Pulse shaping FM demodular with low noise where capacitor charge starts on input signal edge
It is an object of the invention to mitigate these problems in a simple manner by providing a receiver with a simple integrable pulse count FM demodulator, which produces a significantly lower noise l... Read More
Inventors: Sempel, Adrianus; Van Nieuwenburg, Johannes;, Assignee: U.S. Philips Corporation (New York, NY) |
Method communication system and phone for systematic encoding and computationally efficient decoding for minimizing error propagation
OF A PREFERRED EMBODIMENT The present invention in part utilizes a hexacode-based Golay decoder to provide error correction over the communications channel. The hexacode-based Golay decoder is based ... Read More
Inventors: Classon, Brian Keith;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Encoding/decoding system for coherent signal interference reduction
The present invention provides an apparatus for reducing coherent signal interference between at least two bit streams framed with a common clock signal. The apparatus generates a local clock signal f... Read More
Inventors: Zalud, Peter; Schepps, Jonathan; Evans, Robert; Lin, Min-Long;, Assignee: Sarnoff Corporation (Princeton, NJ); Secom Company, LTD (Mitaka, JP) |
Lower tie plate debris catcher for a nuclear reactor
The present invention provides a lower tie plate assembly including a debris catcher forming part of a grid. The grid has lower and upper portions, the lower portion serving to catch debris above a pr... Read More
Inventors: Johansson, Eric B.; Elkins, Robert B.; Matzner, Bruce; Latter, Gerald M.; Proebstle, Richard A.;, Assignee: General Electric Company (Schenectady, NY) |
Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
Generally speaking in accordance with the present invention an adaptive filter is provided which can dynamically adapt itself to the NTSC spectrum and hence pick out the NTSC interference which is the... Read More
Inventors: Ghosh, Monisha;, Assignee: Philips Electronics North America Corporation (New York, NY) |
Efficient utilization of present state/next state registers
FIG. 1 shows an illustrative embodiment of the invention in a communication system such as a digital cellular telephone, modem, satellite communication system, or digital video communication system. ... Read More
Inventors: Blaker, David M.; Diamondstein, Marc S.; Ellard, Gregory S.; Mobin, Mohammad S.; Sam, Homayoon; Thierbach, Mark E.;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Efficient address generation for convolutional interleaving using a minimal amount of memory
To achieve the foregoing and other objects and in accordance with the purpose of the present invention, a convolutional interleaving process utilizes an addressing scheme which enables the amount of m... Read More
Inventors: Tong, Po;, Assignee: Amati Communications Corporation (San Jose, CA) |
Viterbi decoding method and viterbi decoding circuit
An object of the present invention is to reduce the error rate in convolutional decoding without performing a large number of repeated traces. The invented method of decoding a convolutional code havi... Read More
Inventors: Iwata, Jun; Abe, Masami;, Assignee: OKI Electric Industry Co., Ltd. (Tokyo, JP) |
Chase iteration processing for decoding input data
OF THE INVENTION The invention in one embodiment encompasses a method for determining an overall Chase decoding result for a series of Chase iterations for decoding input data. There is performed a p... Read More
Inventors: Classon, Brian Keith;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Digital supervisory audio tone detector
The present invention provides a method and apparatus for rapidly checking a first code, such as a received DSAT code, to determine if the code is a valid code, even when there are bit errors in the r... Read More
Inventors: Boyer, Brian E.; Dedier, Stephen T.; Paulos, John F.; Smith, Gregory S.; Warner, II, Charles L.;, Assignee: Matsushita Communication Industrial Corporation of America (Peachtree City, GA) |
Method and system for estimating an input data sequence based on an output data sequence and hard disk drive incorporating same
Accordingly, a need has arisen for an improved system and method for estimating an input data sequence based on an output data sequence and hard disk drive incorporating same. The present invention pr... Read More
Inventors: Feygin, Gennady; Staszewski, Robert B.; Combes, Michel;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Viterbi decoding apparatus and Viterbi decoding method
In view of the foregoing, an object of this invention is to provide a Viterbi decoding apparatus and a Viterbi decoding method capable of improving the decoding accuracy and increasing the decoding sp... Read More
Inventors: Hatakeyama, Izumi; Naito, Masahiko;, Assignee: Sony Corporation (Tokyo, JP) |
Magnetic bubble memory device
We claim: 1. A magnetic bubble memory device comprising: a bubble supporting layer in which a bubble of cylindrical magnetic domain is held and propagated; a first ion-implanted region formed in a sur... Read More
Inventors: Suzuki, Ryo; Sugita, Yutaka; Kodama, Naoki; Takeshita, Masatoshi; Takeuchi, Teruaki;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Global qualitative flow-path modeling for local state determination in simulation and analysis
The invention provides a method of explicit global modeling that is compatible with local modeling, discrete simulation and analysis. The invention disentangles the important global system power trans... Read More
Inventors: Malin, Jane T.; Fleming, Land D.;, Assignee: The United States of America as represented by the Administrator of the (Washington, DC) |
Multiple simultaneous laser-reference control system for construction equipment
