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| Number | Title | Issue Date |
| 4286177 | Integrated injection logic circuits An "Integrated Injection Logic" integrated circuit in which bias currents are supplied by means of a current injector. The current injector is a multi-layer structure in which current is supplied by means of injection and collection of charge carriers via... | 08/25/1981 |
| 4161741 | Semiconductor memory device The invention relates to a JFET memory in which the information at the gate electrodes of the JFET's is stored and read-out non-destructively. Each JFET has an IGFET structure situated entirely within the JFET and the gate of which is coupled to the sourc... | 07/17/1979 |
| 4151635 | Method for making a complementary silicon gate MOS structure Complementary silicon gate MOS structure formed of a semiconductor body of silicon having a major surface with a first region of N conductivity type formed in the body and extending to the surface and a second region of P conductivity type formed in the b... | 05/01/1979 |
| 4126899 | Junction field effect transistor random access memory A random access memory (RAM) in which each memory cell includes a JFET having two gate electrodes selectable by means of a single word line and a single bit line. The JFETs have a common electrode formed from the substrate of a semiconductor body common t... | 11/21/1978 |
| 4126900 | Random access junction field-effect floating gate transistor memory JFET memory structures, in particular for RAM's with non-destructive reading-out of the charge state of a floating gate electrode in which the primary selection is realized by means of capacitive coupling with the floating gate electrode. The secondary se... | 11/21/1978 |
| 4101734 | Binary to multistate bus driver, receiver and method A binary to multistate line driver and remote receiver includes a line driver comprising first and second injection logic encoder circuits. The circuits have current injectors and are connected to receive respective first and second binary signals to prov... | 07/18/1978 |
| 4081315 | Cermet etch technique An etching process for patterning cermet thin film resistors includes the provision of a layer of molybdenum over the cermet layer to provide a good adherent surface for a photoresist layer subsequently deposited thereon. After the photoresist and molybde... | 03/28/1978 |
| 4078252 | Ramp generator A ramp generator for driving a bar graph display which utilizes a feedback circuit to set its maximum level of the ramp.... | 03/07/1978 |
| 4074473 | Controlled thermal expansivity structure A controlled thermal expansivity structure whose length along a given axis of the structure and thermal expansivity in the direction of the axis, i.e. total change in length in response to a given temperature change, are independently adjustable in a mann... | 02/21/1978 |
| 4068238 | Elastic strain energy deployable helical antenna An elastic strain energy deployable helical antenna having a tubular resiliently flexible antenna element of relatively flat oval cross-section fixed at one end to a support and formed into a normally extended, resiliently compressible helix with the majo... | 01/10/1978 |
| 4051479 | ELF vertical dipole antenna suspended from aircraft A vertical dipole antenna for the ELF (extremely low frequency) range. The antenna provides a series resonant circuit consisting of an inductor and the distributed capacitance of the conductor such as a wire which may be carried by lighter-than-air craft.... | 09/27/1977 |
| 4050035 | Self-aligned polarized laser A laser of the type which generates linearly polarized light and including optical means for self-alignment. Among such polarized lasers are, for example, solid state lasers and particularly ruby lasers, as well as various gas lasers employing Brewster wi... | 09/20/1977 |
| 4034319 | Coupled bar microwave bandpass filter A microwave bandpass filter of the coupled bar type providing either an interdigital or combline structure. The filter consists of a plurality of resonator sections having two ground planes and a resonating bar integral with the structure and extending pe... | 07/05/1977 |
| 4026212 | Open chamber gas powered tool and gas generating charge therefor An open chamber gas powered tool and gas generating charge for the tool. The charge has a hollow open-ended plastic jacket of uniform noncircular cross-section from end to end containing a propellant, such as nitrocellulose, which may be electrically igni... | 05/31/1977 |
| 4021743 | Phase logic demodulator A demodulator for a biphase or quadriphase shift-keying system. The demodulator includes two AND gates for biphase demodulation. The AND gate is one which will provide an output signal if and only if the two input signals are in phase. Each of the AND gat... | 05/03/1977 |
| 4020461 | Method of and apparatus for transmitting and receiving coded digital signals A system for transmitting digital information such as audio or video over a lossy or dispersive medium. The digital information is of the type where certain bits are more important than others and hence the less important bits can suffer a greater bit err... | 04/26/1977 |
| 4015470 | Flow measuring method and apparatus Selected variables of a fluid flowing through a conduit are measured by transmitting acoustic pulses through the conduit wall and fluid stream along normal and oblique transmission paths between acoustic transducers located externally of the conduit, meas... | 04/05/1977 |
| 4014279 | Dynamic positioning system for a vessel containing an ocean thermal energy conversion system A dynamic positioning system for a sea-going vessel containing an ocean thermal energy conversion (OTEC) system utilizes the thrust produced by the sea water effluents resulting from the energy conversion process to position the vessel against wind and oc... | 03/29/1977 |
| 4014028 | Backfire bifilar helical antenna A bifilar helical antenna which will radiate or receive in the backfire mode. The antenna consists of two interlaced helixes fed at the tip. Each helix is fed by a transmission line with energy of equal amplitude but 180° out of phase. Optionally the hel... | 03/22/1977 |
| 3999912 | Means for molding fiber reinforced composite tube A fiber reinforced composite tube is molded by applying an annular, liquid-resin-impregnated layer of reinforcing fibers to a cylindrical mold or mandrel; placing in contact with the exposed surface of the fiber-resin layer a compression sleeve which is s... | 12/28/1976 |
