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Patent # Description
US-5,247,648 Maintaining data coherency between a central cache, an I/O cache and a memory
An I/O write back cache memory and a data coherency method is provided to a computer system having a cache and a main memory. The data coherency method includes...
US-D339,573 Peripheral tape drive housing
US-5,245,702 Method and apparatus for providing shared off-screen memory
A method for allowing direct graphics access to backup storage areas in frame buffer memory used for retained windows and controlled by a graphics accelerator...
US-5,244,772 Silver halide emulsion with scratch abrasion resistance
The present invention features a negative-type, silver halide photographic emulsion containing hydrazides that has reduced scratch sensitivity (i.e., the...
US-5,243,697 Method and apparatus for selecting button functions and retaining selected options on a display
A graphical user interface method wherein a user can retain frequently used menus on the display screen in an intuitive manner. A computer system is coupled to a...
US-D339,040 Head and shaft for a combination tool
US-5,241,062 Synthetic route to meso-tetra hydrocarbyl or substituted hydrocarbyl porphyrins and derivatives
The hydroxyl group in a pyrrolic compound having in the 2-position thereof a group having the formula R(OH)CH--R is hydrocarbyl or substituted hydrocarbyl, is...
US-5,239,651 Method of and apparatus for arbitration based on the availability of resources
A method and apparatus for arbitrating among multiple requested data transfers based on the availability of transfer resources. A request for the control of a...
US-5,237,680 Method for incremental rename propagation between hierarchical file name spaces
A rename tracking and propagation facility propagates renames, executed in multiple isolated file system name spaces (FSNS), to a remote FSNS on a per object...
US-5,237,650 Method and apparatus for spatial anti-aliased depth cueing
A computer graphics system comprising apparatus for drawing quadrilateral images on an output display when furnished the vertices of the quadrilateral, apparatus...
US-5,235,539 Method and apparatus for generating carry out signals
A circuit for determining the carry out from the addition of two numbers independent of the determination of the sum of the two numbers including apparatus for...
US-5,233,650 Telephone support device
A telephone handset support device comprising a resilient headband provided with earpads for engaging the ears of the use, and a clip detachably attached to one...
US-D337,769 Cassette tape winder
US-5,230,063 Method and apparatus for selecting button function and retaining selected optics on a display
The invention is an object-oriented graphic interface for use in computer controlled display systems. A central processing unit (CPU) is provided and is coupled...
US-5,228,955 High strength coke oven wall having gas flues therein
An improved coke oven wall constructed for refractory brick and having generally vertically extending gas flues formed therein employs different shaped brick to...
US-D337,452 Compact disc storage rack
US-5,227,565 Dimerization and/or dehydrogenation of alkanes
Barium peroxide oxidizer, together with a transition metal from Group I, III, IV, V, VII or VIII or compound thereof is used as stoichiometric reagent in the...
US-5,226,138 Method for selectively transferring data instructions to a cache memory
A cache controller is coupled between a central processing unit (CPU) and a memory management unit (MMU). The MMU is coupled to main memory, and the cache...
US-5,224,062 Method and apparatus for fast implementation of inverse discrete cosine transform in a digital image processing...
In a digital image processing system, a CPU and a memory is provided to an image signal processing subsystem for computing the output vector of an inverse...
US-5,223,674 Locking standoff for circuit boards
The present invention pertains to standoff devices used to hold a circuit board a fixed distance from a mounting surface such as another circuit board. The...
US-5,223,552 Treatment of process air stream from rapid cooling of polyurethane foam
A method and apparatus for the continuous production of flexible open cell polyurethane foam, where a process air stream is drawn through the interior of the...
US-5,223,250 Visibly transparent UV sunblock cosmetic compositions
Cosmetically acceptable physical sunscreens which remain visibly transparent upon the skin while remaining capable of absorbing substantial UV radiation. A first...
US-5,222,222 Apparatus and method for a space saving translation lookaside buffer for content addressable memory
A method and apparatus for saving memory space in a buffer whereby the valid bit in the entry of the translation lookaside buffer for a cache memory is collapsed...
US-5,221,699 Aqueous printing fluid
Printing fluid for printing cellulosic materials comprising (a) water; (b) a cationic polyaminoamide/epichlorohydrin resin; (c) a water soluble cationic dye; and...
US-5,221,464 Process for catalytically reforming a hydrocarbon feed in the gasoline boiling range
Supports for catalytic reforming catalysts are prepared by doping ZrO.sub.2 with tantalum. The catalyst may contain a Group VII or Group VIII metal and/or an...
US-5,220,293 High reliability phase-locked loop
A high reliability phase-locked loop (PLL) is disclosed having a hyperactivity detection and correction circuit (HDC) to oversee the oscillator and the phase and...
