Griffin; Roland I., Haggard; Alan H. - US Patent Attorneys and Agents

Attorney: Griffin; Roland I., Haggard; Alan H.

Number of patents: 34
Last date: November 01, 1994

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Number	Title	Issue Date
5361351	System and method for supporting run-time data type identification of objects within a computer program The present invention is directed to computer software compilation systems and methods which support run-time data type identification of objects in computer programming languages which support polymorphism. The present invention comprises translators, co...	11/01/1994
5280613	ANDF installer using the HPcode-Plus compiler intermediate language A computer software compiler system and method for distributing a machine independent computer program, created on a native computer platform, to heterogeneous target computer platforms. The system comprises installer components which exist on heterogeneo...	01/18/1994
5278985	Software method for implementing dismissible instructions on a computer A method for operating a digital computer in response to the occurrence of an exception is disclosed. The method provides for the examination both of the contents of a predetermined computer location and of the instruction code for the instruction causing...	01/11/1994
5276881	ANDF producer using the HPcode-Plus compiler intermediate language A computer software compiler system and method for distributing a machine independent computer program, created on a native computer platform, to heterogeneous target computer platforms. The system comprises a producer which receives the machine independe...	01/04/1994
5266036	Reduction of radio frequency emissions through terminating geometrically induced transmission lines in computer products Radio frequency emissions within a computer system having a printed circuit assembly in proximity of a metal surface are reduced by the placement of one or more lossy components electrically connected to a metal plane within the printed circuit assembly. ...	11/30/1993
5235586	Computer system utilizing compact intelligent disks A computer system comprising a removable optical disk having active circuitry thereon and a disk player is disclosed. The optical disk includes a storage medium for storing data on one side and active circuitry for processing the data on the other side. T...	08/10/1993
5218605	Software modules for testing computer hardware and software A computer software-related device and method uses regression testing techniques for testing computer hardware and/or software application(s). Input data and commands from a user are stored, and are sent to a hardware/software system under test. Signature...	06/08/1993
5202994	System and method for shadowing and re-mapping reserved memory in a microcomputer A system and method for managing the reserved memory in a microcomputer copies selected portions of reserved memory to a new reserved memory having a faster access time, and allows any free portions of the new reserved memory to be accessed by a typical s...	04/13/1993
5197146	Method for maintaining cache coherence in a multiprocessor computer system A method is provided for maintaining cache coherence in a multiprocessor computer system having a potential for duplication of data in a plurality of storage location, where there is cache associated with each processor by storing a processor address and ...	03/23/1993
5157782	System and method for testing computer hardware and software A computer related system and method uses regression testing techniques for testing computer hardware and/or software application(s). Input data and commands from a user are stored on a host, and sent to an interface device, which then sends them to a har...	10/20/1992
5155828	Computing system with a cache memory and an additional look-aside cache memory A computing system includes a processor, a system memory containing data utilized by the processor and two cache memories. Each cache memory is connected directly to the processor. A first cache memory is connected to the processor and to the system memor...	10/13/1992
5155832	Method to increase performance in a multi-level cache system by the use of forced cache misses A computing system includes a processor, a system memory containing data utilized by the processor and two cache memories. Each cache memory is connected directly to the processor. A first cache memory is connected to the processor. A second cache memory ...	10/13/1992
5153886	Visual display signal processing system and method A computer hardware-related device and method is used for regression testing techniques involving the testing of computer hardware and/or software application(s). Input data is received from a host, and is directed to software application(s) on a System U...	10/06/1992
5151994	Distributed fair arbitration system using separate grant and request lines for providing access to data communication bus A method for arbitrating access by a plurality of agents to a bus utilizes a priority access list. Each agent in the plurality of agents has a position on the priority access list. This position indicates the agent's relative priority level of access to t...	09/29/1992
5133072	Method for improved code generation in reduced instruction set computers A method for efficient generation of complied code is presented. In order to gain significant performance advantage with a minimum of code expansion, out-of-line code sequences are used. An out-of-line code sequence is a series of instructions that are in...	07/21/1992
5132973	Testable embedded RAM arrays for bus transaction buffering A system for testing a RAM array bus transaction buffer without halting system operation or using a special protocol, including a RAM control selection circuit for providing to the RAM either a set of normal control, data and address signals or diagnostic...	07/21/1992
