Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7969216 | System and method for improved timing synchronization Embodiments of a method and system for both open-loop and closed-loop timing synchronization are provided in which a master clock signal, and a plurality of signals that define greater periods of time, are distributed to a plurality of host devices. A frame-sync sig... | 06/28/2011 |
| 7965212 | DAC circuit using summing junction delay compensation Techniques are disclosed for improving the dynamic performance of digital-to-analog converters (DAC), by compensating for the unique delay characteristics of each bit in the DAC summing junction to equalize the delays. In one example case, a DAC device is provided t... | 06/21/2011 |
| 7953128 | Pump recycling scheme for terahertz generation Structures and techniques are disclosed that enable efficient generation of terahertz (THz) radiation capable of surpassing the fundamental quantum limit, as defined by the Manley-Rowe relations. In one particular embodiment, a difference frequency mixing (DFM) crys... | 05/31/2011 |
| 7950141 | Apparatus for the reworking of a microwave module A specialized tool is provided for the removal of components in a microwave module in which a fixed tool having a channeled tip is positioned adjacent the component to be removed, with a hot stream of gas, forced through the channel to the top of the component which... | 05/31/2011 |
| 7945061 | Scalable architecture for subspace signal tracking A real-time implementation of a subspace tracker is disclosed. Efficient architecture addresses the unique computational elements of the Fast Approximate Subspace Tracking (FAST) algorithm. Each of these computational elements can scale with the rank and size of the... | 05/17/2011 |
| 7936697 | Topology aware MANET for mobile networks Systems and methods provide adaptability in a mobile ad hoc network (MANET), based on an existing protocol, such as adaptive hybrid domain routing (AHDR). The systems and methods are especially suited for fast changing topologies that may change after a reactive rou... | 05/03/2011 |
| 7936301 | Stepped frequency radar A multi-port junction is fed with a frequency-stepped source and has one of its ports connected to an antenna that can serve either as a transmit-and-receive antenna or as a receive antenna only, with the outputs of the multi-port junction being used to estimate a c... | 05/03/2011 |
| 7927979 | Multi-thickness semiconductor with fully depleted devices and photonic integration Techniques are disclosed that facilitate fabrication of semiconductors including structures and devices of varying thickness. One embodiment provides a method for semiconductor device fabrication that includes thinning a region of a semiconductor wafer upon which th... | 04/19/2011 |
| 7927402 | Passive desiccant system In a method for removing moisture from an optical system at high altitude, the improvement comprises using the difference in flow resistance between the desiccant path and the optical cavity path to enable airflow through the desiccant unit and not through the optic... | 04/19/2011 |
| 7926961 | Low background flux telescope with integrated baffle A telescope design is disclosed that has at least some of its interior facing surfaces configured with corner reflectors, so that a detector operatively coupled to the telescope views itself, instead of those surfaces. The corner reflectors may be on, for example, i... | 04/19/2011 |
| 7925159 | Non-directional laser-based self-protection A missile or other weapons countermeasure system includes a non-directional, modulated laser energy signal designed to protect an object (such as an aircraft, land vehicle, building, or vessel). Once a potential threat has been detected, a laser energy source genera... | 04/12/2011 |
| 7924895 | Monolithic diode-pumped laser cavity A monolithic pumped laser cavity design is disclosed. Elements of the laser cavity, such as gain material, Q-switch, reflector, and outcoupler, are contact bonded together with a thermally conductive epoxy. The assembly is then operatively coupled to a heat sink (e.... | 04/12/2011 |
| 7924747 | Enhancement of node connectivity in a wireless communications network with changing topology via adaptive role changing A process and system for enhancing connectivity among nodes of a wireless communications network by adapting to changes in the network topology. Nodes of the network are configured to operate according to either (i) an ad hoc protocol wherein a given node assumes a ... | 04/12/2011 |
