Multiprocessor system
The object of the present invention is to provide a memory subsystem which enables not only efficient coherency control of caches, but also high-speed access to the main memories. According to a first... Read More
Inventors: Komuro, Hiroshi; Hayashi, Hiroo; Yamagami, Nobuhiko;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Home node migration for distributed shared memory systems
Our proposed solution to the problem involves 2 components: 1. A mechanism involving information maintained in network adapters and a protocol to enable migration. 2. Migration policies employing coun... Read More
Inventors: Baylor, Sandra Johnson; Ekanadham, Kattamuri; Jann, Joefon; Lim, Beng-Hong; Pattnaik, Pratap Chandra;, Assignee: International Business Machines Corporation (Armonk, NY) |
Read line buffer and signaling protocol for processor
Embodiments of the present invention control a read transaction for a processor. A request is generated on an external bus for data to be read to the processor. The requested data is read from the ext... Read More
Inventors: Hill, David L.; Prudvi, Chinna; Bachand, Derek T.; Fisch, Matthew A.;, Assignee: Intel Corporation (Santa Clara, CA) |
Method and apparatus for developing multiprocessor cache control protocols using a memory management system generating atomic probe commands and system data control response commands
What is claimed is: 1. A memory management system coupling a plurality of processors each processor having an associated cache, to each other and to a main memory, comprising: a system port configured... Read More
Inventors: Razdan, Rahul; Keller, James B.; Kessler, Richard E.;, Assignee: Compaq Information Technologies Group, L.P. (Houston, TX) |
System and method for shared memory protection in a multiprocessor computer
From the foregoing, it may be appreciated that a need has arisen for a system and method for shared memory protection in a multiprocessor computer that provides enhanced shared memory protection. In a... Read More
Inventors: McCracken, David E.; Christie, Allan James; Stuart Fiske, James A.;, Assignee: Silicon Graphics, Inc. (Mountianview, CA) |
Critical loads guided data prefetching
FIG. 2 shows a computer system 205 in accordance with the invention. Computer system 205 includes a computer 210, a monitor 215, a keyboard 220, and a mouse 225. Computer 210 includes hardware compon... Read More
Inventors: Ju, Dz-ching; Srinivasan, Srikanth T.; Wilkerson, Christopher B.;, Assignee: Intel Corporation (Santa Clara, CA) |
Microprocessor including virtual address branch prediction and current page register to provide page portion of virtual and physical fetch address
The problems outlined above are in large part solved by a microprocessor in accordance with the present invention. The microprocessor employs a branch prediction unit including a branch prediction sto... Read More
Inventors: Witt, David B.; Tran, Thang M.;, Assignee: Advanced Micro Devices, Inc. (Sunnyvale, CA) |
Speed optimal bit ordering in a cache memory
In the achievement of the foregoing objects, the inventors have devised a speed optimal bit ordering for a cache memory. Although the following description frequently references an instruction cache, ... Read More
Inventors: McBride, John G.; Ziemkowski, Ted B.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Memory controller and method of closing a page of system memory
A method and apparatus for performing a system memory read initiated by a bus master is described. The bus master initiates the read operation by asserting a first signal on a line of a system bus. Th... Read More
Inventors: Derr, Michael N.;, Assignee: Intel Corporation (Santa Clara, CA) |
Interleaved burst address counter with reduced delay between rising clock edge and burst address transfer to memory
FIG. 4 is a schematic diagram of a burst address sequencer 400 in accordance with one embodiment of the invention. Burst address sequencer 400 includes two-stage address registers 401-404, multiplexe... Read More
Inventors: Chu, Raymond M.; Pilling, David J.; Mick, John R.;, Assignee: Integrated Device Technology, Inc. (Santa Clara, CA) |
Digital mean clutter doppler compensation system
It is therefore an object of the present invention to provide an MTI that is less complex yet highly reliable in operation. Another object of the invention is to provide a digital MTI radar system tha... Read More
Inventors: Hsiao, James K.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Digital frequency divider suitable for a frequency synthesizer
OF THE INVENTION In FIG. 1, a two-modulus prescaler or counter 11 selects two frequency-division factors P and P+1 in response to the high and low levels, respectively, of a control signal applied ov... Read More
Inventors: Kikuchi, Hiroyuki; Iwata, Atsushi; Matsuura, Takashi; Shigeta, Yoshiharu;, Assignee: Nippon Telegraph & Telephone Public Corporation (JP); Nippon Electric Co., Ltd. (JP) |
Method and apparatus for signal detection, separation and suppression
The present invention relates to receiving systems and methods for suppressing a signal generally carrying both amplitude and exponent modulation in the presence of other relatively weaker signals an... Read More
Inventors: Baghdady, Elie J.;, Assignee: |
Measuring instrument
Therefore, the primary object of my invention is to provide a caliper gage adaptable for numerous purposes which is inexpensive, easy to manufacture, and easy to use. Another object of my invention is... Read More
Inventors: Brady, Thomas;, Assignee: |
Arbuzov reactions employing an aliphatic solvent
OF THE INVENTION The invention process disclosed herein is directed to the rearrangement of a phosphite to produce a phosphonate. The invention is also desirably directed to the rearrangement of tris... Read More
