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| Number | Title | Issue Date |
| 4746627 | Method of making complementary GaAs heterojunction transistors A complementary GaAs Transistor pair is formed of a p-type MODFET and an n-type FET having an ion-implanted channel doping with a heterojunction gate. One set of structures is implemented in a planar process utilizing molecular beam epitaxy. The p-MODFET ... | 05/24/1988 |
| 4717098 | Actuator for a g-limiter override Spring-loaded linkage contained in a housing attached to the control stick of an aircraft. One member of the linkage is an arm having an end projecting from the housing and forming a hand grip through which the pilot controls the aircraft. The linkage pro... | 01/05/1988 |
| 4708008 | Volume control superplastic forming An apparatus and method for controlling the superplastic forming process by measuring and controlling the volume displaced by the blank being formed so as to measure total strain or surface area increase of the blank.... | 11/24/1987 |
| 4697419 | Fast actuator A hydraulic power actuator system flow augmentation scheme of the boot-strap type. The scheme consists of a jet pump to augment pump inlet flow with return flow by reducing the pressure in the jet pump below return pressure. A check valve is installed in ... | 10/06/1987 |
| 4696711 | Method for forming holes in composites An inexpensive method of forming close tolerance holes in composites utilizing the B-stage characteristics of those composites. The holes are formed by assembling the composite structure, B-staging the composite material, cutting or drilling undersized ho... | 09/29/1987 |
| 4685376 | Separation system An explosively operated, confined linear explosive separation joint. The joint features a one-piece female member of a clevis type shape with shear lip grooves located on the outside surface of the clevis generally aligned with the fillet formed between t... | 08/11/1987 |
| 4679298 | Method of fabrication of GaAs complementary enhancement mode junction field effect transistor Ultra low-power GaAs complementary junction field effect transistors are implemented in the design of complementary integrated circuits using a planar technology in conjunction with multiple and selective ion implantation. Both junction FETs, namely the p... | 07/14/1987 |
| 4668093 | Optical grating demodulator and sensor system The demodulator system includes a source of light, and a beamsplitter which produces mutually coherent sensor and reference beams through sensor and reference fibers respectively, the sensor fiber being exposed to the effect to be sensed while the referen... | 05/26/1987 |
| 4665895 | Ellipsoidal solar dish concentrator A solar dish concentrator is provided having a rotationally symmetrical elliptical shape for focusing an uniform flux density of solar radiation on a receiver. The solar flux pattern reflected to the receiver is evenly distributed over the four quadrants ... | 05/19/1987 |
| 4667112 | Radiation dispersing cavities A radiation dispersing cavity has its interior surface covered by a plurality of deformations, each of which acts as a dispersing element which is small with respect to the effective diameter of the cavity and yet large with respect to the wavelengths pro... | 05/19/1987 |
| 4655553 | High contrast back lit liquid crystal display system Use of a special blue or blue-green optical filter in a single or double layer dichroic liquid crystal display which is back lit by dimmable incandescent lights provides for easily read, high contrast presentation of information.... | 04/07/1987 |
| 4651276 | Computer read next instruction system This read next instruction system (RNI) fetches and parses multi-byte instruction streams by means of a picoprocessor subsystem in conjunction with a state machine controller. These controllers cause the input data, which constitutes software instructions... | 03/17/1987 |
| 4630282 | Frequency-hopping digital data link Ordinary digital data is reformed and time shifted such that it may be broadcast over a radio link which periodically shifts its frequency. The system of this invention utilizes timing information obtained from a pre-existing frequency-hopping radio link ... | 12/16/1986 |
| 4623086 | Process of monitoring for the reflectivity change in indium phase transition soldering An element is soldered to a heat sink by a flux-free technique in which flux-free solder is first deposited onto the heat sink surface, then the element is placed into position on the surface, then the heat sink is placed into and held at a constant tempe... | 11/18/1986 |
| 4617720 | Automated machine tool having a rotary indexing fixture There is provided by this invention an automated machine tool having a rotary indexing table that allows the machine tool to precisely rotate a workpiece 360° to perform a machining function. The rotary indexing table has an aperture therein designed to ... | 10/21/1986 |
| 4612697 | Automated machining system having a workpiece transfer apparatus There is provided by this invention an automated machine tool having a workpiece transfer apparatus that allows the machine tool to automatically load and unload a workpiece during machining. The automated machine tool has the capacity to select a workpie... | 09/23/1986 |
| 4609290 | Passive homodyne demodulator and sensor system A passive device which allows processing of signals impressed upon a light beam and arranged so that sensitivity is maximized and signal dropout, due to environmental effects such as temperature, do not occur. The passive homodyne demodulator includes a b... | 09/02/1986 |
| 4596506 | Air bearing wheel lift A wheel lift for lifting multi-wheeled vehicles. A wheel lift is applied at each wheel and has a generally U-shaped base supported by an air bearing under each arm. A pair of adjustable chocks engage the wheel near the floor. Either a hook engages the whe... | 06/24/1986 |
| 4588296 | Compact optical gyro An improved compact optical gyro is provided wherein a beam of light is split and introduced into both ends of an optic coil whose rotation is to be sensed. At least one frequency shifter is placed to affect the frequency of the beam to introduce or adjus... | 05/13/1986 |
| 4587833 | Staking system Liner bushings and bearing assemblies are securely captured within their receiving holes by a new staking system. The inner and outer surfaces of the webs of metal adjacent the actual staking groove which are to be bent over or staked are fabricated such ... | 05/13/1986 |
