Douglas, TX
Brent Douglas, Keller, TX US
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20140245527 | COMFORT GUARD APPARATUS FOR REGULATING BODY TEMPERATURE AND METHOD OF USE - A comfort guard apparatus and method of use comprises a compartmentalized chamber positioned adjacent to protective equipment such as shin guards, chest protectors, and helmets. In one embodiment, the apparatus is interchangeable and removably positioned between the user and the protective equipment. In another embodiment, the apparatus is built in to the protective equipment including clothing such as shirts and pants. The apparatus can be replaced with a freshly cooled or warmed version during use. The apparatus conforms to the body of the user, keep the chamber in contact with a greater surface area, and prevent the contents of the compartments from gravitating towards edges. Adjacent compartments can be separated by a breakable membrane or contain breakable packets. The apparatus cushions the user from abrupt edges of the protective equipment. The apparatus, positioned against the body of the wearer, regulates the wearer's body temperature which contributes to enhanced athletic performance. | 09-04-2014 |
Daryl J. Douglas, Rockwall, TX US
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20120197880 | SYSTEM, METHOD, AND LOGIC FOR OPTIMIZED GEOSPATIAL DATA DELIVERY - A method may include subscribing each of a plurality of users to receive native-format geospatial information from a data source. The method may also include receiving native-format geospatial information from the data source. The method may further include analyzing native-format geospatial information and previously-rendered geospatial data file fragments to determine whether to update one or more previously-rendered geospatial data file fragments. The method may additionally include translating native-format geospatial information into geospatial data file fragments in response to a determination to update one or more previously-rendered geospatial data file fragments, and storing such geospatial data file fragments. | 08-02-2012 |
Dave Douglas, Montgomery, TX US
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20120089361 | Apparatus and Method for Remote Monitoring - Disclosed herein is an apparatus and method for remote monitoring that includes immersing a first temperature sensor at least partially into a heat transfer material situated in a thermo-well of a mobile container housing a material for transport, wherein the first temperature sensor includes a conductor routed through a first passage of a fitting, while providing access to the thermo-well for the insertion of a second temperature sensor through a second passage of the fitting, and receiving a signal from the first temperature sensor at a remote communication unit secured at least indirectly to the mobile container, wherein the signal is representative of the temperature of the material being transported. | 04-12-2012 |
David Douglas, Austin, TX US
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20110084666 | Smart Cart To Automatically Manage Portable Information Handling Systems - A smart cart for automatically managing a plurality of information handling systems. The system provides a plurality of functions. For example, in certain embodiments, the system provides one or more of security authentication for distributing the notebooks, automatic asset tracking functionality; identification of notebook charge status; provides identification of asset information (e.g., an asset tag number, a serial number or a computer name); network access to push patch updates at night when units are not in use; and charging control to optimize system availability and prevent AC input circuit overload. | 04-14-2011 |
20120099020 | System and Method for Controlling Antenna Tuning Using an Auxiliary Channel of an Embedded Display Port Interface - An information handling system includes a capacitor, an antenna, a wireless wide area network card, an embedded display port interface, and a digital-to-analog converter. The capacitor has a variable capacitance that varies based on a voltage applied to the capacitor. The antenna is coupled to the capacitor, and has a variable resonance frequency that is based on the variable capacitance. The wireless wide area network card is in communication with the antenna, and is configured to set the variable resonance frequency to a specific frequency based on a control signal. The embedded display port interface is configured to transmit the control signal from the wireless wide area network card to a display control circuit via an auxiliary channel of the embedded display port interface. The digital-to-analog converter is in communication with the display control circuit, and is configured to provide the voltage to the capacitor in response to a signal from the display control circuit. | 04-26-2012 |
