Pulse radar and components therefor
Patent 5091730 Issued on February 25, 1992. Estimated Expiration Date: 
March 8, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 8, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3746454 Integrated circuit planar high frequency mixer Quasi-optical balanced biconical mixer Millimeter-wave quasi-optical planar balanced mixer Patent #: 4491977 InventorsAssigneeApplicationNo. 666829 filed on 03/08/1991US Classes:342/153, With particular antenna or waveguide244/3.16, Optical (includes infrared)342/53, With infrared device342/62, Missile or spacecraft guidance455/330With nonlinear impedance (e.g., diode)ExaminersPrimary: Barron, Gilberto Jr.Attorney, Agent or FirmInternational ClassesG01S 013/44G01S 007/285 F41G 007/22 H01L 027/14 AbstractA pulse radar for operation at 94 GHz and higher frequencies is shown to include an antenna, a diplexer and first detector that are each optically fed so that radio frequency signals may be, when transmitting, passed through the diplexer to the antenna and, when receiving, from the antenna through the diplexer to the first detector.Other References
Field of SearchMissile or spacecraft guidanceMonopulse With particular antenna or waveguide With infrared device Stripline With nonlinear impedance (e.g., diode) Combined with diverse-type art device Light Optical (includes infrared) Radio wave Infrared responsive Semiconducting type Plural beam/detector pairs | |
