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| Number | Title | Issue Date |
| 5272293 | Rolamite acceleration sensor A rolamite acceleration sensor which has a failsafe feature including a housing, a pair of rollers, a tension band wrapped in an S shaped fashion around the rollers, wherein the band has a force-generation cut out and a failsafe cut out or weak portion. T... | 12/21/1993 |
| 5262395 | Superconducting active impedance converter A transimpedance amplifier for use with high temperature superconducting, other superconducting, and conventional semiconductor allows for appropriate signal amplification and impedance matching to processing electronics. The amplifier incorporates the su... | 11/16/1993 |
| 5258990 | Visible light surface emitting semiconductor laser A vertical-cavity surface-emitting laser is disclosed comprising a laser cavity sandwiched between two distributed Bragg reflectors. The laser cavity comprises a pair of spacer layers surrounding one or more active, optically emitting quantum-well layers ... | 11/02/1993 |
| 5235248 | Method and split cavity oscillator/modulator to generate pulsed particle beams and electromagnetic fields A compact device called the split cavity modulator whose self-generated oscillating electromagnetic field converts a steady particle beam into a modulated particle beam. The particle beam experiences both signs of the oscillating electric field during the... | 08/10/1993 |
| 5225368 | Method of producing strained-layer semiconductor devices via subsurface-patterning A method is described for patterning subsurface features in a semiconductor device, wherein the semiconductor device includes an internal strained layer. The method comprises creating a pattern of semiconductor material over the semiconductor device, the ... | 07/06/1993 |
| 5226131 | Sequencing and fan-out mechanism for causing a set of at least two sequential instructions to be performed in a dataflow processing computer A sequencing and data fanout mechanism is provided for a dataflow processor is activated by an input token which causes a sequence of operations to occur by initiating a first instruction to act on data contained within the token and then executing a sequ... | 07/06/1993 |
| 5201215 | Method for simultaneous measurement of mass loading and fluid property changes using a quartz crystal microbalance A method, using a quartz crystal microbalance, to obtain simultaneous measurement of solid mass accumulation and changes in liquid density-viscosity product. The simultaneous real-time measurements of electrical parameters yields that changes in surface m... | 04/13/1993 |
| 5198716 | Micro-machined resonator A micro-machined resonator, typically quartz, with upper and lower micro-machinable support members, or covers, having etched wells which may be lined with conductive electrode material, between the support members is a quartz resonator having an energy t... | 03/30/1993 |
| 5193909 | Quantitative method for measuring heat flux emitted from a cryogenic object The present invention is a quantitative method for measuring the total heat flux, and of deriving the total power dissipation, of a heat-fluxing object which includes the steps of placing an electrical noise-emitting heat-fluxing object in a liquid helium... | 03/16/1993 |
| 5177352 | Integrated optical tamper sensor with planar waveguide A monolithic optical tamper sensor, comprising an optical emitter and detector, connected by an optical waveguide and placed into the critical entry plane of an enclosed sensitive region, the tamper sensor having a myriad of scraps of a material optically... | 01/05/1993 |
| 5173595 | Method and apparatus for reading free falling dosimeter punchcodes A punchcode reader is provided for reading data encoded in a punchcode hole array on a dosimeter. The dosimeter falls through a passage in the reader containing photosensor detectors disposed along the passage which provide output signals to a microproces... | 12/22/1992 |
| 5171981 | Fiber-optic voltage sensor with cladded fiber and evanescent wave variation detection A fiber optic voltage sensor is described which includes a source of light, a reference fiber for receiving a known percentage of the light and an electrostrictive element having terminals across which is applied, a voltage to be measured. The electrostri... | 12/15/1992 |
| 5171399 | Reflection mass spectrometry technique for monitoring and controlling composition during molecular beam epitaxy A method for on-line accurate monitoring and precise control of molecular beam epitaxial growth of Groups III-III-V or Groups III-V-V layers in an advanced semiconductor device incorporates reflection mass spectrometry. The reflection mass spectrometry is... | 12/15/1992 |
| 5167724 | Planar photovoltaic solar concentrator module A planar photovoltaic concentrator module for producing an electrical signal from incident solar radiation includes an electrically insulating housing having a front wall, an opposing back wall and a hollow interior. A solar cell having electrical termina... | 12/01/1992 |
| 5132248 | Direct write with microelectronic circuit fabrication In a process for deposition of material onto a substrate, for example, the deposition of metals or dielectrics onto a semiconductor laser, the material is deposited by providing a colloidal suspension of the material and directly writing the suspension on... | 07/21/1992 |
| 5125321 | Apparatus for and method of operating a cylindrical pulsed induction mass launcher An electromagnetic cylindrical projectile mass launcher and a method of operation is provided which includes a cylindrical projectile having a conducting armature, a cylindrical barrel in which the armature is received, a plurality of electromagnetic driv... | 06/30/1992 |
