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| Number | Title | Issue Date |
| 6006419 | Synthetic resin transreflector and method of making same A transreflector is made by forming a series of spaced parallel stripes of a conductive material on one surface of a synthetic resin carrier film. The film is placed against the surface of a mold defining the desired concave internal curve for the transre... | 12/28/1999 |
| 5757241 | Pulse amplification apparatus and method An electromagnetic radiation reflection amplifier capable of amplifying cw or pulsed signals has a pair of cw oscillators operated under injection locking conditions. Diversion of oscillator power to a separate signal path during the off time of the input... | 05/26/1998 |
| 5680139 | Compact microwave and millimeter wave radar Compact microwave and millimeter wave radars operating at 77 Ghz and having resolution of no less than 3.2 meters at a distance of 100 meters. The exemplary dimensions of the radars are 145 millimeters in diameter and 100 or 85 millimeters long. The anten... | 10/21/1997 |
| 5455589 | Compact microwave and millimeter wave radar Compact microwave and millimeter wave radars operating at 77 GHz and having resolution of no less than 3.2 meters at a distance of 100 meters. The exemplary dimensions of the radars are 145 millimeters in diameter and 100 or 85 millimeters long. The anten... | 10/03/1995 |
| 5227800 | Contraband detection system A contraband detection system especially suited for detecting concealed non-metallic contraband such as ceramic or plastic weapons or illegal drugs carried by a person is disclosed. Plural sources of quasi-coherent millimeter wave radiation are disposed s... | 07/13/1993 |
| 5202692 | Millimeter wave imaging sensors, sources and systems A millimeter wave imaging system is disclosed which has wide applicability throughout transportation and related industries. For example, the system may be used to provide an aircraft pilot with an image of a landing field which is essentially unaffected ... | 04/13/1993 |
| 5170169 | Quasi-optical transmission/reflection switch and millimeter-wave imaging system using the same An apparatus for the selective transmission or reflection of incident electromagnetic radiation. The apparatus comprises a plurality of dielectric substrates combined so as to form a stack, wherein at least two of the substrates comprise conductive elemen... | 12/08/1992 |
| 5145809 | Fabrication of gunn diode semiconductor devices An improved method for manufacturing a semiconductor device is described. In the preferred embodiment, a Gunn diode is manufactured from InP active and buffer layers. The buffer layer is deposited on a GaAs substrate using an epitaxial deposition process ... | 09/08/1992 |
| 5073782 | Contraband detection system A contraband detection system especially suited for detecting concealed non-metallic contraband such as ceramic or plastic weapons or illegal drugs carried by a person is disclosed. Plural sources of quasi-coherent millimeter wave radiation are disposed s... | 12/17/1991 |
| 5047783 | Millimeter-wave imaging system An improved millimeter imaging system is disclosed which generates high quality images from the field of view. Such system can be employed in a variety of application ranging from providing an aircraft pilot with an image of the landing field in fog, rain... | 09/10/1991 |
| 4910523 | Micrometer wave imaging device A millimeter wave sensing device is disclosed comprising a local oscillator source generating a millimeter wave signal which is mixed with millimeter wave radiation reflected from or emitted by objects in a field of view. The mixing is performed in a star... | 03/20/1990 |
| 4901084 | Object detection and location system A millimeter wave object detection and location system is disclosed comprising a source generating a millimeter wave signal which is divided into an illumination beam, directed onto a field of view, and a local oscillator portion, mixed with radiation ref... | 02/13/1990 |
| 4727343 | Precision tuning A Gunn diode oscillator tuning mechanism includes a waveguide wall formed with a cavity at the outside of the wall for accommodating a tuning mechanism. A tuning rod opening extends between the inside of the waveguide wall and the cavity to snugly accommo... | 02/23/1988 |
