014 |
20140244112 | VALVE SWITCHING CONTROLS FOR ADJUSTABLE DAMPER - A damper system for a vehicle includes a shock absorber and a damper module. The shock absorber includes a plurality of digital valves. The shock absorber is operable at one of multiple damping states based on a valve state of the digital valves. The damper module is coupled to each of the digital valves and controls each of the digital valves to a desired state based on a damper setting. The damper module determines a target damping state, where the target state is one of the multiple damping states. The damper module performs a switch operation to control the valve state of the plurality of digital valves to a given desired state when the target damping state is different from a present damping state. | 08-28-2014 |
20140262648 | ROD GUIDE ASSEMBLY WITH MULTI-PIECE VALVE ASSEMBLY - A shock absorber may include a piston rod, a first rod guide member, a second rod guide member, and an electronically controlled valve assembly. The first rod guide member is concentrically disposed about the piston rod, and the second rod guide member is concentrically disposed about the piston rod and is adjacent the first rod guide member. The electronically controlled valve assembly may include a coil assembly and a valve guide assembly. The valve guide assembly may be disposed adjacent to the coil assembly and may be concentrically disposed about the second rod guide member. The valve guide assembly includes a spool and defines a valve inlet, a valve outlet, and a chamber. The spool is disposed within the chamber and controls the flow of fluid between the valve inlet and the valve outlet. | 09-18-2014 |
20140262654 | TWO POSITION VALVE WITH FACE SEAL AND PRESSURE RELIEF PORT - A shock absorber has a housing with a piston rod assembly disposed therein. A first rod guide member is secured within a first portion of the housing so as to be concentrically disposed about at least a portion of the piston rod assembly. A second rod guide member is secured within the housing adjacent the first rod guide member so as to be concentrically disposed about at least another portion of the piston rod assembly. A digital valve assembly is disposed within the second rod guide member and fluidly couples chambers within the shock absorber. | 09-18-2014 |
20150377316 | DAMPER WITH DIGITAL VALVE - A shock absorber is disclosed which has a base valve assembly for controlling a flow of a working fluid between a reservoir chamber and a working chamber of the shock absorber. The base valve makes use of at least one digital valve assembly. The digital valve assembly communicates with an intermediate chamber formed between an intermediate tube and a pressure tube of the shock absorber. The digital valve assembly controls flow of the working fluid between the intermediate chamber and the reservoir chamber, to help control a damping action provided by the shock absorber. | 12-31-2015 |
20160082803 | VALVE SWITCHING CONTROLS FOR ADJUSTABLE DAMPER - A damper system and method for a vehicle includes a shock absorber and a damper module. The shock absorber includes a plurality of digital valves. The shock absorber is operable at one of multiple damping states based on a valve state of the digital valves. The damper module is coupled to each of the digital valves and controls each of the digital valves to a desired state based on a damper setting. The damper module determines a target damping state, where the target state is one of the multiple damping states. The damper module performs a switch operation to control the valve state of the plurality of digital valves to a given desired state when the target damping state is different from a present damping state. | 03-24-2016 |
John D. Gardner, Colorado Springs, CO US
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20130128946 | METHOD OF OPTIMIZING FLOATING DFE RECEIVER TAPS - A method for determining floating tap positions in a DFE of a receiver is disclosed. The method include providing a group of floating taps for the DFE; obtaining a baseline eye opening value for the receiver when the group of floating taps is disabled; providing a plurality of floating tap distribution configurations, each specifying a distribution configuration for the group of floating taps within the DFE; obtaining a plurality of eye opening values for the receiver, each particular eye opening value corresponding to a particular floating tap distribution configuration when the group of floating taps are distributed within the DFE according to the particular floating tap distribution configuration; comparing each of the plurality of eye opening values against the baseline eye opening value; and identifying an optimal floating tap distribution configuration based on the comparison of each of the plurality of eye opening values against the baseline eye opening value. | 05-23-2013 |
John R. Gardner, Parker, CO US
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20140115800 | ELECTRIC TOOTHBRUSH WITH DRIVE MECHANISM - A toothbrush that includes a brushing attachment and a handle. The brushing attachment includes a main body portion with a hollow neck having an attachment opening and a head with a cleaning member opening, a drive shaft positioned in the neck, a cleaning member drive mechanism matingly engaged with gearing on the drive shaft, and a cleaning member extending through the cleaning member opening in the head and operatively associated with the cleaning member drive mechanism. The drive shaft includes a spline drive on one end and gearing on the opposite end. The handle includes a main body portion with a brushing attachment connection receiver that is at least partially received in the attachment opening. The brushing attachment connection receiver includes a recess defined therein that receives a drive hub with a grooved recess defined therein that receives the spline drive. | 05-01-2014 |