| 5117146 | Acoustic wave device using plate modes with surface-parallel displacement Solid-state acoustic sensors for monitoring conditions at a surface immersed in a liquid and for monitoring concentrations of species in a liquid and for monitoring electrical properties of a liquid are formed by placing interdigital input and output tran... | 05/26/1992 |
| 5102825 | Method of making an ion-implanted planar-buried-heterostructure diode laser Planar-buried-heterostructure, graded-index, separate-confinement-heterostructure semiconductor diode laser 10 includes a single quantum well or multi-quantum well active stripe 12 disposed between a p-type compositionally graded Group III-V cladding leve... | 04/07/1992 |
| 5076094 | Dual output acoustic wave sensor for molecular identification A method of identification and quantification of absorbed chemical species by measuring changes in both the velocity and the attenuation of an acoustic wave traveling through a thin film into which the chemical species is sorbed. The dual output response ... | 12/31/1991 |
| 5072371 | Method for simultaneous overlapped communications between neighboring processors in a multiple A parallel computing system and method having improved performance where a program is concurrently run on a plurality of nodes for reducing total processing time, each node having a processor, a memory, and a predetermined number of communication channels... | 12/10/1991 |
| 5067820 | Radionuclide calorimeter system A circuit for measuring temperature differentials in a calorimeter is disclosed. The temperature differential between the reference element and sample element containing a radioactive material is measured via a wheatstone bridge arrangement of thermistors... | 11/26/1991 |
| 5065205 | Long wavelength, high gain InAsSb strained-layer superlattice photoconductive detectors A high gain photoconductive device for 8 to 12 μm wavelength radiation including an active semiconductor region extending from a substrate to an exposed face, the region comprising a strained-layer superlattice of alternating layers of two different InAs... | 11/12/1991 |
| 5059785 | Backscattering spectrometry device for identifying unknown elements present in a workpiece A backscattering spectrometry method and device for identifying and quantifying impurities in a workpiece during processing and manufacturing of that workpiece. While the workpiece is implanted with an ion beam, that same ion beam backscatters resulting f... | 10/22/1991 |
| 5060282 | Optical pattern recognition architecture implementing the mean-square error correlation algorithm An optical architecture implementing the mean-square error correlation algorithm, MSE=Σ[I-R]2 for discriminating the presence of a reference image R in an input image scene I by computing the mean-square-error between a time-varying reference ... | 10/22/1991 |
| 5055890 | Nonvolatile semiconductor memory having three dimension charge confinement A layered semiconductor device with a nonvolatile three dimensional memory comprises a storage channel which stores charge carriers. Charge carriers flow laterally through the storage channel from a source to a drain. Isolation material, either a Schottky... | 10/08/1991 |
| 5054028 | Feedback stabilization system for pulsed single longitudinal mode tunable lasers A feedback stabilization system for pulse single longitudinal mode tunable lasers having an excited laser medium contained within an adjustable length cavity and producing a laser beam through the use of an internal dispersive element, including detection... | 10/01/1991 |
| 5048038 | Ion-implanted planar-buried-heterostructure diode laser A Planar-Buried-Heterostructure, Graded-Index, Separate-Confinement-Heterostructure semiconductor diode laser 10 includes a single quantum well or multi-quantum well active stripe 12 disposed between a p-type compositionally graded Group III-V cladding la... | 09/10/1991 |
| 5032717 | Remote control for anode-cathode adjustment An apparatus for remotely adjusting the anode-cathode gap in a pulse power machine has an electric motor located within a hollow cathode inside the vacuum chamber of the pulse power machine. Input information for controlling the motor for adjusting the an... | 07/16/1991 |
| 5032435 | UV absorption control of thin film growth A system for monitoring and controlling the rate of growth of thin films in an atmosphere of reactant gases measures the UV absorbance of the atmosphere and calculates the partial pressure of the gases. The flow of reactant gases is controlled in response... | 07/16/1991 |
| 4978893 | Laser-triggered vacuum switch A laser-triggered vacuum switch has a material such as a alkali metal halide on the cathode electrode for thermally activated field emission of electrons and ions upon interaction with a laser beam, the material being in contact with the cathode with a su... | 12/18/1990 |
| 4977596 | Cryptographic synchronization recovery by measuring randomness of decrypted data The invention relates to synchronization of encrypted data communication systems and a method which looks for any lack of pattern or intelligent information in the received data and triggers a resynchronization signal based thereon. If the encrypter/decry... | 12/11/1990 |
| 4976266 | Methods of in vivo radiation measurement Methods of and apparatus for in vivo radiation measurements relay on a MOSFET dosimeter of high radiation sensitivity with operates in both the passive mode to provide an integrated dose detector and active mode to provide an irradiation rate detector. A ... | 12/11/1990 |
| 4949389 | Optical ranked-order filtering using threshold decomposition A hybrid optical/electronic system performs median filtering and related ranked-order operations using threshold decomposition to encode the image. Threshold decomposition transforms the nonlinear neighborhood ranking operation into a linear space-invaria... | 08/14/1990 |
