Patent application number | Description | Published |
20100257906 | KEYPAD LOCKSET - A keypad lockset adapted for deadbolt as well as lever locks, and having as a first embodiment an exterior gear train, an interior gear train, and an electronically controlled clutch for coupling the gear trains when engaged and for uncoupling the gear trains when the clutch is disengaged, so that when the clutch is engaged rotation of an external thumb turn will permit the door latch to be withdrawn and thus to permit opening of the door, and a mechanical override mechanism that can be operated in case of electrical failure, and in which clutch mechanism and the override mechanism both operate through the single, standard 2⅛ inch door preparation hole, or alternatively as a second embodiment, a keypad lockset in which two four-bar mechanical linkages are used in place of gears as means to actuate the clutch, and alternatively to provide for a pass-through override function. | 10-14-2010 |
20120055213 | KEYPAD LOCKSET - A keypad lockset adapted for deadbolt as well as lever locks, and having as a first embodiment an exterior gear train, an interior gear train, and an electronically controlled clutch for coupling the gear trains when engaged and for uncoupling the gear trains when the clutch is disengaged, so that when the clutch is engaged rotation of an external thumb turn will permit the door latch to be withdrawn and thus to permit opening of the door, and a mechanical override mechanism that can be operated in case of electrical failure, and in which clutch mechanism and the override mechanism both operate through the single, standard 2 and ⅛ inch door preparation hole, or alternatively as a second embodiment, a keypad lockset in which two four-bar mechanical linkages are used in place of gears as means to actuate the clutch, and alternatively to provide for a pass-through override function. | 03-08-2012 |
20140159392 | CONCEALED FASTENER LOCKSET - Locksets primarily intended for use in interior residential doors and that have a concealed fastener mechanism positioned on one side of the lockset, the mechanism including connecting a first handle connected to a second handle through a spindle with the concealed fastener mechanism comprising a generally cylindrical housing including a torsion spring, a timing plate and a cover plate, the housing including an internally threaded central aperture, the timing plate including at least one tab adapted to cooperate with said torsion spring to return the handle to its at-rest position after rotation, a spindle expansion and stabilizing screw adapted to eliminate any gap between the spindle and the timing plate and a spindle set screw that, when engaged eliminates any gap between the spindle and its handle to thereby eliminate the “wobble” that otherwise could be in the lockset. | 06-12-2014 |
20150015003 | CONCEALED FASTENER LOCKSET - Locksets primarily intended for use in interior residential doors and that have a concealed fastener mechanism positioned on one side of the lockset, the mechanism including connecting a first handle connected to a second handle through a spindle with the concealed fastener mechanism comprising a generally cylindrical housing including a torsion spring, a timing plate and a cover plate, the housing including an internally threaded central aperture, the timing plate including at least one tab adapted to cooperate with said torsion spring to return the handle to its at-rest position after rotation. | 01-15-2015 |
Patent application number | Description | Published |
20140050800 | METHOD OF REDUCING OXIDATIVE STRESS - Methods of ameliorating cellular oxidative stress and reducing serum cholesterol are disclosed. | 02-20-2014 |
20140056991 | METHOD OF MODULATING FATTY ACID MOBILIZATION AND OXIDATION - Methods of mobilizing fatty acids are disclosed. | 02-27-2014 |
20150093451 | METHOD OF INCREASING ENERGY EXPENDITURE - Methods are disclosed of the increasing resting metabolic rate of a subject comprising administering a composition comprising a mixture of reduced species and reactive oxygen species, wherein the mixture of reduced species and reactive oxygen species increases the resting metabolic rate of the subject. The reactive oxygen species can comprises at least one superoxide The process of making the composition comprises the steps of purifying water to produce ultra-pure water, combining sodium chloride to the ultra-pure water to create salinated water, and electrolyzing the salinated water at a temperature of about 4.5° C. to about 5.8° C. The electrolyzing is accomplished with an anode, a cathode and a power source. The power source comprises a transformer and a rectifier and does not comprise a filter capacitor. The method can also include contacting at least one cell of the subject with the composition. | 04-02-2015 |
20150104525 | METHOD OF DECREASING FEED CONVERSION RATIO IN FOWL - Methods of decreasing the feed conversion rate for a subject are disclosed. | 04-16-2015 |
