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| Number | Title | Issue Date |
| 8067724 | All-optical integrated photonic clock having a delay line for providing gate signal to a gate waveguide An all-optical integrated photonic clock, systems employing the same, and methods of making and using the same. Illustrative examples are provided based on silicon semiconductor technology that employs rectangular waveguides fabricated on SOI wafers. In some embodim... | 11/29/2011 |
| 7893395 | Optical delay lines This invention relates to optical delay lines, particularly to modifying an optical signal passing through an optical delay line. A method of applying a Doppler shift to an optical signal as it passes through an optical delay line is provided, the method comprising ... | 02/22/2011 |
| 7652245 | Traffic sensing and monitoring apparatus Traffic sensing and monitoring apparatus (100) comprises a length of optical fiber (112), means (102, 103, 104, 106, 107, 109, 119) arranged to introduce a series of pulse pairs into an input end of the length, each of the pulse pairs comprising... | 01/26/2010 |
| 7449673 | Peak power and speckle contrast reduction for a single layer pulse A system and method for reducing peak power of a laser pulse and reducing speckle contrast of a single pulse comprises a plurality of elements oriented to split and delay a pulse or pulses transmitted from a light emitting device. The design provides the ability to ... | 11/11/2008 |
| 7423751 | Systems and methods for use in detecting harmful aerosol particles The invention provides systems and methods for detecting aerosols. The systems and methods can be used to detect harmful aerosols, such as, bio-aerosols. ... | 09/09/2008 |
| 7418213 | Transimpedance amplifier with integrated filtering and reduced parasitic capacitance A transimpedance amplifier (TIA) with integrated filtering. A capacitance is integrated into the TIA and connected to the power supply and to an internal ground of the TIA. Noise on the power supply of the transimpedance amplifier is filtered by the capacitor such t... | 08/26/2008 |
| 7388189 | System and method for connecting electrical devices using fiber optic serial communication A system and method for communicating between serially connected electrical devices of a network is provided. The network includes a series of electrical devices, and fiber optic connectors between electrical devices of the series of electrical devices forming a clo... | 06/17/2008 |
| 7366244 | Method and system for antenna interference cancellation A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ... | 04/29/2008 |
| 7352506 | Method and system for sensing environmental characteristics A system for sensing characteristics of the environment is disclosed. Sensors utilize exponential growth of a signal initiated by interaction of a sensor element with characteristics of the environment. Specific substances in the environment can be detected. The sen... | 04/01/2008 |
| 7342217 | System for the measurement and data acquisition for optical fiber sensors A system for the measurement and surface data acquisition for optical fiber sensors containing Bragg gratings for the sensing of physical parameters originated from a set of oil wells, the system including: an optical system for signal processing, the signals being ... | 03/11/2008 |
| 7333516 | Interface for synchronous data transfer between domains clocked at different frequencies The present invention provides an interface and method for synchronous data transfer between domains clocked at different frequencies. The interface includes a first latch for receiving data from a first domain clocked at one frequency when the first latch is select... | 02/19/2008 |
| 7327914 | Adaptive optical signal processing with multimode waveguides Optical signals are passed in an optical medium using an approach that facilitates the mitigation of interference. According to an example embodiment, a filtering-type approach is used with an optical signal conveyed in an optical fiber, such as a multimode fiber (M... | 02/05/2008 |
| 7292750 | Signal processing system A signal processing system (10) has a plurality of optical fibers (40, 42, 43) with their one ends (40) mounted in an array board (41) to receive electromagnetic radiation. A coupler (54) interconnects the other ends of the optical... | 11/06/2007 |
| 7265837 | Sensitive polarization monitoring and controlling Techniques and devices for monitoring polarization of light using at least two polarization elements where the difference between the outputs of the two polarization elements are used to monitor a change in polarization. ... | 09/04/2007 |
| 7263252 | Optical switch and method of controlling optical switch An optical switch of the present invention includes at least one input optical fiber, output optical fibers, at least one movable mirror for directing a light beam from the input optical fiber selectively to one of the output optical fibers, and at least one shutter... | 08/28/2007 |
| 7199764 | Maintenance platform for a rolling radar array A maintenance platform for use in a rolling radar array system has a base capable of accommodating at least one person. The base is movably coupled to a support frame, along which the base can move along the longitudinal axis of the support frame rails. The height o... | 04/03/2007 |
| 7183989 | Transportable rolling radar platform and system A transportable platform for a rolling radar array system has a base whereupon a track for an array wheel is provided. A segment of the track can be folded for transportation and deployed when the rolling radar array system is to be in an operational mode. The trans... | 02/27/2007 |
| 7176447 | Electro-optic delay line frequency discriminator An electro-optic delay line frequency discriminator has an optical signal source providing first and second optical signals that are directed along first and second paths, respectively. In the first path, the first optical signal is converted to a first correspondin... | 02/13/2007 |
| 7161733 | Remote sensing apparatus and a frequency analysis method of the remote sensing apparatus A remote sensing apparatus includes an optical system device, a frequency converter, and a frequency analyzer. The device transmits laser light generated from a laser light source toward an optical pattern rotary plate to receive its reflection light by an optical r... | 01/09/2007 |
| 7162111 | Optical seat occupation sensor network The invention relates to a sensor arrangement for seat occupation detection, comprising a fiber-optic sensor network consisting of at least two sensors. The sensor network detest for example local damping modifications in a fiber network that are caused by microbend... | 01/09/2007 |
