Class / Patent application number | Description | Number of patent applications / Date published |
342082000 | Transmitter | 16 |
20110084871 | Cognitive tracking radar - Methods and systems relating to a cognitive tracking radar system. A radar system determines an immediately preceding state of a target being tracked. Based on this immediately preceding state, the system determines parameters and waveforms which may be used to better illuminate the target. These parameters and waveforms are then used when illuminating the target. The state of the target is then measured from the reflected returns of the illuminating waveform. The newly received measurements then form the basis for the new state of the target and the procedure is repeated. | 04-14-2011 |
20130154871 | TILT SENSING SYSTEM FOR AUTOMOTIVE RADAR - The present disclosure describes a method of aligning a forward looking radar module mounted to a vehicle. The forward looking radar module includes a radar, a tilt sensor, attached to the radar module, and a tilt sensor output. The method uses the tilt sensor output to check the radar's alignment with the vehicle's horizontal thrust direction. | 06-20-2013 |
20160061935 | Methods and Systems for Vehicle Radar Coordination and Interference Reduction - A method is provided that includes a vehicle receiving data from an external computing device indicative of at least one other vehicle in an environment of the vehicle. The vehicle may include a sensor configured to detect the environment of the vehicle. The at least one other vehicle may include at least one sensor. The method also includes determining a likelihood of interference between the at least one sensor of the at least one other vehicle the sensor of the vehicle. The method also includes initiating an adjustment of the sensor to reduce the likelihood of interference between the sensor of the vehicle and the at least one sensor of the at least one other vehicle responsive to the determination. | 03-03-2016 |
20160178732 | RADAR DEVICE AND SIGNAL PROCESSING METHOD | 06-23-2016 |
342083000 | Signal phase or frequency other than pulse repetition frequency (PRF) | 11 |
20100225523 | Radar apparatus configured to suppress effectes of grating lobes upon detection of direction of target based on phase difference between received reflected waves - A radar apparatus has a plurality of receiving antennas and an array transmitting antenna controlled to successively vary the direction of a transmitted beam within a range which includes a target detection range of directions. The direction of any target within the target detection range is detected based on a phase difference between incident reflected waves of adjacent receiving antennas. To eliminate false targets resulting from aliasing, each detected target is authenticated based upon closeness of its detected direction to the current transmitted beam direction. The receiving antennas and transmitting antenna are configured to exclude directions of grating lobes of the transmitted beam from the detection range, and thereby suppress effects of received reflected waves that originate from grating lobes. | 09-09-2010 |
20110090109 | Charge pump - A charge pump includes: a control input for applying a control pulse, a pulsed current source for generating a current pulse in accordance with the control pulse, a direct current source for generating a direct current, and a current output that is connected to the pulsed current source and to the direct current source. | 04-21-2011 |
20120019408 | MICROWAVE SYSTEM UTILIZING ELEVATIONAL SCANNING BY FREQUENCY HOPPING - For use in conjunction with a microwave antenna having a radiator array configured to scan in a horizontal direction, a method for scanning in the vertical direction. A first FMCW microwave signal having a first bandwidth is transmitted at a first microwave frequency and the echo, if any, is received by the radiator array. A second FMCW microwave signal having a second bandwidth is also transmitted at a different center frequency and the echo, if any, is received by the radiator array. The different frequencies cause an elevational shift in the received signal. The receipt of the echoes is then processed to identify the location or locations of the object or objects causing the echo and communicating such location or locations to a user. | 01-26-2012 |
20150331090 | FREQUENCY MODULATED CONTINUOUS WAVE RADAR DEVICE, AND OBJECT DETECTION METHOD USING CONTINUOUS WAVE THEREOF - Disclosed herein is a frequency modulated continuous wave (FMCW) radar device, including: a continuous wave (CW) signal generator configured to generate a transmit (Tx) CW signal; a radio frequency (RF) transmitter configured to transmit the generated Tx CW signal as an RF signal through a Tx antenna; an RF receiver configured to receive a CW signal which is reflected and returned from a forward object after the Tx CW signal is transmitted; a target detector configured to extract speed and angle using a frequency difference between the Tx CW signal and the reflected CW signal, and detect an approaching target; and a detection controller configured to control the RF transmitter to transmit the Tx CW signal as a signal having a triangular waveform in a time-frequency graph and to additionally transmit the Tx CW signal as a signal having a crossbar waveform at a predetermined frequency for a predetermined time, and extract speed and angle from the reflected CW signal having a crossbar waveform so as to detect the approaching target, when the sign of the target speed extracted from the reflected CW signal having a triangular waveform is negative (−). | 11-19-2015 |
