Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Application No. | Application Title | Issue Date |
| 20120068882 | Antennas An active antenna array is arranged to activate subsets of switchable elements causing the antenna to form a first beam having a first beam pattern, and later to form a second beam having a second beam pattern of substantially identical far field radiation pattern to th... | 03/22/2012 |
| 20120032850 | ARRAY SIGNAL PROCESSING DEVICE Provided is an array signal processing device capable of, when a spatial averaging method is applied to array signal processing, reducing the number of antennas constituting an array antenna while making use of the spatial averaging method. In the array signal processin... | 02/09/2012 |
| 20110309982 | RECEIVING STATION AND METHODS FOR DETERMINING AN ANGLE-OF-ARRIVAL OF SHORT-DURATION SIGNALS USING SURFACE-ACOUSTIC-WAVE (SAW) DEVICES Embodiments of a system and method for determining an angle-of-arrival (AOA) of signals received from a transmitting device are shown. Signals from the transmitting device are received through two or more pairs of spatially-diverse antennas. A non-inverted version of th... | 12/22/2011 |
| 20110273334 | ULTRA-SECURE COMMUNICATION METHODS AND APPARATUS A secure communication topology can be used for communications between a locator and one or more transponders to determine the location of the transponders. An example system may include a locator that is configured to transmit an interrogation signal that is encoded fo... | 11/10/2011 |
| 20110267233 | Technique for Determination of the Signal Subspace Dimension A technique for determination of the signal subspace dimension by using the ratios between the squared singular values of the processed data matrix and of its sum with an auxiliary matrix composed of random entries from a normal distribution. The disclosed noise additio... | 11/03/2011 |
| 20110205108 | Method for Position Estimation Using Generalized Error Distributions A method for improving the results of radio location systems that incorporate weighted least squares optimization generalizes the weighted least squares method by using maximum a posteriori (MAP) probability metrics to incorporate characteristics of the specific positio... | 08/25/2011 |
| 20110148708 | METHOD FOR ACCURACY IMPROVEMENT OF TIME MEASUREMENT AND POSITION TRACKING APPARATUS USING THE SAME Disclosed is a method for improving accuracy of time measurement and a position tracking apparatus using the same. A method for improving accuracy of time measurement includes receiving a radio communication signal and obtaining timing information in a received signal; ... | 06/23/2011 |
| 20110090120 | RADIO COMMUNICATION DEVICE AND ARRIVAL DIRECTION ESTIMATION METHOD A receiver having an array antenna estimates arrival directions of multiple paths that arrive with an angular spread. Consequently, arrival direction estimation accuracy can be ensured without increasing throughput even if the power every path is low by estimating an av... | 04/21/2011 |
| 20110074631 | Method of Correlating Known Image Data of Moving Transmitters with Measured Radio Signals Systems and methods of correlating potential transmitters with received radio signals is provided. Image data is provided including paths traveled by potential transmitter. Potential transmitters are identified within the image data along with path segments traveled by ... | 03/31/2011 |
| 20110050500 | METHOD OF ESTIMATING DIRECTION OF ARRIVAL AND APPARATUS THEREOF A method includes generating a correlation vector of baseband-signal vectors based upon signals received from a plurality of sensor devices, generating a generalized Hankel matrix R representing a covariance matrix to which a spatial averaging is applied based upon the ... | 03/03/2011 |
| 20110025561 | Position Determination Using ATSC-M/H Signals Apparatus to determine the position of a user terminal, the apparatus having corresponding methods and computer-readable media, comprise: a receiver to receive at the user terminal an American Television Standards Committee Mobile/Handheld (ATSC-M/H) broadcast signal fr... | 02/03/2011 |
| 20100309051 | METHOD AND SYSTEM FOR DETERMINING THE POSITION OF A MOBILE DEVICE Some embodiments use scanning devices to characterize radio signals received at a number of locations within a geographical area of interest. The signal characteristics along with the location information associated with the characteristics are stored in a centralized r... | 12/09/2010 |
| 20100271263 | Method and System for Determining the Position of a Mobile Station A method of determining the location of a mobile device is provided. The method receives a signal with a known radio transmission pattern at the mobile device from each of several transmitting devices. The method correlates each received signal with a corresponding sign... | 10/28/2010 |