| 4586683 | Rolling aerial refueling boom An improvement in an aircraft refueling boom wherein the boom support attachment provides two axes of motion. The first axis, attached to the fuselage, provides for lateral motion of the boom about a longitudinal or roll axis of rotation essentially paral... | 05/06/1986 |
| 4583520 | Balanced solar concentrator system This solar concentrator system is configured such that the base pedestal attachment point is located on the beam connecting the curved solar reflector and the heat energy receiver power conversion unit, herein envisioned as a Stirling engine. This attachm... | 04/22/1986 |
| 4575854 | Uncooled YAG laser An Nd:YAG laser pumped by an array of diode laser bars. The diode laser bars are driven by high frequency pulsed DC and switched so that the bars may be driven in any desirable combination, but not all bars are driven at the same time. Switching between s... | 03/11/1986 |
| 4568928 | Fail transparent electro-luminescent display with backup This display system comprises, front to rear, an electro-luminescent information bearing display element which is substantially transparent when not energized, a background element which is dark (opaque) when it is energized and substantially transparent ... | 02/04/1986 |
| 4568957 | GaAs Complementary enhancement mode junction field effect transistor structures and method of fabrication Ultra low-power GaAs complementary junction field effect transistors are implemented in the design of complementary integrated circuits using a planar technology in conjunction with multiple and selective ion implantation. Both junction FETs, namely the p... | 02/04/1986 |
| 4564275 | Automatic heliostat track alignment method A method of automatically aligning heliostats by comparing the actual sunbeam centroid position on a target to a command reference position to determine the error in the sunbeam centroid location. The sunbeam centroid position error is then analyzed to correla... | 01/14/1986 |
| 4562433 | Fail transparent LCD display A display system is constructed such that upon failure of the primary display which comprises a Liquid Crystal Display (LCD) that becomes transparent upon failure, a backup display located directly beneath the primary display becomes visible to the displa... | 12/31/1985 |
| 4558426 | Transducer multiplexer This transducer multiplexer enables a multiplicity of individual bridge type transducers to be calibrated simultaneously under computer control. The various transducers are connected to a common loading means capable of providing a variety of known loads ... | 12/10/1985 |
| 4555844 | Part turnover attachment for automatic machine tool There is provided by this invention a part turnover attachment for use with an automated machine tool comprised of a chuck for supporting the tool in the rotatable spindle of the machine tool and a rotatable pickup mechanism that attaches to a workpiece. ... | 12/03/1985 |
| 4555133 | Container restraint release A release/restraint mechanism for air-dropped cargo interposed between fixed aircraft structure and the restraining webbing. A fixed arm is oriented opposite a pivoted arm which is fixed in one position and free to rotate in the release position. A restra... | 11/26/1985 |
| 4554545 | Conformal head-up display A system for providing a Head-Up Display (HUD) on board an aircraft to assist a pilot in guiding the aircraft. The display is positioned in the pilot's normal line of sight. In one mode it utilizes a radio beam landing system such as an ILS (Instrument La... | 11/19/1985 |
| 4551628 | Radiation dispersing cavities A radiation dispersing cavity has its interior surface covered by a plurality of deformations, each of which acts as a dispersing element which is small with respect to the effective diameter of the cavity and yet large with respect to the wavelengths pro... | 11/05/1985 |
| 4545561 | Piezoelectric valve operator A valve (10) is provided for the control of fluid flow. The valve (10) includes a housing (20) having a fluid inlet aperture (40) and a fluid outlet aperture (48). A piezoelectric device (12) is disposed within the housing (20) adjacent the fluid inlet ap... | 10/08/1985 |
| 4542869 | Flap mechanism A mechanism for supporting and translating a wing trailing edge flap system. The flap is pivotally supported by a carriage and track at one point and the free ternary link of a four-bar linkage at a second point, to combine and form an overall six-bar lin... | 09/24/1985 |
| 4538223 | Computer operand address computation The address of an operand in computer main memory is computed by a system which utilizes a base memory frame address in combination with a displacement value, indicative of the position in the frame of the operand relative to the base memory frame address... | 08/27/1985 |
| 4534813 | Compound curve-flat pattern process Flat pattern equivalents for curved surfaces may be generated by developing a regular network of quadrilateral grid elements resembling a fish net which is mathematically smoothed onto the curved surface. Surface features such as boundaries and cutouts ar... | 08/13/1985 |
| 4534222 | Fiber-optic seismic sensor A vibration sensor is constructed by providing two preferably matched coils of fiber-optic material. When the sensor experiences vibration, a differential pressure is exerted on the two fiber coils. The differential pressure results in a variation in the ... | 08/13/1985 |
| 4530625 | Hydraulic stop An improved hydraulic stop for use with drilling and countersinking tools. The stop limits the penetration of the tool into the workpiece by dwelling at a pre-set depth while the machine spindle continues to travel (feed) through a hydraulic override syst... | 07/23/1985 |
| 4518255 | Temperature tracking range finder The disclosed apparatus is a temperature tracking narrow band optical range finder which includes a prior art GaAs laser diode for emitting a laser energy pulse to a target and an improved GaAs avalanche detector for receiving a reflected pulse from the t... | 05/21/1985 |
| 4512836 | Method of producing composite structural members The inventive method is used to make 3-Dimensional reinforced and flanged parts from filaments which are braided or wound flat (parallel to the surface of a mandrel). The method comprises the steps of: depositing a first layer of impregnated reinforcements on ... | 04/23/1985 |