20130122838 | System and Method for Controlling Antenna Tuning Using an Auxiliary Channel of an Embedded Display Port Interface - An information handling system includes a capacitor, an antenna, a wireless wide area network card, an embedded display port interface, and a digital-to-analog converter. The capacitor has a variable capacitance that varies based on a voltage applied to the capacitor. The antenna is coupled to the capacitor, and has a variable resonance frequency that is based on the variable capacitance. The wireless wide area network card is in communication with the antenna, and is configured to set the variable resonance frequency to a specific frequency based on a control signal. The embedded display port interface is configured to transmit the control signal from the wireless wide area network card to a display control circuit via an auxiliary channel of the embedded display port interface. The digital-to-analog converter is in communication with the display control circuit, and is configured to provide the voltage to the capacitor in response to a signal from the display control circuit. | 05-16-2013 |
David Dean Douglas, Garland, TX US
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20130291748 | Beaded Partially Coated Anti-marking Jackets - A removable flexible jacket for use in a printing press having a transfer cylinder for transferring a freshly printed substrate. The removable flexible jacket comprises a film sheet, a plurality of beads coupled to the film sheet by a bonding material, wherein the beads are of different sizes, and a coating partially covering the beads, wherein a cusp of at least some of the larger beads is substantially free of the coating. | 11-07-2013 |
20150101501 | BEADED PARTIALLY COATED ANTI-MARKING JACKETS - A removable flexible jacket for use in a printing press having a transfer cylinder for transferring a freshly printed substrate comprises a sheet of woven fabric, a beaded film sheet coupled to the sheet of woven fabric, and an image disposed between the sheet of woven fabric and the beaded film sheet. The image is visible through the beaded film sheet, and wherein the image divides at least a portion of a surface of the beaded film sheet into a plurality of zones. | 04-16-2015 |
David William Douglas, Austin, TX US
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20100191867 | Systems and Methods for Performing Field Updates of Firmware - Systems and methods for updating firmware in a target device are disclosed. A system may include a source device, a target device, and a standardized bidirectional communication path coupling the source device to the target device. The source device is operable to verify that the target device is capable of receiving a firmware update from the source device via the standardized bidirectional communication path and communicate the firmware update to the verified target device via the standardized bidirectional communication path. The target device is operable to receive the firmware update from the source device via the standardized bidirectional communication path and perform the firmware update in the target device. The source device is further operable to validate the completion of the firmware update in the target device via the standardized bidirectional communication path. | 07-29-2010 |
Donald L. Douglas, Stephenville, TX US
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20100300213 | Turbine flowmeter - A turbine flow meter comprises a flow pipe which includes an axial through bore and a meter cartridge which is positioned in the through bore. The meter cartridge includes a tubular cartridge housing through which a fluid to be measured is directed and a rotor which is rotatably supported in the cartridge housing. The cartridge housing is slidably received in a first portion of the through bore and comprises an outer diameter which is less than the diameter of that portion of the through bore. The meter cartridge is retained in the through bore by a retainer, which in turn is retained in the through bore by a ring seal. | 12-02-2010 |
Gary N. Douglas, Austin, TX US
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20090215072 | METHODS AND COMPOSITIONS RELATED TO DETERMINATION AND USE OF WHITE BLOOD CELL COUNTS - Described herein is an analyte detection device and method related to a portable instrument suitable for point-of-care analyses. In some embodiments, a portable instrument may include a disposable cartridge, an optical detector, a sample collection device and/or sample reservoir, reagent delivery systems, fluid delivery systems, one or more channels, and/or waste reservoirs. Use of a portable instrument may reduce the hazard to an operator by reducing an operator's contact with a sample for analysis. The device is capable of obtaining diagnostic information using cellular- and/or particle-based analyses and may be used in conjunction with membrane- and/or particle-based analysis cartridges. Analytes, including proteins and cells and/or microbes may be detected using the membrane and/or particle based analysis system. | 08-27-2009 |
James R. Douglas, Houston, TX US
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20160115781 | STATOR BORE GAGE - A stator bore gage comprises a detector assembly comprising a wheel configured to engage an inside surface and to transduce the varying surface diameters into electrical or optical signals representative of the condition of the inside surface as the detector traverses the inside surface. | 04-28-2016 |
Jon Douglas, Lewisville, TX US
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20140150477 | Defrost Control Using Fan Data - In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property. | 06-05-2014 |
