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Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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Attorney: Wilkinson; Stuart L.


Number of patents: 66
Last date: November 29, 2011

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NumberTitleIssue Date
8067704System and method for weighing particulate material moving on a conveyor
A system and method for weighing varying throughput of conveyed particulate material. The system has a weighing unit for measuring weight of material conveyed on a span of the conveyor and a speed monitoring unit to monitor the speed of the conveyor. A control modul...
11/29/2011
4663543Voltage level shifting depletion mode FET logical circuit
A GaAs D-MESFET logic system having a low power delay product has a switching second and a voltage level shifting section. The voltage level shifting section consists of a chain of diodes and a pulldown transistor. The switching section consists of an arr...
05/05/1987
4653845Fiber optic star coupler
A fiber optic star coupler particularly for use in providing optical interconnects between circuit boards has a light mixer into which input and output fibers are inserted. The mixer has rectangular cross-section passage, an interior surface of which is h...
03/31/1987
4650278Fiber optic access nodes
A fiber optic access node has input and output fibers terminating at a housing. A module is retractably insertable into the housing to automatically lock into a position in which an output zone of the module aligns with the output fiber and input zone of ...
03/17/1987
4636071Method and apparatus for measuring single mode fiber mode field radius
The fundamental-mode field radius `w` is a key parameter in characterizing optical fibers. `w` is a function of P, θ and λ where P is the far-field power passing through a circular aperture subtending a solid angle of 2θ at the fiber end face and λ is...
01/13/1987
4612671Laser transmitter
In a fiber optic laser controller for use in digital transmission a digital data stream and a DC bias are applied to the laser. During a monitoring period, the DC bias is stepped from a zero to a peak current. At a first threshold current, lasing occurs i...
09/16/1986
4601781Method for improving step coverage of dielectrics in VLSI circuits
Particularly for use in multilevel metallization structures in which the underlying topography consists of fine and sharply contoured conductor lines produced by dry etching, conformal or near planar dielectric coatings are produced by depositing a dielec...
07/22/1986
4601208Optical fiber proof testing equipment
Optical fiber proof testing equipment has a rotary drive and two pulleys directly coupled to the drive. A fiber is taken from fiber drawing equipment around part of the circumference of the first pulley, along a guide track and around part of the circumfe...
07/22/1986
4596899Telephone hearing aid
A portable telephone hearing aid having an acousto-acoustic/magnetic amplifier providing a maximum gain of 20 dB has a circular housing at one end of a U-shaped resilient clip member for attaching it to the telephone receiver in a handset. A battery compa...
06/24/1986
4583851Method and apparatus for monitoring optical fiber concentricity
The eccentricity of an optical fiber core within a transparent fiber jacket is monitored by directing light towards the fiber and obtaining a returned light intensity profile as a function of the angle at which light is returned from the fiber. Any deviat...
04/22/1986
4580155Deep depletion CCD imager
An integrated circuit device has a high resistivity silicon substrate in which a low resistivity region exists. A charge coupled array is fabricated in the high resistivity region and an output circuit is fabricated in the low resistivity region. At the b...
04/01/1986
4579079Apparatus for use in coating an elongate filament
To uniformly coat a fiber, it is fed downwards through a passage filled with a coating fluid. The passage has a downwardly tapering lower zone into which fluid is directed from outside the passage uniformly, radially inwardly and downwardly. The fluid dir...
04/01/1986
4574730Melt dispensing liquid phase epitaxy boat
An improved melt dispensing liquid phase epitaxy (LPE) boat is disclosed. It comprises two separable compartments. A supply-melt reservoir and a growth-melt bin separable by means of a separation slider for separating the two compartments prior to the act...
03/11/1986
4566001Touch strip input for display terminal
The screen of a display terminal has touch strips extending adjacent horizontal and vertical edges. The touch strips have electrical outputs dependent on the position along the strips at which they are touched. Using microprocessor control the touch strip...
01/21/1986
4561906Laser activated polysilicon connections for redundancy
An integrated circuit is fabricated with some redundant capacity by forming potential electrically conducting links which can subsequently be made electrically when extra circuit capacity is required. Field oxide is grown on a silicon substrate and then a...
12/31/1985
4551019Measuring chromatic dispersion of fibers
The chromatic dispersion of an optical fiber such as a 10 to 50 km length of single mode fiber is measured by launching into the fiber the outputs of at least three commonly modulated semiconductor lasers having output wavelengths close to a region of min...
11/05/1985
4539502Magnetic feedthrough cancelling surface acoustic wave device
A surface acoustic wave (SAW) device has an input interdigitated transducer (IDT) and an output IDT. One of the transducers is formed as two loops which are interconnected so that unwanted magnetic feedthrough voltages induced in or by such current loops ...
09/03/1985
4533791Input/output device arrangements for terminals
In a mounting arrangement of lamellar, input/output devices for a computer or telecommunications terminal, one of the devices is movable relative to another of the devices between a limited operational position in which a first input/output device is oper...
08/06/1985
4530099Planar narrow-stripe laser with improved charge carrier confinement
Double heterostructure lasers which use a narrow stripe contact exhibit linear characteristics with a low lasing threshold current making them very suitable for fiber optic communication systems. Linearity and low threshold currents are achieved if the ca...
