| Patent Number |
Title Of Patent |
Date Issued |
| 7564021 |
Pyroelectric sensor |
July 21, 2009 |
| A pyroelectric sensor for determines a charge output of a ferroelectric scene element of the sensor by measuring the hysteresis loop output of the scene element several times during a particular time frame for the same temperature. An external AC signal is applied to the ferroelectric |
| 7553077 |
Systems and methods for determining a temperature of a ferroelectric sensor |
June 30, 2009 |
| Systems and methods for determining a temperature of a ferroelectric sensor are provided. The ferroelectric sensor has operational characteristics defined by a polarization versus voltage hysteresis loop. In one exemplary embodiment, the method includes applying a symmetrical periodi |
| 7064950 |
Circuit device comprising multiple polarization-graded ferroelectric elements and method of usin |
June 20, 2006 |
| A circuit device that make use of graded ferroelectric structures and techniques by which such structures can be excited by external and internal stimuli to render the device useful for a variety of circuit applications. The device comprises at least two ferroelectric films, each of |
| 6689287 |
Ferroelectric and ferromagnetic material having improved impedance matching |
February 10, 2004 |
| The subject invention includes a composite material comprising a ferroelectric material and a ferromagnetic material having a loss factor (tan .delta.) for the composite material which includes a dielectric loss factor of the ferroelectric material and a magnetic loss factor of the f |
| 5512196 |
Ferroelectric-ferromagnetic composite materials |
April 30, 1996 |
| A material which possesses both capacitive and inductive properties for suppressing electromagnetic interference is provided, wherein the material is a composite of a ferroelectric material and a ferromagnetic material. The ferroelectric-ferromagnetic composite material is formulated and |
| 5497129 |
Filter elements having ferroelectric-ferromagnetic composite materials |
March 5, 1996 |
| A material which possesses both capacitive and inductive properties for suppressing electromagnetic interference is provided, wherein the material is a composite of a ferroelectric material and a ferromagnetic material. The ferroelectric-ferromagnetic composite material is formulated and |