| 20100214172 | METHOD AND CIRCUIT FOR DETERMINING A DOPPLER SHIFT OF A SIGNAL A method for determining a Doppler shift of a first signal is provided. First, a plurality of Doppler frequency hypotheses is combined to obtain a joint Doppler signal. The first signal is the correlated according to the joint Doppler signal and a plurality of code sign... | 08/26/2010 |
| 20100182200 | MAGNITUDE-SQUARED COHERENCE FILTERING IN A TIME DIFFERENCE OF ARRIVAL (TDOA) OR GROUP DELAY INTERFEROMETRIC GEOLOCATION SYSTEM In a geolocation system for determining a geolocation of a target emitter, a method for determining the geolocation. The method comprising: (a) receiving a signal transmitted from the target emitter at each one of a plurality of sensors, a frequency spectrum associated ... | 07/22/2010 |
| 20100171662 | ADAPTIVE ARRAY CONTROL DEVICE, METHOD AND PROGRAM, AND ADAPTIVE ARRAY PROCESSING DEVICE, METHOD AND PROGRAM USING THE SAME [Object] To provide an adaptive array control device, method, and program adapted to be able to output an enhanced target signal by precisely carrying out a coefficient update control of a plurality of signals input from a group of sensors arranged in an array, the coef... | 07/08/2010 |
| 20100097269 | CONCEPT FOR LOCALIZING A POSITION ON A PATH An apparatus for localizing a position on a path, radio signals of fixedly positioned radio transmitters being receivable along the path, the apparatus including a determiner for determining properties of the radio signals of the fixedly positioned radio transmitters at... | 04/22/2010 |
| 20100066608 | Method and apparatus to minimize antenna backside signal response and ambiguity Method and apparatus for minimizing antenna backside signal response and ambiguity in low frequency applications, particularly low frequency synthetic aperture radar (SAR). Various time delay elements are selectably switched into the signal path so as to cause a null to... | 03/18/2010 |
| 20100039326 | Variable Coherence Integration for the Location of Weak Signals In a network-based Wireless Location System (WLS), geographically distributed Location Measurement Units (LMUs) must be able to detect and use reverse channel (mobile to network) signals across multiple BTS coverage areas. By using Matched Replica correlation processing... | 02/18/2010 |
| 20100033378 | Histogram for Ambiguity Visualization and Evaluation (HAVE) A method is provided for constructing a histogram to represent the root-mean-squared phase differences for a signal received at pairs of elements in an array. A pair-wise element phase difference (“PEP”) between a signal received at an angle of arrival θ1 02/11/2010 | |
| 20100033377 | Sparse Interferometric Array for Radio Frequency Azimuth Direction Finding A sparsely populated array of antenna elements on a plane is provided such that the angle of arrival (AoA) measurement for a radiofrequency signal received by the array has high resolution and is non-ambiguous within a 360-degree azimuthal field of view. The array compr... | 02/11/2010 |
| 20090295637 | Adaptive Array Antenna Apparatus and Adaptive Control Method Therefor An adaptive array antenna apparatus for performing adaptive control based on received signals received by a plurality of antenna elements which form an array antenna. The apparatus includes a computation part for computing an error of the received signals at different t... | 12/03/2009 |
| 20090295636 | Receiving Apparatus, Signal Processing Circuit, and Receiving System An object of the invention is to provide a receiving apparatus in which multipath noise can be reduced. In a diversity receiving apparatus (20), a delay amount of phase shifters (24a, 24b) is changed to reduce a multipath level (Mdc) d... | 12/03/2009 |
| 20090267836 | Radio Frequency Emitter Detection and Location Method and System A system and method for detecting and locating a radio frequency emitter. A number, N, of receiving units using the same bandwidth, center frequency, and measurement time duration receive signals from the emitter. Higher Order Statistics (HOS) are used to calculate a co... | 10/29/2009 |
| 20090243932 | Methods and Systems for Determining the Location of an Electronic Device Embodiments of the present invention include a method of determining a location of a mobile device. The method comprises transmitting a signal between a plurality of known locations and receiving signal at device of unknown location such as a mobile device. The signal m... | 10/01/2009 |
| 20090224977 | Method of Tracking the Real Time Location of Shoppers, Associates, Managers and Vendors through a Communication Multi-Network within a Store The invention relates to one or more methods for locating a shopper's, associate's, manager's or vendor's presumed position in a store using a communication multi-network for communication in the store. Specifically, at least one location device is positioned in proximi... | 09/10/2009 |
| 20090207079 | Radar sensor for receiving radar wave while judging existence of wave attenuator A radar sensor receives a radar wave signal through a radome in each of antennas while judging existence of an attenuating thing in a detecting unit. This unit extracts a maximum level channel from receiving channels assigned to the antennas every modulation period, cal... | 08/20/2009 |
