| 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 |
| 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 |
| 5386120 |
Transpacitor |
January 31, 1995 |
| A film having a unique asymmetrical hysteresis, a method of making, and a method of using such a film in and/or as a device. An example describes a distinctive ferroelectric device as an infrared detector that operates at generally ambient conditions. |
| 5272341 |
Transpacitor |
December 21, 1993 |
| A film having a unique asymmetrical hysteresis, a method of making, and a method of using such a film in and/or as a device. An example describes a distinctive ferroelectric device as an infrared detector that operates at generally ambient conditions. |
| 4541729 |
Microwave heating control and calorimetric analysis |
September 17, 1985 |
| In accordance with a preferred embodiment, calorimetric properties of a microwave heatable work load are obtained while the load is being heated by producing electrical signals indicative of the net applied microwave power and the temperature of the material, and using the signals to |
| 4434342 |
Microwave heating control and calorimetric analysis |
February 28, 1984 |
| In accordance with a preferred embodiment microwave heating of a material is controlled by producing an electrical signal indicative of the rate of change of the net applied microwave power with the change of temperature of the material and using the signal in control of the energy input |