07/16/1985
4503468Interactive viewgraph system
At each of a pair of linked terminals, an image is generated at local and remote input devices. The generated image is projected onto a viewing screen and, while exhibited, further locally or remotely generated data is used to alter the generated image an...
03/05/1985
4502762Dual wavelength optical system
In dual wavelength equipment such as a combined read/write unit for an optical disc system, read light of wavelength λ1 is directed through an isolator and a combiner, is reflected from a target back through the combiner and, at the isolator i...
03/05/1985
4493287Diffusion equipment
To secure accurate control over rapid diffusion such as the diffusion of zinc into gallium arsenide, the source and slices to be processed are isolated from one another during an initial warm-up period. This is done using one vessel for the crystal slice ...
01/15/1985
4490604Input/output device arrangements for terminals
In an arrangement of two keyboards or other lamellar input/output devices for a computer or telecommunications terminal, one keyboard is integral with a cabinet of the terminal and the other keyboard normally fits within a housing in an undersurface of th...
12/25/1984
4489477Method for screening laser diodes
A method for screening double heterostructure laser diodes before mounting and packaging is disclosed. At a normal laser diode operating temperature, a range of pulsed current is passed through the laser diode and the lasing threshold current and slope ef...
12/25/1984
4483541Gas seal for semiconductor processing equipment
During production of laser diodes, crystals on which the laser diodes are formed are subjected to two high temperature processes: diffusion and alloying. These steps are performed in a quartz process tube in an oxygen free atmosphere. At some stage in the...
11/20/1984
4476475Stacked MOS transistor
In a stacked metal-oxide-semiconductor (SMOS) transistor, the transistor source, drain and channel each have a lower part formed in a silicon substrate and an upper part composed of recrystallized polysilicon. The device gate is located between the upper ...
10/09/1984
4475033Positioning device for optical system element
A device for accurately positioning an optical system element uses an array of electromagnets to alter fluid pressure distribution in a mass of ferromagnetic fluid. The pressure redistribution causes movement of an optical system element positioned adjace...
10/02/1984
4474469Precise positioning of optical fibers
Before splicing optical fibers having cladding and core of differing refractive index, the cores are axially aligned. The fiber ends are held apart with the fibers approximately coaxial. The fiber end surfaces are then illuminated and reflected light is m...
10/02/1984
4474426Optical cables
In a known optical cable, optical fibers are loosely laid in a number of grooves formed within an elongate plastics extrusion. Typically the grooves follow a helical path with periodically reversing pitch, the helices centered on a central longitudinal ax...
10/02/1984
4459739Thin film transistors
A thin film transistor has a semiconductor layer, an insulating layer and source, drain and gate electrodes. The improvement comprises creating an enhanced conductivity layer in the semiconductor by ion implantation or diffusion on phased deposition. The ...
07/17/1984
4453043Telephone for a physically handicapped person
A telephone for a physically handicapped person has a transducer which is selected for easy actuation by the handicapped person. The transducer may, for example, be operated orally. When the transducer is first operated, a switch under the control of the ...
06/05/1984
4445649Adjustable reel
Optical fiber wound onto a take-up reel after production is invariably tensioned such that results of characterization tests performed on the wound fiber are markedly different from such results obtained when the fiber is untensioned. Doubly winding the f...
05/01/1984
4433386Surface relief measuring equipment
Surface relief analyzing equipment comprises a turntable and an audio frequency pick-up including a stylus. A substrate bearing the surface relief is rotated on the turntable at a fixed frequency and and analogue electrical signal produced at a pick-up tr...
02/21/1984
4432611Photoconductor control of electro-optically variable display cell
Light transmitted by an electro-optically variable cell on application of a voltage actuates a photoconductor which controls the voltage. Voltage is, for example, applied across both a liquid crystal and a photoconductor, control then deriving from a rela...
02/21/1984
4424419Electret microphone shield
An electret microphone has a metal shield around it in order to guard against electromagnetic interference. Acoustic waves reach the electret element through a passage in the shield. The electret response is undesirably affected by an electric field produ...
01/03/1984
4422090Thin film transistors
A thin film transistor has a semiconductor layer, an insulating layer and source, drain and gate electrodes. The improvement comprises creating an enhanced conductivity layer in the semiconductor by ion implantation or diffusion on phased deposition. The ...
12/20/1983
4421953Telephone tactile alert system
A telephone user who cannot hear the telephone ringing is alerted, other than audibly, to the fact that the telephone must be answered. A radio transmitter at the telephone is driven by ringing voltage supplied to the instrument. The transmitter emits a r...
12/20/1983
4415383Method of fabricating semiconductor devices using laser annealing
In the manufacture of VLSI (very large scale integrated) MOS (metal-oxide-semiconductor) circuits, a polysilicon gate is deposited on an oxide layer overlaying a silicon substrate. Ideally, the polysilicon gate is made extremely small and with sharply def...
11/15/1983
4413883Displays controlled by MIM switches of small capacitance
A matrix multiplexed field effect display has switch devices at matrix crosspoints to provide a turn-on threshold for the field effect material. The switch devices are thin film metal-insulator-metal (MIM) switches. The display is operated at low current ...
11/08/1983
4413881Optical fiber hermetic seal
A hermetic seal for an optical fiber is fabricated by casting or molding a mass of fusible alloy around the fiber so that the alloy solidifies within a confined space. The alloy used is characterized by low thermal coefficient of expansion, minimal relaxa...
11/08/1983
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