Inventors: Abramson, Alan; Weil, Edward D.;, Assignee: Stauffer Chemical Company (Westport, CT) |
Test device for the detection and analysis of material faults
There are claimed: 1. Test equipment for the detection and analysis of material faults in a test piece, comprising a test head, electrical remotely controlled manipulator means for moving said test he... Read More
Inventors: Ruthrof, Klaus; Meier, Rainer;, Assignee: Kraftwerk Union Aktiengesellschaft (Mulheim, DE) |
Ultrasonic microscope apparatus
Accordingly, a primary object of the present invention is to provide an ultrasonic microscope apparatus in which various operating conditions may be readily imposed on the integrated circuits under me... Read More
Inventors: Nagase, Masashi;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki, JP) |
Fluid flow meter
Referring first more particularly to FIGS. 1A-1C, it will be apparent that the velocity contour of a fluid, such as water, flowing in a partially filled pipe or conduit having a circular cross-sectio... Read More
Inventors: Marsh, Lawrence B.;, Assignee: Marsh-McBirney, Inc. (Gaithersburg, MD) |
Stabilization of silver halide emulsions
OF THE INVENTION The stabilizer system of at least two and preferably five ingredients used according to the present invention are generally added to the light-sensitive silver halide emulsion after ... Read More
Inventors: Beebe, George W.; Hine, Philip; O'Bryan, Nelson B.; Shor, Steven M.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Process and circuit arrangement for addressing the memories of a plurality of data processing units in a multiple line system
The solutions to the foregoing problems offered by the present invention reduce the time consumption and circuit complexity required for generating address and control signals and provide the capabili... Read More
Inventors: Stahle, Peter;, Assignee: Nixdorf Computer AG (Paderborn, DE) |
Photographic photosensitive materials
OF THE INVENTION The hydrocarbon group for R.sub.1 may be either straight-chained or branched chained, preferably straight-chained and preferably contains one carbon-to-carbon double bond. Examples o... Read More
Inventors: Yoneyama, Masakazu; Ino, Shoichi; Minamizono, Junji;, Assignee: Fuji Photo Film Co., Ltd. (Minami-ashigara, JP) |
Photosensitive composition for electrophotography having polyvinyl carbazole and silicone oil
The present invention was completed based on the knowledge that, when a silicone oil is incorporated as a sensitizing agent in a dispersion system comprising polyvinyl carbazole and a charge-generatin... Read More
Inventors: Tsutsumi, Masahiro; Nakazawa, Toru; Utsunomiya, Yasuharu;, Assignee: Mita Industrial Company, Ltd. (Osaka, JP) |
Ni-Cr-W alloys
What is claimed is: 1. A Ni-Cr-W alloy, which consists essentially of, by weight, 0.001 - 0.1% carbon, 0.05 - 0.7% titanium, niobium or a mixture thereof, 18 - 25% chromium and 16 - 22% tungsten, the ... Read More
Inventors: Watanabe, Rikizo; Chiba, Yoshitaka;, Assignee: Hitachi Metals, Ltd. (JA) |
Organic electrophotosensitive materials for migration imaging processes
In accord with the present invention, a group of materials has been discovered which are useful in electrophoretic migration imaging processes. To the best of our knowledge, none of said materials hav... Read More
Inventors: Webster, Frank G.; Regan, Michael T.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Silver halide color photographic material
OF THE INVENTION In the silver halide color photographic material of the present invention, in order to accomplish the objects of the present invention, it is necessary that a magenta coupler represe... Read More
Inventors: Katoh, Katsunori; Kawakatsu, Satoshi; Masuda, Kosaku; Miyagi, Kaoru; Nakayama, Noritaka; Kimura, Toshihiko;, Assignee: Konishiroku Photo Industry Co., Ltd. (JP) |
Silver halide photographic light sensitive materials
Accordingly, one object of the present invention is to provide silver halide photographic light-sensitive materials having high sensitivity, low fog and excellent graininess. Another object of the pre... Read More
Inventors: Takada, Shunji; Ohshima, Naoto; Ishimaru, Shingo;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Tablet press related instrumentation for use in development and control of formulations of pharmaceutical granulations
It is, therefore, a principle objective of this invention to provide a method and means of providing and carrying out the aforementioned desirable aspects leading to the development of improved pharma... Read More
Inventors: Stiel, Donald Melvyn; Browski, Charles Robert; Neugroschel, Eric; Williams, Joseph James;, Assignee: Hoffmann-La Roche Inc. (Nutley, NJ) |
Boresight adjustment for a harmonic oscillator coordinate converter
In accordance with the present invention, electronic apparatus is described for transforming a vector through a corrected angle from one coordinate system to another where an angle is measured with re... Read More
Inventors: Morrison, Steven; Dorman, William J.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Digital video line delay circuit
There is described herein with reference to the accompanying drawings a delay technique employing shift registers coupled between the multi-bit digital output of the analog digital converter and the s... Read More
Inventors: Feilchenfeld, Michal M.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Control for remote control wiring system
I claim: 1. In a remote control wiring system which includes a low voltage wiring subsystem incorporating a plurality of relays for controlling higher voltage load circuits, the improvement wherein sa... Read More
Inventors: Ferrigno, Jr., William L.;, Assignee: General Electric Company (New York, NY) |