US-5,220,080 Chromia on metal oxide catalysts for the oxidation of methane to methanol
A process for the direct catalytic oxidation of methane to methanol comprises chromium chemically bound to the oxygen of a metal oxide catalytic support surface....
US-5,218,903 Press dampening system
A dampening system has a pan for containing dampening fluid, and transfer and metering rollers for bringing dampening fluid up out of the pan. A transition...
US-5,218,302 Interface for coupling an analyzer to a distributorless ignition system
An interface for coupling an engine analyzer to an engine having a distributorless ignition system includes a pair of pickup clamps for coupling signals from...
US-5,216,580 Optimized integral heat pipe and electronic circuit module arrangement
An optimized integral heat pipe and electronic circuit module arrangement is described. A ceramic multi-chip module bearing electronic circuit components has...
US-5,214,780 Synchronized journaling system
In the system of the present invention, an event driven journaling mechanism which is not dependent on the timing of execution of processes is implemented....
US-5,214,765 Method and apparatus for executing floating point instructions utilizing complimentary floating point pipeline...
A primary, a secondary, and a tertiary cache, and a floating point pipeline having optimized complimentary characteristics are provided to a computer system for...
US-5,214,017 Solid-acid alkylation catalyst compositions for alkylation processes
New catalyst compositions comprise sulfated and calcined mixtures of (1) a support comprising an oxide or hydroxide of a Group IV-A element, (2) an oxide or...
US-5,213,950 Pre-bake printing plate composition
An aqueous composition useful for the protection of actinic light-exposed presensitized lithographic printing plates. The composition comprises an effective...
US-5,212,971 Fuel tank plug structure
A fuel tank plug structure has a cap assembly provided with a cap member and a push button combination lock, a fixing plate including a lever for cooperating...
US-5,212,300 Cyano- and polycyanometallo-porphyrins as catalysts for alkane oxidation
New compositions of matter comprising cyano-substituted metal complexes of porphyrins are catalysts for the oxidation of alkanes. The metal is iron, chromium,...
US-5,212,136 Solid-acid alkylation catalyst compositions for alkylation processes
New catalyst compositions comprise sulfated and calcined mixtures of (1) a support comprising an oxide or hydroxide of a Group IV-A element, (2) an oxide or...
US-5,211,996 Spider-like decorative object
A spider-like decorative structure comprising a main bag member having a filling therein, and made of flexible material. A plurality of elongated bag-like...
US-5,210,839 Method and apparatus for providing a memory address from a computer instruction using a mask register
A method and apparatus are provided for enabling a computer that is capable of running programs utilizing different address sizes to run those programs without...
US-5,210,838 Method and apparatus for predicting the effective addresses of future memory load operations in a microprocessor
A method and apparatus for loading a data value for a future LOAD instruction in a microprocessor by predicting the LOAD instruction's effective address. At each...
US-5,208,764 Method for optimizing automatic place and route layout for full scan circuits
A computer integrated circuit arrangement including flip-flop circuits, buffers, and combinatorial circuit elements in which the flip-flop circuits are arranged...
US-5,208,011 Ultraviolet resistant sunscreen compositions
A sunscreen composition for leaving a protective film on skin, comprising a UVB light absorbing sunscreen, a polymer vehicle, an oil-soluble solubilizer, and...
US-5,204,836 Method and apparatus for implementing redundancy in parallel memory structures
An apparatus and method are disclosed for switching the arrays of parallel memory data structures upon the detection of defects in a memory storage device. To...
US-5,203,074 Simm extraction tool
An extraction tool that provides for easy removal of a SIMM from a connector while preventing damage to the SIMM and the connector. The extraction tool is...
US-5,202,993 Method and apparatus for cost-based heuristic instruction scheduling
A method and apparatus for cost based heuristic instruction scheduling for a pipelined processor is disclosed which has particular application to compile time...
US-5,202,982 Method and apparatus for the naming of database component files to avoid duplication of files
In the method and apparatus of the present invention a file to be added to the database is given a unique name that is dependent upon the contents of the file...
US-5,201,030 Method and apparatus for dithering graphic images
The distance between the intensity value of the base value (that is, the closest quantized intensity value less than the input intensity value) and the input...
US-5,195,089 Apparatus and method for a synchronous, high speed, packet-switched bus
A high speed, synchronous, packet-switched inter-chip bus apparatus and method for transferring data between multiple system buses and a cache controller. In the...
US-5,192,143 Quick connect modular unit retainer assembly with damping
A quick connect modular unit retainer assembly for easily installing or removing a modular unit such as a disk drive in a computer housing. Threaded inserts...
US-5,191,541 Method and apparatus to improve static path analysis of digital circuits
The method of the present invention includes steps wherein a circuit designer, using standard computer assisted design (CAD) tools, designs a circuit which may...
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