Assignee: Unisys Corp.

Location: Detroit, MI
No. of patents: 57

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Number	Title	Issue Date
5221830	Method of ordering displayed document images in an image based document processing system A method which provides for controlling the ordering of document images in an image based document processing system so as to minimize the likelihood of an operator making an incorrect entry. In a particular preferred embodiment, transactions comprised of...	06/22/1993
5196993	Removable stand alone display for laptop computer A portable computer having a base housing and a removable display pivotably mounted thereon, the display being removable from the base housing to be made free-standing on pivotable support feet, while having a removable electrical cable to the base housin...	03/23/1993
5171606	Method of coating an optical media Methods for rendering a recording medium for use with a recording laser beam providing light of a given energy and frequency, where the medium is characterized by a light-reflecting structure with a light-absorbing record layer thereon and a sealing overc...	12/15/1992
5162646	Radiation-controlled filter with photoconductor means and feedback thereto Embodiments disclose an adjustable filter (cf voltage-controlled bandwidth) having photoconductors whose resistance is adjusted by variable-intensity radiation source means, with a related feedback loop to compensate for thermal changes....	11/10/1992
5155776	Filtering illumination for image lift Arrangement for lifting image of checks, with Xenon lamp, Fluorescent lamp or like source of stable-wavelength-output and CCPD Camera means selected to exhibit "close-to-human" spectral response plus a photopic filter, disposed upstream of the Camera and ...	10/13/1992
5143787	Method of coating a carbon coated magnetic recording medium surface with a fluoropolymer lubricant Magnetic recording media wherein the record surface is coated with an isocyanate lubricant (and, preferably, a supercoat of like lubricant), such lubrication being adapted to inhibit spin-off and like depletion, despite frequent head-contact, while exhibi...	09/01/1992
5120944	Image-based document processing system providing enhanced workstation balancing An image-based transaction processing system which captures and stores images of debit and credit transaction documents, while also extracting document data for storage in a computer data base. The computer processes the extracted document data to identif...	06/09/1992
5119497	Enclosure for computer control unit Computer apparatus with modular components, adapted to be used/replaced on a common base mount; a motherboard, with some number N of connect-receptacles thereon; a deck superposed to form a plenum above the motherboard and characterized by N like aperture...	06/02/1992
5103084	Adjustable radiation-controlled filter with voltage controlled bandwidth Embodiments disclose an adjustable filter (cf voltage-controlled bandwidth) having photoconductors whose resistance is adjusted by variable-intensity radiation source means, with a related feedback loop to compensate for thermal changes....	04/07/1992
5091900	Multi-layer optical media for an optical recording and reproducing system in which non-ablative data recording is provided in a manner such that high sensitivity is achieved with an in-contact overcoat A novel optical media is provided for use in an optical recording and reproducing system. The optical media comprises a tuned multilayer optical structure employing an archival thin film absorber having a relatively high melting point, such as gold, along...	02/25/1992
5070423	High-performance actuator array for disk drive with unitary actuator guide means Disclosed are reciprocating carriage arms carried on roll bearings engaged on guide rails, where the arms are independently driven, having common "shared" magnet means. The coil-mounting portion of each arm is "twisted" 90° so the set of coil units align...	12/03/1991
5068782	Accessing control with predetermined priority based on a feedback arrangement Accessing control means and methods are provided for controlling the granting of access by a plurality of requestors to a commonly shared unit on a predetermined priority basis. An addressable programmed memory, such as a ROM, is programmed to provide a p...	11/26/1991
5068912	Track gauges for aligning and focussing the imaging system in a high speed document handling system A set of track gauges for use in aligning, focussing and normalizing an imaging system of a high speed document processor have been provided. Each of the gauges fit within a track (14) in front of the imaging system (10 or 12). The depth gauge (70) is use...	11/26/1991
5067037	Slider with boss Salient embodiments comprise a magnetic recording slider whose record-confronting face is characterized by two or three rails wherein stiction forces are counteracted by provision of piezo-electric boss means on one or several rails, or therebetween....	11/19/1991
5047874	Technique for certifying disk recording surface Techniques for certifying recording sites (bit sites) on magnetic recording disks wherein test recording patterns are recorded along disk tracks: first in an analog mode, then in a digital mode; concluding in a full digital test that simulates customer op...	09/10/1991
5037710	Anti-spin-off coating for disc records Magnetic recording media wherein the record surface is coated with an isocyanate lubricant (and, preferably, a supercoat of like lubricant), such lubrication being adapted to inhibit spin-off and like depletion, despite frequent head-contact, while exhibi...	08/06/1991
5034828	Slider with piezo-boss Salient embodiments comprise a magnetic recording slider whose record-confronting face is characterized by two or three rails wherein stiction forces are counter-acted by provision of piezo-electric boss means on one or several rails, or therebetween....	07/23/1991
5032776	Attenuation filter Disclosed is a disk drive servo system including a "switched-capacitor" digital filter means adapted to attenuate resonant vibration and enhance system stability and position loop control....	07/16/1991
5027702	Print drum with alignment marks Print drums are described wherein a special "alignment character" is placed, along with print-symbols, on the surface of the print drum, mixed-in with at least one of the character sets....	07/02/1991
5027233	Method for determining servo position data in a disk drive Shown is a disk drive arrangement with servo-mechanism for controlling (thin-film) head position, etc.; the servo having a disk face dedicated to servo tracks, rendered in "Quad" code, with special timing indicia to separate position indicia, with positio...	06/25/1991
