Patent application number | Description | Published |
20090009226 | System and method for implementing a swap function for an IQ generator - A system and method for implementing an IQ generator includes a master latch that generates an I signal in response to a clock input signal, and a slave latch that generates a Q signal in response to an inverted clock input signal. A master selector is configured to provide a communication path from the master latch to the slave latch, and a slave selector is configured to provide a feedback path from the slave latch to the master latch. The foregoing I and Q signals are output directly from the respective master and slave latches without any intervening electronic circuitry. | 01-08-2009 |
20090045861 | System and method for effectively implementing an IQ generator - A system and method for effectively implementing an IQ generator includes a master latch that generates an I signal and a slave latch that generates a Q signal. The master latch includes a master data circuit, a master latch circuit, and a master clock circuit. The slave latch includes a slave data circuit, a slave latch circuit, and a slave clock circuit. A cross-coupled current-source technique is used to compensate for certain device mismatches. A current source A generates an operating current A for the master clock circuit, the master data circuit, and the slave data circuit, and a current source B generates an operating current B for the slave clock circuit, the master latch, and the slave latch. In addition, resistors are utilized to provide fixed impedances to compensate for device mismatches between certain components in the master clock circuit and the slave clock circuit. | 02-19-2009 |
20090195276 | System and method for implementing a digital phase-locked loop - An apparatus for implementing a digital phase-locked loop includes a voltage-controlled oscillator that generates a primary clock signal in response to a VCO control voltage. Detection means generates counter control signals, including count up signals and count down signals, to indicate a current relationship between the primary clock signal and a reference signal. An up/down counter then either increments or decrements a counter value in response to corresponding counter control signals. The counter value is then converted by a digital-to-analog converter into the VCO control voltage for adjusting the frequency of the primary clock signal generated by the voltage-controlled oscillator. In alternate embodiments, the foregoing up/down counter may be utilized to adjust the frequency of the voltage-controlled oscillator in proportion to the counter value by utilizing appropriate techniques other than generating a VCO control voltage with a digital-to-analog converter. | 08-06-2009 |
20100019854 | System And Method For Effectively Implementing A Loop Filter Device - A system and method for effectively generating an electronic control signal includes a loop filter that has a first capacitor, a second capacitor, and a damping resistor. The first capacitor typically has a significantly greater capacitance than said second capacitor. A primary charge pump provides a primary charge current to the loop filter, and a damping charge pump provides a damping charge current to the loop filter. The loop filter responsively generates the electronic control signal for regulating the output frequency of a voltage-controlled oscillator. All components of the loop filter are sized to be implemented as part of an integrated circuit device. | 01-28-2010 |
20100123493 | System and method for implementing a digital phase-locked loop - An apparatus for implementing a digital phase-locked loop includes a voltage-controlled oscillator that generates a primary clock signal in response to a VCO control voltage. Detection means generates counter control signals, including count up signals and count down signals, to indicate a current relationship between the primary clock signal and a reference signal. An up/down counter then either increments or decrements a counter value in response to corresponding counter control signals. The counter value is then converted by a digital-to-analog converter into the VCO control voltage for adjusting the frequency of the primary clock signal generated by the voltage-controlled oscillator. In alternate embodiments, the foregoing up/down counter may be utilized to adjust the frequency of the voltage-controlled oscillator in proportion to the counter value by utilizing appropriate techniques other than generating a VCO control voltage with a digital-to-analog converter. | 05-20-2010 |
Patent application number | Description | Published |
20090080058 | Devices and methods for enhancing color shift of interferometric modulators - The color reflected by an interferometric modulator may vary as a function of the angle of view. A range of colors are thus viewable by rotating the interferometric modulator relative to an observer. By placing a textured layer between an observer and an interferometric modulator, a pattern which includes the range of colors may be viewed by the observer, and the range of colors may thus be viewable from a single viewing angle. | 03-26-2009 |
20090279174 | PRINTABLE STATIC INTERFEROMETRIC IMAGES - Methods of fabricating a static interferometric image device and static interferometric image device formed by the same are disclosed. In one embodiment, a method includes providing a substrate. A plurality of liquid layers are formed over the substrate by an inkjet process such that the layers are lateral to one another. The liquid layers contain a solidifiable material or particles. Then, the plurality of liquid layers are solidified to form a plurality of solid layers. In some embodiments, the substrate includes pre-defined cavities, and the liquid layers are formed in the cavities. In other embodiments, the substrate includes a substantially planar, stepped, or continuously transitioning surface, and the liquid layers are formed on the surface. The inkjet process provides optical fillers or spacers for defining interferometric gaps between absorbers and reflectors in the display device, based at least partially on an image that the display device is designed to display. | 11-12-2009 |
