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| Number | Title | Issue Date |
| 5220280 | Method and an apparatus for testing the assembly of a plurality of electrical components on a substrate In the present invention a method of testing a partially completely assembled module with integrated circuit dies mounted thereon is disclosed. The partially-completely assembled module has one or more first locations with integrated circuit dies mounted ... | 06/15/1993 |
| 5185602 | Method and apparatus for producing perception of high quality grayscale shading on digitally commanded displays The perception of grayscale shading on a digitally commanded display is produced by commanding pixels of the display with brightness-setting signals of differing average duty cycles. Brightness-setting signals having one brightness level associated with t... | 02/09/1993 |
| 5184020 | Device and method for photoactivation A device comprising a light source, a sample holder and a temperature control chamber. The sample holder supports the vessels in a fixed relationship relative to the light source. The temperature control chamber surrounds the sample holder and vessels, so... | 02/02/1993 |
| 5124991 | Error correction for infrared data communication The present invention is for a method for correcting errors in received data during transmission of infrared radiation from a transmitter to a receiver without retransmitting entire packets. The method includes the steps of detecting an error in received ... | 06/23/1992 |
| 5124998 | Laser plasma tube having a window sealed end and a mirror sealed end A sealed laser plasma tube for use in a gas laser system. A Brewster window seals one end of the tube (the cathode end, in a preferred embodiment), and an end mirror which seals the opposite tube end (the anode end, in a preferred embodiment). In a laser ... | 06/23/1992 |
| 5109524 | Digital processor with a four part data register for storing data before and after data conversion and data calculations A digital processor has a controller, a data converter, a data register, and a logarithmic calculator. The processor has an address bus and a data bus for communication therewith. The address bus is connected to the controller. The data bus is connected t... | 04/28/1992 |
| 5101415 | Laser resonator mirror with wavelength selective coatings on two surfaces An improved laser mirror (22) is disclosed with wavelength selective coatings on the inner and outer surfaces (32) and (34) thereof. The coating on the inner surface (32) is reflective of light in a first wavelength region (36) and transmissive of light i... | 03/31/1992 |
| 5099505 | Method for increasing the accuracy of a radiation therapy apparatus Disclosed is a method for increasing the accuracy of images obtained in radiation therapy apparatus, such as a computed tomography simulator which employs an image intensifier and a photodiode detector for converting light from the image intensifier to el... | 03/24/1992 |
| 5099101 | Laser trimming system for semiconductor integrated circuit chip packages An automatic laser trimming apparatus (30) for semiconductor integrated chip packages removes dambars (16) and performs deflashing and degating operations. The apparatus combines a laser machining subsystem (32, 36) with a machine vision subsystem (38, 40... | 03/24/1992 |
| 5097491 | Modular gray code counter A Gray Code counter is provided having synchronous, modular circuits for each of the three types of bit positions, i.e., least significant bit ("LSB"), most significant bit ("MSB") and middle bit ("MB"). One LSB and MSB circuit each are used with as many ... | 03/17/1992 |
| 5091328 | Method of late programming MOS devices Method for late programming of MOS integrated circuit devices. A second or third level conductive layer is used as a device selection mask for transporting dopant from a doped gate (formed from a first level conductive layer) into the channel region of se... | 02/25/1992 |
| 5091327 | Fabrication of a high density stacked gate EPROM split cell with bit line reach-through and interruption immunity A method for fabricating a split-gate EPROM cell utilizing stacked etch techniques is provided. In accordance with a preferred embodiment of the method, a layer of silicon dioxide is formed on a P- silicon substrate. A layer of polysilicon is formed on th... | 02/25/1992 |
| 5091091 | Protein A perfusion and post perfusion drug infusion Disclosed is extracorporeal plasma perfusion over a therapeutic immobilized protein A (staphylococcal), SPA. The perfused plasma is returned to the host or can be taken off one person and used to treat another and stored in perfused plasma banks. Immobili... | 02/25/1992 |
