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| Number | Title | Issue Date |
| 7852258 | Method and system for reducing power loss of transmitted radio wave through cover In a power-loss reducing system, a transmitting unit causes a radar to transmit a measurement radio wave, and a power monitoring unit monitors power of the measurement radio wave transmitted from the radar through a cover while changing a positional relationship bet... | 12/14/2010 |
| 7777670 | Millimetre and sub-millimetre wave illumination system An improved millimeter wave illumination system includes at least one primary source of millimeter wave radiation, a reflecting surface and a baffle comprising a plurality of exit apertures arranged such that at least some of the radiation from the source is reflect... | 08/17/2010 |
| 7642950 | Radar device with transmission output control and transmission output control function abnormality determining means Provided is a radar device includes a transmitting unit, a receiving unit for receiving the electromagnetic wave reflected by a target object of the transmission electromagnetic wave, a target object measuring unit for measuring at least a distance between the radar... | 01/05/2010 |
| 7436353 | Transmitting-receiving module of radar system A transmitting-receiving module of a radar system which is an embodiment of the present invention, includes, a transmitting circuit for sending transmitting RF signal, a three terminal circulator having three terminals and with the first terminal of which is connect... | 10/14/2008 |
| 7417579 | Weather radar with significance determination A weather radar system includes processing electronics. The processing electronics sense weather and determine significant weather based upon the altitude of the weather. The altitude of the weather can be compared to a flight path to determine its significance. A d... | 08/26/2008 |
| 7414570 | System and method for adaptive broadcast radar system An adaptive broadcast radar system for tracking targets is disclosed. The radar system includes a transmitter having sub-apertures and a receiver having sub-apertures. The transmitter sub-apertures generate and code a signal waveform. The signal waveform is coded wi... | 08/19/2008 |
| 7397420 | Timing adjustment method for radar, and radar apparatus having automatic timing adjusting function On/off timing of an amplifier and timing of antenna selection are accurately adjusted. When adjusting the on/off timing of the amplifier, modulation of a transmit signal is stopped, and a switch is set so as not to select any one of the antennas, thereby totally ref... | 07/08/2008 |
| 7369082 | Method and apparatus implementing a scan strategy for automatic high power tube recovery A method of reducing power to an electron emitting cathode comprises the steps of sensing a weather condition; calculating a condition number based upon the weather condition; comparing the condition number to a threshold; and reducing the power to the electron emit... | 05/06/2008 |
| 7363812 | Radar level gauge with variable transmission power A pulsed radar level gauge, comprising a transmitter for generating and transmitting a signal in the form of a pulse train, means for receiving pulses reflected in said tank, and to form an analogue tank signal based on these reflections, an analogue to digital conv... | 04/29/2008 |
| 7358890 | Millimetre-wave illumination source An illumination source of predominantly non-directional and incoherent millimeter-wave radiation for illuminating an area for passive millimeter-wave imaging comprises a container with at least a partly reflective internal surface and a plurality of exit apertures a... | 04/15/2008 |
| 7355545 | Through the wall ranging with triangulation using multiple spaced apart radars A plurality of multi-tone CW radars are used to generate a swath of ranges to a moving object or individual behind a wall or building structure in which the overlap of the range swaths from spaced-apart radars determines the location of the moving object or individu... | 04/08/2008 |
| 7345620 | Method and device for the adaptive regulation of power A method and a device for adaptively controlling power in a radar device having a radar transmitter and a radar receiver are provided, in particular for applications in vehicles. The radar signals are emitted, and radar signals reflected off of target objects are re... | 03/18/2008 |
| 7342538 | Asynchronous local position determination system and method In a local positioning system, the land-based transmitters include free running oscillators or oscillators free of clock synchronization with any remote oscillator. A reference receiver receives the ranging signals from different transmitters and generates timing of... | 03/11/2008 |
| RE40128 | Stabilization in a radar level gauge A radar gauge adapted to sense fluid level in a tank and including a radar gauge circuit in which radar transmission and level sampling are controlled by a transmit frequency and a sample frequency respectively. A first frequency separation between first and second ... | 03/04/2008 |
| 7339524 | Analog decorrelation of ranging signals In a local positioning system, a receiver is adapted for receiving signals from a land-based transmitter. The receiver includes an analog decorrelator for decorrelating the transmitted spread spectrum signals. A down converter connected with an antenna may be spaced... | 03/04/2008 |
| 7339526 | Synchronizing ranging signals in an asynchronous ranging or position system In a local positioning system, the land-based transmitters include free running oscillators or oscillators free of clock synchronization with any remote oscillator. A reference receiver receives the ranging signals from different transmitters and generates timing of... | 03/04/2008 |
| 7339525 | Land-based local ranging signal methods and systems To provide sub-meter accuracy in a local positioning system, ranging signals with a high modulation rate of code, such as 30 MHz, or more are transmitted. Code phase measurements may be used to obtain the accuracy without requiring relative motion or real time kinem... | 03/04/2008 |
| 7307581 | Mounting structure of high-frequency semiconductor apparatus and its production method In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said high-frequency transmission line may be coupled electro-magnetically to each othe... | 12/11/2007 |
| 7301453 | Locator system and method A locator system includes two main components, namely, (1) a beacon tag that is readily attached to a person or article, and (2) a transportable finder or receiver/processor for sensing the relative position of the tag and indicating changes in that relative positio... | 11/27/2007 |
