Apparatus and method for production of three-dimensional models by spatial light modulator
The above and other problems of prior art RP systems are overcome by the present invention of an improved three-dimensional object producing apparatus of the type for irradiating a liquid surface of a... Read More
Inventors: Hagenau, William R.;, Assignee: Replicator Systems, Inc. (El Dorado, CA) |
Continuous feed, chemical switching unit
OF THE BEST MODE A continuous feed chemical delivery system 220 is schematically depicted in FIG. 2. The system 220 includes a switching unit 200, contained within a cabinet 201, wherein the unit 200... Read More
Inventors: Fulton, Steven; Orthman, Lyle T.; Snodgrass, Eric R.;, Assignee: National Semiconductor Corporation (Santa Clara, CA) |
Industrial robot with servo
It is an object of the present invention to provide a manipulator with an arm geometry suitable for both general-purpose and a variety of special-purpose applications. It is a related object to provid... Read More
Inventors: Karlen, James P.; Thompson, Jr., Jack M.; Kowalski, Keith A.; Damico, David A.; Eismann, Paul H.;, Assignee: Robotics Research Corporation (OH) |
Adapative control device
It is an object of the present invention to provide an improved adaptive control device which is capable of cancelling periodic noises even if aperiodic noises are mingled without any malfunction and ... Read More
Inventors: Okada, Tsuyoshi; Kobayashi, Toshiaki; Ozawa, Hidetaka;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP); Honda Motor Co., Ltd. (Tokyo, JP) |
Robust resonance reduction using staggered posicast filters
In order to meet the above and other objectives, the present invention is a method of filtering actuator commands for a satellite control system, for example, to reduce resonant mode excitation despit... Read More
Inventors: Fowell, Richard A.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Apparatus and method for adaptive suppression of vibrations in mechanical systems
In a broad aspect, the invention involves a method and apparatus for stabilizing at least one element of a mechanical system against echo-like responses to mechanical disturbances. One or more error s... Read More
Inventors: Benning, Roger David; Browning, Douglas Roy; Zipfel, Jr., George Gustave;, Assignee: General Dynamics Advanced Technology Systems, Inc. (McLeansville, NC) |
Precision apparatus with non-rigid, imprecise structure, and method for operating same
Briefly described, the invention provides for a non-rigid, precision placement machine and method for assembling components into a finished product. The machine comprises an overhead linear motor or e... Read More
Inventors: Dickerson, Stephen Lang; Book, Wayne J.; Sadegh, Nader;, Assignee: Georgia Tech Research Corporation (Atlanta, GA) |
Robust vibration suppression methods and systems
Robust Vibration Suppression (RVS) methods and systems according to the present invention provide improved robustness range and are effective in single or multiple degree of freedom systems. RVS metho... Read More
Inventors: McConnell, Kenneth G.; Bouton, Chad E.;, Assignee: Iowa State University Research Foundation, Inc. (Ames, IA) |
Method for damping load oscillations on a crane
Therefore, it is a primary object of the present invention to provide an open loop method for damping load oscillations by using a computer to shape the speed signals sent to the variable speed drive ... Read More
Inventors: Habisohn, Chris Xavier;, Assignee: |
Adaptive control process and system
What is claimed is: 1. A method for adaptively controlling a process operating on a sequence of samples according to a recipe having recipe values, said method comprising the steps of: (a) initializin... Read More
Inventors: Boiquaye, William J. N-O.;, Assignee: |
Adaptive control system having direct output feedback and related apparatuses and methods
The adaptive control system (ACS) and method of this invention uses direct adaptive output feedback to control a plant. The system can comprise a linear controller (LC) and an adaptive element (AE). T... Read More
Inventors: Calise, Anthony J.; Hovakimyan, Naira; Idan, Moshe;, Assignee: Georgia Tech Research Corporation (Atlanta, GA) |
Power supply system including power sharing control arrangement
The invention provides a new and improved power supply system for providing electrical power to a plurality of loads to ensure uninterrupted power to a plurality of loads and which also facilitates th... Read More
Inventors: Gerner, William;, Assignee: Thinking Machines Corporation (Cambridge, MA) |
Current sharing power supplies with redundant operation
The present invention allows power supplies to be connected in a parallel configuration, wherein the combination of power supplies share current without additional circuit complexity or overhead as co... Read More
Inventors: Chesavage, Jay A.;, Assignee: Cisco Technology, Inc. (San Jose, CA) |
Simultaneous power supply source
It is an object of the present invention to describe a power transfer device which will provide transition to backup electrical power for any system equipment having an internal DC bus and in particul... Read More
Inventors: Siewert, James Carl; Allen, Clifford L.;, Assignee: |
Shared-bus current sharing parallel connected current-mode DC to DC converters
An object of the invention is to provide uniform current distribution, stiff regulation of the system output voltage, and reduced output impedance variances of a power supply system. Another object of... Read More
