Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4028207 | Measuring arrangements The electrochemical measuring technique of the present invention employs, as the barrier material, a concentrated electrolyte, which also forms a medium for the controlled dissolution of a surface of the semiconductor so as to provide a continuous depth p... | 06/07/1977 |
| 4025189 | Preparation of half-tone images Apparatus for reproducing a half-tone image of an original comprises a support, preferably in the form of a cylinder, for a light-sensitive record medium, an exposing head for exposing a record medium on the support, and means preferably in the form of a ... | 05/24/1977 |
| 4025404 | Ohmic contacts to thin film circuits A process for establishing gold contact studs on thin film circuits consists in localized sublayer deposition of a platinum-gold alloy followed by subsequent electrolytic gold thickening of the studs. The studs so produced are particularly fit for thermoc... | 05/24/1977 |
| 4025839 | Device for an accurate control of final positioning and follow-up of a displaceable member with respect to a reference A system for positioning a displaceable member with respect to a reference conventionally uses a servo-mechanism having feedback position sensing and speed sensing loops connected to an input of the control path of the servo. Usually, the system operates ... | 05/24/1977 |
| 4023023 | Field selection data operating device A field selection data operating device consists of three cascade connected circuits: a field selector and shifter circuit, an arithmetical and logical operator circuit and a bit shifter and concatenator circuit. The selector and shifter circuit is contro... | 05/10/1977 |
| 4015858 | Overwidth device for flat bed truck or trailer A flat bed truck or trailer is provided with extensible side plate members or segments to increase the area of the truck or trailer bed. The side members are capable of being retracted when not in use so as to lie substantially within the area of the truc... | 04/05/1977 |
| 4016601 | Integrated magnetic head having pole-pieces of a reduced frontal width The invention concerns an integrated magnetic head adapted to cooperate with a track of a very narrow width, f.i. of about twenty microns, of a recording medium which moves perpendicularly to said width in close proximity to the frontal gap face of the he... | 04/05/1977 |
| 4012772 | Conversion of color television signals to or from interlaced form Sequential/interlace scan conversion of NTSC or PAL color television signals is effected by an encoder the output of which is connected to the input of scan conversion apparatus. Controllable phase shift means is included in either the color signal input ... | 03/15/1977 |
| 4012782 | Read-only integrated magnetic head The invention provides a structure for a read-only integrated magnetic head which, without any recourse to a shield, ensures or at least enables the elimination from the read-out signal transferred from the head to the external circuits it must feed, any ... | 03/15/1977 |
| 4012704 | Active amplitude equalizers This invention concerns gyrator circuits, and particularly gyrator circuits used in filters. The gyrator network contains two differential input operational amplifiers and an input network, some of the elements of which are variable to enable the Q, the b... | 03/15/1977 |
| 4012717 | Bi-processor data handling system including automatic control of exchanges with external equipment and automatically activated maintenance operation Two microprogrammed processors of identical hardware and software facilities are synchronously operated for exchange operations with a plurality of external store and peripheral units. The exchange connections from the processors to the external units pas... | 03/15/1977 |
| 4012705 | High input level microwave circuit An active resonant circuit to be used as a cell for a low insertion loss high level microwave filter is disclosed comprising a circuit tuned at fo inductively coupled with a negative resistance amplifier consisting of a transistor with a cut-of... | 03/15/1977 |
| 4008925 | Valve devices for use in liquid pressure braking systems of vehicles A valve device for use in liquid pressure vehicle braking systems to control rear brake pressure comprises a plunger in a cavity in a housing, the cavity being closed at one end. The plunger has a land which slides within a portion of the cavity. The area... | 02/22/1977 |
| 4008112 | Method of making an optical waveguide coupler A dielectric optical waveguide coupler for optically coupling together two lengths of dielectric optical waveguide consists of a tube having a capillary bore, into which may be inserted, from each end of the tube, the two dielectric optical waveguides to ... | 02/15/1977 |
| 4006619 | Tube expander utilizing hydraulically actuated pistons An apparatus for expanding a tube or pipe by axially compressing an annular resilient element to cause said element to radially expand into engagement with the inner surface of the tube or pipe. The compressing of the resilient element and its radial expa... | 02/08/1977 |
| 4003020 | Digital signal transmission Digital words are transmitted together with associated parity or checking digits. The parity bits are each related to a group of bits of the same significance from several different words. At a receiving station, a parity bit is generated for the same gro... | 01/11/1977 |
| 4001610 | Time delay circuit An electric timing circuit for the time delayed delivery of a voltage pulse to an electric fuze element or other current or voltage sensitive element uses a capacitor voltage source which can be charged from an external source of electric potential. The c... | 01/04/1977 |
| 3999835 | Dielectric optical waveguides Dielectric optical waveguides can be made having a core of vitreous silica doped with nitrogen in the form of silicon nitride, and a cladding of pure vitreous silica. Silicon nitride may be present in the core material in quantities varying between .1% to... | 12/28/1976 |
| 3997380 | Method of engraving a conductive layer For avoiding the formation of sharp edges and lateral depressions in the conductors engraved from a conductive layer coated over an insulating surface, a thin film of a conductive material other than the conductive material of the layer is first coated ov... | 12/14/1976 |
| 3986703 | Movement of scenery in theaters and studios When a load is to be moved between preselected points along a path such that its weight aids movement in one direction and opposes it in the other (for example when scenery supported from a hoist is to be moved between "deads" in a theater or studio), the... | 10/19/1976 |