| 7924097 | Solid-state ultra-wideband microwave power amplifier employing modular non-uniform distributed amplifier elements A number of identical non-uniformly distributed ultra-wideband power amplifier string building blocks are coupled together to form an ultra-wide bandwidth high-power amplifier. The non-uniform distribution results in an amplifier utilizing modular string building bl... | 04/12/2011 |
| 7916527 | Read reference circuit for a sense amplifier within a chalcogenide memory device A read reference circuit for a sense amplifier within a chalcogenide memory device is disclosed. The read reference circuit provides a reference voltage level to the sense amplifier for distinguishing between a logical “0” state and a logical “1” state withi... | 03/29/2011 |
| 7916278 | Polyspectral rangefinder for close-in target ranging and identification of incoming threats A computationless system is provided for determining the direction of and distance to a target, involving bathing an area surrounding an area to be protected with a polyspectral series of narrow fan beams of different colors from at least two spaced-apart projectors... | 03/29/2011 |
| 7915585 | Microbolometer pixel and fabrication method utilizing ion implantation A microbolometer pixel and a reduced-step process for manufacturing it comprising the step of ion implantation of vanadium oxide whereby VOx is converted to a low resistivity mixed phase vanadium oxide (VOx/V2O3/VO/V) in t... | 03/29/2011 |
| 7911962 | Integrating local congestion and path interference into QoS routing for wireless mobile AD HOC networks A method and apparatus is provided for using a distributed multi-path QoS-aware routing scheme that considers basic MANET characteristics to meet transport service requirements of real-time applications and makes use of multiple discovered paths to calculate a next-... | 03/22/2011 |
| 7911343 | Methods for coupling an RFID chip to an antenna A method for mounting multiple small RFID chips onto larger antenna. The chips are mechanically aligned with an interdigitated gap at the feed point of the antenna by electrostatic or magnetic techniques. In an alternate embodiment RF field coupling between the chip... | 03/22/2011 |
| 7911293 | Thermometer coded attenuator Techniques are disclosed that allow for programmable attenuation using thermometer code steps. By thermometer coding the attenuator structure, monotonicity is guaranteed or otherwise greatly improved, which eliminates instability problems with automatic gain control... | 03/22/2011 |
| 7902695 | Bipolar pulse generators with voltage multiplication and pulse separation A bipolar pulse generator includes a pair of two-conductor transmission lines coupled together with a load positioned between the two transmission lines. Two segments of one transmission line are charged and switchably coupled to two segments of the other transmissi... | 03/08/2011 |
| 7899644 | Threat launch detection system and method A threat launch detection system includes at least one temporal threat detector, each temporal threat detector including a single sensing element operable to sense radiation from various types of short-burn threats that occur within a field of view of the detector. ... | 03/01/2011 |
| 7894307 | Acoustic projector having minimized mechanical stresses An acoustic projector which includes an outer shell formed of a reinforced epoxy resin having a longitudinal slot has an inner reinforcing liner formed of metal to reduce mechanical stress. The liner extends throughout the length of the outer shell and has a longitu... | 02/22/2011 |
| 7894144 | High accuracy optical pointing apparatus In the subject three-axis pointing system, the elevation and tip mirror axes are permanently mounted with their rotation axes orthogonal to each other to eliminate gimbal lock over the hemisphere, to avoid high accelerations as the zenith or nadir pointing direction... | 02/22/2011 |
| 7894128 | Real-time terahertz imaging system for the detection of concealed objects A terahertz imaging system and method of use including a compact Yb-doped fiber laser-pumped ZGP crystal as a THz source and an uncooled microbolometer array as a detector. According to the present invention, semiconductor lasers are also drive current modulated to ... | 02/22/2011 |
| 7891297 | Adaptable smart warhead and method for use A method for detonating a munition comprising the steps of providing a plurality of micro-detonators and microprocessors in said munition and initiating said micro-detonators in a predetermined sequence by means of said microprocessor. Depending on the specific pred... | 02/22/2011 |
| 7885291 | Mobile temporary incident area network for local communications interoperability An ad hoc emergency interoperability communication network is established by providing universal temporary incident area network modules that communicate with each other on an open network, with the network being established when vehicles containing the temporary in... | 02/08/2011 |