| 3998173 | Stitched wire electrical structure and method of making same An electrical structure having a wire conductor secured to a supporting substrate is fabricated by stitching the substrate with a sewing machine using a wire as one sewing filament of the machine. The particular electrical structure described is a parabol... | 12/21/1976 |
| 3993399 | Universal holographic optics orientation assembly A holographic optics orientation assembly for a holographic recording unit having a laser holographic recording system for recording holograms of subjects situated within a holographic recording field of the recording system. The orientation assembly is a... | 11/23/1976 |
| 3987457 | Variable property wire mesh antenna structure A resiliently compliant, variable stiffness wire mesh structure, primarily for space applications, characterized by its lightweight construction, its compact stowage and deployment capability, and its ability to maintain its nominal shape under widely var... | 10/19/1976 |
| 3982248 | Compliant mesh structure for collapsible reflector A wire mesh structure, primarily for space applications, characterized by its lightweight, its compact stowage and deployment capability, and its ability to maintain its shape under widely varying thermal conditions. The structure has a frame supporting a... | 09/21/1976 |
| 3981072 | Bipolar transistor construction method A thick layer of silicon dioxide is grown on a semiconductive substrate and then etched to form an elongated opening that defines the outer boundaries of a diffused transistor. The thick silicon dioxide layer serves as a permanent fixed, diffusion mask. T... | 09/21/1976 |
| 3982114 | Signal processing system 1. A correlation system for two complex multifrequency input signals which may contain relatively strong narrow band components including the combination of: auto-correlator means responsive to one of the input signals, the auto-correlator means dividing ... | 09/21/1976 |
| 3978396 | Method and apparatus for measuring electromagnetic conductivity of a medium and for detecting anomalies therein There is disclosed a method and apparatus for measuring electromagnetic conductivity within a medium to thereby derive a measurement of the rate of propagation of a magnetic field therein. If one then measures the return time of a pulse transmitted in the... | 08/31/1976 |
| 3978489 | Tubular strain energy deployable linear element antenna with stitched wire conductors A relatively low frequency linear element antenna characterized by its lightweight construction, relatively wide band width, and elastic strain energy deployment capability. The antenna has a plurality of slender electrical conductors such as wires formin... | 08/31/1976 |
| 3973081 | Feedback residue compression for digital speech systems A digital speech compression system uses a predictive feedback loop. The digital speech signals are compressed within the feedback loop for reducing the transmitter bandwidth. The system comprises a first adder into which the digital signal is fed followe... | 08/03/1976 |
| 3970296 | Work holding clamp A work clamp for clamping a workpiece to a work table with a clamp member which extends and retracts to and from clamping position with a compound motion having components parallel to and normal to the table in a manner such that extensile movement of the... | 07/20/1976 |
| 3967306 | Asymmetrical well charge coupled device In a charge coupled device provided with a two-phase overlapping gate structure, charge flow directionality is built into the structure by forming an asymmetrical potential well beneath each gate electrode with a single offset mask. High packing density i... | 06/29/1976 |
| 3965441 | Parallel resonant circuit with feedback means for increasing Q In a parallel resonant circuit having an inductor connected in parallel with a capacitor, a sensing resistor is connected in series with the inductor to sense the current in the resonant circuit. The voltage drop across the sensing resistor is applied to ... | 06/22/1976 |
| 3964060 | Analog-to-digital converters utilizing gunn effect devices A parallel or serial analog-to-digital converter utilizing both Gunn effect devices and field effect transistors. The converters are based on a differential pair of amplifiers consisting of two or more Gunn effect devices, one of which is biased close to ... | 06/15/1976 |
| 3962567 | Digital display apparatus having jitter correction A digital speedometer, frequency or event counter with digital display. The speedometer conventionally receives speed pulses representative of the speed of the vehicle. Due to the lack of synchronization between speed pulses and clock pulses the last disp... | 06/08/1976 |
| 3962394 | Method for molding fiber reinforced composite tube A fiber reinforced composite tube is molded by applying an annular, liquid-resin-impregnated layer of reinforcing fibers to a cylindrical mold or mandrel; placing in contact with the exposed surface of the fiber-resin layer a compression sleeve which is s... | 06/08/1976 |
| 3961153 | Machine for fabricating a wire network A welding method and machine for fabricating a wire network by supporting a group of wires in spaced side by side relation, intermittently advancing the wire group endwise through a welding station, and following each advance of the wire group, supporting... | 06/01/1976 |
| 3958959 | Method of removing particles and fluids from a gas stream by charged droplets A method for the removal of particulate matter as well as noxious gases and vapors from a gas stream. This is accomplished by means of charged droplets having a size between 60 and 250 microns and preferably between 80 and 120 microns. The droplets are ge... | 05/25/1976 |
| 3952301 | Digital adaptive speed control for vehicles A sensor, such as a radar, is mounted on a moving vehicle equipped with a speed control system which normally maintains the vehicle speed constant at a pre-set speed in the absence of a preceding vehicle within a safe distance. The sensor detects the pres... | 04/20/1976 |
| 3950188 | Method of patterning polysilicon A semiconductor substrate is coated with an insulating film followed by a layer of polysilicon. The polysilicon layer is coated with a non-oxidizable mask, such as silicon nitride, and then oxidized to convert the exposed regions to silicon oxide and add ... | 04/13/1976 |
| 3949359 | Digital speed control The present invention relates to a digital system for maintaining the speed of a motor vehicle at a preselected speed. The desired speed of the vehicle is set into a digital memory bank and the instantaneous actual speed of the vehicle is determined by a ... | 04/06/1976 |
