| Patent Number |
Title Of Patent |
Date Issued |
| 6020587 |
Plant chlorophyll content meter |
February 1, 2000 |
| A plant chlorophyll content meter is described which collects light reflected from a target plant and separates the collected light into two different wavelength bands. These wavelength bands, or channels, are described as having center wavelengths of 700 nm and 840 nm. The light col |
| 6005514 |
Method for attitude determination using GPS carrier phase measurements from nonaligned antennas |
December 21, 1999 |
| A correction to a differential phase measurement used for vehicle attitude determination on nonaligned antenna arrays is determined by calculating a carrier phase angle of carrier signals received by each antenna, and correcting the measurement for the right-hand circular polarization ef |
| 5700955 |
Precision thickness variation mapping via one-transducer ultrasonic high resolution profilometry |
December 23, 1997 |
| An apparatus and method for determination of sample thickness and surface depression utilizing ultrasonic pulses. The sample is held in a predetermined position by a support member having a reference surface. Ultrasonic pulses travel through a medium of known velocity propagation and |
| 5048973 |
Plug-type heat flux gauge |
September 17, 1991 |
| A plug-type heat flux gauge formed in a material specimen and having a thermoplug integrally formed in the material specimen, and a method for making the same. The thermoplug is surrounded by a concentric annulus, through which thermocouple wires are routed. The end of each thermocouple |
| 4843440 |
Microwave field effect transistor |
June 27, 1989 |
| Electrodes of a high power, microwave field effect transistor are substantially matched to external input and output networks. The field effect transistor includes a metal ground plane layer, a dielectric layer on the ground plane layer, a gallium arsenide active region on the dielec |
| 4766286 |
Arc length control for plasma welding |
August 23, 1988 |
| For use with plasma arc welding apparatus, a control system is set forth. The plasma arc welding apparatus includes a plasma arc power supply (12), a contactor (20), and an electrode assembly for moving the electrode (32) relative to a work piece (22). The electrode assembly is raised or |
| 4459126 |
Catalytic combustion process and system with wall heat loss control |
July 10, 1984 |
| A process and system of operation for combusting nitrogen-containing fuels with resulting low NO.sub.x emissions. A fuel-rich mixture of the fuel is combusted in a catalytic bed which is carried by a support structure. Active or passive means are provided for limiting transfer of heat fr |