5025327	Magnetic disk write precompensation method and apparatus which takes into account variations in head/disk characteristics Write precompensation data is recorded on a disk of a magnetic disk drive indicating the write compensation to be provided for each of a plurality of head/media combination which may have relatively wide variations in performance characteristics. Apparatu...	06/18/1991
5021676	Document-skew detection with photosensors Disclosed are Power Encoder means for imprinting MICR characters on checks, with optical check-sensing means disposed along a check-transport path, including optical skew-sensor means including a pair of area-photo-sensor means, one on each side of the ch...	06/04/1991
5010641	Method of making multilayer printed circuit board A method of making a multilayer printed circuit board providing sufficient internal distributed capacitance so as to eliminate the need for the by-pass capacitor conventionally provided in the vicinity of each integrated circuit mounted to the board. The ...	04/30/1991
5010482	Multi-event mechanism for queuing happened events for a large data processing system A mechanism for queuing a set of happened events in order of their occurrence and allowing for multiple occurrences to result in multiple processing iterations which mechanism maintains a multi-event table which is really a table of multi-event designatio...	04/23/1991
5008129	Methods of fabricating optical records with overcoating For an optical data storage system employing a data-modulated writing laser beam, optical media are described which include a highly reflective aluminum layer, a relatively transparent polymer spacer layer overlying the reflective layer and an optical abs...	04/16/1991
5006959	Cooling of circuit boards Embodiments disclose modular elements of a control system wherein units are arranged in a single integrated array, with plug-in units packaged in like modules, and cooled in common, along with a motherboard....	04/09/1991
5003189	Document-imaging illumination with fibre-optic intensity-adjust A check Sorter-Imager-Processor with two (or more) imaging sites, each lit by a beam through a fibre-optic array--with a lens focusing the beam on each array such that a shift in lens-focus reduces output light from the array,--the two sites being thus "m...	03/26/1991
4995028	Coated media for optical recording, with soft/hard overcoat For an optical data storage system employing a data-modulated writing laser beam, optical media are described which include a highly reflective aluminum layer, a relatively transparent polymer spacer layer overlying the reflective layer and an optical abs...	02/19/1991
4993802	Randomizing optical converter for illumination beam and method utilizing same An optical array including a source projecting spectral light onto the input-aperture of a fibre-optic bundle, the bundle's exit-aperture outputting a rectangular beam with fibres "random-laid" and spread-along the exit-aperture to make this rectangular b...	02/19/1991
4989103	Adjustment of position slope for disk drive servo using half-track point In a disk drive servo, position slope is adjusted automatically, by referencing on the amplitude of position signals at the "half-track point"....	01/29/1991
4988305	High density connectors A connector is disclosed for coupling pins on a printed circuit board to respective mating pins on a gate-array or like plug-in device; the connector is characterized by "floating ring" engagers based within, and adapted to resiliently coupled a pair of s...	01/29/1991
4986490	Film supply and threading mechanism An improved photographic film supply and threading mechanism which enables a person to prepare a document record camera 44,45 for use without having to feed the film 36 through a complex system of guides and rollers 38, 42 within the body of the camera wh...	01/22/1991
4958351	High capacity multiple-disk storage method and apparatus having unusually high fault tolerance level and high bandpass A multiplicity of independently operating disk drive subsystems are coupled to a read/write interface containing error circuitry and data organizer circuitry. The data organizer circuitry organizes read/write data for read/write communication with the dis...	09/18/1990
4941656	Sheet handling mechanism A sheet handling mechanism adapted to receive processed documents (e.g., from a printer) in a holding receptacle secured within a machine which can either "dump" them or be shifted to present them to a user automatically when the user manipulates the acce...	07/17/1990
4868734	Variable rate improvement of disc cache subsystem An improved input/output subsystem allowing data transfers between the input/output subsystem and an input/output controller along a subsystem input/output bus to occur at a data transfer rate established by the transfer rate of the processor bus connecte...	09/19/1989
4825984	Visco-elastic couple for magnet actuator A voice-coil linear actuator is embodied wherein the coil-driving structure is coupled to the driven structure (carriage) via a visco-elastic couple member (e.g., elastomeric bonding tape) that changes from an efficient motion-transmitter, at "operating" ...	05/02/1989
4827162	Controlled drag for magnet actuator A disk drive actuator including automatic eddy-current braking capability, enhanced by simple modifications of coil-mount structure, such as split damping ring DR and spaced-rib array, this array shown for example in FIG. 12 (see DR-R)....	05/02/1989
4823215	Flexible disk pack module with improved Delta-pak stiffeners A flexible disk pack having a pair of floppy end plates. The end plates are adapted to assume a Delta or tapered shape when they are rotated with the record pack. Each of the end plates is formed of at least two stacks of contiguous flexible disks separat...	04/18/1989
4818854	Ticket vending machine An automatic ticket handling machine AT adapted for use as a ticket vending station, presenting a display screen D, a telephone receiver-speaker unit TEL and a credit card reader unit CR, etc. Within machine AT is a sheet handling mechanism adapted to receive ...	04/04/1989
4815016	High speed logical circuit simulator An apparatus and method are provided for automatically converting a bottom-up software representation of a logical circuit design, such as created by a computer aided design (CAD) system, into a behavioral software representation which can be simulated at...	03/21/1989

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Assignee: Unisys Corp.