Article comprising a semiconductor waveguide structure
The invention is embodied in an article (e.g., a QC laser or a semiconductor waveguide modulator) that comprises a novel waveguide structure for radiation of (vacuum) wavelength .lambda. (equivalently... Read More
Inventors: Capasso, Federico; Cho, Alfred Y.; Faist, Jerome; Hutchinson, Albert L.; Sirtori, Carlo; Sivco, Deborah L.;, Assignee: AT&T Corp. (Murray Hill, NJ) |
Data encryption key failure monitor
Accordingly, it is an object of the present invention to provide a data encryption key monitoring system which continuously checks the integrity of data encryption keys used with data encryption algor... Read More
Inventors: Spiotta, Mark G.; Bjerga, Erling;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Crankshaft seal having resilient portion embedded in rigid retainer
It is the object of this invention to provide a sealing structure in which unproper deflection or deforming of a lip can be minimized or avoided even if a retainer is affected by heat or others. Accor... Read More
Inventors: Matsushima, Noboru;, Assignee: NOK Corporation (Tokyo, JP) |
Apparatus for defeating radar speed detection signals
According to the present invention, acquisition and interpretation of signal echoes or reflections from a target in response to a Doppler radar probe signal from a seeker are inhibited by providing at... Read More
Inventors: Sullivan, M. David;, Assignee: Voodoo Scientific, Inc. () |
System and method for transmission of programming on demand
The problems associated with the prior methods of implementing video on demand are overcome by the present invention. By using the present invention the number of feeds required in a video on demand s... Read More
Inventors: Kochanski, Gregory P.;, Assignee: AT&T Corp. (Murray Hill, NJ) |
Service navigation systems and methods
The present invention provides for a terminal that facilitates efficient, flexible and user-friendly navigation of a plurality of services provided by an associated television network. The terminal ma... Read More
Inventors: Jerding, Dean F.;, Assignee: Scientific-Atlanta, Inc. (Lawrenceville, GA) |
Method and apparatus for controlling product routing in a manufacturing line
There is provided by the present invention, a method and associated system for selecting a quantity, usually a limited number, of units or lots to go to a designated area, usually for testing or analy... Read More
Inventors: Barker, Brian C.; Bauer, Lawrence R.; Chaloux, Susan E.; Federico, John T.; Hartswick, Perry G.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Asynchronous network collaboration method and apparatus
The present invention discloses methods and apparatus for enabling groups of users to collaborate in decision making. According to one embodiment of the present invention a method implemented on a net... Read More
Inventors: Ferguson, Bradley;, Assignee: Recipio, Inc. (San Mateo, CA) |
Methods and apparatus for estimating similarity
Systems and methods consistent with the present invention address this and other needs by providing a similarity engine that generates compact representations of objects that can be compared to determ... Read More
Inventors: Charikar, Moses Samson;, Assignee: Google, Inc. (Mountain View, CA) |
Attribute inductive data analysis
The invention generally features a system and method for determining which populations in an attribute characterized data set best maximize the significance of variations in a response variable of the... Read More
Inventors: Foley, Thomas Aquinas;, Assignee: Digital Equipment Corporation (Maynard, MA) |
Restaurant directory and marketing system
Accordingly, it is the general purpose and object of the present invention to provide a system imbedded on a computer network for convenient searching of a restaurant. Other objects of the invention a... Read More
Inventors: Visconti, John;, Assignee: |
Arrangement for varying the rate of recording of information
What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims: 1. A method for changing the recording speed of a signal from a first speed to a second speed ... Read More
Inventors: DiMatteo, Paul L.;, Assignee: Dynell Electronics Corporation (Melville, NY) |
Generalized system for generating computer programs
OF THE PREFERRED EMBODIMENT As a general overview, in the present invention, four simultaneous processes function in compliance with two constraints to produce the necessary and sufficient conditions... Read More
Inventors: Reiners, Stanley J.;, Assignee: Syndetic Corporation (Omaha, NE) |
Extensible entity management system including a dispatching kernel and modules which independently interpret and execute commands
The invention provides a new and improved control arrangement for controlling and monitoring a complex system, such as a distributed digital data processing system in which a plurality of computers co... Read More
Inventors: Fehskens, Leonard G.; Strutt, Colin; Callander, Jill F.; Nelson, Kathy J.; Guertin, Matthew J.; Sylor, Mark W.; Chapman, Kenneth W.; Schuchard, Robert C.; Goldfarb, Stanley I.; Rogers, Dennis O.; O'Brien, Linsey B.; Chan-Lizardo, Christine C.; England, Be, Assignee: Digital Equipment Corp. (Maynard, MA) |
Method and system for minimizing the effects of disruptive hardware actions in a data processing system
What is claimed is: 1. A method for minimizing the effects of disruptive hardware actions in a data processing system having an operating system, said method comprising: providing advance notification... Read More
Inventors: Daly, James C.; George, Jonel; Greenstein, Paul G.; Rodell, John T.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Method and apparatus for handling multiple level-triggered and edge-triggered interrupts
