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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 |
| 6016351 | Directed radiator with modulated ultrasonic sound An ultrasonic beam (19) is used as a virtual array for an acoustic directional transmitter (11,21,31,41,51, and 61). The acoustic useful signal is modulated upon the ultrasonic beam as carrier via amplitude modulation, for example. The absorption of the u... | 01/18/2000 |
| 6011855 | Piezoelectric film sonic emitter A speaker device for emitting subsonic, sonic or ultrasonic compression waves comprising a generally hollow drum, a rigid emitter plate attached to the drum, and a plurality of apertures formed within the plate which are covered by a thin piezoelectric fi... | 01/04/2000 |
| 5966452 | Sound reduction method and system for jet engines A method and apparatus for reducing acoustic noise waves in the vicinity of an electrically conductive plasma, such as in the exhaust of a gas turbine engine, having a sensor to detect the noise wave and generate a representative electrical noise signal; ... | 10/12/1999 |
| 5889870 | Acoustic heterodyne device and method The present invention is the emission of new sonic or subsonic compression waves from a region resonant cavity or similar of interference of at least two ultrasonic wave trains. In one embodiment, two ultrasonic emitters are oriented toward the cavity so ... | 03/30/1999 |
| 5885129 | Directable sound and light toy A toy device for simulating a weapon which comprises a toy body having a configuration which supplies a directional orientation for aiming the toy body at a target and a parametric speaker. The parametric speaker generates at least one new sonic frequency... | 03/23/1999 |
| 5781150 | GPS relative position detection system A system of GPS devices which receive civilian GPS signals and provide an intuitive graphical interface for displaying the relative position of GPS devices in relation to each other, the relative position being accurate to several meters and defined as th... | 07/14/1998 |
| 5689269 | GPS relative position detection system A system of devices both capable of receiving civilian GPS signals, but also capable of providing a relative distance and direction indication that is accurate to several meters. A first device would be capable of transmitting its GPS determined position ... | 11/18/1997 |
| 5313663 | Ear mounted RF receiver A radio frequency receiving device which is totally self contained and is fully supported at a diverging opening of a user's ear extending from the ear canal. The device includes an elongate casement having a lower portion and an upper portion at a total ... | 05/17/1994 |