| 5090789 | Laser light show device and method A laser light show device and method produces a surface projected or suspended holographic image, and includes multiple image projectors. One image projector provides the object image information representing the primary subject. For surface projections, ... | 02/25/1992 |
| 5091975 | Method and an apparatus for electronically compressing a transaction with a human signature In the present invention a method of compressing a signature signal is disclosed. The signature signal is divided into a plurality of signature segment signals where each segment is encoded by using a modified ring-encoding method, such that the total num... | 02/25/1992 |
| 5089979 | Apparatus for digital calibration of detachable transducers The present invention is for digital calibration of plug-in transducers and the like. The invention comprises means for digitally storing error-correcting tables in a physical location which is associated with the transducer, and a means for interpreting ... | 02/18/1992 |
| 5089704 | Wide angle ceiling mounted passive infrared intrusion detection system A ceiling mounted infrared intrusion detection system achieves 360-degree viewing capability by employing concentric rings of mirrors arranged to view multiple segments within an annular volume of space and focus on a centrally located detector. The rings... | 02/18/1992 |
| 5083492 | Guitar tremolo system The invention relates to a guitar tremolo system, a tremolo unit being received in a recess in the body of the guitar, a base block which has string riders being maintained with provision for horizontal pivoting and balanced by tension springs. Multi-subd... | 01/28/1992 |
| 5080093 | Intermittant signal actuated nebulizer A self-contained, high capacity nebulizer, having automatic mixing and temperature control features is provided. The nebulizer may be adapted for use in conjunction with mechanical respirators, ventilators, or breathing machines, and for this purpose will... | 01/14/1992 |
| 5080518 | Decorative earrings with animal shapes An earring device comprises an ornamental element bearing means from which at least two thin ornamental elements are hung. These ornamental elements are thin cross-sectional (x,y -axes) depictions of animals, which when arranged on the bearing means, prov... | 01/14/1992 |
| 5079772 | Mode-locked laser using non-linear self-focusing element A passively mode-locked laser (110) is disclosed that includes a resonant cavity (112, 114) having a gain medium (116) therein. A transmissive element (116), which may be the gain medium, is also located in the cavity and is formed from a material which v... | 01/07/1992 |
| 5078842 | Process for removing radioactive burden from spent nuclear reactor decontamination solutions using electrochemical ion exchange Spent nuclear reactor coolant system decontamination solutions are processed to remove the radioactive burden and to separate metallic impurities using ion exchange resins within an electrochemical cell. The application of electric current to the electroc... | 01/07/1992 |
| 5078491 | Apparatus for measuring the mode quality of a laser beam A method and apparatus for determining the quality of a multimode laser beam (10). In the preferred embodiment, the apparatus includes a lens (32) for creating a transformed or imaged waist from the input beam. The location of the transformed beam waist a... | 01/07/1992 |
| 5078718 | Multi-part method and apparatus for removing pre-placed prosthetic joints and preparing for their replacement A method and apparatus for removing a pre-placed prosthetic joint from a bone cavity and conditioning the cavity for receipt of a replacement joint. The pre-placed joint is first pulled from the mantle of hardened cement holding it within the cavity, thus... | 01/07/1992 |
| 5077830 | Method and apparatus to selectively address recipients and recover missing messages on a broadcast distribution network The present invention includes a method and apparatus for broadcast distribution of messages and information. Included within the present invention are means for selectively broadcasting messages to specified locales. Further, only the appropriate receive... | 12/31/1991 |
| 5076735 | Welded wire component gabions and method of making the same and construction soil reinforced retaining walls therefrom Gabions are constructed of welded wire gridworks comprised of integrally joined planar panels disposed in angle relationship to one another. The gridworks are secured together to define a three-dimensional volume therebetween. In one embodiment the gabion... | 12/31/1991 |