| 7848601 | Integrated optical latch Techniques are disclosed for optical switching and data control, without the interaction of electronic switching speeds. In one example embodiment, a common cavity optical latch is provided that that can hold an optical state for an extended period of time, and the ... | 12/07/2010 |
| 7847653 | Wide bandwidth microwave balun A wide bandwidth microwave balun utilizes frequency band splitting and two conventional baluns operating in a high frequency band and a low frequency band, which when combined offer a full bandwidth output, thus to offer wide bandwidth impedance matching and second-... | 12/07/2010 |
| 7847353 | Multi-thickness semiconductor with fully depleted devices and photonic integration Techniques are disclosed that facilitate fabrication of semiconductors including structures and devices of varying thickness. One embodiment provides a method for semiconductor device fabrication that includes thinning a region of a semiconductor wafer upon which th... | 12/07/2010 |
| 7876602 | Single-event upset immune static random access memory cell circuit, system, and method A circuit and method are provided in which a six-transistor (6-T) SRAM memory cell is hardened to single-event upsets by adding isolation-field effect transistors (“iso-fets”) connected between the reference voltage Vdd and the field-effect transistors (“fets... | 01/25/2011 |
| 7853101 | Bi-rate adaptive optical transfer engine One embodiment of the present invention provides a system for the transmission of data between an optical bus and an electronic component at a speed independent from a clock speed of the electrical component; the system comprising an optical data storage component c... | 12/14/2010 |
| 7852763 | System and method for determining a transmission order for packets at a node in a wireless communication network A wireless communications network comprising a plurality of nodes and effective to provide quality of service requirements for packets being transmitted. An ingress node calculates variables based on quality of service requirements and places those variables in a he... | 12/14/2010 |
| 7852391 | Substitution of defective readout circuits in imagers An imaging system configured with readout circuit redundancy is disclosed. Pixel data from a particular column can be steered around a defective readout circuit to an operational readout circuit. Thus, larger imaging arrays which are generally more prone to common c... | 12/14/2010 |
| 7852280 | Broadband structurally-embedded conformal antenna An antenna comprising a crossed pair of center-fed end-loaded bent-dipole radiators which are structurally embedded into a properly loaded cavity. Broadband, dual independent polarized, and hemisphere field-of-view coverage with low RCS characteristics is provided w... | 12/14/2010 |
| 7852279 | Polarization-independent angle of arrival determination system using a miniature conformal antenna A miniature conformal antenna is provided with a polarization-independent output by using quadrature elements at the mouth of a cavity and by processing the RHCP and LHCP outputs of the elements to arrive at a polarization-dependent solution; and then correcting the... | 12/14/2010 |
| 7852276 | Orientation-independent antenna (ORIAN) An orientation-independent antenna presents a circular polarization characteristic to incoming waves such that these waves are detected regardless or polarization and angle of arrival. The antenna includes crossed vertical loops and a horizontal loop, with the loops... | 12/14/2010 |
| 7852256 | Through the-wall motion detector with improved antenna A flat panel antenna used at a wall in a through-the-wall CW radar application is spaced from the wall by a half wavelength to eliminate the effects of energy reflected by the wall back to the antenna. In one embodiment, a ½-wavelength dielectric absorbing m... | 12/14/2010 |
| 7839321 | Radar cable detection system Ground clutter is effectively separated from true signals echoed by a cable in the flight path of an aircraft, by encoding a transmitted pulse wave in a radar system with at least one transmit (TX) coding sequence, so that received signals echoed by the cable on whi... | 11/23/2010 |
| 7839232 | Broadband transmission line transformer A broadband transmission line impedance transformer performs impedance transformation with improved frequency response and efficiency across a wide operational bandwidth. In particular, the bandwidth of a transmission line 2:1 impedance transformer may be significan... | 11/23/2010 |