20100096006 | MONOLITHIC IMOD COLOR ENHANCED PHOTOVOLTAIC CELL - Devices incorporating an interferometric stack in a photovoltaic device and method of manufacturing a photovoltaic device comprising an interferometric stack. In one example, a photovoltaic device includes a photovoltaic active layer, an absorber layer, and a first optical resonant cavity layer. The optical resonant cavity layer is disposed between the absorber layer and photovoltaic active layer forming an interferometric modulator. The interferometric modulator is configured to reflect a uniform color. In another example, a method of manufacturing a photovoltaic device includes depositing a photovoltaic active layer on an interferometric stack. The interferometric stack can include an absorber layer and a first optical resonant cavity. The photovoltaic active layer is deposited on the optical resonant cavity and the formed photovoltaic device is reflects a uniform color. | 04-22-2010 |
20100096011 | HIGH EFFICIENCY INTERFEROMETRIC COLOR FILTERS FOR PHOTOVOLTAIC MODULES - Devices incorporating an interferometric stack configured to reflect a certain color and transmit longer wavelengths through the interferometric stack. In one example, a color filtering includes two partial reflectors comprising an extinction coefficient that is less than about one at wavelengths greater than about 800 nm. The two partial reflectors define an optical resonant cavity forming an interferometric stack configured to reflect color and transmit some electromagnetic waves. In another example, a photovoltaic device includes two photovoltaic active layers that act as partial reflectors to form an interferometric stack. The photovoltaic device is configured to reflect color and produce power. | 04-22-2010 |
20100177533 | LARGE AREA LIGHT PANEL AND SCREEN - Embodiments of a panel lighting apparatus and methods of its manufacture are described. In one embodiment, the apparatus can include a light source, an at least partially transparent panel comprising a planar front surface and a planar back surface, the panel disposed in conjunction with the light source such that light from the light source is input into at least one edge of the panel and guided therein, and a plurality of light extraction dots disposed on the planar back surface, the plurality of light extraction dots configured to reflect light incident on the planar back surface and extract light from the light source propagating in the panel through the planar front surface. | 07-15-2010 |
20110026095 | DEVICES AND METHODS FOR ENHANCING COLOR SHIFT OF INTERFEROMETRIC MODULATORS - The color reflected by an interferometric modulator may vary as a function of the angle of view. A range of colors are thus viewable by rotating the interferometric modulator relative to an observer. By placing a textured layer between an observer and an interferometric modulator, a pattern which includes the range of colors may be viewed by the observer, and the range of colors may thus be viewable from a single viewing angle. | 02-03-2011 |
20110292512 | PRINTABLE STATIC INTERFEROMETRIC IMAGES - Methods of fabricating a static interferometric image device and static interferometric image device formed by the same are disclosed. In one embodiment, a method includes providing a substrate. A plurality of liquid layers are formed over the substrate by an inkjet process such that the layers are lateral to one another. The liquid layers contain a solidifiable material or particles. Then, the plurality of liquid layers are solidified to form a plurality of solid layers. In some embodiments, the substrate includes pre-defined cavities, and the liquid layers are formed in the cavities. In other embodiments, the substrate includes a substantially planar, stepped, or continuously transitioning surface, and the liquid layers are formed on the surface. The inkjet process provides optical fillers or spacers for defining interferometric gaps between absorbers and reflectors in the display device, based at least partially on an image that the display device is designed to display. | 12-01-2011 |
20120092749 | DEVICES AND METHODS FOR ENHANCING COLOR SHIFT OF INTERFEROMETRIC MODULATORS - The color reflected by an interferometric modulator may vary as a function of the angle of view. A range of colors are thus viewable by rotating the interferometric modulator relative to an observer. By placing a textured layer between an observer and an interferometric modulator, a pattern which includes the range of colors may be viewed by the observer, and the range of colors may thus be viewable from a single viewing angle. | 04-19-2012 |
20120230053 | LARGE AREA LIGHT PANEL AND SCREEN - Embodiments of a panel lighting apparatus and methods of its manufacture are described. In one embodiment, the apparatus can include a light source, an at least partially transparent panel comprising a planar front surface and a planar back surface, the panel disposed in conjunction with the light source such that light from the light source is input into at least one edge of the panel and guided therein, and a plurality of light extraction dots disposed on the planar back surface, the plurality of light extraction dots configured to reflect light incident on the planar back surface and extract light from the light source propagating in the panel through the planar front surface. | 09-13-2012 |