20150196594 | METHODS AND COMPOSITIONS FOR TREATING FUNGAL INFECTED KERATINIZED TISSUE WITH STABLE SUPEROXIDE SOLUTION - Methods and compositions for treating keratinized tissue, which is infected with fungus, with a stable superoxide solution are disclosed. The method of treating a fungal infection of a subject can include contacting the fungal infection or an area infected with a fungus with a composition comprising a mixture of reduced species (RS) and reactive oxygen species (ROS) with the mixture of reduced species (RS) and reactive oxygen species (ROS) reducing or ameliorating a fungal infection in the subject. The mixture of reduced species (RS) and reactive oxygen species (ROS) can include one or more of HOCl, NaClO, O | 07-16-2015 |
Patent application number | Description | Published |
20090018488 | Method of Priming a Surgical System - A method of priming a surgical system that includes pulling a very high vacuum and then cycling fluid through the system as a fluid pulse. These steps can be repeated a number of times to help ensure that residual entrained air is removed from the system. | 01-15-2009 |
20100286651 | Multiple Segmented Peristaltic Pump and Cassette - In various embodiments, a surgical cassette, configured to engage peristaltic pump rollers, may include two or more pump segments between a sheet and a substrate coupled to the sheet. The two or more pump segments on the cassette may produce additional flow (e.g., approximately twice the flow for two segments as opposed to one) than if the cassette had only one pump segment engaging the roller. Further, in some embodiments, the two or more pump segments and rollers on the roller head may be configured to provide a flow profile in which a peak of a pulse from a first pump segment is at least partially out of phase with a peak of a pulse from the second pump segment. The combined resultant flow may then have a flow profile with pulsation amplitudes that are smaller than the individual pump segment pulsation amplitudes. | 11-11-2010 |
20110144567 | Phacoemulsification Hand Piece With Integrated Aspiration Pump and Cartridge - An ophthalmic surgical hand piece comprises a driver coupled to a horn. The horn is coupled to a needle. An aspiration pump is integral with the hand piece and is located close to the needle. The aspiration pump comprises a motor coupled to a shaft. A removable cartridge comprises a length of flexible tubing held by a tubing holder. The length of flexible tubing is located between the shaft and the tubing holder. The removable cartridge comprises a section of an aspiration line. | 06-16-2011 |
20110313343 | Phacoemulsification Fluidics System Having a Single Pump Head - A phacoemulsification fluidics system for irrigating and aspirating a surgical site includes a sterile solution reservoir, an irrigation path configured to extend from the sterile solution reservoir to the surgical site, and an aspiration path configured to extend from the surgical site. The system also includes a single flow control pump head associated with both the irrigation path and the aspiration path. The flow control pump head is arranged within the system to simultaneously pressurize the irrigation path in a manner that drives the irrigation fluid to the surgical site and pressurize the aspiration path in a manner that vacuums waste fluid from the surgical site. | 12-22-2011 |
20120157912 | Systems and Methods For Small Bore Aspiration - An assembly for a phacoemulsification surgical system includes an aspiration system arranged to aspirate fluid from a surgical site. The aspiration system includes an aspiration path within the phacoemulsification hand piece and includes a flexible small bore aspiration tubing in fluid communication with the aspiration path. The small bore aspiration tubing has a nominal inner diameter smaller than about 0.050 inch to reduce levels of occlusion surge within the surgical system. A high-output, peristaltic pump communicates with the small bore aspiration tubing and is operable to create a flow through the small bore aspiration tubing. | 06-21-2012 |
20120157943 | Aspiration Path Resistive Element - According to one exemplary aspect, this disclosure is directed to an aspiration system for a phacoemulsification surgical system. The system includes a pump and a flexible tubing configured to convey aspiration fluid from a hand piece to the pump. The flexible tubing includes a non-compliant, resistive element associated with the hand piece and disposed between the surgical site and the flexible tubing. The resistive element comprises a fluid pathway having substantially consistent nominal inner diameter and being configured to convey the aspiration fluid to the flexible tubing, the resistive element being formed in a compact orientation that provides a nonlinear fluid pathway length that is significantly greater than the axial length of the resistive element. The resistive element is structurally configured to provide occlusion surge resistance due to pressure changes resulting from occlusions in the aspiration path at the hand piece needle. | 06-21-2012 |
20130150782 | Selectively Moveable Valve Elements for Aspiration and Irrigation Circuits - Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve. | 06-13-2013 |