| 5074203 | Coring apparatus An apparatus for severing fragments (such as fleurettes) from a one-piece core of an article, such as a cauliflower, as the article is translated between stations along a process path. In a preferred embodiment, the article is translated through a sequenc... | 12/24/1991 |
| 5075808 | Retaining clamp for a disc storage apparatus In the present invention, an improved retaining member for a disc drive is disclosed. The disc drive has a spindle with a plurality of data storage discs mounted on the spindle. The retaining member is in the shape of a ring with a central hole and a plur... | 12/24/1991 |
| 5074669 | Method and apparatus for evaluating ion implant dosage levels in semiconductors An apparatus (10) designed to evaluate ion implantation levels in semiconductor samples (42) is disclosed. The device includes an intensity modulated pump laser beam (22) and a probe beam (62) having a different wavelength than the pump beam. The two lase... | 12/24/1991 |
| 5074014 | Tarp fastener An improved tarp fastener is disclosed. The fastener comprises a button and a roughly hair-pin shaped wire retainer, the apical segment is bent out of the plane of the retainer so that the apical segment is spaced sufficiently apart from button to accommo... | 12/24/1991 |
| 5073007 | Diffractive optical element There is disclosed a diffractive optical element and a method to produce same wherein the element comprises a base and at least one phase zone comprising an arbitrary multiplicity M of steps of generally identical step height, wherein M is not a power of ... | 12/17/1991 |
| 5070634 | Left-handed slide catch A modified slide catch is disclosed for standard semi-automatic pistols which can be operated by both right-handed and left-handed users.... | 12/10/1991 |
| 5072447 | Pattern injector A pattern injector for testing stations in a data communications network and the physical link between them. The pattern injector replaces normal characters in a normal, unmodified stream with injection characters. The pattern injector includes a multiple... | 12/10/1991 |
| 5071428 | Method and apparatus for providing intrapericardial access and inserting intrapericardial electrodes Intrapericardial access is provided by clamping the wall of the pericardium between elongate jaw elements carrying axially aligned tubular guides and passing a guide wire through the guides and the pericardial tissue therebetween. In the preferred embodim... | 12/10/1991 |
| 5070670 | Roof panel attachment system A roof panel attachment system is disclosed herein. The invention includes a roof substrate and a rigid roof panel or a plurality of such panels. The roof substrate is attached to the roof panels and the roof panels are attached to one another utilizing d... | 12/10/1991 |
| 5070527 | Time dependant, variable amplitude threshold output circuit for frequency variant and frequency invarient signal discrimination An audio compression system wherein the compression theshold may be adjusted to a calibrated level. The audio compression system is utilizable in a receiver system whereinan audio input signal received by the receiver system via a communications channel i... | 12/03/1991 |
| 5069527 | Apparatus for measuring the mode quality of a laser beam A method and apparatus for determining the quality of a multimode laser beam (10). In the preferred embodiment, the apparatus includes a lens (32) for creating a transformed or imaged waist from the input beam. The location of the transformed beam waist a... | 12/03/1991 |
| 5067805 | Confocal scanning optical microscope An improved real-time confocal scanning microscope, and an improved perforated disk for use in such microscope. A preferred embodiment of the inventive microscope includes a polarizing beamsplitting cube and a rotatable Nipkow disk perforted with a hexago... | 11/26/1991 |
| 5067108 | Single transistor non-volatile electrically alterable semiconductor memory device with a re-crystallized floating gate A single transistor electrically programmable and erasable memory cell has a substrate of a semiconductor material of a first-conductivity type. Within the substrate are defined source and drain, regions with a channel region therebetween. A first insulat... | 11/19/1991 |
| 5065459 | Disposable portable urinal A disposable portable urinal for males comprising a collapsible cylindrical collar having the perimeter of one end sealably attached to a receptacle for deposit of fluilds therein. The collar has handle tabs attached to its exterior surface to facilitate ... | 11/19/1991 |