20120230054 | LARGE AREA LIGHT PANEL AND SCREEN - Embodiments of a panel lighting apparatus and methods of its manufacture are described. In one embodiment, the apparatus can include a light source, an at least partially transparent panel comprising a planar front surface and a planar back surface, the panel disposed in conjunction with the light source such that light from the light source is input into at least one edge of the panel and guided therein, and a plurality of light extraction dots disposed on the planar back surface, the plurality of light extraction dots configured to reflect light incident on the planar back surface and extract light from the light source propagating in the panel through the planar front surface. | 09-13-2012 |
20130181896 | INTEGRATED LIGHT EMITTING AND LIGHT DETECTING DEVICE - Methods and systems for providing a light device that can emit light and sense light are disclosed. In one embodiment, a lighting device includes a light guide having a planar first surface, the light guide configured such that at least some ambient light enters the light guide through the first surface and propagates therein, and at least one light detector disposed along an edge of the light guide, the at least one detector optically coupled to the light guide to receive light propagating therein. The light detector can be configured to produce a control signal. In some embodiments, the lighting device also includes at least one light turning feature disposed on the first surface, the at least one light turning feature configured to direct light incident into the light guide through the first surface. | 07-18-2013 |
20140267166 | COMBINED OPTICAL TOUCH AND GESTURE SENSING - This disclosure provides systems, methods and apparatus for combined optical touch and gesture sensing systems. In one aspect, a bezel surrounding a display surface includes multiple output surfaces which can be configured to direct infrared light both across a device surface to detect touch input and into the area overlying the device surface to detect gesture input. In one aspect, a light-guiding layer having light-turning features can be used to redirect light reflected from an overlying object to photodiodes at the periphery of the device surface. In one aspect, the touch and gesture sensing may be performed in an alternating fashion rather than simultaneously, allowing some components of the combined touch and gesture sensing system to be used in the detection of both touch and gesture. | 09-18-2014 |
Patent application number | Description | Published |
20140052153 | MOVABLE SURGICAL MOUNTING PLATFORM CONTROLLED BY MANUAL MOTION OF ROBOTIC ARMS - Robotic and/or surgical devices, systems, and methods include kinematic linkage structures and associated control systems configured to facilitate preparation of the system for use. One or more kinematic linkage sub-systems may include joints that are actively driven, passive, or a mix of both, and may employ a set-up mode in which one or more of the joints are actively driven in response to manual articulation of one or more other joints of the kinematic chain. In an exemplary embodiment, the actively driven joints will move a platform structure that supports multiple manipulators in response to movement of one of the manipulators, facilitating and expediting the arrangement of the overall system by moving those multiple manipulators as a unit into alignment with the workspace. Manual independent positioning of the manipulator can be provided through passive set-up joint systems supporting the manipulators relative to the platform. | 02-20-2014 |
20140052154 | USER INITIATED BREAK-AWAY CLUTCHING OF A SURGICAL MOUNTING PLATFORM - Robotic and/or surgical devices, systems, and methods include kinematic linkage structures and associated control systems configured to facilitate preparation of the system for use. One or more kinematic linkage sub-systems may include joints that are actively driven, passive, or a mix of both. A set-up mode employs an intuitive user interface in which one or more joints are initially held static by a brake or joint drive system. The user may articulate the joint(s) by manually pushing against the linkage with a force, torque, or the like that exceeds a manual articulation threshold. Articulation of the moving joints is facilitated by modifying the signals transmitted to the brake or drive system. The system may sense completion of the reconfiguration from a velocity of the joint(s) falling below a threshold, optionally for a desired dwell time. The system may provide a detent-like manual articulation that is not limited to mechanically pre-defined detent joint configurations. Embodiments of the invention provide, and can be particularly well-suited for manual movement of a platform supporting a plurality of surgical manipulators in a robotic surgical system or the like without having to add additional input devices. | 02-20-2014 |
Patent application number | Description | Published |
20140297130 | SURGICAL PATIENT SIDE CART WITH DRIVE SYSTEM AND METHOD OF MOVING A PATIENT SIDE CART - A patient side cart for a teleoperated surgical system can include at least one manipulator arm portion for holding a surgical instrument, a steering interface, and a drive system. The steering interface may be configured to detect a force applied by a user to the steering interface indicating a desired movement for the teleoperated surgical system. The drive system can include at least one driven wheel, a control module, and a model section. The control module may receive as input a signal from the steering interface corresponding to the force applied by the user to the steering interface. The control module may be configured to output a desired movement signal corresponding to the signal received from the steering interface. The model section can include a model of movement behavior of the patient side cart, the model section outputting a movement command output to drive the driven wheel. | 10-02-2014 |