20130289494 | Irrigation Source Identification System - An irrigation source identification system includes an irrigation source, an imaging device, and a processor. The irrigation source includes a container for holding a quantity of irrigation fluid and a port fluidly coupled to the container. The port has an outlet end and a neck. The neck has a plurality of protrusions selected from a grouping of protrusions. The plurality of protrusions provides a unique identifier for the container. An imaging device images the neck and the plurality of protrusions of the irrigation source, and the processor determines which identifier is associated with the image. | 10-31-2013 |
20140100518 | SYSTEMS AND METHODS FOR EXTERNAL PRESSURE SENSING - In various embodiments, a device for delivering pressurized irrigation may include a squeeze plate and a pressure sensor module. The squeeze plate may move relative to the pressure sensor module to apply pressure to a flexible container (e.g., a bag of irrigation fluid) between the squeeze plate and the pressure sensor module. The pressure sensor module may include a pressure sensor to measure a force exerted on the pressure sensor module by the flexible container as pressure is applied to the flexible container from the squeeze plate. In some embodiments, the pressure sensor module may include a bag contact plate and the pressure sensor may measure a force exerted on the bag contact plate by the flexible container located between the bag contact plate and the squeeze plate. In some embodiments, the pressure sensor may sense a pressure associated with the flexible container without an intervening bag contact plate. | 04-10-2014 |
20140323953 | Partial Venting System for Occlusion Surge Mitigation - A surgical system comprises a hand piece, an irrigation conduit in fluid communication with the hand piece to carry fluid toward a surgical site, an aspiration conduit in fluid communication with the hand piece to carry fluid away from the surgical site, a pump interfacing with the aspiration conduit, the pump to create a vacuum pressure in the aspiration conduit to draw fluid through the aspiration conduit, a vacuum relief valve in fluid communication with the aspiration conduit to relieve the vacuum pressure in the aspiration conduit, a pressure sensor to detect a pressure associated with the surgical site, a controller in communication with the vacuum relief valve and the pressure sensor to control the vacuum relief valve to decrease the vacuum pressure in the aspiration conduit when the pressure detected by the pressure sensor is less than a first pressure threshold. | 10-30-2014 |
20140328697 | MULTIPLE SEGMENTED PERISTALTIC PUMP AND CASSETTE - In various embodiments, a surgical cassette, configured to engage peristaltic pump rollers, may include two or more pump segments between a sheet and a substrate coupled to the sheet. The two or more pump segments on the cassette may produce additional flow (e.g., approximately twice the flow for two segments as opposed to one) than if the cassette had only one pump segment engaging the roller. Further, in some embodiments, the two or more pump segments and rollers on the roller head may be configured to provide a flow profile in which a peak of a pulse from a first pump segment is at least partially out of phase with a peak of a pulse from the second pump segment. The combined resultant flow may then have a flow profile with pulsation amplitudes that are smaller than the individual pump segment pulsation amplitudes. | 11-06-2014 |
20140356202 | PUMP ROLLER HEAD WITH PIVOTING ROLLERS AND SPRING ARMS - A roller assembly comprises a central section with a hub; a plurality of flexible arms coupled to the central section; a plurality of spring pins, one spring pin coupled to each of the plurality of flexible arms; a plurality of arms coupled to the central section such that each arm is capable of pivoting independently with respect to the central section; and a plurality of rollers, one roller coupled to each of the plurality of arms. | 12-04-2014 |
20140356206 | PUMP ROLLER ASSEMBLY WITH INDEPENDENTLY SPRUNG ROLLERS - A roller assembly comprises a central section with a hub; a plurality of arms coupled to the central section such that each arm is capable of moving independently with respect to the central section; a plurality of spring pins, one spring pin associated with each arm; a plurality of retaining pins, one retaining pin associated with each arm; and a plurality of rollers, one roller coupled to each arm. | 12-04-2014 |
20150297405 | HYDRAULIC PUMP FOR OPHTHALMIC SURGERY - Apparatuses, systems, and method for hydraulic pumps are disclosed. Particularly, hydraulic pumps for ophthalmic surgical procedures are disclosed. Hydraulic pumps within the scope of the disclosure may include an aspiration pump. An example aspiration pump may include first and second hydraulic cylinders and a plurality of one-way valves that are operable to permit fluid flow into a first part of a hydraulic cylinder responsive to movement of a piston within the hydraulic cylinder in a first direction and operable to permit fluid to flow out of the hydraulic cylinder responsive to movement of the piston in a second direction opposite the first direction. The aspiration pump may be attached to a housing of a hand piece, or a portion of the aspiration pump may be received into the housing of the hand piece. | 10-22-2015 |
