Quotables
"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7352320 | FM-CW radar An FM-CW radar includes a transmitting section, a mixing section, an A/D conversion section, a storage unit, and a signal processing section. The transmitting section transmits a continuous wave frequency-modulated with a triangular wave. The mixing section mixes th... | 04/01/2008 |
| 7215413 | Chirped synthetic wave laser radar apparatus and methods Chirped synthetic wave laser radar apparatus and methods are disclosed. In one embodiment, a system includes a laser source, a controller operatively coupled to the laser source and adapted to frequency-modulate first and second laser outputs, and an optical assembl... | 05/08/2007 |
| 7158077 | Radar device and method for suppressing interference with a radar device A radar device is described having an arrangement to generate a carrier signal having a carrier frequency fT, an arrangement to generate pulses having a pulse repetition rate fPW, an arrangement to split the carrier signal between a transmissio... | 01/02/2007 |
| 7151478 | Pseudo-orthogonal waveforms radar system, quadratic polyphase waveforms radar, and methods for locating targets In some pseudo-orthogonal waveform embodiments, a radar system transmits pseudo-orthogonal waveforms and performs multiple correlations on a combined single receiver channel signal. In some quadratic polyphase waveform embodiments, a radar system may simultaneously ... | 12/19/2006 |
| 7151481 | Method for detecting targets and determining their distance via an HPRF radar system A method for detecting targets and determining their distance by means of an HPRF radar system including a transmitter for transmitting bursts having a preselectable number Z of transmission pulses and a preselectable pulse repetition frequency PRF and a receiver fo... | 12/19/2006 |
| 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 |
| 7145502 | Distance measurement method and device A distance can be measured with high resolution. A frequency controller (7) controls a voltage control oscillator (2) so as to change a signal source frequency f in a range containing two center frequencies f1 and f2 and transmits it as a... | 12/05/2006 |
| 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 |
| 7138939 | Radar A radar has a transmission section, a reception section that receives a reflected wave of the transmission wave, a transmission switch section, a delay section that delays a predetermined timing, a reception switching section, a difference processing section, and a ... | 11/21/2006 |
| 7136013 | Radio-wave radar system and adaptive cruise control system In a radio wave radar system using a two-frequency CW modulation method, it is possible to detect a distance between a host vehicle and a forward vehicle and to realize a stable ACC following travel, even in a condition in which the relative speed is 0. By combining... | 11/14/2006 |
| 7079071 | Radar apparatus A radar apparatus includes: a modulation signal generating circuit that generates a modulation signal; a carrier wave generating circuit that generates a carrier wave; a modulation circuit that outputs a high frequency signal generated by modulating the carrier wave... | 07/18/2006 |
| 7072029 | Method and apparatus for testing optical fiber cables An optical fiber cable is tested to determine the zero dispersion frequencies of the sections of which it is made by directing light along it, the light comprising two optical frequency components having optical frequencies that differ by a predetermined amount Δω... | 07/04/2006 |
| 7034745 | Radar apparatus equipped with abnormality detection function Disclosed is a radar apparatus equipped with a function for detecting an FM-AM conversion noise peak. When the direction of radiation is swept, any peak whose level remains substantially unchanged is judged to be a peak due to FM-AM conversion noise. Further, when F... | 04/25/2006 |
| 7023377 | Noise modulated remote distance measurement The invention relates to remote distance measurement by means of a transmitted noise modulated probing signal (E), whereby at least one of a distance (Y(t)) and a velocity (V(t)) in relation to a signal transceiver (200) is determined. The probing of signal (... | 04/04/2006 |
| 7023378 | Self-calibrating wideband phase continuous synthesizer and associated methods The synthesizer and method provide a relatively wideband swept frequency signal and include generating a first swept frequency signal with a first generator, and successively switching between different frequency signals with a second generator. Such switching creat... | 04/04/2006 |
| 7012561 | Device and method for registering, detecting, and/or analyzing at least one object In order to refine a device and a method for registering, detecting, and/or analyzing at least one object, a registration range and/or at a detection gate being displaced at a scanning speed over a measuring range, in such a way that a target-unique velocity measure... | 03/14/2006 |
| 7006033 | Pulse radar apparatus An embodiment comprises a unit generating a control pulse signal by delaying a basic signal in generating a transmission pulse, and a unit performing a gate operation on a received signal using the control pulse signal. Another embodiment comprises a unit generating... | 02/28/2006 |
| 7002511 | Millimeter wave pulsed radar system A millimeter wave pulsed radar system includes a radar synthesizer having a voltage controlled oscillator/phase locked loop (VCO/PLL) circuit, direct digital synthesizer (DDS) circuit and quadrature modulator circuit that are operative to generate an intermediate fr... | 02/21/2006 |
| 6989782 | Ultra-wideband radar system using sub-band coded pulses Methods and apparatus are provided for radar systems using multiple pulses that are shorter than the expected range delay extent of the target to be imaged. In one implementation, a method for performing radar includes the steps of: transmitting a plurality of pulse... | 01/24/2006 |
| 6965341 | High resolution SAR processing using stepped-frequency chirp waveform A stepped-frequency chirped waveform improves SAR groundmapping for the following reasons. Range resolution in SAR image is inversely proportional to the transmitted signal bandwidth in nominal SAR systems. Since there is a limit in the transmitted bandwidth that ca... | 11/15/2005 |
