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John Walter McDonough Jr, Volker Sebastian Leutnant, Sri Venkata Surya Siva Rama Krishna Garimell, Spyridon Matsoukas: Determining speaker direction using a spherical microphone array. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, January 31, 2017: US09560441 (16 worldwide citation)

A system that detects audio including speech using a spherical sensor array estimates a direction of arrival of the speech using a Kalman filter. To improve the estimates of the Kalman filter, the system estimates a noise covariance matrix, representing noise detected by the array. The structure of ...


2
Ming Sun, Björn Hoffmeister, Shiv Naga Prasad Vitaladevuni, Varun Kumar Nagaraja: Model shrinking for embedded keyword spotting. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, March 21, 2017: US09600231 (3 worldwide citation)

A revised support vector machine (SVM) classifier is offered to distinguish between true keywords and false positives based on output from a keyword spotting component of a speech recognition system. The SVM operates on a reduced set of feature dimensions, where the feature dimensions are selected b ...


3
Ming Zheng: Multimode broadband antenna. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, April 4, 2017: US09614282 (2 worldwide citation)

A compact multimode broadband antenna that supports collocated resonances with very little destructive interference occurring between resonant modes. The antenna comprises a monopole element and a folded loop element that partially share structure, and are fed via a unitary RF feed port. The antenna ...


4
Kishore Sundara Rajan: Stylus devices with configurable frequency. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, April 25, 2017: US09632598 (1 worldwide citation)

A stylus device is disclosed that is adapted to change its operating frequency to accommodate for a changing noise environment. In an aspect, the stylus may communicate with a computing device using a first frequency. However, when a different frequency having a better signal to noise ration than th ...


5
Pradeep Natarajan: Leveraging image context for improved glyph classification. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, February 21, 2017: US09576196 (1 worldwide citation)

A system to recognize text or symbols contained in a captured image using machine learning models leverages context information about the image to improve accuracy. Contextual information is determined for the entire image, or spatial regions of the images, and is provided to a machine learning mode ...


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Mete Rodoper: Approaches for positioning computing devices. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, March 28, 2017: US09609484 (1 worldwide citation)

Electronic devices can be provided with access point sparse databases that include a listing of some or all known access points in a geographic region and the respective coordinates of those access points. The device can scan and identify the access points that are within range of the device. The de ...


7
Jason Allen Doucette: Configuring movement-based user interface control. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, March 28, 2017: US09606710

Movement of a user interface (UI) element may be controlled through a magnet based physics model that controls movement of the UI element as if it were under a magnetic force. The magnet based physical model and other parameter settings may be configured through an evolution theory algorithm based o ...


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Kishore Sundara Rajan, Lakshman Rathnam: Configurable active stylus devices. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, April 25, 2017: US09632597

A stylus device is disclosed that is capable of changing its output so that it can communicate and function with a multitude of touch controllers of a computing device. In an aspect, the stylus device receives a message including the configuration information from the computing device. The configura ...


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Ian Andrew Washburne, Scott Robert Parish, Clayton Matthew Magouyrk: Label placement for line features. Amazon Technologies, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, November 1, 2016: US09483496

A computing device can identify, for a placement of a label, a first and second character of the label that have a shortest distance from one another. The placement for the label can define a position at which the label is to be placed in an interactive geographic map and a formatting for that label ...


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Stan Weidner Salvador, Thomas Schaaf: Smart circular audio buffer. AMAZON TECHNOLOGIES, Seyfarth Shaw, Ilan N Barzilay, Tyrus S Cartwright, April 25, 2017: US09633669

An audio buffer is used to capture audio in anticipation of a user command to do so. Sensors and processor activity may be monitored, looking for indicia suggesting that the user command may be forthcoming. Upon detecting such indicia, a circular buffer is activated. Audio correction may be applied ...