5127014	Dram on-chip error correction/detection Error detection or correction is provided on the same chip as DRAM memory. Because data and error correction bits need not travel on an external bus, error detection/correction can be conducted on a larger number of bits than the width of the data bus. Wh...	06/30/1992
5126723	Keyboard-mounted cursor position controller A keyboard mounted, hand-operable input device for controlling the movement of a marker on a computer display is described and includes a tray which is elongated along a first axis, has right and left closed ends and is mounted for translational movement ...	06/30/1992
5091851	Fast multiple-word accesses from a multi-way set-associative cache memory A multi-way set-associative cache memory stores data in a plurality of random access memories. Data in the multi-way set-associative cache memory is organized in lines of data. The multi-way set-associative cache memory allows access of single words and a...	02/25/1992
5060137	Explicit instructions for control of translation lookaside buffers Explicit instructions are provided that enable software to directly control insertion of information into a translation lookaside buffer (TLB). A first pair of instructions enable information to be inserted into a data TLB and a second pair of instruction...	10/22/1991
5056091	Method for handling errors detected in a computer system A quick freeze method and a clean freeze method allow for the halting of operation of all computing sections within a computing system upon detection of an error. In the quick freeze method, a first computing section detecting an error immediately halts o...	10/08/1991
5055061	Circuit card guide A card guide for positioning a circuit card relative to a backplane is disclosed. The card guide provides electrical contacts to a ground plane on the circuit card in addition to positioning the card. The card guide utilizes two types of protuberances to ...	10/08/1991
5051895	Apparatus and method for tracking and identifying printed circuit assemblies A method and apparatus for tracking and identifying printed circuit assemblies is presented. Information about each printed circuit assembly (PCA), including the current revision level of the PCA is stored within a non-volatile random access memory (RAM) ...	09/24/1991
5029133	VLSI chip having improved test access An improved integrated circuit chip design which is better adapted to testing using existing circuit testers is disclosed. The chip includes a parallel load instruction which reduces the number of words of tester memory needed to load the internal scan re...	07/02/1991
5028809	Computer bus structure permitting replacement of modules during operation A computer bus structure is provided which permits replacement of removable modules during operation of a computer wherein means are provided to precharge signal output lines to within a predetermined range prior to the usage of the signal output lines to...	07/02/1991
5020586	Air-cooled heat exchanger for electronic circuit modules Apparatus for cooling an electronic circuit module includes a heat sink in thermal contact with the circuit module and a device for directing cooling gas at the heat sink. The heat sink includes multiple fins defining channels between them, a base having ...	06/04/1991
5003505	Touchscreen/keyboard scanner A computing system controlling is presented which controls input from both a keyboard and a touchscreen. Photo detectors placed in rows and columns along the edge of the touchscreen detect light beams directed across a surface on the touchscreen. The touc...	03/26/1991
4985639	Logic edge timing generation An edge generation circuit phase delays pulses of a first signal propagated on an integrated circuit. The edge generation circuit includes a first variable delay circuit located on the integrated circuit, a delay line located off the integrated circuit an...	01/15/1991
4961013	Apparatus for generation of scan control signals for initialization and diagnosis of circuitry in a computer A scan testable circuit in a computer system is controlled by using a single scan clock and a fixed delay circuit to realize the required scan clocks and a required scan mode enable signal. The multiple signals are generated from a subset of signals suppl...	10/02/1990
4953080	Object management facility for maintaining data in a computer system A computer having a file management system is presented. The file management system includes a plurality of application programs, a plurality of data files, a plurality of class data structures and a plurality of object data structures. Each class data st...	08/28/1990
4953084	Method and apparatus using variable ranges to support symbolic debugging of optimized code A system uses variable ranges to support symbolic debugging of optimized code. A debug symbol table is constructed which includes descriptions of each user resource in source code. Additionally, a range table is constructed. The range table contains, for ...	08/28/1990
4947364	Method in a computing system for performing a multiplication In a computing system a method for performing a multiplication of a first multiplicand and a second multiplicand is presented. The computing system includes a plurality of registers, an instruction decoder, an arithmetic logic unit, and a preshifter. The ...	08/07/1990
4928239	Cache memory with variable fetch and replacement schemes An instruction is presented to the cache; the instruction includes a cache control specifier which identifies a type of data being requested. Based on the cache control specifier, one of a plurality of replacement schemes is selected for swapping a data b...	05/22/1990
4928093	Cursor control mechanism A hand-controlled mechanism is described for producing signals to move the position of a cursor in a computer display. The mechanism includes a shaft with an elongated axis. A plurality of conductors are wrapped around the shaft and a cylindrical member i...	05/22/1990

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Attorney: Griffin; Roland I., Haggard; Alan H.