Sonavation, Inc. Patent applications |
Patent application number | Title | Published |
20140339459 | METHOD FOR MANUFACTURING A PIEZOELECTRIC CERAMIC BODY - The present invention relates to a method of manufacturing a piezoelectric ceramic body and devices therefrom. The method comprises mixing a piezoelectric ceramic powder with a polymer binder and surfactant to form a slip mixture, casting the slip mixture into a mold and setting to the slip mixture in the mold to form a green body, cutting the green body to form a cut green body with an array of micron-sized ceramic elements and separation, and sintering the cut green body to form a sintered ceramic body. The sintered ceramic body can be further process to encasing in a polymer material to form a piezoelectric ceramic-polymer composite. The piezoelectric ceramic-polymer composite can be further processed to form devices such as acoustic transducers and sensors. | 11-20-2014 |
20140219521 | BIOMETRIC SENSING DEVICE FOR THREE DIMENSIONAL IMAGING OF SUBCUTANEOUS STRUCTURES EMBEDDED WITHIN FINGER TISSUE - A system, apparatus and method for obtaining biometric data from characteristics of a fingerprint and obtaining characteristics of subcutaneous structures that are embedded within finger tissue and located in relation to the fingerprint. | 08-07-2014 |
20120279865 | Touch Fingerprint Sensor Using 1-3 Piezo Composites and Acoustic Impediography Principle - Provided herein is a method of making an integrated circuit device using copper metallization on 1-3 PZT composite. The method includes providing an overlay of electroplated immersion of gold (Au) to cover copper metal traces, the overlay preventing oxidation on 1:3 PZT composite with material. Also included is the formation of immersion Au nickel electrodes on the 1-3 PZT composite to achieve pad metallization for external connections. | 11-08-2012 |
20120095348 | Three Dimensional Imaging Intra Cardiac Echocardiography (ICE) Catheter - Provided herein is an ultrasound imaging device including a two dimensional ultrasound imaging array for three dimensional images positioned at least in the vicinity of distal end of a catheter configured to be used for intra organ imaging, wherein the imaging array includes a first number of output ports. The imaging device also includes a high voltage multiplexer configured to (i) reduce the first number of signal lines to a second number of signal lines, wherein the second number is less than the first number and (ii) connect the array to a signal processing system. | 04-19-2012 |
20120092026 | Electrical System, Method, and Apparatus of Fingerprint Sensor Using Acoustic Impediography - Provided is a method of arranging a plurality of sensor elements to form a sensor array. The method includes arranging the plurality of elements to form two or more sub-rows along an axis. Elements in a first of the two or more sub-rows are positioned in a staggered arrangement with the elements in a second of the two or more sub-rows. | 04-19-2012 |
20120016604 | Methods and Systems for Pointing Device Using Acoustic Impediography - Invention includes a novel pointing device which uses acoustic impediography as a means to locate the position of finger and then uses the said location to control the position of a cursor on a computer screen. In addition, while the finger is touching the sensor the touch-pressure level can be estimated via statistical data evaluation, as average brightness decreases with increasing touch-pressure providing a means for gesturing. This new device has the advantage that it can double as a biometric identification device for verifying the identity of the computer's user. | 01-19-2012 |
20110269307 | Method for Making Integrated Circuit Device Using Copper Metallization on 1-3 PZT Composite - Provided herein is a method of making an integrated circuit device using copper metallization on 1-3 PZT composite. The method includes providing an overlay of electroplated immersion of gold (Au) to cover copper metal traces, the overlay preventing oxidation on 1:3 PZT composite with material. Also included is the formation of immersion Au nickel electrodes on the 1-3 PZT composite to achieve pad metallization for external connections. | 11-03-2011 |
20100239751 | Sea of Pillars - Provided is a method for manufacturing multiple devices on a single piezoelectric composite substrate. The piezoelectric composite substrate is significantly larger than a size required for a single device, thus multiple sensors can be simultaneously fabricated from the same piezoelectric composite substrate. | 09-23-2010 |
20100239133 | Piezoelectric Identification Device and Applications Thereof - Provided is a transducer having first and second surfaces including first electrode lines positioned along the first surface in a first direction and configured for grounding and second electrode lines positioned along the second surface in a direction orthogonal to the first direction. The second electrode lines are configured switching between receiving and transmitting in an interlaced manner. | 09-23-2010 |
