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| Number | Title | Issue Date |
| 4644399 | Video/digital data multiplexer An apparatus and method is provided wherein a television signal being traitted may be modified by multiplexing in a digital information-bearing signal in a manner that binary pulses are encoded upon horizontal synchronizing pulse windows contained within... | 02/17/1987 |
| 4631586 | Digital raster timing encoder/decoder The invention presents a digital raster timing encoder/decoder system when television raster synchronization pulses and other timing pulses and information data are generated. The invention comprises a digital clock source having coding circuitry which, ... | 12/23/1986 |
| 4631541 | Microprocessor based programmable frequency controller for frequency agile radar The invention is a programmable frequency controller for a frequency agile adar system. The system comprises a microprocessor which includes clock generator, a front panel radar parameter input unit, a program memory, data memory, a front panel radar an in... | 12/23/1986 |
| 4567609 | Automatic character recognition system An apparatus and method for automatic character recognition is presented ch automatically locates and recognizes alphanumeric characters in a scene viewed by a raster-scan type of sensor. By this method the apparatus can search the entire scene and recog... | 01/28/1986 |
| 4562554 | Universal microcomputer for individual sensors This invention is an apparatus and method created around a specialized micomputer attachable to and addressable to each thermister in an array of thermisters used to measure temperature in the sea. The invention provides a number of options so that the s... | 12/31/1985 |
| 4513329 | Manchester decoder clock multiplier The circuit comprises a differentiator, two nonretriggerable-gated-monoste-multivibrators, a clock decoder, a data flip-flop unit, and a multiphase and frequency logic circuit. The differentiator checks the incoming Manchester encoded signal and divides ... | 04/23/1985 |
| 4495849 | Remotely activated cable cutter This invention improves on explosively actuated cable cutters in that it orporates a remote capability of activating the cutter. The improved apparatus comprises an acoustical transducer for receiving a remote coded signal, an electric circuit designed t... | 01/29/1985 |
| 4493281 | Shallow depth lead weight ejection circuit The invention is a safety circuit for torpedoes which causes lead weights be ejected when the torpedo is not running and is below a predetermined depth. It uses a CMOS multivibrator and NAND gates to pulse power to the existing pressure transducer and a ... | 01/15/1985 |
| 4492962 | Transmitting adaptive array antenna A low-power adaptive array for transmitting a signal may be used by itself in low-power applications or in high-power applications in conjunction with a commercial radio transmitter to optimize the radiation field of the transmitter used. The adaptive sys... | 01/08/1985 |
| 4492923 | Apparatus for measuring the spatial scalar variation of a magnetic field with vector magnetic sensors on a moderately stable moving platform An apparatus, using three gradiometers, measures the spatial variation of a agnetic field along a path of motion of the apparatus. The apparatus comprises three gradiometers oriented along the mutually orthogonal axes, x', y' and z' defined on the moving p... | 01/08/1985 |
| 4480323 | Remote self-contained undersea monitor A remote oceanographic data recording system which is self-contained batt operated and removably attachable to an external surface of a submerged hull without a need to penetrate said hull is presented. The system is capable of gathering and recording oc... | 10/30/1984 |
| 4476654 | Spline gear reciprocating lapping machie An apparatus is presented which will automatically lap involute and strai internal or external gear splines. Lapping force is applied alternatively to the left and right side of each tooth flank. Automatic indexing to new radial positions about the circu... | 10/16/1984 |
| 4469443 | Atmospheric transmissometer An apparatus and method is described for separately measuring the optical tensities of the following: a sample beam having traversed a sample medium; a backscattered beam having been backscattered by the sample medium; a composite beam composed of the sam... | 09/04/1984 |
| 4463496 | Deep submergence vehicle (DSV) lightweight cable cutter In improved cable cutter for undersea use is presented which has a self-cained, pressure compensated hydraulic system which allows it to operate in the deep ocean. The cable cutter is designed to operate from and mate with manipulators of Navy deep subme... | 08/07/1984 |
| 4449068 | Sonar compensation transformer A sonar compensation transformer is added to a sonar transceiver circuit to btain calibrated optimum performance from a sonar transducer using ceramic rings by slightly modifying the voltage of the transducer while at the same time allowing the transmit ci... | 05/15/1984 |
| 4415165 | Integral elastomeric/graphite dynamic face seal A shaft seal is presented which combines the attributes of the low pressure ealing of an O-ring and the high pressure sealing of a carbon face seal. This invention provides a dynamic shaft seal with the advantage of a very reliable, positive elastomeric O-... | 11/15/1983 |
| 4393350 | Method for rapidly detecting subterranean tunnels by detecting a non-null value of a resultant horizontal magnetic field component Method and apparatus for detecting tunnels, voids or other anomalies bene an area of the earth's surface wherein an oscillator couples a current into two conductors laid parallel to each other to generate two magnetic fields in the earth beneath the area... | 07/12/1983 |