20150219377 | SYSTEM FOR CONTROLLING OPERATION OF AN HVAC SYSTEM - The present invention provides for a control system for a compressor assembly of an heating, ventilation, and air conditioning (HVAC) system. A control assembly comprises a controller for varying the capacity of a compressor unit of the compressor assembly. The controller determines a first pressure of the compressor unit based on a first operating state of the compressor unit. | 08-06-2015 |
Jon Douglas, Richardson, TX US
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20140352340 | HEAT PUMP SYSTEM HAVING AN ENHANCED COMFORT MODE - One aspect presents an enhanced comfort controller that comprises a control board, a microprocessor located on and electrically coupled to the control board, and a memory coupled to the microprocessor and located on and electrically coupled to the control board. The enhanced comfort controller has an enhanced comfort program stored thereon that is configured to cause an indoor blower/heat exchange (ID) system of a heat pump to output an enhanced airflow rate of the ID system in response to an outdoor ambient temperature data. | 12-04-2014 |
Jonathan Douglas, Lewisville, TX US
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20130040549 | ECONOMIZER HAVING SOURCE-SPECIFIC DAMPER BLADE ASSEMBLIES AND HEATING, VENTILATION AND AIR CONDITIONING UNIT EMPLOYING THE SAME - An economizer having a first air inlet, a second air inlet and an air outlet, a method of operating an economizer and a heating, ventilation and air conditioning (HVAC) system employing the economizer. In one embodiment, the economizer includes: (1) a first damper blade assembly in fluid communication with the first air inlet and the air outlet and having a first plurality of damper blades configured to move in parallel and (2) a second damper blade assembly in fluid communication with the second air inlet and the air outlet and having a second plurality of damper blades configured to move in opposition. | 02-14-2013 |
20130161403 | HVAC SYSTEM, A CONTROLLER THEREFOR AND A METHOD OF MEASURING AND MANAGING VENTILATION AIRFLOW OF AN HVAC SYSTEM - A controller, an HVAC system employing the controller and a computer programmable product to implement a method of measuring and managing ventilation airflow of an HVAC system is disclosed. In one embodiment, the controller includes: ( | 06-27-2013 |
20140041401 | DEHUMIDIFICATION USING INTERMITTENT VENTILATION - Systems and methods for dehumidifying and conditioning air for a commercial building are presented. In one instance, a system involves ventilating a building at a rate higher than the required outdoor airflow rate in order to compensate for the fan being turned off when the compressor is off. Other systems and methods are presented. | 02-13-2014 |
20140150478 | Ice Sensor For a Heat Pump - In various implementations, an ice sensor may include heater(s), ice accumulation surface(s), and/or temperature sensor(s). During operation, heat from a heater may be provided to an ice accumulation surface and a temperature sensor(s) may determine temperature(s) of the ice accumulation surface. A determination of whether ice is present on the ice sensor may be based at least partially on the determined temperature(s). | 06-05-2014 |
20150107817 | SYSTEMS AND METHODS FOR VENTILATING A BUILDING - Systems and methods are disclosed for ventilating a building using a rooftop heating ventilating and air conditioning system that in one instance involve determining a first outdoor airflow into the system through a barometric relief damper; subtracting the first outdoor airflow from a minimum required outdoor airflow rate to arrive at second outdoor airflow; and setting an outdoor damper to provide an outdoor airflow through the outdoor damper that is greater than or substantially equal to the second outdoor airflow. Other systems and methods are disclosed. | 04-23-2015 |
20150219376 | SYSTEMS AND METHODS FOR REFRIGERANT CHARGE DETECTION - Systems and methods are disclosed for detecting a refrigerant charge in a cooling system. The systems and methods involve performing at least a partial pump down of the refrigerant while monitoring one or more metrics. The measured metrics may be compared to a standard in order to determine if a refrigerant leak has occurred or to determine other refrigerant information. Other systems and methods are disclosed. | 08-06-2015 |
Jonathan Douglas, Richardson, TX US
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20130282186 | HVAC SYSTEM HAVING A DIAGNOSTICS CONTROLLER ASSOCIATED THEREWITH - In one aspect, the present disclosure provides a controller for a HVAC system having an economizer with a damper and pressure sensors on opposing sides of the economizer. The controller comprise a diagnostics controller having a program configured to use pressure difference sensor data to determine if a pressure difference across the economizer is outside an operational design parameter of the HVAC system, and generate an error signal when the pressure difference is outside the operational design parameter. | 10-24-2013 |