| 3985953 | Gravure printing methods and apparatus with rotary shutter In a method of preparing a gravure printing member by excavating materials from the surface by a scanning laser beam or other energy beam, the path of the beam to the surface is periodically intercepted during the scanning by a rotary shutter, the positio... | 10/12/1976 |
| 3985970 | Regeneration of signalling pulses Regeneration of distorted signalling pulses is obtained by means of a Schmitt trigger which is fired when the input pulse has varied by a preset value ƊV the maximum voltage of said pulse being stored in a memory device so as to maintain the trigger in t... | 10/12/1976 |
| 3985224 | Conveyor belt A conveyor belt comprises a series of cross rods coupled together at their ends in parallel relationship at fixed distances apart, and plate links which extend between the cross rods and are hingedly connected to the cross rods solely by virtue of nestlin... | 10/12/1976 |
| 3984208 | Anodes for solid electrolyte capacitors Improved sintered anodes for solid electrolytic capacitors are produced from a mixture of at least two powders the first being of pure film forming metal and the second of a film forming metal with addition of at least one of the elements : nitrogen, tung... | 10/05/1976 |
| 3983440 | Discharge lamp component An electric discharge lamp includes a structure within the discharge envelope comprising a source of at least one halogen, metal or metal halide to serve as an arc-modifying additive, enclosed in the structure from which it is capable of being released in... | 09/28/1976 |
| 3981095 | Sport-fishing apparatus A sport-fishing apparatus includes a hollow rod with a line extending through the rod interior. The line, while perfectly flexible to bending throughout its length, is relatively stiff in torsion so that rotation of one end is effective to rotate the oppo... | 09/21/1976 |
| 3977533 | Classifying apparatus Article classifying apparatus comprises means for conveying articles in series to a work station. At the work station means are provided for establishing a machine readable classification code on each article. The apparatus also includes means for varying... | 08/31/1976 |
| 3977923 | Method and solid propellant with unsaturated aziridine cured binder A new class of multiaziridines are provided having the formula: ##EQU1## WHEREIN R1, R2, R3 and R4 are monovalent radicals that may be the same or different and are hydrogen, 1-5 carbon alkyl or 1-5 carbon ... | 08/31/1976 |
| 3976355 | Optical communications systems A coupler for optically connecting two lengths of dielectric optical waveguide has a plug and a socket. The socket consists of a sleeve having a first capillary bore tube rigidly fixed in the sleeve and a second capillary bore tube slidable in the sleeve.... | 08/24/1976 |
| 3975773 | Thin film magnetic heads In a thin film magnetic writing head structure, a high permeability layer is arranged parallel to the lateral face of a pole piece which is situated in the downstream direction of movement of the magnetic record carrier under the head airgap. Said high pe... | 08/17/1976 |
| 3975771 | Magnetic head devices enclosed by a shield having superposed layers and an intervening layer of solder In magnetic disk equipments or the like, the read/write magnetic heads are each bonded to the wall of a thru-hole of a carrier plate adapted to act as a "flying" member maintained by an aerodynamical action in close proximity to the surface of the rotatin... | 08/17/1976 |
| 3974953 | Self-centering feed conveyor An apparatus for centering material fed therethrough consisting of a pair of outer frame members provided with a pair of inner members wherein all of the members are arranged in spaced parallel relation to one another. The inner members are pivotally conn... | 08/17/1976 |
| 3974791 | Sails and method of manufacture Sails for sailcraft, e.g., one-design racing sailboats, are made by forming a plurality of cloth panels by cutting all edges of each panel from a bolt of cloth according to predetermined rectangular coordinates, creating marks on the panels defining fair ... | 08/17/1976 |
| 3974981 | Automatically operated magnetic tape equipment In an automatically operated magnetic tape equipment, sudden and important variations of mechanical tension are applied to the tape. In order to prevent any risks of rupture of the tape, an automatic damping of such variations is ensured by establishing t... | 08/17/1976 |
| 3973569 | Tracheostomy tube device with neck size adjustment means Tracheostomy tubes are provided with means that permits them to be held firmly in proper position upon a person on whom the device is installed. Such means comprises a fixed flange member, a slideable flange member and a plurality of slideable and separat... | 08/10/1976 |
| 3973603 | Control for filling flexible bottles or containers An apparatus for filling a flexible container with a liquid from a reservoir or tank having a plurality of filling nozzles or tubes. The container engages a nozzle or tube as it is being filled and is subjected to a filling head pressure that causes the s... | 08/10/1976 |
| 3974006 | Method of obtaining high temperature resistant assemblies comprising isolated silicon islands bonded to a substrate A method is described for obtaining high temperature resistant assemblies comprising isolated silicon islands bonded to a substrate in view of the manufacture of bipolar or MOS circuit element built-in devices. The flat surface of an initial wafer compris... | 08/10/1976 |
| 3970795 | Measurement of noise in a communication channel TNR (Traffic Noise Ratio) is defined as the ratio of the portion of the noise representing a multi-channel signal that occurs in a narrow bandwidth (including inherent, and intermodulation) to the noise in the same bandwidth, in the absence of a traffic s... | 07/20/1976 |
| 3969408 | 2-Alkyl-5-oximinocyclopentanone and the method of preparing the same 2-ALKYL-5-OXIMINOCYCLOPENTANONE USEFUL AS THE RAW MATERIAL OF PERFUME AND OTHER CHEMICALS, THE CHEMICAL STRUCTURE OF WHICH MAY BE EXPRESSED BY THE GENERAL FORMULA: ##EQU1## where R is a lower alkyl group, and the method of preparing the same.... | 07/13/1976 |
| 3969125 | Heat resistive and reinforced composite material We had previously disclosed a heat resistive and reinforced composite material which was prepared by sintering a finely powdered mixture of trisilicon tetranitride and an oxide of yttrium group elements. More improved similar composite material having excellen... | 07/13/1976 |