20150335484 | PRESSURE CONTROL IN PHACOEMULSIFICATION SYSTEM - A surgical system comprises a pressurized irrigation fluid source; an irrigation line fluidly coupled to the pressurized irrigation fluid source; a hand piece fluidly coupled to the irrigation line; an irrigation pressure sensor located at or along the pressurized irrigation fluid source or irrigation line; and a controller for controlling the pressurized irrigation fluid source. The controller controls the pressurized irrigation fluid source based on a reading from the irrigation pressure sensor and an estimated flow value modified by a compensation factor. | 11-26-2015 |
20160081850 | PRESSURE CONTROL IN PHACOEMULSIFICATION SYSTEM - A surgical system comprises a pressurized irrigation fluid source; an irrigation line fluidly coupled to the pressurized irrigation fluid source; a hand piece fluidly coupled to the irrigation line; an irrigation pressure sensor located at or along the pressurized irrigation fluid source or irrigation line; and a controller for controlling the pressurized irrigation fluid source. The controller controls the pressurized irrigation fluid source based on a reading from the irrigation pressure sensor and an estimated flow value modified by a compensation factor. | 03-24-2016 |
Patent application number | Description | Published |
20100103604 | MULTI-CONFIGURATION PROCESSOR-MEMORY SUBSTRATE DEVICE - A Multi-configuration Processor-Memory device for coupling to a PCB (printed circuit board) interface. The device comprises a substrate that supports multiple configurations of memory components and a processor while having a single, common interface with a PCB interface of a printed circuit board. In a first configuration, the substrate supports a processor and a first number of memory components. In a second configuration, the substrate supports a processor and an additional number of memory components. The memory components can be pre-tested, packaged memory components mounted on the substrate. The processor can be a surface mounted processor die. Additionally, the processor can be mounted in a flip chip configuration, side-opposite the memory components. In the first configuration, a heat spreader can be mounted on the memory components and the processor to dissipate heat. In the second, flip chip, configuration, the processor face can be soldered onto a non-electrically functional area of the PCB interface of the printed circuit board to dissipate heat. | 04-29-2010 |
20100103605 | MULTI-CONFIGURATION PROCESSOR-MEMORY SUBSTRATE DEVICE - A Multi-configuration Processor-Memory device for coupling to a PCB (printed circuit board) interface. The device comprises a substrate that supports multiple configurations of memory components and a processor while having a single, common interface with a PCB interface of a printed circuit board. In a first configuration, the substrate supports a processor and a first number of memory components. In a second configuration, the substrate supports a processor and an additional number of memory components. The memory components can be pre-tested, packaged memory components mounted on the substrate. The processor can be a surface mounted processor die. Additionally, the processor can be mounted in a flip chip configuration, side-opposite the memory components. In the first configuration, a heat spreader can be mounted on the memory components and the processor to dissipate heat. In the second, flip chip, configuration, the processor face can be soldered onto a non-electrically functional area of the PCB interface of the printed circuit board to dissipate heat. | 04-29-2010 |
Patent application number | Description | Published |
20090219397 | METHOD FOR DIGITAL PHOTO MANAGEMENT AND DISTRIBUTION - Digital images are captured on a digital camera, automatically formatted, and uploaded to a server for review and collaborative modifications. An on-line web gallery is automatically generated by the server whereby low resolution versions of the images are transferred to the server and appear in the gallery within seconds from capturing the images. Among other things, a viewer located remotely from a photographer can observe new images in the gallery in real time as they are captured, place a request for post-production modifications to selected images and download a high resolution version of selected images. | 09-03-2009 |
20090249212 | METHOD FOR DIGITAL PHOTO MANAGEMENT AND DISTRIBUTION - Digital images are captured on a digital camera, automatically formatted, and uploaded to a server for review and collaborative modifications. An on-line web gallery is automatically generated by the server whereby low resolution versions of the images are transferred to the server and appear in the gallery within seconds from capturing the images. Among other things, a viewer located remotely from a photographer can observe new images in the gallery in real time as they are captured, place a request for post-production modifications to selected images and download a high resolution version of selected images. | 10-01-2009 |