Inventors: Siri, Kasemsan;, Assignee: The Aerospace Corporation (El Segundo, CA) |
Distributed power system
The present invention provides for improved reliability of systems producing and consuming power through the use of a shared power bus fed from a plurality of power supplies, each power supply coupled... Read More
Inventors: Rock, Agnes G.;, Assignee: Cisco Technology, Inc. (San Jose, CA) |
Configurable power distribution circuit
In the following detailed description, specific details are set forth in order to provide a thorough understanding of the invention. However, it will be understood by those skilled in the relevant ar... Read More
Inventors: Cruz, Claude A.;, Assignee: Intel Corporation (Santa Clara, CA) |
System and method of powering and communicating field ethernet device for an instrumentation and control using a single pair of powered ethernet wire
Referring to FIG. 1, a control system 100 includes a controller 105 that powers and controls a remote field device 110 over a powered Ethernet connection 115. Thus, the system 100 applies the well-kn... Read More
Inventors: Keyghobad, Seyamak; Baker, William; Thibault, Richard;, Assignee: Invensys Systems, Inc. (Foxboro, MA) |
Portable computer using a fuel cell
Accordingly, it is an aspect of the present invention to provide a portable computer comprising a fuel cell continuously refueled from the outside, thereby efficiently supplying power thereto. The for... Read More
Inventors: Koo, Ja-goun;, Assignee: Samsung Electronics Co., Ltd., (Suwon-si, KR) |
Movable barrier operator
A movable barrier operator having an electric motor for driving a garage door, a gate or other barrier is operated from a source of AC current. The movable barrier operator includes circuitry for auto... Read More
Inventors: Fitzgibbon, James J.; Wanis, Paul E.; Willmott, Colin B.;, Assignee: The Chamberlain Group, Inc. (Elmhurst, IL) |
Apparatus and method for using RFID to track use of a component within a device
A method and apparatus for tracking the cumulative duration of use of a replaceable light source in a light source unit for an endoscopic imaging system are described. Note that in this description, ... Read More
Inventors: Ertas, Hasan; Wells, Brannon P.; Srinivasan, Rajeshwari;, Assignee: Stryker Corporation (Kalamazoo, MI) |
Modularity system for computer assisted surgery
A medical system that includes a single medical device that can be controlled by one of two input devices.... Read More
Inventors: Wang, Yulun; Ghodoussi, Modjtaba; Uecker, Darrin; Wright, James; Mangaser, Amante;, Assignee: Computer Motion, Inc. (Sunnyvale, CA) |
Modularity system for computer assisted surgery
A medical system that includes a single medical device that can be controlled by one of two input devices.... Read More
Inventors: Wang, Yulun; Ghodoussi, Modjtaba; Uecker, Darrin; Wright, James; Mangaser, Amante;, Assignee: Computer Motion, Inc. (Sunnyvale, CA) |
Modularity system for computer assisted surgery
A medical system that includes a single medical device that can be controlled by one of two input devices.... Read More
Inventors: Wang, Yulun; Ghodoussi, Modjtaba; Uecker, Darrin; Wright, James; Mangaser, Amante;, Assignee: Computer Motion, Inc. (Sunnyvale, CA) |
Buffer storage apparatus for semiconductor wafer processing
It is an object of the present invention to overcome the disadvantages of the prior art by providing buffer storage apparatus which may be incorporated within a wafer processing system having a plural... Read More
Inventors: Beaver, II, Robert I.; Adams, Michael J.; Prodanovich, George L.; Key, Paul F.; Rawlings, Don O.; Santhanam, P.; Hunt, Susan L.;, Assignee: Macronetics, Inc. (Sunnyvale, CA) |
Wafer processing cassette
The general purpose of the present invention is to provide a wafer cassette for processing of integrated circuit wafers such as silicon wafers or the like which provides low-profile structure for on-c... Read More
Inventors: Mortensen, Roger L.;, Assignee: Empak, Inc. (Chanhassen, MN) |
Wafer positioning apparatus
Accordingly, a general object of the present invention is to provide a wafer positioning apparatus in which the disadvantages of prior such apparatus are eliminated. A more specific object of the pres... Read More
Inventors: Shimane, Kazuo; Iijima, Nobuo; Kawabata, Tatsuro;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Wafer carrier
A moldable plastic carrier for predictably and steadfastly locating the carrier and wafers therein upon wafer transfer equipment has an open top for insertion and removal of the wafers, a pair of oppo... Read More
Inventors: Kos, Robert D.;, Assignee: Fluoroware (Chaska, MN) |
Method for aligning wafers within a semiconductor wafer cassette
An object of this invention is to provide a method and apparatus for precisely aligning wafers within a cassette regardless of the condition or positional accuracy of the cassette itself. In accordanc... Read More
Inventors: Webber, Herbert; Edwards, Peter;, Assignee: Applied Materials, Inc. (Santa Clara, CA) |
Wafer tilt gauge
The present invention overcomes the shortcomings and deficiencies discussed above by providing a wafer tilt gauge including a base support, structure for temporarily connecting a slotted apparatus for... Read More
Inventors: Pence, Paul; Pollock, Greg;, Assignee: Advanced Micro Devices, Inc. (Austin, TX) |
Control Computers 
