Patent application number | Description | Published |
20090060412 | High-Power High-Frequency Photodetector - A photodetector includes an optical distribution device having an optical input that receives an input optical signal and an optical waveguide grating coupler that converts the input optical signal from a longitudinal direction radiation mode to a surface-emitted radiation mode and that distributes the optical signal along a length of the optical waveguide grating coupler and emits the distributed optical signal from the surface. An optical detector includes an optical input that is positioned to receive the distributed optical signal emitted from the optical distribution device along a length the optical waveguide grating coupler. The optical detector generates a traveling wave RF signal. The optical distribution device reduces the optical power density of the input optical signal, thereby avoiding local saturation and damage to the optical detector. | 03-05-2009 |
20090067771 | High Efficient Silicon-on-Lithium Niobate Modulator - A modulator includes an electro-optical substrate and a first and second waveguide formed of a doped semiconductor material positioned on a surface of an electro-optical substrate forming a slot therebetween. A doping level of the semiconductor material being chosen to make the first and second waveguide conductive. A dielectric material is positioned in the slot which increases confinement of both an optical field and an electrical field inside the slot. A refractive index of the semiconductor material and a refractive index of the dielectric material positioned in the slot being chosen to reduce the Vπ·L product of the modulator. | 03-12-2009 |
20090247074 | Bi-Directional Signal Interface - A bi-directional signal interface includes a first waveguide that propagates a first traveling wave. The first waveguide has one end that is coupled to a RF input port that receives a RF transmission signal and another end that is coupled to a RF bi-directional port that receives a RF reception signal and that transmits the RF transmission signal. A second waveguide is positioned proximate to the first waveguide. The second waveguide has one end that is coupled to an output port that passes the received RF reception signal. A non-reciprocal coupler couples fields from the first waveguide to the second waveguide so that the RF reception signal from the bi-directional port couples from the first waveguide to the second waveguide in a substantially non-reciprocal manner and then passes through the output port, and the RF transmission signal from the RF input port passes through the first waveguide to the RF bi-directional port. | 10-01-2009 |
20090263081 | BI-DIRECTIONAL SIGNAL INTERFACE WITH ENHANCED ISOLATION - A bi-directional signal interface includes a carrier signal source that generates a carrier traveling wave at an output. A first traveling wave structure includes a first and a second waveguide having an input that is coupled to the output of the carrier signal source. The first and second waveguide propagate the carrier traveling wave. A second traveling wave structure includes an outgoing signal port that receives an outgoing signal and a bi-directional signal port that receives an incoming electrical signal and provides the outgoing signal. The first and second traveling wave structures have an electromagnetic interaction region with a geometry that is chosen for a desired outgoing-to-incoming signal isolation. A detector having an input coupled to the output of the first traveling wave structure generates an electrical signal related to the incoming electrical signal. | 10-22-2009 |
20090274466 | Bi-Directional Signal Interface - A bi-directional signal interface includes a first waveguide that propagates a first traveling wave. The first waveguide has one end that is coupled to a RF input port that receives a RF transmission signal and another end that is coupled to a RF bi-directional port that receives a RF reception signal and that transmits the RF transmission signal. A second waveguide is positioned proximate to the first waveguide. The second waveguide has one end that is coupled to an output port that passes the received RF reception signal. A non-reciprocal coupler couples fields from the first waveguide to the second waveguide so that the RF reception signal from the bi-directional port couples from the first waveguide to the second waveguide in a substantially non-reciprocal manner and then passes through the output port, and the RF transmission signal from the RF input port passes through the first waveguide to the RF bi-directional port. | 11-05-2009 |
20110287720 | Wide-Bandwidth Signal Canceller - A signal canceller includes a dual-drive electro-optic modulator having separate first and second electrical inputs. The first electrical input is coupled to a first portion of a first signal and the second electrical input is coupled to a second signal and to a second portion of the first signal. A laser generates an optical beam that propagates from the optical input to an optical output of the electro-optic modulator. The dual-drive electro-optic modulator modulates the optical beam with the first and second portions of the first signal and with the second signal. The modulation cancels at least some the first signal and generates a modulation signal with reduced first signal modulation component. | 11-24-2011 |
