Electrical & Computer Engineering
-
Phase Subtraction Cell Counting Method
The invention is method of counting cells in tissues while retaining the viability of the tissue, such as an embryo or cluster of stem cells. This is ideal for use when the viability of biological samples must be preserved.
Inventors: Charles DiMarzio, William C. Warger II
Patent Application No.: 11/890/801
-
Optical Quadrature Interferometer Utilizing Polarization to Obtain In-Phase and Quadrature Information
The invention is an optical quadrature interferometer, which uses a different state of polarization in its two arms. The machinery of the invention allows more accurate interferometry without the use of phase-retrieval algorithms. It enables the production of holograms without ghost images.
Inventor: Charles DiMarzio, Anthony Devaney, Scott Lindberg
US Patent Nos.: 5,883,717, 6,020,963
-
Optical Lock-In Detection Technique for Coherent Detection Applications
An optical detection system that makes use of relatively inexpensive components to create an optical scanning instrument capable of recording much larger arrays of pixels than with currently marketed devices.
Inventor: Charles DiMarzio and Scott C. Lindberg
US Patent No.: 5,825,018
-
Method and Apparatus for Performing Magnetic Field Measurements Using Magneto-Optic Kerr Effect Sensors
The sensor systems of the invention employ optical detection methods to replace prior-art electrical methods. These novel sensor systems use polarized light reflected from magnetic films to assist in measurements.
Inventor: Charles DiMarzio, Steven Oliver, Stephen McKnight
US Patent Nos.: 5,493,220 and 5,736,856
-
Self-Balanced Dual Interleaved Active-Clamp Forward for High Input Voltage Application
andSelf-Balanced Input-Series Two-Stage DC-DC Converters and Ripple Match Design
The inventions describe topologies that can be used for DC-DC converters or AC-DC converters. These topologies allow for conversion from higher input voltage to a lower input voltage.
Inventors: Bradley Lehman, Ting Qian, Wei Song
Provisional Patent Application Nos.: 61/154,607 and 61/154,612
-
DC-DC Converters Providing Reduced Deadtime
A DC-DC power converter designed to have reduced or no deadtime.
Inventors: B. Lehman, Wei Song, Yan Zhu
US Patent No.: 6,995,987
-
Integrated Magnetics for a DC-DC Converter with Flexible Output Inductor
An integrated magnetic design for use in DC-DC converters. The design achieves higher power densities than any other DC/DC converter on the market. The converter can easily be built to 1/4 or 1/8 brick format.
Inventors: Brad Lehman, Dayu Qu, Liang Yan
US Patent No.: 7,034,647
-
Integrated Magnetic Isolated Two-Inductor Boost Converter
The invention is a new integrated magnetic isolated two-inductor boost converter that uses only one magnetic component.
Inventors: Brad Lehman, Liang Yan
US Patent No.: 6,952,353
-
Tunable Positive-Negative Permeability Devices
The invention discloses a method to prepare Mu Negative (MNG) metamaterial-based electrically small antennas.
Inventor: Hossein Mosallaei
Patent Application No.: 61/245,289
-
Dielectric and Magnetic Particles-Based Metamaterials
The invention at hand is an RF-optical all-dielectric metamaterial. It provides high efficiency with no metallic loss at any frequency. This invention is applicable for many RF-optical applications.
Inventor: Hossein Mosallaei
Non-Provisional Patent Application with expiration date July 24th, 2028.
-
Wide Aperture, Catheter-Based Cardiac Ablation Antenna
A device used to treat ventricular tachycardia (abnormal heartbeat). Unlike similar instruments, this device uses microwave energy to direct heat to a larger and deeper area of tissue, with greater accuracy and control.
Inventor: Carey Rappaport, Paul Wang, Zeiji Gu
US Patent No.: 6,699,241