20140115801 | ELECTRIC TOOTHBRUSH ATTACHMENT MECHANISM - A toothbrush that includes a brushing attachment and a handle is described. The brushing attachment includes a main body portion that includes a hollow neck and a head. The neck includes a skirt portion with an attachment opening and the head includes a cleaning member opening. The handle includes a main body portion that houses a motor, and a male attachment member extending upwardly from the main body portion that is at least partially received in the attachment opening in the brushing attachment. The male attachment member includes at least a first retention rib that is received in a first retention recess defined in the inner surface of the neck of the brushing attachment, and the inner surface of the neck includes a first retention lug extending outwardly therefrom that is positioned below the first retention rib. | 05-01-2014 |
20150190218 | Electric Toothbrush With Drive Mechanism - A toothbrush that includes a brushing attachment and a handle. The brushing attachment includes a main body portion with a hollow neck having an attachment opening and a head with a cleaning member opening, a drive shaft positioned in the neck, a cleaning member drive mechanism matingly engaged with gearing on the drive shaft, and a cleaning member extending through the cleaning member opening in the head and operatively associated with the cleaning member drive mechanism. The drive shaft includes a spline drive on one end and gearing on the opposite end. The handle includes a main body portion with a brushing attachment connection receiver that is at least partially received in the attachment opening. The brushing attachment connection receiver includes a recess defined therein that receives a drive hub with a grooved recess defined therein that receives the spline drive. | 07-09-2015 |
Paul O. Gardner, Colorado Springs, CO US
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20120055215 | LOCK CYLINDER WITH OFFSET PIN - A method of re-keying a lock cylinder. The method includes providing a housing including outer pins, a plug rotatably engaged within the housing and having a key slot and inner pins configured to align with the outer pins, and an engagement member inserted into the plug as a separate piece such that the engagement member engages one or more originally engaged inner pins to space each of the engaged inner pins a distance from a pin resting surface defined by the key slot. The method also includes modifying the engagement member, and inserting the modified engagement member into the plug so that the engagement member engages one or more newly engaged inner pins different from the originally engaged inner pins to space each of the newly engaged inner pins a distance from the pin resting surface. | 03-08-2012 |
Robert D. Gardner, Fort Collins, CO US
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20100115095 | AUTOMATICALLY MANAGING RESOURCES AMONG NODES - A system for managing resources automatically among nodes includes a node controller configured to dynamically manage allocation of node resources to individual workloads, where each of the nodes is contained in one of a plurality of pods. The system also includes a pod controller configured to manage live migration of workloads between nodes within one of the plurality of pods, where the plurality of pods are contained in a pod set. The system further includes a pod set controller configured to manage capacity planning for the pods contained in the pod set. The node controller, the pod controller and the pod set controller are interfaced with each other to enable the controllers to meet common service policies in an automated manner. The node controller, the pod controller and the pod set controller are also interfaced with a common user interface to receive service policy information. | 05-06-2010 |
Thomas Gardner, Loveland, CO US
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20130109107 | DIAGNOSIS AND TREATMENT OF AUTOIMMUNE DISEASE | 05-02-2013 |
Thomas A. Gardner, Littleton, CO US
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20110011091 | Method to create kinetic energy - This invention relates generally to energy and more particularly to a method, hitherto unknown, to create kinetic energy of a body of mass. It is excessively well know in classical physics that energy can not be created or destroyed. The word create as used herein shall mean to make present about the surface of the earth energy which was previously was not present. The source of the kinetic energy shall be due to a combination of earth's gravity effects acting through a displacement. The new use and method for creating kinetic energy shall be by situating an EPICYCLOID ROLLING RESISTANCE ABATEMENT MEANS (U.S. Pat. No. 4,878,525) on an inclined surface on or about the earth's surface. Epicycloid rolling resistance abatement means art provides means of rolling resistance abatement for vehicle wheels by means of sequaciously storing and releasing energy by way of compression springs attached in a recessed manner to the periphery of a vehicle wheel. The new use and method would still render the same results if the wheel were extricated from a vehicle. The present new use invention whilst in operation incurs motion by the influence of gravity and provides a method by a unique combination of the elements described above for the acquisition of an increase of kinetic energy hitherto unknown. Subsequently, the created kinetic energy could be converted to electrical energy or other form of energy. The energy yielded may also be stored for a later and more timely use. This prior art discloses the operation with a multiplicity of vehicle wheels cooperating and communicating with synchronisation optimization. This wheel apparatus art shall constitutes the structural form of the present invention new use and method and the said form shall be situated on an inclined plane and the said inclined plane shall reside in a gravitation field and be subjected to effective forces appertaining thereto in a predetermined and pre-positioned manner whereby the wheel apparatus is impels force resulting in kinetic energy. | 01-20-2011 |