20140371918 | CONTROLLER FOR A HVAC SYSTEM HAVING A CALIBRATION ALGORITHM - This disclosure presents a controller for use with a HVAC system that has a program stored therein that is configured to relate a torque of a fan motor of a HVAC system with an airflow rate of the HVAC system, such that a selected airflow rate will cause the fan motor to operate at a torque that will produced the selected airflow rate. | 12-18-2014 |
Jonathan D. Douglas, Bullard, TX US
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20100080712 | System and Method of Disabling an HVAC Compressor Based on a High Pressure Cut Out - A system and method is provided for monitoring a system pressure to infer whether a high pressure cut out (HPCO) switch has opened disabling a heating, ventilating, and air conditioning (HVAC) compressor. A system and method are also provided for determining whether to disable the HVAC compressor based on a status of a low pressure cut out (LPCO) switch, an ambient temperature, and system mode state. The systems and methods may be used interchangeably with the appropriate adjustments to decision limits, such as where the LPCO may be monitored to infer status and the HPCO status may be directly used with temperature and system mode state. | 04-01-2010 |
20100080713 | System and Method of Disabling an HVAC Compressor Based on a Low Pressure Cut Out - A system and method is provided for monitoring a system pressure to infer whether a high pressure cut out (HPCO) switch has opened disabling a heating, ventilating, and air conditioning (HVAC) compressor. A system and method are also provided for determining whether to disable the heating, ventilating, and air conditioning (HVAC) compressor based on a status of a low pressure cut out (LPCO) switch, an ambient temperature, and system mode state. The systems and methods may be used interchangeably with the appropriate adjustments to decision limits, such as where the LPCO may be monitored to infer status and the HPCO status may be directly used with temperature and system mode state. | 04-01-2010 |
20100123016 | System and Method for Oil Return in an HVAC System - A system and a method are provided for returning oil in a heating, ventilation, and air conditioning (HVAC) system by determining when an ambient zone temperature is equal to or less than a temperature limit and reversing a direction of refrigerant flow of the HVAC system based on the length of time. Also, a system and a method are provided for monitoring the length of operation in a first and a second heating mode and for reversing a direction of refrigerant flow based on the length of time operation occurs in the first and second heating modes. A system and a method having a first compressor, a first heating mode, a second heating mode, a defrost mode, and a controller is disclosed. The controller selectively controls initiation of the defrost mode in response to an HVAC system operating in a heating mode of operation for a predetermined amount of time. | 05-20-2010 |
20100125368 | System and Method for Sump Heater Control in an HVAC System - A system and a method are provided for powering up a heating, ventilation, and air conditioning (HVAC) system and operating a sump heater for a compressor for a first predetermined period of time in response to the HVAC system being powered up. A heating, ventilation, and air conditioning system and a method for controlling the system are provided. The HVAC system includes a compressor, a sump heater associated with the compressor, and a controller configured to control the compressor and the sump heater so that the sump heater is not operated while the compressor is operated. | 05-20-2010 |
20100125369 | System and Method for Defrost of an HVAC System - A system and a method are provided for monitoring a condition and selectively executing a certification defrost algorithm for a heating, ventilation, and air conditioning (HVAC) system in response to the status of the monitored condition. A system and a method are provided for selectively operating a certification defrost algorithm in parallel to a field defrost algorithm. A system and a method are also provided for causing a controller to execute a first algorithm and for causing the controller to selectively execute a second algorithm while also executing the first algorithm where each of the first algorithm and the second algorithm are configured to selectively cause the HVAC system to operate in a defrost mode. | 05-20-2010 |
Jonathan David Douglas, Bullard, TX US
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20090031740 | Expansion valve control system and method for air conditioning apparatus - A vapor compression air conditioning system includes a motor operated expansion valve and control unit including sensors for determining the amount of superheat of the working fluid at or adjacent to the compressor inlet. Expansion valve position is adjusted to maintain a predetermined amount of superheat. The sensors may sense working fluid evaporator temperature and temperature downstream of the evaporator. Dual motor operated expansion valves may be disposed in the working fluid conduit between the heat exchangers in a reversible system. In operation, the expansion valve position may be set as a function of ambient temperature, a previous position, and predetermined superheat requirements to minimize liquid ingestion by the compressor. | 02-05-2009 |