In one aspect of the present invention, a method is provided for determining whether the highest priority pending interrupt needing service is an active level-triggered interrupt. The method includes ... Read More
Inventors: Jayakumar, Muthurajan; Goru, Vijay Kumar;, Assignee: Intel Corporation (Santa Clara, CA) |
Method and system for global optimization of device allocation
What is claimed is: 1. An automated, computer implemented method for allocating devices in order to satisfy requests for said devices, said method comprising the steps of: creating a package of device... Read More
Inventors: Geiner, Robert V.; Jensen, David L.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Method for extending a fourth generation programming language
What is claimed is: 1. A method for extending the functionality of an existing programming language comprising the steps of: (a) defining an extension class to perform the extending of functionality, ... Read More
Inventors: Pasquariello, Greg;, Assignee: Electronic Data Systems Corporation (Plano, TX) |
Inhibit circuit for a differential amplifier
What is claimed is: 1. An inhibit circuit for a differential amplifier, comprising: a pair of non-additive combiners, each having an output connected to a respective input of said amplifier; input mea... Read More
Inventors: Yorkanis, Bernard J.;, Assignee: RCA Corporation (New York, NY) |
Rescheduling conflicting issued instructions by delaying one conflicting instruction into the same pipeline stage as a third non-conflicting instruction
The present invention discloses the apparatus and methods necessary to correct the noted operational problems of an instruction pipeline in the specific environment of a Floating Point Coprocessor ("F... Read More
Inventors: Roberts, David B.; Taylor, George S.; Parry, David M.;, Assignee: Silicon Graphics, Inc. (Mountain View, CA) |
Moving data in and out of processor units using idle register/storage functional units
What is claimed is: 1. A computer processor functionally connected to an operating system, comprising (a) at least one register set having a plurality of registers to store a state of at least one thr... Read More
Inventors: Kiefer, Kenneth J.; Luick, David A.; Willis, John Christopher;, Assignee: International Business Machines Corporation (Armonk, NY) |
Matrix-vector multiplication apparatus
It is an object of the present invention to obtain high-precision matrix-vector multiplication results with improvement of a dynamic range of calculations limited by geometric precision of a mask patt... Read More
Inventors: Myers, Gregory K.; Peppers, Norman A.; Young, James R.; Katsuki, Kazuo;, Assignee: Nippon Sheet Glass Co., Ltd. (Osaka, JP) |
Optical fibre handling apparatus and method of using same
The present invention provides apparatus for handling an optical fibre, the apparatus comprising a casing defining a substantially light-proof enclosure surrounding an optical fibre operating position... Read More
Inventors: James, Simon M.; Downing, Roland W.; Drouet, Dominik;, Assignee: British Telecommunications public limited company (London, GB2) |
Method of and apparatus for controlling production process
The present invention has been devised in consideration of such circumstances, and the primary object thereof is to provide a method of and apparatus for controlling production process which is capabl... Read More
Inventors: Aoki, Toshiaki;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Switched network of optical buses
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent is: 1. A method of operating a switching system by automatically switching optical signals between pairs... Read More
Inventors: Georgiou, Christos J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Procedure for evaluating the metastability characteristics of a synchronizing device
We claim: 1. A method for evaluating the metastability characteristics of a synchronizing device having a latching stage, comprising the steps of: verifying a stable response of the latching stage in ... Read More
Inventors: Nelson, Hilding E.; Brown, Jeffrey O.; Zurn, Shayne M.;, Assignee: NCR Corporation (Dayton, OH) |
Flexible parity generation circuit for intermittently generating a parity for a plurality of data channels in a redundant array of storage units
The invention comprises a redundant array computer system having a high-speed CPU bus and lower-speed I/O buses, in which parity blocks are generated for a plurality of data blocks from multiple CPU b... Read More
Inventors: Hohenstein, Gerald L.; Nielson, Michael E.; Tang, Tin S.; Carmichael, Richard D.; Brant, William A.;, Assignee: EMC Corporation (Hopkinton, MA) |
Ultraviolet solid state laser, method of using same and laser surgery apparatus
According to the invention, a solid state laser system producing coherent radiations at deep ultraviolet wavelengths includes a solid state laser producing a first beam having a wavelength near 1 micr... Read More
Inventors: Mead, Roy D.; Miyake, Charles I.; Lowenthal, Dennis D.;, Assignee: Aculight Corporation (Bellevue, WA) |
Error detection and correction system for long burst errors
The mathematical operations involving Reed-Solomon code ECC redundancy symbols are performed, respectively, using Galois Field addition, multiplication and division. Galois Field addition is performe... Read More
Inventors: Weng, Lih-Jyh;, Assignee: Digital Equipment Corporation (Maynard, MA) |
Burst error corrector
OF THE DRAWINGS The invention includes a method and apparatus capable of generating redundancy symbols and syndromes and using the syndromes to correct errors. The codeword, C(x) consists of data byt... Read More
Inventors: Zook, Christopher P.;, Assignee: Cirrus Logic, Inc. (Fremont, CA) |
Fault Detection 