20090309981 | METHOD FOR DIGITAL PHOTO MANAGEMENT AND DISTRIBUTION - Digital images are captured on a digital camera, automatically formatted, and uploaded to a server for review and collaborative modifications. An on-line web gallery is automatically generated by the server whereby low resolution versions of the images are transferred to the server and appear in the gallery within seconds from capturing the images. Among other things, a viewer located remotely from a photographer can observe new images in the gallery in real time as they are captured, place a request for post-production modifications to selected images and download a high resolution version of selected images. | 12-17-2009 |
20100123796 | METHOD FOR DIGITAL PHOTO MANAGEMENT AND DISTRIBUTION - Digital images are captured on a digital camera, automatically formatted, and uploaded to a server for review and collaborative modifications. An on-line web gallery is automatically generated by the server whereby low resolution versions of the images are transferred to the server and appear in the gallery within seconds from capturing the images. Among other things, a viewer located remotely from a photographer can observe new images in the gallery in real time as they are captured, place a request for post-production modifications to selected images and download a high resolution version of selected images. | 05-20-2010 |
Patent application number | Description | Published |
20080208614 | MANAGEMENT AND PUBLICATION OF IDEAS FOR INVENTIONS ACCUMULATED IN A COMPUTER DATABASE - A method of managing ideas includes the following steps: (a) maintaining a computer database for accumulating ideas for prospectively patentable inventions; (b) systematically establishing contractual obligations by contributors of said ideas to said database to transfer property rights to inventions respectively derived at least in part from said contributed ideas to a proprietor of said database or to a party in concert with said proprietor; and (c) prior to filing any patent applications for inventions respectively derived at least in part from said accumulated ideas, systematically publishing said accumulated ideas. | 08-28-2008 |
20090198584 | MANAGEMENT AND PUBLICATION OF IDEAS FOR INVENTIONS ACCUMULATED IN A COMPUTER DATABASE - Management in a database of inventions, ideas, and rights related to inventions including publication of ideas for inventions accumulated in a computer database. A computerized method includes establishing a contractual obligation by a prospective contributor of an idea contribution for the database to transfer property rights of a prospectively patentable invention. The contributor is enabled to view at least some other idea contributions accumulated in the database. The idea contribution is received for the database from the contributor. Ownership of a contractual benefit is provided to the contributor, wherein the contractual benefit is transferred from the owner of the contractual benefit to a new owner of the contractual benefit. The idea contribution from the database is published. Some of the property rights are transferred to a customer to allow the customer to file a patent application and/or remuneration is distributed to the new owner in exchange for the contractual benefit. | 08-06-2009 |
20100228678 | MANAGEMENT AND PUBLICATION OF IDEAS FOR INVENTIONS ACCUMULATED IN A COMPUTER DATABASE - A method of managing ideas includes the following steps: (a) maintaining a computer database for accumulating ideas for prospectively patentable inventions; (b) systematically establishing contractual obligations by contributors of said ideas to said database to transfer property rights to inventions respectively derived at least in part from said contributed ideas to a proprietor of said database or to a party in concert with said proprietor; and (c) prior to filing any patent applications for inventions respectively derived at least in part from said accumulated ideas, systematically publishing said accumulated ideas. | 09-09-2010 |
20110011087 | SOLAR COLLECTOR AND ENERGY CONVERSION SYSTEMS AND METHODS - A solar collector system includes sheets that are disposed to cover portions of channels within a terrain to thereby form air flow passageways bounded by at least the sheet and the sides and bottom of the respective channels. The sheet enables transmission of solar radiation into the channels to heat portions of the sides and bottoms of the channels so that air in the passageways can be heated by absorbing heat from the heated portions of the sides and bottoms of the channels. A heat accumulation system is coupled to the passageways for accumulating heat from the heated air. A stream of heated air is drawn from the solar collector and/or the heat accumulation system by an upwardly sloping tunnel through a turbine of an electrical energy producing system. The air stream rotates the turbine to cause electrical energy to be generated. | 01-20-2011 |
20110198770 | INJECTION MOLDING A HOLLOW PRODUCT - The dimensions of a portion of an injection molded hollow product formed in a mold cavity between a first cavity surface of a cavity section and a first core surface of a core section are adjusted by adjusting the position of the first cavity surface relative to the position of the first core surface so that the first cavity surface and the first core surface are in a selected relative position when the cavity section is combined with the core section and a protractible and retractable core part is protracted so that a cavity abutment mold part can be connected directly to the protracted core part and the cavity abutment mold part also can be connected indirectly to the protracted core part by a series consisting of abutting mold parts. This series includes a pair of abutting rotatable eccentric rings, which are rotated to adjust the relative positions of the first cavity surface and the first core surface. | 08-18-2011 |