| 20090167606 | BEAM-FORMING ANTENNA WITH AMPLITUDE-CONTROLLED ANTENNA ELEMENTS A beam-forming antenna for transmission and/or reception of an electromagnetic signal having a given wavelength in a surrounding medium includes a transmission line electromagnetically coupled to an array of individually controllable antenna elements, each of which is o... | 07/02/2009 |
| 20090146881 | MULTI-PLATFORM PRECISION PASSIVE LOCATION OF CONTINUOUS WAVE EMITTERS An apparatus comprises a first sensor mounted on a first platform for sampling a first portion of a continuous waveform occurring in a time window and for producing a first signal sample, a second sensor mounted on a second platform for sampling a second portion of the ... | 06/11/2009 |
| 20090121934 | ADAPTIVE ARRAY CONTROL DEVICE, METHOD AND PROGRAM, AND ADAPTIVE ARRAY PROCESSING DEVICE, METHOD AND PROGRAM [Object] To provide an adaptive array controlling method, a device, and a program, and an adaptive array processing method, a device, and a program, which are less influenced by frequency characteristics of input signals and directions of a target signal and interferenc... | 05/14/2009 |
| 20090109093 | Beam-forming method for realizing interference suppression The present invention discloses a beam-forming method for realizing interference suppression, comprising steps of: a. performing channel estimation for an expected user signal and interference signal in signals received by an array antenna and obtaining array channel im... | 04/30/2009 |
| 20090096668 | SIGNAL ACQUISITION/TRACKING METHOD AND CORRELATOR FOR THE SAME A Doppler frequency searching method and correlator are disclosed. In the present invention, before Doppler frequency removal, a received signal is converted into digital form and the spreading code is removed. Then the signal is down-sampled to have a low sampling rate... | 04/16/2009 |
| 20090073040 | ADAPTIVE ARRAY CONTROL DEVICE, METHOD AND PROGRAM, AND ADAPTIVE ARRAY PROCESSING DEVICE, METHOD AND PROGRAM [Object] By enabling accurate coefficient update, a high-quality array processing output which is less influenced by frequency characteristics and incoming directions of input signals control can be acquired, irrespective of the frequency characteristics and incoming di... | 03/19/2009 |
| 20090058727 | METHOD FOR PROCESSING ARRAY ANTENNA SIGNAL A method for processing an array antenna signal is disclosed, comprising steps of: a. determining the number of antenna units participating the processing of the array antenna signals and selecting antenna units to participate the array antenna signal processing from al... | 03/05/2009 |
| 20090015472 | METHOD OF TRANSMIT BEAMFORMING FOR MULTICASTING IN A WIRELESS COMMUNICATION SYSTEM The present invention provides a method of determining a plurality of beamforming weights for application to multicast transmission to a plurality of users by a corresponding plurality of antennas associated with a base station. One embodiment of the method includes det... | 01/15/2009 |
| 20090009393 | AIRBORNE TURBULENCE LOCATION SYSTEM AND METHODS A system and methods for calculating a range to a turbulent air region from an antenna platform is disclosed. The methods determine a correlation lag value corresponding to a time shift in receiving propagation of an interference pattern traveling along a path that is s... | 01/08/2009 |
| 20080278374 | Method For Dynamically Selecting Antenna Array Architecture The present invention discloses a method for dynamically selecting antenna array architecture, deciding a basic antenna array, determining a number of required array elements, selecting determined number of array elements from all the array elements in the basic antenna... | 11/13/2008 |
| 20080204320 | Method and apparatus for optimal combining of noisy measurements A method and system for optimally combining noisy measurements of attributes to obtain a composite statistically useful attribute result is disclosed. The method includes measuring a signal to noise ratio for each carrier in a pair, computing a signal to noise ratio pow... | 08/28/2008 |
| 20080191932 | Method and Device for Correlation Detection in Spread Spectrum Transmission Systems by Fast Fourier Transformation The invention relates to a method for determining a correlation between an unknown first data signal and a known second data signal in a spread spectrum transmission system consisting of a plurality of signal sources, each source being associated with a unique code, for... | 08/14/2008 |
| 20080186230 | Method For Detecting Navigation Beacon Signals Using Two Antennas Or Equivalent Thereof A method for detecting a plurality of navigation beacon signals by using either two antennas or a synthetic aperture antenna for receiving a plurality of distinct measurements, and combining the plurality of distinct measurements using a plurality of antenna weight comp... | 08/07/2008 |