| 6933882 | Time domain radio transmission system A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmi... | 08/23/2005 |
| 6894641 | Radar system mounted on vehicle To provide a radar system mounted on a vehicle that reliably detects the reception of the interference wave with high-performance and inexpensively. There is provided a radar system mounted on a vehicle for detecting a target object, including a transmitter for tran... | 05/17/2005 |
| 6864832 | Method and device for determining separation and relative speed of a distant object The distance and relative speed of an object remote from an observation point determined using a signal form which includes two signals having a predetermined spacing relative to each other. The two signals are transmitted for a certain time interval during which th... | 03/08/2005 |
| 6861974 | Clutter normalization by adaptation of transmit waveform A radar, sonar, lidar or like active detection, tracking system calculates the clutter which would occur with various different transmit waveforms, and selects from among those waveforms that one which, given the current clutter, is expected to minimize variation or... | 03/01/2005 |
| 6859165 | Pulse radar device A pulse radar device includes a rectangular signal generating section for generating a rectangular signal that is a reference signal; a transmit timing voltage setting section for setting a voltage value for determining a transmit timing; a transmit pulse generating... | 02/22/2005 |
| 6839019 | Pulse radar device A pulse radar device includes a VCO that oscillates a carrier wave that has been modulated in frequency, a switch that modulates the carrier wave generated by the VCO to a pulse wave, a transmission antenna that transmits the pulse wave that has been modulated by th... | 01/04/2005 |
| 6822605 | Radar device and method for coding a radar device A radar device is described having means (12) for generating a first code, means (18) for modulating a transmission signal in a transmitting branch using the first code, means (32) for delaying the first code, means (20) for modulating a ... | 11/23/2004 |
| 6693582 | Radar device and method for coding a radar device A radar system having an arrangement for producing a code, an arrangement for modulating a transmission signal in a transmit branch, using the code, an arrangement for delaying the code, an arrangement for modulating a signal in a receive branch, using th... | 02/17/2004 |
| 6686871 | Method for HPRF-radar measurement In a method for HPRF-radar measurement of the range and Doppler frequency of at least one target, a transmit signal is generated which consists of two pulse sequences that are interleaved on a pulse to pulse basis, and have the same pulse repetition frequ... | 02/03/2004 |
| 6674393 | FM-CW radar processing device An FM-CW radar processing system pairs up peaks obtained by fast-Fourier transforming a beat signal occurring on an up portion and a down portion of a triangular-shaped FM-CW wave, calculates a distance or relative velocity with respect to a target object... | 01/06/2004 |
| 6664919 | Radar device The present invention relates to a radar device and, particularly, to a radar device mounted on a vehicle to be used for a collision alarm and the like. The invention provides a radar device that has a unit for removing the FMAM noise without lowering the... | 12/16/2003 |
| 6657582 | Radar apparatus capable of measuring a plurality of objects that are in close proximity As to a beat signal of a received wave, for instance, a plurality of FFT-based frequency spectra of every FM rise zone are accumulated in an accumulation unit. A judgment unit judges a valley section from the plurality of frequency spectra accumulated. A ... | 12/02/2003 |
| 6624783 | Digital array stretch processor employing two delays A pulse-type beamforming apparatus, such as a radar array system, is used for receiving, detecting, localizing, and/or imaging desired signals. The apparatus is used to receive wideband chirp signals. The apparatus contains a receive aperture that is part... | 09/23/2003 |
| 6606052 | Method and apparatus for detecting multiple objects with frequency modulated continuous wave radar A method and an apparatus for multiple object detection by automotive FMCW radars provides distance and relative velocity information. A two chirp frequency sweep with small slope difference is utilized and, since the difference is small, the distance inf... | 08/12/2003 |
| 6587074 | System for measuring the distance and the relative velocity between objects System for measuring the distance and the relative speed between objects using electromagnetic waves, having means for emitting electromagnetic waves from a first object and having means for receiving reflected electromagnetic waves from at least one seco... | 07/01/2003 |
| 6563454 | FM-CW radar apparatus In an FM-CW radar apparatus, while a distance and velocity of a target are measured by simultaneously transmitting an FM modulation wave along a frequency-up direction and an FM modulation wave along a frequency-down direction toward this target, physical... | 05/13/2003 |
| 6531976 | Adaptive digital beamforming radar technique for creating high resolution range profile for target in motion in the presence of jamming A wideband adaptive digital beamforming technique for maintaining a high range resolution profile of a target in motion in the presence of jamming utilizes a sequence of adaptively calculated narrowband jamming cancellation weights. The adaptive weights a... | 03/11/2003 |
| 6492938 | Method of associating target data in a multi-slope FMCW radar system An association method for a multi-slope FMCW radar identifies candidate combinations of frequency components as being correctly or incorrectly associated based on calculated range-rate. Range and range-rate are calculated for various pairs of frequency co... | 12/10/2002 |
| 6411251 | Method for measurement of the radar target cross section of an object with both moving and fixed parts The invention relates to a method for measurement of the radar target cross section of an object with both moving and fixed parts, which method comprises a first measurement with high frequency resolution, from which information can be extracted on modula... | 06/25/2002 |
