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Ami Research & Development Llc patents


Recent patent applications related to Ami Research & Development Llc. Ami Research & Development Llc is listed as an Agent/Assignee. Note: Ami Research & Development Llc may have other listings under different names/spellings. We're not affiliated with Ami Research & Development Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Ami Research & Development Llc-related inventors


Vital sign monitoring via touchscreen using bioelectric impedance

Methods and apparatus for detecting body vital signs through the use of a Bioelectric Impedance Spectroscopy (BIS), either by (a) direct contact with the person (such as through one or more of their fingers) or (b) measurement of reflections from a field projected into the person's body. The techniques may... Ami Research & Development Llc

Scanning device

A scanning optical device suitable for use as a camera or solar concentrator.... Ami Research & Development Llc

Low frequency rectenna system for wireless charging

A human safe wireless charging system using a circularly polarized source antenna that can radiate in either a hemispherical pattern or directional cardiod-like patterns at a 40-50, 150, or 200 MHz frequencies to a receiving loop antenna which is coupled to a parasitic receive element.... Ami Research & Development Llc

Techniques for fingerprint detection and user authentication

We present several unique techniques for using touch sensor arrays to detect fingerprints and authenticate a user.... Ami Research & Development Llc

Creation of virtual intersection points on a touchscreen to permit static, non swiping fingerprint user authentication

A method for operating a two-dimensional touch array by providing virtual grid intersections. The techniques may be used to improve the array resolution. It may also be used to detect fingerprint ridge and valley detail even when the finger is not moving, and when the array node spacing is much... Ami Research & Development Llc

Fingerprint based smart phone user verification

A touchscreen, now incorporated in most smartphones, tablets, laptops, and similar devices, presents an effective and transparent method to incorporate continuous active user verification schemes. The touchscreen element grid structure can be used to capture information, such as a set of one-dimensional time-varying signals produced as the user's finger moves... Ami Research & Development Llc

Travelling wave antenna feed structures

Techniques for implementing series-fed antenna arrays with a variable dielectric waveguide. In one implementation, coupling elements with optional controlled phase shifters are placed adjacent each radiating element of the array. To avoid frequency sensitivity of the resulting array, one or more waveguides have a variable propagation constant. The variable waveguide... Ami Research & Development Llc








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