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| Number | Title | Issue Date |
| 4827267 | High availability solid state modulator for microwave cross-field amplifiers A solid state radar transmitter pulse modulator system capable of generating high power operating pulses having pulse width and pulse repetition rate agility and being programmable for output pulse current over a substantial range of peak current values t... | 05/02/1989 |
| 4823020 | High voltage pulse top clipper with precise regulation of clipping level A high voltage pulse clipper for stabilizing the amplitude of successive pulses applied, for example, as modulator pulses to a microwave transmitter. A source of such pulses has its output connected across a capacitor through a series diode whereby the ca... | 04/18/1989 |
| 4740793 | Antenna elements and arrays An antenna element including a microstrip radiating element having a microstrip feed line and a ground plane on opposite sides of a substrate, with at least one of a plurality as resonators on the same side of the substrate as the microstrip feed line, an... | 04/26/1988 |
| 4740781 | Touch panel data entry device for thin film electroluminescent panels A touch-sensitive device for computer data entry from the presentation on a scanned, thin-film, electroluminescent display. A transparent conductive film is suspended over the display face. Touching that film at a predetermined point in the display capaci... | 04/26/1988 |
| 4694298 | Adaptive, fault-tolerant narrowband filterbank An adaptive, fail-soft digital filterbank for digitized Doppler-modulated video signals. A plurality of modules are controlled by the impulse filter weighting technique to each respond to a set of discrete Doppler frequencies. A built-in test feature is i... | 09/15/1987 |