| 7295152 | Timing adjustment method for radar, and radar apparatus having automatic timing adjusting function On/off timing of an amplifier and timing of antenna selection are accurately adjusted. When adjusting the on/off timing of the amplifier, modulation of a transmit signal is stopped, and a switch is set so as not to select any one of the antennas, thereby totally ref... | 11/13/2007 |
| 7286078 | Radar system for motor vehicles A radar system for motor vehicles, having an antenna, a first processor which is developed to transform signals supplied by the antenna via a primary signal path into a spectrum, and a second processor for the additional evaluation of the spectrum, wherein at least ... | 10/23/2007 |
| 7286080 | High-frequency transmitting/receiving apparatus, radar system having the same, and vehicle and small boat equipped with the radar system Provided is a millimeter-wave transmitting/receiving apparatus of pulse-modulation type in which pulse-modulated millimeter-wave signals for transmission are prevented from being outputted to a reception system due to inner reflection or other causes. Included are: ... | 10/23/2007 |
| 7283089 | Radar system and car radar system A power supply apparatus controls the gate and drain power supplies at the rise time so that an output voltage of the gate power rises earlier than that of the drain power supply. Another power supply control apparatus controls the gate and drain power supplies at t... | 10/16/2007 |
| 7277044 | System and method for adaptive broadcast radar system A method for transmitting a signal waveform from a transmitter within an adaptive broadcast radar system. In one embodiment, wherein the transmitter comprises at least one sub-aperture, the method includes: generating the signal waveform at the at least one sub-aper... | 10/02/2007 |
| 7271766 | Satellite and local system position determination In a local positioning system, augmentation of the land-based system is provided by receiving signals from a GNSS. The signals from the land-based positioning system have a code phase accuracy better than one wavelength of a carrier of the signals from the GNSS. Dif... | 09/18/2007 |
| 7259713 | Ranging systems A continuous wave ranging system, comprising a modulator 2 for modulating an r.f. carrier wave in accordance with a pseudo random code, a transmitting antenna 5 for radiating the modulated signal towards a target, a receiving antenna 6 and recei... | 08/21/2007 |
| 7248210 | Man-portable counter mortar radar system The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to enable and direct countermeasures against the mortar and its personnel.... | 07/24/2007 |
| 7239266 | Radar altimeter The present invention provides a radar altimeter system with a closed loop modulation for generating more accurate radar altimeter values. The system includes an antenna, a circulator, a receiver, and a transmitter. The circulator receives or sends a radar signal fr... | 07/03/2007 |
| 7236124 | Radar system and method for reducing clutter in a high-clutter environment A radar system transmits an environment-sensing pulse and processing circuitry time-reverses an order of radar return samples and generates a convolution matrix from the radar return samples resulting from a transmission of the environment-sensing pulse. The process... | 06/26/2007 |
| 7215278 | Radar frequency hopping Apparatus and methods for adjusting or “hopping” the center frequency or the pulse repetition frequency of a radar system improve the co-locatability of multiple radars commonly located in a region. In a Time Domain Downconversion (TDDC) or Ultra-Wideband (UWB) ... | 05/08/2007 |
| 7209072 | Method for drift compensation with radar measurements with the aid of reference radar signals A method of radar measurement by transmitting and receiving radar signals with at least two spatially separated radar systems. The method further includes exchanging reference radar signals between the at least two radar systems to determine measurement-relevant par... | 04/24/2007 |
| 7196653 | Imaging apparatus and method An imaging apparatus has transmitter illuminating a selected surface with a radar beam footprint, and processor for profiling/processing the radar returns so as to derive attitude information in real time about a number of predefined axes associated with the radar w... | 03/27/2007 |
| 7196656 | Apparatus for estimating direction of arrival of signal An apparatus for estimating direction of arrival of signal is provided that has excellent performance in terms of angular resolution and the number of signals that can be identified. In an array sensor comprising a plurality of sensor elements, the two outermost sen... | 03/27/2007 |
| 7158075 | Vehicle radar apparatus A radar apparatus for a vehicle radiates laser beams and integrates a plurality of received signals corresponding to the same plurality of successively radiated laser beams. Thus, the sensitivity to detect a beam-reflecting body is improved. Further, a sampling star... | 01/02/2007 |
| 7158073 | Systems and methods for managing transmission power into a shared medium A system for transmitting into a shared medium includes a processor, a transmitter, and a receiver. The processor is coupled to the transmitter for transmitting in a manner, at a time, and at a power level as directed by the processor. The processor determines from ... | 01/02/2007 |
| 7158074 | Radar system and car radar system To provide a radar system for controlling a gate power supply and drain power supply of a MMIC (microwave monolithic IC), protecting the MMIC at the time of start and shut-off, and simultaneously avoiding an occurrence of a failure in the MMIC due to a residual char... | 01/02/2007 |
| 7154431 | Signal synthesizer and method therefor A digital synthesizer includes a digital radio frequency memory (DRFM) for storing phase values and corresponding digital signals. The digital synthesizer includes a digital processing circuit receiving input from the DRFM, the circuit including tapped delay lines a... | 12/26/2006 |
| 7148840 | Radar apparatus, radar apparatus controlling method A radar apparatus comprises: a transmitter unit having a high-frequency oscillating unit whose oscillation frequency is variable, and a pulse amplitude modulating unit for amplitude-modulating a pulse of a transmission high-frequency signal output from the high-freq... | 12/12/2006 |
| 7148841 | Radar device A radar device includes a code generator, a transmission section, a reception section, a delay section, a despreading process section, a correlation value detection section, a target detection section, an estimation section, an acquisition section, and a correction ... | 12/12/2006 |
| 7142153 | Short pulse/stepped frequency radar system A unique hardware architecture that combines short pulse, stepped frequency and centerline processing. The inventive architecture implements a radar system having a transmitter for transmitting short pulses, each pulse being stepped in frequency and a receiver recei... | 11/28/2006 |