20120119511 | HEATED-AIR CONDUIT FOR ENERGY CONVERSION SYSTEMS AND METHODS - In an energy conversion system, a flexible conduit is disposed on the outside of a high rise of terrain drawing a stream of heated air through the conduit from a low to a higher elevation, a support structure supports the flexible conduit to maintain a substantially uniform cross-sectional area of the conduit orthogonal to its longitudinal axis. A plurality of longitudinal sections are included that individually include a plurality of lateral modular segments disposed orthogonally about the longitudinal axis of the conduit to laterally enclose the interior of the individual section of the conduit. The conduit has an interior surface of a repetitive varying contour that reduces friction between the interior surface and the air that flows through the conduit. | 05-17-2012 |
20130125431 | PRODUCT CONTAINER INCLUDING AN IN-MOLD LABEL - A hollow multi-layered container comprises: an outer layer including a label and an inner layer, which is injection molded. The label has a barrier material that impedes one or more substances that emanate from a product from penetrating through the label, and the label displays information related to the product. The inner layer and the barrier material of the outer layer are substantially coextensive. For a container having a sidewall and an inclined shoulder extending inward from the sidewall, the label includes a primary segment covering the sidewall of the container and a plurality of shoulder pads covering the shoulder in at least approximately contiguous alignment with adjacent said shoulder pads. A method of inserting an in-mold label for an injection molded product into the mold, comprises the steps of: (a) inserting the label partially into a cavity bounded by a cavity mold part so that one end of the label extends from the cavity; and (b) upon closing the mold, pushing the label fully into the cavity by pushing against the label with a mold part that is moved toward the cavity when the mold is closed so that when the label is fully within the cavity, the lateral edges of the label are aligned with each other. | 05-23-2013 |
20130171382 | INJECTION-MOLDED HOLLOW PRODUCT - A hollow injection-molded product has a sidewall that is formed in a mold cavity by injecting molding material. An interior surface of the sidewall includes at least one ridge that is shaped by a flow channel in the mold cavity. The flow channel directs the flow of the injected molding material in the mold cavity. The cross-sectional dimension of the ridge normal to the direction of flow of the molding material that is injected in the flow channel generally decreases in the direction of flow. A label is inserted into the mold cavity prior to injection of the molding material so that the label is on the exterior surface of the sidewall of the hollow product. | 07-04-2013 |
Patent application number | Description | Published |
20090270137 | RADIO FREQUENCY COMMUNICATIONS CIRCUITRY WITH POWER SUPPLY VOLTAGE AND GAIN CONTROL - Portable electronic devices are provided with wireless circuitry. The wireless circuitry may include one or more sets of radio-frequency power amplifiers. The radio-frequency power amplifiers are used to amplify radio-frequency signals that are transmitted by the portable electronic devices. Each power amplifier may have multiple gain mode settings. Gain stages within the power amplifiers may be selectively enabled in accordance with the gain mode settings. When a higher level of gain is required, all of the gain stages may be enabled. When a lower level of gain is required, some of the gain stages may be disabled to conserve power. An adjustable power supply may be used to provide an adjustable power supply voltage to the power amplifiers. The adjustable power supply voltage can be reduced when it is desired to minimize power consumption at a particular gain mode setting. Gain mode and power supply settings may be adjusted simultaneously. | 10-29-2009 |
20100112967 | ELECTRONIC DEVICES WITH CALIBRATED RADIO FREQUENCY COMMUNICATIONS CIRCUITRY - Circuitry for portable electronic devices is provided. The circuitry may include wireless communications circuitry and storage and processing circuitry. The wireless communications circuitry may include an antenna and a radio-frequency power amplifier with an adjustable gain mode. The radio-frequency power amplifier may amplify radio-frequency signals to a given output power. The circuitry may include an adjustable power supply circuit that supplies an adjustable power supply voltage to the power amplifier circuitry. The circuitry may also include a transceiver that produce radio-frequency signals at a specified input power to the power amplifier circuitry. The storage and processing circuitry may be used in storing calibration data. The calibration data may specify adjustments to be made to the input power to the radio-frequency power amplifier, the gain mode setting of the power amplifier, and the power supply voltage for the power amplifier to optimize performance while minimizing power consumption. | 05-06-2010 |
