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| Number | Title | Issue Date |
| 5765041 | System for triggering direct memory access transfer of data between memories if there is sufficient data for efficient transmission depending on read write pointers Data is transferred from a host system to a subsystem connected to the host by a system bus in an efficient manner using one or more virtual first in first out (FIFO) registers in host memory and a corresponding set of virtual FIFOs located in the subsyst... | 06/09/1998 |
| 5745780 | Method and apparatus for source lookup within a central processing unit A method and apparatus for looking up source matches in a central processing unit (CPU) is utilized to identify dependencies between instructions that have been renamed via buffer renaming techniques. In such instances, when a particular instruction's sou... | 04/28/1998 |
| 5740071 | Method and apparatus for selective shape adjustment of hierarchical designs A schematic modifier editor that works in concert with a shapes modifier editor so that changes to a design layout are reflected in the schematic. The shapes modifier editor tracks the changes made to the cell hierarchy and saves the changes to a list fil... | 04/14/1998 |
| 5734900 | Information handling system including efficient power on initialization An information handling system includes one or more processing units, a data management unit, connected to the processor data bus, to a memory system, and to a I/O bus, an address management unit, connected to the processor address bus, to the memory syst... | 03/31/1998 |
| 5717853 | Information handling system having router including first mode for configuring itself, second mode for configuring its connected devices and third mode for system operation A distributed information handling system includes one or more processing units, a memory system including one or more memory modules, one or more routers, one or more terminal devices an N port switch which connects selected processing units to selected ... | 02/10/1998 |
| 5709805 | Method for producing multi-layer circuit board and resulting article of manufacture A method for producing a panel of a multi-layer electronic circuit package and resulting article of manufacture is provided comprising the steps of coating a circuitized core material that has been cut into panels with a dielectric material and copper cov... | 01/20/1998 |
| 5710917 | Method for deriving data mappings and data aliases This invention describes a computer application system and method for automatically deriving data mappings by processing stored data mappings. Derived data mappings are system generated data mappings. The system comprises a plurality of stored data mappin... | 01/20/1998 |
| 5708811 | System and method for lazy loading of shared libraries Lazy loading of executable library objects reduces operating system overhead and memory commitment requirements by postponing object loading until object references are expected. Initial task loading allocates only the main executable and library objects ... | 01/13/1998 |
| 5687329 | Information handling system including a data bus management unit, an address management unit for isolating processor buses from I/O and memory An information handling system includes one or more processing units, a data bus management unit, connected to the processor data bus, to a memory system, and to an I/O bus, an address management unit, connected to the processor address bus, to the memory... | 11/11/1997 |
| 5671442 | System having device driver operates in first mode for allowing concurrent access to adapter by applications and second mode for limiting access to one application A data processing system gives an application running on the operating system exclusive ownership of a hardware device. The system is operable in two modes. In the first mode the application interacts with the hardware device by making use of the processi... | 09/23/1997 |
| 5245508 | Close card cooling method The invention provides increased surface contact area for circuit board heat removal, without exposing the circuit board components to the coolant fluid. This is accomplished by compressing a heat conductive flexible membrane between adjacent circuit boar... | 09/14/1993 |
| 5241664 | Multiprocessor system A cache coherency system and method which switches the data consistency maintenance protocol used for a given piece of shared data at each private cache, automatically depending upon the likelihood or frequency that the processor having the private cache ... | 08/31/1993 |
| 4891811 | Efficient address test for large memories A memory may contain a large number of bytes of data perhaps as many as 256 megabytes in a typical large memory structure. An error correcting code algorithm may be used to identify failing memory modules in a memory system. In a particular embodiment, a ... | 01/02/1990 |
| 4888707 | Object collision detection method and apparatus A collision detection system with less computation time and higher performance is provided. The shortest distance between the surface of one object and the surface of another at the beginning or end of a period to be checked is compared with the sum of th... | 12/19/1989 |
| 4870599 | Traversal method for a graphics display system A method for traversal of primitives in a graphics display system includes calculating pick data for a predetermined primitive, testing the primitive for invisibility, exiting to a next graphics order if the invisibility step is positive, testing the prim... | 09/26/1989 |
| 4870406 | High resolution graphics display adapter A display adapter for displaying graphics data in pixel form on a high resolution display monitor includes a digital signal processor for managing adapter resources and controlling coordinate transformations, a system storage which is divided into a first... | 09/26/1989 |
| 4864486 | Plank and frame transformer A transformer structure includes two planar primary windings in a single plane with one primary winding on each leg of a core. The primary windings are connected in series or in parallel. The secondary structure includes a planar conductor structure about... | 09/05/1989 |
| 4858149 | Method and system for solid modelling A method of generating a spatial representation of a 3-D solid object, which includes component shapes, which can be defined by transforming constructive solid geometry primitives includes the steps of, setting up a structure, to define the object in term... | 08/15/1989 |
| 4847605 | Picking in a graphics system A method is described for improving the responsiveness and accuracy of a graphics system to user-initiated picking actions. In this method, the visual cueing and pick window positioning components of the graphics system tracking/picking function are tempo... | 07/11/1989 |