20140203997 | Reflection Controller - A reflection controller for modifying electromagnetic reflections from a surface includes a conducting patch being positioned proximate to an electromagnetically reflecting surface. The floating conducting patch includes an electrical conductor at a floating potential positioned on a dielectric substrate where at least one of a dielectric thickness, dielectric constant, or the dimensions of the electrical conductor are chosen to reduces retro-reflection of incident radiation. | 07-24-2014 |
Patent application number | Description | Published |
20080227410 | BI-DIRECTIONAL SIGNAL INTERFACE AND APPARATUS USING SAME - A signal interface includes a dual-drive device having a first and a second input port that receive an outgoing signal. One of the first and the second input ports also receive an incoming signal. The dual-drive device passes the incoming signal to an output port while isolating the outgoing signal from the incoming signal. | 09-18-2008 |
20120001543 | Room Temperature Silicon-Compatible LED/Laser with Electrically Pumped Field Emission Device - A light source includes a hot electron source comprising a cathode that generates an electron beam and an anode comprising a germanium containing material positioned adjacent to the cathode. The anode is biased so that the electron beam accelerates towards the anode where some electrons are absorbed and then relax to both direct energy bands and indirect energy bands causing stimulation of low energy electrons from the indirect energy band to the direct energy band, thereby creating electroluminescence. | 01-05-2012 |
20140128008 | Same-Aperture Any-Frequency Simultaneous Transmit And Receive Communication System - A same-aperture any-frequency simultaneously transmit and receive (STAR) system includes a signal connector having a first port electrically coupled to an antenna, a second port electrically coupled to a transmit signal path, and a third port electrically coupled to receive signal path. The signal connector passes a transmit signal in the transmit signal path to the antenna and a receive signal in the receive signal path. A signal isolator is positioned in the transmit signal path to remove a residual portion of the receive signal from transmit signal path. An output of the signal isolator provides a portion of the transmit signal with the residual portion of the receive signal removed. A signal differencing device having a first input electrically coupled to the output of the signal isolator and a second input electrically coupled to the third port of the signal connector subtracts a portion of the transmit signal in the receive signal path thereby providing a more accurate receive signal. | 05-08-2014 |
20140141712 | Methods And Apparatus For Active Reflection - An electromagnetic reflector includes an antenna that receives an incoming signal and that transmits an outgoing signal. A three-port device, such as a circulator, has a first port electromagnetically coupled to the antenna. An RF circuit has an input that is electromagnetically coupled to the second port of the three-port device and an output that is electromagnetically coupled to the third port of the three-port device. The RF circuit changes at least one of a gain and a phase of the incoming signal to generate a desired outgoing signal that passes through the three-port device to the antenna. | 05-22-2014 |
20140242935 | Wide-Bandwidth Signal Canceller - A signal canceller includes a dual-drive electro-optic modulator having separate first and second electrical inputs. The first electrical input is coupled to a first portion of a first signal and the second electrical input is coupled to a second signal and to a second portion of the first signal. A laser generates an optical beam that propagates from the optical input to an optical output of the electro-optic modulator. The dual-drive electro-optic modulator modulates the optical beam with the first and second portions of the first signal and with the second signal. The modulation cancels at least some the first signal and generates a modulation signal with reduced first signal modulation component. | 08-28-2014 |
20140349595 | Same-Aperture Any-Frequency Simultaneous Transmit and Receive Communication System - A simultaneous transmit and receive (STAR) system includes a first bidirectional signal port coupled to an antenna, a second port coupled to a transmit signal path, and a third port coupled to receive signal path. A first switch is electrically connected between the first port and the second port, where a transmit signal propagating in the transmit signal path passes through the first switch when closed and then through the first bidirectional signal port to the antenna where the transmit signal is radiated by the antenna. A second switch is connected between the first port and the third port, where a receive signal is received by the antenna and passes through the bidirectional signal port and then through the second switch when closed to the receive signal path. A controller is electrically connected to a control input of each of the first and second switches. | 11-27-2014 |