20100237992 | Multiplexer for a Piezo Ceramic Identification Device - Provided is a Fingerprint sensor using Acoustic Impediography. The sensor includes an Application Specific Integrated Circuit (ASIC or IC) and an array of mechanical resonator used as sensing elements. The array of sensing elements contains multiple sensing elements arranged in rows and columns. | 09-23-2010 |
20090327762 | Methods and Systems for Secure Encryption of Data - Provided is a data acquisition module. The data acquisition module includes a memory and a controller. The controller includes an encryption module configured to encrypt information written to the memory using a key included in the controller. The key is unique to the controller. | 12-31-2009 |
20090279751 | Mechanical resonator optimization using shear wave damping - Provided is a fingerprint sensor including one or more mechanical devices for capturing the fingerprint. The mechanical devices include a matrix of pillars and are configured to be mechanically damped based upon an applied load. A q factor of the pillars is optimized by adjusting a distance between pillars within the matrix in accordance with a quarter shear wavelength at an operating wavelength. | 11-12-2009 |
20090279749 | Methods and Apparatus for Digit Swipe Sensor Data Streaming - Methods and apparatus for processing biometric digit data variously include scanning a digit in a transverse direction relative to an array of sensor elements, detecting the scanned digit and/or a predetermined characteristic of the scanned digit, outputting from individual sensor elements of the array of sensor elements respective continuous streams of biometric data associated with the scanned digit, discrete sampling the respective continuous streams of data, and reconstructing the discrete sampled data. The discrete sampled data may be directly reconstructed, e.g., in accordance with a reconstruction characteristic associated with detecting and/or discrete sampling the scanned digit, to form a biometric characteristic image associated with the digit. Optionally, the respective continuous streams of data may be stored for later discrete sampling, or discrete sampled data may be stored for later reconstruction to form a biometric characteristic image associated with the digit. | 11-12-2009 |
20090279748 | Method and system for multi-mode mechanical resonator - Provided is a fingerprint sensor including one or more mechanical devices for capturing the fingerprint. The resonators are configured to be mechanically damped based upon an applied load. | 11-12-2009 |
20090279747 | Method and System for Acoustic Impediography Biometric Sensing - Provided is a method for analyzing a fingerprint, including storing a captured fingerprint in a memory; and analyzing the stored fingerprint using acoustic sensing principles. | 11-12-2009 |
20090279746 | Method, apparatus and computer program product to determine a resonant frequency in a biometric sensor - Provided is a method for determining a resonant frequency of a biometric sensor. The method includes obtaining first pixel data from a first scan by scanning the biometric sensor with a first frequency. Second pixel data is obtained from a second scan by scanning the biometric sensor with a second frequency that is different from the first frequency. A respective first and second reference value is calculated from the first and the second pixel data. A highest reference value is determined from the first and the second reference values. The first or the second frequency is selected as the resonant frequency based on the highest reference value. | 11-12-2009 |
20090279745 | Method and System for Image Resolution Improvement of Biometric Digit Imprint Sensors Using Staggered Rows - Provided is a method of arranging a plurality of sensor elements to form a sensor array. The method includes arranging the plurality of elements to form two or more sub-rows along an axis. Elements in a first of the two or more sub-rows are positioned in a staggered arrangement with the elements in a second of the two or more sub-rows. | 11-12-2009 |
20090274346 | Fast Navigation Technique - Provided is a method for analyzing image slices. The method includes extracting first and second sub-slices from first and second image slices, respectively, and computing a shift between the first and second image slices based on the first and second sub-slices. The first and second sub-slices overlap. | 11-05-2009 |
20090274343 | Dynamic optimization of a biometric sensor - Provided is a method for dynamic optimization of a biometric sensor. The method includes receiving image data having pixel values. The pixel values are processed to determine a bias. An offset adjustment is determined to mitigate the bias. The biometric sensor is adjusted with the offset adjustment. | 11-05-2009 |
20090274338 | Method and System for Enhanced Image Alignment - Provided is a method for analyzing image slices. The method includes extracting first and second sub-slices from first and second image slices, respectively, and computing a shift between the first and second image slices based on the first and second sub-slices. The first and second sub-slices overlap. | 11-05-2009 |