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Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 7292035 | NMR.ESR antennas and spectrometers using these An NMR/ESR antenna is inserted into a magnet device for generating a static magnetic field, and irradiates a sample with an electromagnetic wave to detect a signal generated from the sample. The NMR/ESR antenna comprises a sample tube, an NMR solenoid coil, an ESR m... | 11/06/2007 |
| 7161526 | Broadband radar and modulator, in particular for microwave switching over a very short period The present invention relates to an ultrawideband radar. It also relates to a modulator, in particular for switching microwaves over a very short duration. The radar includes a modulator modulating a carrier microwave, this modulator including a microwave mixer mean... | 01/09/2007 |
| 7023292 | Polar modulation using amplitude modulated quadrature signals Polar modulators include a phase splitter, a controller, variable current sources, transistor circuits, and a combiner. The phase splitter splits a RF carrier signal into quadrature component signals that are 90 degrees out of phase with each other. The controller g... | 04/04/2006 |
| 6163231 | Millimeter wave modulator and transmitter In a millimeter wave modulation of the direct modulation technology, the switching speed is increased and the modulation bandwidth is broadened. A millimeter wave modulator includes a millimeter wave waveguide. a switching element (PIN diode) disposed in ... | 12/19/2000 |
| 5745017 | Thick film construct for quadrature translation of RF signals A thick film construct and quadrature coupler for use in fabricating devices such as IQ modulators, IQ demodulators, vector modulators, image reject mixers, and multi-channel mixers. The thick film construct includes a dielectric substrate base with a met... | 04/28/1998 |
| 5633613 | Modulator-coupled transmission structure and method The microwave impedance across an aperture in a conductive shield member of a transmission structure is varied as a microwave signal transits the aperture. The impedance is changed by positioning a variable impedance device across the aperture. A slit div... | 05/27/1997 |
| 5561401 | Quadrature modulator operable in quasi-microwave band of digital communication system The present invention has an object to provide a compact quadrature modulator manufactured at low cost in such a manner that an input level is low over a wide high frequency band, and few input signals are wrapped around an output terminal. The quadrature... | 10/01/1996 |
| 5463357 | Wide-band microwave modulator arrangements A wide-band microwave modulator arrangement for an information transmission system, such as a video signal distribution system, in which signals from a microwave carrier signal source are split and directed over a first path comprising an attenuator and a... | 10/31/1995 |
| 5268658 | Digital amplitude modulator and method of signal combining A digital amplitude modulator receives a plurality of phase coherent input signals from a plurality of amplifiers (A1-An) respectively representing the bits of a plural bit digital word and converts them to a single output signal on an output with a first... | 12/07/1993 |
| 4868528 | Ring-mounted microwave device An microwave device of the diode-operated amplitude modulator or switch type is disclosed. The ring is formed by a source of symmetrical currents which powers the diodes connected to a load. When the diodes are off, they show a capacitance which gives a r... | 09/19/1989 |
| 4806884 | High frequency generator A high frequency generator for sinusoidal output power includes an LC-parallel resonance circuit as an output circuit. A plurality of HF-modules of small output are coupled to the output circuit. Each HF-module consists of a controlled switch S1.1, S1.2, ... | 02/21/1989 |
| 4804931 | Digital amplitude modulator - transmitter A digital amplitude modulator for use in transmitting information signals in the context of AM audio and AM video. The amplitude modulator/transmitter basically consists of a predetermined number of quadrature hybrid power devices configured as combiners ... | 02/14/1989 |
| 4789840 | Integrated capacitance structures in microwave finline devices A finline structure comprises a dielectric substrate-mounted circuit disposed within a waveguide having on the substrate integrated distributed capacitance elements at least partially formed by laterally separated metallization layers. Thin-film construct... | 12/06/1988 |
| 4506234 | Amplitude and phase modulation in fin-lines by electrical tuning A fin-line waveguide device for modulating signals passing therethrough. The device comprises a fin-line waveguide including two channel members longitudinally extending in the direction of signal propagation through the device. The channel members are ph... | 03/19/1985 |
| 4188594 | Fixed frequency filters using epitaxial ferrite films Films of epitaxially deposited hexagonal ferrite material backed with metal and inserted into waveguides in single and multiple stages are used to form band-pass and band-stop filters, variable attenuators and modulators. The films have body resonance mod... | 02/12/1980 |