| 4837845 | Method for rotating a binary image The present invention deals with rotating an n×n block of bits through an angle of +90 degrees or -90 degrees by a method including the steps of: storing the data in a matrix; separating the matrix into groups of bits of rotatable size; transposing first... | 06/06/1989 |
| 4819185 | Method and apparatus for drawing wide lines in a raster graphics display system A technique for efficiently drawing wide lines in a graphics display system by method and apparatus which includes identifying a wide line to be drawn; drawing a first line of pixels of a wide line; determining if a next line in the wide line has a differ... | 04/04/1989 |
| 4811241 | Clipping of fixed character strings in a graphics system A method for clipping fixed characters against one or more clipping boundaries for display in a graphics display system, includes the steps of: storing fixed characters to be displayed; defining a window in a first coordinate space against which said char... | 03/07/1989 |
| 4805117 | Method for controlling concatenation of transformation matrices in a graphics display system In graphics display systems the use of matrix concatenation for coordinate transformation, occasionally, will cause an overflow which may represent an out-of-bounds location of a data element. To correct the overflow problem, a number of translation shift... | 02/14/1989 |
| 4805116 | Interpolated display characteristic value generator Method and apparatus for providing interpolated display characteristic values, such as intensity or Z value, for pels within a polygon to be displayed by a computer graphics display system. A scanning sequence generates pel addresses such that each pel ad... | 02/14/1989 |
| 4769780 | High speed multiplier A high speed multiplier includes a logic circuit for performing multiplication a multiplicand stored in a first resister and a multiplier stored in a second register, which includes means connected to the second register for selectively gating a selected ... | 09/06/1988 |
| 4766532 | Sequential array logic A programmable, sequential logic array for performing logical operations within a memory array, including an input storage array having addressable locations for storing input control words, input means for receiving a plurality of input signals and contr... | 08/23/1988 |
| 4758965 | Polygon fill processor Method and apparatus for filling convex polygons for display in a raster graphics system is described. Starting from the bottom of the polygon, horizontal lines are drawn to fill the polygon as y-value increments. A polygon-fill processor includes two mod... | 07/19/1988 |
| 4737906 | Multiple virtual control unit A channel interface multiple virtual control unit controls a plurality of classes of terminal sessions on a graphics system workstation, the multiple virtual control unit includes lookup tables having indicia related to a class of display session to be en... | 04/12/1988 |
| 4731842 | Security module for an electronic funds transfer system A security module for use in an electronic funds transfer terminal is contained in a tamper-resistant housing. The module has a PIN pad and is designed to encrypt secret data, such as users personal identity numbers (PINs), so that other terminal processe... | 03/15/1988 |
| 4699469 | Liquid crystal display A high content LCD includes, a glass plate; a polysilicon deposited substrate supporting a matrix of electrodes; each of the electrodes defining a picture element (pel) in the LCD; a liquid crystal material interposed between the glass plate and the subst... | 10/13/1987 |
| 4636946 | Method and apparatus for grouping asynchronous recording operations The disclosure relates to demotion of data to a backing store (disk storage apparatus--DASD) from a random access cache in a peripheral data storage system. A cache replacement control list, such as a least recently used (LRU) list is scanned in a soon-to... | 01/13/1987 |
| 4636948 | Method for controlling execution of application programs written in high level program language A method for executing application programs written in a high level program language on tightly coupled multiprocessor systems in a Multiple Instruction/Multiple Data (MIMD) environment includes the steps of: initializing a MIMD environment in a data proc... | 01/13/1987 |
| 4633387 | Load balancing in a multiunit system In a multiunit data processing system, such as a multicontrol unit peripheral data storage system, a least busy one of the units requests work to be done from a busier unit. The busier unit, a work sending unit, supplies work to the work requesting or lea... | 12/30/1986 |
| 4587629 | Random address memory with fast clear A technique and apparatus for augmenting a random access memory with a fast clear or reset mechanism are described. A dynamic RAM having a fast clear mechanism in accordance with the present invention includes means for coupling a digital signal onto all ... | 05/06/1986 |
| 4577187 | Display workstation A display workstation comprising a display monitor including an image display device mounted on a base by a mechanism permitting adjustment of the angle of tilt of the image display device, the tilt mechanism including a pair of support members upstanding... | 03/18/1986 |
| 4539506 | Red-emitting superlinear phosphor In a red-emitting phosphor which includes ZnSe as a host material, copper (Cu) as an activator and aluminum (Al) as a coactivator, the improvement comprising the inclusion of a small amount of cobalt (Co) to provide superlinear characteristics to said pho... | 09/03/1985 |
| 4491762 | Flat storage CRT and projection display A flat storage cathode ray tube with enhanced brightness is described. A mesh collector and a dielectric storage site array form an integral part of a silicon wafer. The silicon wafer includes thereon an addressable array of field effect transistors havin... | 01/01/1985 |
| 4488782 | Electrolytic display device employing metal ion catalysis An electrolytic display device, specifically an electrochromic display based on viologen, employs metal ions in solution to catalyse the reduction of display material at the display electrodes. The metal ions are deposited faster than the display material... | 12/18/1984 |
| 4488174 | Method for eliminating motion induced flicker in a video image In an image processing system, a method is shown for efficiently transmitting data representing picture information in fields subsequent to a first field and for suppressing motion induced flicker in the processed image. Using previously processed first f... | 12/11/1984 |
| 4468732 | Automated logical file design system with reduced data base redundancy An associative file design method and apparatus are used for automatically generating an integrated data base design structure, with minimal data redundancy, for use in multi-application general purpose digital computing systems. The integrated data base ... | 08/28/1984 |