| 7157693 | Optical wavelength interrogator An optical wavelength readout system for application in optical sensing systems is disclosed. The system includes a Master unit including a wavelength swept optical source for launching light into a string of optical sensors, and a detection and processing unit for ... | 01/02/2007 |
| 7155086 | Optical signal processing device using optical gate In the disclosed optical signal processing device, the digital-to-analog conversion of the input optical signals is realized in an optical region, without converting the input optical signals into electric signals for the purpose of signal processing, by splitting i... | 12/26/2006 |
| 7154082 | Frequency division and/or wavelength division multiplexed recursive fiber optic telemetry scheme for an optical sensor array An optical fiber sensor array is disclosed which includes a first sensor fiber and a first reference fiber coupled at one end thereof to one side of a first optical coupling. A first wavelength selective reflector is coupled to the other end of each of the first sen... | 12/26/2006 |
| 7148469 | Optical signal transmission system including a splitter and a mixer An optical transmission system includes an optical source such as a laser having an optical output, this optical output being modulated such that it has periods of operation having a first set of characteristics interspersed with periods of operation having a second... | 12/12/2006 |
| 7142751 | Methods and systems for chromatic dispersion compensation in switched grating WDM devices Methods and system for chromatic dispersion compensation in disperser-combiner optical systems. The chromatic dispersion in disperser-combiner optical systems is substantially compensated by, after separating the input optical radiation into distinct chromatic compo... | 11/28/2006 |
| 7129901 | Electromagnetic gravity drive for rolling axle array system An azimuth drive for a radar array comprises an electromagnetic track mounted to a wheel on which the radar array is mounted; and a magnetized carriage assembly operatively coupled to the electromagnetic track and capable of moving along the track in a tangential di... | 10/31/2006 |
| 7127172 | Optical frequency filter The present invention relates to an optical signal shaping device such as an optical filter having a profile such that transmission of light through the device varies as a function of frequency over a selected bandwidth. The optical signal shaping device of the pres... | 10/24/2006 |
| 7126675 | Pulse shifted array A laser-radar receiver comprising an array of optical fibers, wherein the opposite ends of the optical fibers are connected to at least one electromagnetic radiation detector, each of the optical fibers having differing physical characteristics which result in known... | 10/24/2006 |
| 7123676 | Method and system for antenna interference cancellation A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ... | 10/17/2006 |
| 7110629 | Optical ready substrates An article of manufacture comprising an optical-ready substrate made of a first semiconductor layer, an insulating layer on top of the first semiconductor layer, and a second semiconductor layer on top of the insulating layer, wherein the second semiconductor layer ... | 09/19/2006 |
| 7099587 | Apparatus and method for delaying optical signals for optical buffering and optical storage applications A delayed optical signal is generated from an inputted optical signal by cyclically transmitting the inputted optical signal between at least two ends of an optical medium and outputting the inputted optical signal from one of the ends of the optical medium after at... | 08/29/2006 |
| 7095489 | Pulse shifted array A laser-radar receiver comprising an array of optical fibers, wherein the opposite ends of the optical fibers are connected to at least one electromagnetic radiation detector, each of the optical fibers having differing physical characteristics which result in known... | 08/22/2006 |
| 7087886 | Method and a system for multi-pixel ranging of a scene There is provided a method for non-scanning multi-pixel ranging of a scene, comprising the steps of providing a single detector/receiver associated with a time-delay arrangement, producing a time-arrival distribution of pulse echoes of at least part of a remote scen... | 08/08/2006 |
| 7072534 | Optical ready substrates An article of manufacture comprising an optical ready substrate made of a first semiconductor layer, an insulating layer on top of the first semiconductor layer, and a second semiconductor layer on top of the insulating layer, wherein the second semiconductor layer ... | 07/04/2006 |
| 7069120 | Position sensing system A passive sensing system for determining a physical position of a mechanical device includes an encoding system configured to convert a position signal representative of the physical position of the mechanical device into an encoded signal in a binary format. The se... | 06/27/2006 |
| 7062973 | Pressure gauge A pressure gauge includes a housing and a mechanical sensor placed in the housing for sensing change of the pressure. A characteristic of the sensor varies in correspondence to the change of the pressure. The gauge also includes an optical fiber, at least part of wh... | 06/20/2006 |
| 7054521 | Architecture for large optical fiber array using standard 1×2 couplers Sensor arrays utilizing standard 1×2 couplers reduce the differences in the returned optical power levels by appropriate selection of the coupling ratios. Preferred embodiments are described that comprise 6 distribution fiber lines and 16 return fiber lines. One em... | 05/30/2006 |
| 7050388 | Method and system for crosstalk cancellation Signals propagating in one communication channel can generate crosstalk interference in another communication channel. A crosstalk cancellation device can process the signals causing the crosstalk interference and generate a crosstalk cancellation signal that can co... | 05/23/2006 |
| 7043106 | Optical ready wafers An optical ready substrate made at least in part of a first semiconductor material and having a front side and a backside, the front side having a top surface that is of sufficient quality to permit microelectronic circuitry to be fabricated thereon using semiconduc... | 05/09/2006 |
| 7016569 | Back-side-of-die, through-wafer guided-wave optical clock distribution networks, method of fabrication thereof, and uses thereof Systems and methods for back-of-die, through-wafer guided-wave optical clock distribution systems (networks) are disclosed. A representative back-of-die, through-wafer guided-wave optical clock distribution system includes an integrated circuit device with a first c... | 03/21/2006 |