20150207537 | Same-Aperture Any-Frequency Simultaneous Transit And Receive Communication System - A same-aperture any-frequency simultaneously transmit and receive (STAR) system includes a signal connector having a first port electrically coupled to an antenna, a second port electrically coupled to a transmit signal path, and a third port electrically coupled to receive signal path. The signal connector passes a transmit signal in the transmit signal path to the antenna and a receive signal in the receive signal path. A signal isolator is positioned in the transmit signal path to remove a residual portion of the receive signal from transmit signal path. An output of the signal isolator provides a portion of the transmit signal with the residual portion of the receive signal removed. A signal differencing device having a first input electrically coupled to the output of the signal isolator and a second input electrically coupled to the third port of the signal connector subtracts a portion of the transmit signal in the receive signal path thereby providing a more accurate receive signal. | 07-23-2015 |
Patent application number | Description | Published |
20110052559 | DOSE ESCALATION ENZYME REPLACEMENT THERAPY FOR TREATING ACID SPHINGOMYELINASE DEFICIENCY - The invention relates to dose escalation enzyme replacement therapy using acid sphingomyelinase (ASM) for the treatment of human subjects having acid sphingomyelinase deficiency (ASMD), and, in particular, patients with non-neurological manifestations of Niemann-Pick Disease (NPD), and in certain embodiments, NPD type B. | 03-03-2011 |
20130078230 | DOSE ESCALATION ENZYME REPLACEMENT THERAPY FOR TREATING ACID SPHINOGMYELINASE DEFICIENCY - The invention relates to dose escalation enzyme replacement therapy using acid sphingomyelinase (ASM) for the treatment of human subjects having acid sphingomyelinase deficiency (ASMD), and, in particular, patients with non-neurological manifestations of Niemann-Pick Disease (NPD), and in certain embodiments, NPD type B. | 03-28-2013 |
20130078231 | DOSE ESCALATION ENZYME REPLACEMENT THERAPY FOR TREATING ACID SPHINOGMYELINASE DEFICIENCY - The invention relates to dose escalation enzyme replacement therapy using acid sphingomyelinase (ASM) for the treatment of human subjects having acid sphingomyelinase deficiency (ASMD), and, in particular, patients with non-neurological manifestations of Niemann-Pick Disease (NPD), and in certain embodiments, NPD type B. | 03-28-2013 |
20140335070 | DOSE ESCALATION ENZYME REPLACEMENT THERAPY FOR TREATING ACID SPHINGOMYELINASE DEFICIENCY - The invention relates to dose escalation enzyme replacement therapy using acid sphingomyelinase (ASM) for the treatment of human subjects having acid sphingomyelinase deficiency (ASMD), and, in particular, patients with non-neurological manifestations of Niemann-Pick Disease (NPD), and in certain embodiments, NPD type B. | 11-13-2014 |
Patent application number | Description | Published |
20090063617 | SYSTEMS, METHODS AND COMPUTER PRODUCTS FOR THROTTLING CLIENT ACCESS TO SERVERS - Systems, methods and computer products for throttling client access to servers. Exemplary embodiments include a method to throttle client access to servers, the method including maintaining local state information on active and pending requests, receiving a delay call from a client, calculating a delay, incrementing a pending operation count, p, returning the delay value to the client, decrementing the pending operation count, p, and incrementing an active operation count, a, in response to a start of an operation by a client, decrementing the active operation count in response to a operation finishing, recording a timestamp to record when a last pending operation should start, and resetting the pending operation count to 0, in response to a next delay request being received after the timestamp is recorded. | 03-05-2009 |
Patent application number | Description | Published |
20160048610 | System, Method, Apparatus, and Computer Program Product for Generating a Cabling Plan for a Computing System - A system, method, apparatus, and computer program product for generating a cabling plan for a computing system are disclosed. A method may include accessing an elevation plan defining a respective mount position for each of a set of components of the computing system. The method may also include determining one or more port pairs to be used for interconnecting the plurality of components. The method may further include determining, for each port pair, a cable length to use to connect the port pair. The cable length may be determined based at least in part on mount positions defined by the elevation plan for the two components connected by the port pair. The method may additionally include generating a cabling plan defining the cable length to use to connect each respective port pair. | 02-18-2016 |
20160048611 | System, Method, Apparatus, and Computer Program Product for Generation of an Elevation Plan for a Computing System - A system, method, apparatus, and computer program product for generating an elevation plan for a computing system are disclosed. A method may include accessing a build specification identifying components to be included in the computing system. The method may also include accessing a set of component placement rules defining rules for placing components within a rack. The method may further include generating an elevation plan defining a respective mount position for each of a subset of the components within one or more racks based on the set of component placement rules. | 02-18-2016 |