OF THE PREFERRED EMODIMENTS FIG. 1 illustrates a multiple-laser elevation-reference system embodiment of the present invention, and is referred to herein by the general reference numeral 10. A plural... Read More
Inventors: Maynard, Kurtis L.; Janky, James M.;, Assignee: Trimble Navigation Limited (Sunnyvale, CA) |
Safety device more particularly for rabbet of door
The object of the present invention is to obviate dangers to which children and domestic animals are frequently exposed. According to the present invention a bellows formed of a plurality of articulat... Read More
Inventors: Ippolito, Marceau;, Assignee: |
Resisting entry of an object into a space between the hinged edge of a door member hingedly attached to a associated jamb member and a surface of the jamb member
What is claimed is: 1. A device for resisting entry of an object into a space between the hinged edge of a door member hingedly attached to an associated jamb member and a surface of said jamb member,... Read More
Inventors: Roach, James F.; Roach, Kevin V.;, Assignee: |
Safety attachment for hinged side of doors
According to the present invention, a protective device for preventing injury by shielding body parts, particularly the fingers, from getting caught in either the front face or rear face gap at the hi... Read More
Inventors: Albenda, Abraham;, Assignee: |
Sectional doors and compressible flexible hinge assemblies
OF THE INVENTION By way of illustrating and providing a better appreciation of the present invention and attendant advantages thereof, the following detailed description is given concerning the upwar... Read More
Inventors: Leist, Alan R.; Youtsey, Thomas E.;, Assignee: Clopay Corporation (Cincinnati, OH) |
Garage door construction
OF THE PREFERRED EMBODIMENTS For a better understanding of the present invention, reference may be had to the following detailed description taken in conjunction with the appended claims and accompan... Read More
Inventors: Kendall, William F.;, Assignee: Raynor Garage Doors (Dixon, IL) |
Editing HTML DOM elements in web browsers with non-visual capabilities
The present invention provides a method, program and apparatus for the rendering an image area in an electronic document by means of a non-visual browser. The invention comprises parsing a web page an... Read More
Inventors: Harris, Elliott Woodard;, Assignee: International Business Machines Corporation (Armonk, NY) |
On-line file system correction within a clustered processing system
There is provided, in accordance with the present invention, a method for repairing file system damage following the failure of a processing node within a clustered UNIX file system, the clustered fil... Read More
Inventors: Fish, Robert W.; Schroeder, Lawrence J.;, Assignee: NCR Corporation (Dayton, OH) |
Filing folder tab having readable information
OF THE INVENTION While this invention may be embodied in many different forms, there are described in detail herein specific preferred embodiments of the invention. This description is an exemplifica... Read More
Inventors: Schneider, Eric D.;, Assignee: Wild File, Inc. (Plymouth, MN) |
Parallel computing system for volumetric modeling, data processing and visualization volumetric
Accordingly, it is a primary object of the present invention to provide a method and apparatus for parallel computing, in which a sequence of data elements represented in three-dimensional (3-D) Carte... Read More
Inventors: Bakalash, Reuven;, Assignee: |
Fault tolerant disk array system for allocating auxillary disks in place of faulty disks
The present invention provides a disk array system that selects an optimal access mode depending on an amount of data sent from an upper-level system and performs writing. The disk array system of the... Read More
Inventors: Morita, Hirofumi;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Method for detecting failure in redundant controllers using a private LUN
The present invention solves the above and other problems, and thereby advances the useful arts, by providing methods and associated apparatus for detecting failure and switching over between redundan... Read More
Inventors: DeKoning, Rodney A.; Fredin, Gerald J.; Binford, Charles D.;, Assignee: LSI Logic Corporation (Milpitas, CA) |
Updating and reading data and parity blocks in a shared disk system
To overcome the limitations in the prior art described above, preferred embodiments of the present invention disclose a system for updating data at a data block. A first processing unit receives updat... Read More
Inventors: Menon, Jaishankar Moothedath;, Assignee: International Business Machines Corporation (Armonk, NY) |
Multiple level undo/redo mechanism
In accordance with a first aspect of the present invention, a method is practiced in a data processing system having memory means and at least one processor that is responsive to user commands. In thi... Read More
Inventors: Nakajima, Satoshi;, Assignee: Microsoft Corporation (Redmond, WA) |
Block mode, multiple access multi-media/graphics memory
It is therefore an object of the present invention to provide an efficient use of a wide data path within the memory chip. It is another object of the invention to provide a solution to the bandwidth ... Read More
Inventors: Spannaus, John; MacInnis, Alexander G.;, Assignee: |
Method and system for accessing and displaying a compressed display image in a computer system
The invention provides a display controller and related methods for accessing (e.g., reading and writing pixels) and displaying a compressed display image. The display image refers to the image visibl... Read More
Inventors: Torborg, Jr., John G.; Veres, James E.; Sharma, Om Kumar; Scott, III, George Easton; Powell, III, William Chambers;, Assignee: Microsoft Corporation (Redmond, WA) |
Fault Detection 