20100101246 | System and Method For Controlling Working Fluid Charge In A Vapor Compression Air Conditioning System - Vapor compression air conditioning systems are provided with a flow restrictor for transferring working fluid to and from at least one of the compressor low pressure inlet conduit and compressor high pressure outlet conduit to provide for accurate charge adjustment to achieve predetermined fluid sub-cooling. Pressure and temperature measurements are taken at a condenser fluid outlet conduit and provided to a microcontroller for determining fluid sub-cooling and comparing sub-cooling with a predetermined target sub-cooling. A charge addition or recovery apparatus may include a solenoid valve controlled by the microcontroller to more accurately control the addition or recovery of refrigerant fluid charge. | 04-29-2010 |
Jonathan David Douglas, Lewisville, TX US
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20120080179 | EXPANSION VALVE CONTROL SYSTEM AND METHOD FOR AIR CONDITIONING APPARATUS - A method of reducing a cyclical loss coefficient of an HVAC system efficiency rating of an HVAC system includes operating the HVAC system using a recorded electronic expansion valve position of an electronic expansion valve of the HVAC system, discontinuing operation of the HVAC system, and resuming operation of the HVAC system using an electronic expansion valve position that allows greater refrigerant mass flow through the expansion valve as compared to the recorded electronic expansion valve position. | 04-05-2012 |
20120248212 | Methods and Systems for Controlling a Hybrid Heating System - In at least some embodiments, a hybrid heating system includes a heat pump and an auxiliary furnace. The system also includes a controller coupled to the heat pump and the auxiliary furnace. The controller, in response to receiving a heat request, selects either the heat pump or the auxiliary furnace based on an economic balance point algorithm. | 10-04-2012 |
20120253524 | Method of Adaptive Control of a Bypass Damper in a Zoned HVAC System - A zoned HVAC system comprises an HVAC unit including a climate control system and an air mover. In addition, the system comprises a supply air duct in fluid communication with the outlet of the HVAC unit. Further, the system comprises a return air duct in fluid communication with the inlet of the HVAC unit. Still further, the system comprises a plurality of zones positioned between the supply air duct and the return air duct. Moreover, the system comprises a bypass duct extending between the supply air duct and the return air duct. The bypass duct includes an active bypass damper having an open position, a closed position, and a plurality of partially opened positions. The system also comprises a control device configured to control the position of the bypass duct. | 10-04-2012 |
20120279236 | Reversible Flow Electronic Expansion Vavle - An HVAC system includes an electronic expansion valve having a movable obturator with a truncated tip and a port configured to selectively receive the truncated tip. An electronically controlled expansion valve includes a movable obturator with a truncated tip and a port configured to selectively receive the truncated tip. A method of operating a heat pump HVAC system includes providing an electronically controlled expansion valve comprising an obturator having a truncated tip and flowing refrigerant through the valve. | 11-08-2012 |
20130067943 | System and Method for Oil Return in an HVAC System - A system and a method are provided for returning oil in a heating, ventilation, and air conditioning (HVAC) system by determining when an ambient zone temperature is equal to or less than a temperature limit and reversing a direction of refrigerant flow of the HVAC system based on the length of time. Also, a system and a method are provided for monitoring the length of operation in a first and a second heating mode and for reversing a direction of refrigerant flow based on the length of time operation occurs in the first and second heating modes. A system and a method having a first compressor, a first heating mode, a second heating mode, a defrost mode, and a controller is disclosed. The controller selectively controls initiation of the defrost mode in response to an HVAC system operating in a heating mode of operation for a predetermined amount of time. | 03-21-2013 |
20130092355 | Heat Exchanger With Subcooling Circuit - An air handling unit has a blower configured to selectively move air from an air inlet of the air handling unit to an air outlet of the air handling unit along an airflow direction extending from the blower to the air outlet, a heat exchanger disposed within the air handling unit between the inlet and the outlet, the heat exchanger has a thermal conductor, an evaporator tube thermally conductively joined to the thermal conductor, and a subcooler tube thermally conductively joined to the thermal conductor. An expansion device provides fluid communication between the evaporator tube and the subcooler tube and a drain pan disposed within the air handling unit upstream relative to the at least one subcooler tube and positioned in a geometrical footprint of at least a portion of the drain pan as the drain pan is viewed from an upstream position in the airflow direction. | 04-18-2013 |