20100144286 | WIRELESS TRANSMITTER CALIBRATION USING DEVICE RECEIVER - Portable electronic devices are provided that contain radio-frequency transceiver circuitry. Power amplifier circuitry may amplify transmitted radio-frequency signals from the radio-frequency transceiver circuitry. The power amplifier circuitry may be powered with a power supply voltage. The power supply voltage may be reduced to conserve power provided that requirements such as adjacent channel leakage ratio requirements are satisfied. Calibration measurements may be made to determine the extent to which power can be conserved by power supply voltage reductions. During calibration, the transceiver circuitry may transmit signals in a transmit subband. Test equipment that is external to the device may frequency shift the transmitted signals into a receive subband. The frequency-shifted signals may be fed back into the device. The transceiver circuitry in the device may make power measurements on the fed back signals. The power measurements may be used to compute adjacent channel leakage ratio values. | 06-10-2010 |
20100197363 | TECHNIQUE FOR REDUCING INTERFERENCE TO RADIO OPERATIONS ON A COMPUTING DEVICE - During a telephony session, a determination is made on a mobile computing device that one or more designated conditions exist by which radio interference generated from the mobile computing device is to be reduced. In response, a power state of a set of one or more components of the mobile computing device is lowered. This reduces radio interference from those components. The set of components are ancillary to the mobile computing device's ability to maintain the telephony session, so that the telephony session is not affected by the reduction of power to the components. | 08-05-2010 |
Patent application number | Description | Published |
20130154897 | Methods and Apparatus for Controlling Tunable Antenna Systems - An electronic device may include an adjustable power supply, at least one antenna, and associated antenna tuning circuitry. The antenna tuning circuitry may be an integral part of the antenna and may include a control circuit and at least one tunable element. The tunable element may include radio-frequency switches, continuously/semi-continuously adjustable components such as tunable resistors, inductors, and capacitors, and other load circuits that provide desired impedance characteristics. The power supply may provide power supply voltage signals to the antenna tuning circuitry via inductive coupling. The power supply voltage signals may be modulated according to a predetermined lookup table during device startup so that the control circuit is configured to generate desired control signals. These control signals adjust the tunable element so that the antenna can support wireless operation in desired frequency bands. | 06-20-2013 |
20130197850 | Methods for Testing Wireless Electronic Devices Using Automatic Self-Test Mode - A device under test (DUT) may be tested using a radio-frequency test station. The DUT may include at least one antenna, wireless communications circuitry associated with the antenna, and other peripheral components such as a camera module, a display module, and audio circuitry. The test station may include a shielded enclosure in which the DUT is placed during testing. The DUT need not be electrically wired to any test equipment. The DUT may be configured to operate in self test mode. The DUT may be configured to obtain baseline noise floor measurements while all the peripheral components are deactivated and may be configured to obtain elevated noise floor measurements while selectively activating desired subsets of the peripheral components. The difference between the elevated and baseline noise floor measurements may be computed to determine whether at least some of the peripheral components negatively impact the antenna performance by an excessive amount. | 08-01-2013 |
20150255869 | Methods and Apparatus for Controlling Tunable Antenna Systems - An electronic device may include an adjustable power supply, at least one antenna, and associated antenna tuning circuitry. The antenna tuning circuitry may be an integral part of the antenna and may include a control circuit and at least one tunable element. The tunable element may include radio-frequency switches, continuously/semi-continuously adjustable components such as tunable resistors, inductors, and capacitors, and other load circuits that provide desired impedance characteristics. The power supply may provide power supply voltage signals to the antenna tuning circuitry via inductive coupling. The power supply voltage signals may be modulated according to a predetermined lookup table during device startup so that the control circuit is configured to generate desired control signals. These control signals adjust the tunable element so that the antenna can support wireless operation in desired frequency bands. | 09-10-2015 |