20160154093 | Radar Unit and Method for Operating a Radar Unit | 06-02-2016 |
342084000 | Function of doppler frequency | 1 |
20220137200 | CONTACTLESS SWITCH DEVICE, CONTACTLESS SWITCH SYSTEM, CONTACTLESS SWITCH PROGRAM, AND CONTACTLESS SWITCH METHOD - A contactless switch device including a reflected signal acquisition unit that acquires a reflected signal of a Doppler radar or a distance measurement radar, an approach and recede detection unit that detects an approach and a recede of a target based on the reflected signal, a target identification unit that identifies the target as a hand waving left and right, up and down, or back and forth, or a thing other than the hand based on a repeated pattern of the approach and the recede of the target, and a switch control unit that executes on-and-off controls on a switch-controlled object based on whether the target is the hand waving left and right, up and down, or back and forth, or the thing other than the hand. | 05-05-2022 |
342085000 | Function of distance | 5 |
20100141504 | OBJECT RANGING - A method for determining at least one of the distance to and the speed of an object is discussed. The method comprises determining an indication of whether the object is approaching or moving away and generating an interrogation signal comprising a sequence consisting of segments at constant frequency and segments of varying frequency, wherein if the determining step indicates the object is approaching then the varying frequency segments have decreasing frequency and if the determining step indicates that the object is moving away then the varying frequency segments have increasing frequency. The interrogation signal is transmitted and a version of the interrogation signal reflected from the object is detected. At least one of the distance to and speed of the object is then determined using a combination of the interrogation signal and the reflected version of the interrogation signal. | 06-10-2010 |
20140152489 | HIGH-FREQUENCY OCEAN SURFACE RADAR USING FREQUENCY MULTIPLEXING AND ORTHOGONAL WAVEFORMS - A method of reusing a frequency by allocating two orthogonal signal waveforms to the same frequency band is as follows. Two high-frequency ocean surface radars can be operated in the same frequency band without mutual interference by allocating a signal having an up-chirped LFM waveform and a signal having a down-chirped LFM waveform, having the same frequency band, to the two radars by employing an orthogonal characteristic between the two signals. Furthermore, a plurality of radars located within a distance within which interference is possible can be operated without mutual interference by combining and allocating two orthogonal signals and a plurality of frequency bands. | 06-05-2014 |
342087000 | With constant beat frequency | 3 |
20110050484 | Radar - A frequency spectrum of a beat signal of a transmission signal and a reception signal is determined. Whether or not the number of peaks exceeding a noise threshold in the frequency spectrum exceeds a predetermined number is determined. According to the determination result, presence or absence of interference on the beat signal is detected. If “interference exists”, the threshold for extraction of target peaks that appear on the frequency spectrum is increased. This allows detection of presence or absence of a spike noise to be superposed on the beat signal to be performed more certainly, thereby enabling processing according to presence or absence of interference. | 03-03-2011 |
20130106646 | RADAR APPARATUS WITH DIFFERENT OPERATION MODES | 05-02-2013 |
20130241763 | RADAR DEVICE - According to an embodiment, there is provided a radar device including a generating unit, an estimating unit, and a determining unit. The generating unit generates a frequency spectrum from a beat signal corresponding to a predetermined period. The estimating unit estimates a peak frequency corresponding to a target on the basis of location information of the target corresponding to a past period. The determining unit determines, with respect to the frequency spectrum corresponding to the latest period, whether the peak frequency is a peak corresponding to the target by comparing power near the peak frequency estimated by the estimating unit with a predetermined threshold. | 09-19-2013 |
342088000 | Transmission timing (e.g., ring around) | 1 |
20160104946 | RADAR APPARATUS - A radar apparatus includes a first antenna and a second antenna. The first antenna includes a plurality of first antenna elements that are arrayed in a first direction on a surface oriented to a forward direction, as antenna elements configuring the first antenna. The second antenna includes a plurality of second antenna elements that are arrayed in a second direction perpendicular to the first direction on the surface oriented to a forward direction, as antenna elements configuring the second antenna. The radar apparatus emits radar waves in a forward direction using either of the first and second antennas, and receives reflected waves of the radar waves using the other of the first and second antennas. | 04-14-2016 |