20140316654 | SURGICAL PATIENT SIDE CART WITH STEERING INTERFACE - A patient side cart for a teleoperated surgical system includes at least one manipulator portion for holding a surgical instrument and a steering interface. The steering interface may include at least one sensor positioned to sense turning, fore, and aft forces exerted by a user to move the cart. The steering interface may further include a coupling mechanism to removably couple the steering interface with the patient side cart. The at least one sensor may be placed in signal communication with a drive control system of the patient side cart when the steering interface is in a coupled state with the patient side cart. | 10-23-2014 |
20140343570 | SURGICAL PATIENT SIDE CART WITH SUSPENSION SYSTEM - A patient side cart for a teleoperated surgical system comprises a base, a manipulator portion extending from the base and configured to hold one or more surgical instruments, four wheels mounted to the base to permit movement of the cart, and a suspension system. The suspension system may be configured to transition the cart between a first state in which the cart behaves as a three-wheeled cart and a second state in which the cart behaves as a four-wheeled cart. | 11-20-2014 |
Patent application number | Description | Published |
20130031449 | System for Linking to Documents with Associated Annotations - An annotation system includes first annotation data for annotating a manifestation of a first instance of a first XML document. The first instance of the first XML document is served by a document system. The first annotation data includes a first XML document identifier for the first XML document. The first annotation data is uniquely identified by a first annotation data identifier. The document system is configured to respond to a request containing the first XML document identifier with a manifestation of a second instance of the first XML document. The annotation system: (A) receives a request containing the first annotation data identifier; (B) issues a request containing the first XML document identifier to the document system; and (C) in response to the request containing the first annotation data identifier, manifests the first annotation data in connection with a manifestation of a second instance of the XML document. | 01-31-2013 |
20130031453 | System for Annotating Documents Served by a Document System without Functional Dependence on the Document System - A first instance of a first XML document is served by a document server component of a document system. An annotation system that is functionally independent of the document system semantically analyzes content and structure of the first instance of the first XML document to identify a first instance of a first target for first annotation content, wherein the first target is not text. The annotation system also generates target locating data for locating a second instance of the first target in a second instance of the first XML document. The annotation system stores the target locating data. | 01-31-2013 |
20130031454 | System for Programmatically Accessing Document Annotations - An annotation system receives a request from a requester to perform an operation on first annotation data for annotating a first instance of a first XML document. The operation is at least one of a create, read, update, and delete operation. The first instance of the first XML document is served by a document server component of a document system. The document system is functionally independent of the annotation system. The request explicitly addresses the first annotation data by means of an application programming interface in the annotation system. The annotation system performs the operation on the first annotation data in response to the request. | 01-31-2013 |
20130031455 | System for Linking to Documents with Associated Annotations - An annotation system includes first annotation data for annotating a manifestation of a first instance of a first XML document. The first instance of the first XML document is served by a document system. The first annotation data includes a first XML document identifier for the first XML document. The first annotation data is uniquely identified by a first annotation data identifier. The document system is configured to respond to a request containing the first XML document identifier with a manifestation of a second instance of the first XML document. The annotation system: (A) receives a request containing the first annotation data identifier; (B) issues a request containing the first XML document identifier to the document system; and (C) in response to the request containing the first annotation data identifier, manifests the first annotation data in connection with a manifestation of a second instance of the XML document. | 01-31-2013 |
20130031457 | System for Creating and Editing Temporal Annotations of Documents - An annotation system receives a first annotation input representing first annotation content for temporally annotating a first instance of a first target in a first instance of a first XML document. The first instance of the first XML document is served by a document server component of a document system. The annotation system is functionally independent of the document system. The annotation system temporally annotates the first instance of the first target with the first annotation content. The annotation subsequently manifests the first annotation content in connection with a manifestation of a second instance of the first target in a manifestation of a second instance of the first XML document served by the document server. | 01-31-2013 |