Jonathan David Douglas, Hurst, TX US
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20150060037 | Method of Adaptive Control of a Bypass Damper in a Zoned HVAC System - A zoned HVAC system comprises an HVAC unit including a climate control system and an air mover. In addition, the system comprises a supply air duct in fluid communication with the outlet of the HVAC unit. Further, the system comprises a return air duct in fluid communication with the inlet of the HVAC unit. Still further, the system comprises a plurality of zones positioned between the supply air duct and the return air duct. Moreover, the system comprises a bypass duct extending between the supply air duct and the return air duct. The bypass duct includes an active bypass damper having an open position, a closed position, and a plurality of partially opened positions. The system also comprises a control device configured to control the position of the bypass duct. | 03-05-2015 |
Judy Elizabeth Douglas, Beaumont, TX US
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20140309332 | NDBR WET MASTERBATCH - The invention relates to an NdBR wet masterbatch comprising -neodymium-catalysed polybutadienes having a high proportion of cis-1,4 units of >95% and a low proportion of 1,2-vinyl content of <1%, with narrow polydispersity of less than 3, with a Mooney viscosity (ML | 10-16-2014 |
Noah Douglas, Keller, TX US
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20140245527 | COMFORT GUARD APPARATUS FOR REGULATING BODY TEMPERATURE AND METHOD OF USE - A comfort guard apparatus and method of use comprises a compartmentalized chamber positioned adjacent to protective equipment such as shin guards, chest protectors, and helmets. In one embodiment, the apparatus is interchangeable and removably positioned between the user and the protective equipment. In another embodiment, the apparatus is built in to the protective equipment including clothing such as shirts and pants. The apparatus can be replaced with a freshly cooled or warmed version during use. The apparatus conforms to the body of the user, keep the chamber in contact with a greater surface area, and prevent the contents of the compartments from gravitating towards edges. Adjacent compartments can be separated by a breakable membrane or contain breakable packets. The apparatus cushions the user from abrupt edges of the protective equipment. The apparatus, positioned against the body of the wearer, regulates the wearer's body temperature which contributes to enhanced athletic performance. | 09-04-2014 |
Scott C. Douglas, University Park, TX US
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20100076756 | SPATIO-TEMPORAL SPEECH ENHANCEMENT TECHNIQUE BASED ON GENERALIZED EIGENVALUE DECOMPOSITION - The present invention describes a speech enhancement method using microphone arrays and a new iterative technique for enhancing noisy speech signals under low signal-to-noise-ratio (SNR) environments. A first embodiment involves the processing of the observed noisy speech both in the spatial- and the temporal-domains to enhance the desired signal component speech and an iterative technique to compute the generalized eigenvectors of the multichannel data derived from the microphone array. The entire processing is done on the spatio-temporal correlation coefficient sequence of the observed data in order to avoid large matrix-vector multiplications. A further embodiment relates to a speech enhancement system that is composed of two stages. In the first stage, the noise component of the observed signal is whitened, and in the second stage a spatio-temporal power method is used to extract the most dominant speech component. In both the stages, the filters are adapted using the multichannel spatio-temporal correlation coefficients of the data and hence avoid large matrix vector multiplications. | 03-25-2010 |
20130041659 | SPATIO-TEMPORAL SPEECH ENHANCEMENT TECHNIQUE BASED ON GENERALIZED EIGENVALUE DECOMPOSITION - Described herein is a speech enhancement method using microphone arrays and a new iterative technique for enhancing noisy speech signals under low signal-to-noise-ratio (SNR) environments. Included is the processing of observed noisy speech both in the spatial- and the temporal-domains to enhance the desired signal component speech and an iterative technique to compute the generalized eigenvectors of the multichannel data derived from the microphone array. The entire processing is done on the spatio-temporal correlation coefficient sequence of the observed data in order to avoid large matrix-vector multiplications. Also described is a speech enhancement system having two stages. In the first stage, the noise component of the observed signal is whitened, and in the second stage a spatio-temporal power method is used to extract the most dominant speech component. In both the stages, the filters are adapted using the multichannel spatio-temporal correlation coefficients of the data. | 02-14-2013 |
Zora B. Mcpherson Douglas, Dallas, TX US
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20080211185 | Bean hed - This invention is a game apparatus that has a unique bean shaped head. The game apparatus is used as a game piece | 09-04-2008 |