Acoustical panel and method of making same
Accordant with the present invention, and contrary to the teachings of the prior art, an improved acoustical panel has surprisingly been discovered, comprising: A) a porous mass of randomly oriented i... Read More
Inventors: Meeker, Brian L.; Harmon, Walter D.;, Assignee: Fiber-Lite Corporation (Maumee, OH) |
Load cell mass comparator
We claim: 1. A load cell mass comparator comprising a fixed upper plate and a fixed lower plate, a plurality of guide rods extending between said plates, a floating plate slidably mounted on said rods... Read More
Inventors: Scrivener, Thomas F.; Schoonover, Randall M.;, Assignee: Frazier Precision Instrument Company, Inc. (Gaithersburg, MD); Holometrics, Inc. (Derwood, MD) |
Jamfree cable storage
In accordance with one embodiment of the present invention, an apparatus is provided for retreiving and storing an elongated and flexible member such as a cable or hose, which minimizes twisting of th... Read More
Inventors: Tydlacka, Joseph;, Assignee: Wyle Laboratories (El Segundo, CA) |
Apparatus for relieving a load across a cable repair region
Accordingly, it is an object of the invention to provide an apparatus for preventing a cable sheath from being pulled out of a cable repair region, the apparatus further functioning to limit a load ap... Read More
Inventors: Shimirak, Gerald L.; Koht, Lowell I.;, Assignee: Raychem Corporation (Menlo Park, CA) |
Method of operating an ink jet to reduce print quality degradation resulting from rectified diffusion
An object of the present invention is, therefore, to provide a method to control the operation of a DOD ink jet print head so that it may continue printing for an indefinite or extended period of time... Read More
Inventors: Roy, Joy; Stanley, Douglas M.; Buehler, James D.; Adams, Ronald L.;, Assignee: Tektronix, Inc. (Wilsonville, OR) |
Data path configuration for a data processing system
What is claimed is: 1. A data processing system comprising a central processor unit for processing address words and data words and at least one memory unit connected in communication with said centra... Read More
Inventors: Sorensen, Karsten; Bernstein, David H.; Druke, Michael B.;, Assignee: Data General Corporation (Southboro, MA) |
Apparatus to execute DMA transfer between computing devices using a block move instruction
The invention described herein provides hardware and firmware control for transferring data in a DMA mode from the memory of a microprocessor to the memory of a minicomputer and vice versa. The hardwa... Read More
Inventors: Fung, Anthony K.; Mintzlaff, Roger G.;, Assignee: Sperry Corporation (New York, NY) |
Tonpilz type piezoelectric transducer capable of operating alternately as wideband receiver and emitter
What we claim is: 1. A tonpilz type piezoelectric transducer comprising: a stack of pairs of piezoelectric segments; a horn and a countermass disposed in alignment with said stack; an electronic emitt... Read More
Inventors: Pohlenz, Charles; Boucher, Didier; Tocquet, Bernard;, Assignee: L'Etat francais represente par le Delegue General pour l'Armement (Paris, FR) |
System with modules using priority numbers related to interrupt vectors for bit-serial-arbitration on independent arbitration bus while CPU executing instructions
It is an object of the present invention to provide a new and improved method of interrupting a CPU in a microprocessor. It is a further object of the present invention to provide a more efficient int... Read More
Inventors: Allison, Nigel J.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Device for the control of data flows
The objects of the invention are achieved by positioning between the connection network and each data output line a separate data output buffer, the control unit being connected, by signal lines to th... Read More
Inventors: Jansen, Pierre G.; Kessels, Jozef L. W.;, Assignee: U.S. Philips Corporation (New York, NY) |
Driving network for TFEL panel employing a video frame buffer
A driving network for an AC TFEL panel employing a video frame buffer includes n sets of independently driven data electrodes. A buffer is provided for each of the n sets to store video data and a clo... Read More
Inventors: Ziuchkovski, Michael J.;, Assignee: Planar Systems, Inc. (Beaverton, OR) |
Method and apparatus for ordering and queueing multiple memory requests
The primary object of the invention is to provide a pipelined computer system that multiplexes memory requests according to a priority scheme. Another object of the present invention is to provide a m... Read More
Inventors: Webb, Jr., David A.; Hetherington, Ricky C.; Murray, John E.; Fossum, Tryggve; Manley, Dwight P.;, Assignee: Digital Equipment Corporation (Maynard, MA) |
Storage controller and bus control method for use therewith
Dynamic switching of the common bus utilization mode has yet to be implemented with conventional storage controllers. For this reason, when the operation mode of the connected computer system changes,... Read More
Inventors: Satoh, Takao; Takeuchi, Hisaharu; Inoue, Yasuo; Yamamoto, Akira;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Data line interface for a time-division multiplexing (TDM) bus
This invention is a data line interface providing a parallel to serial conversion technique for selectively increasing serial data transmission rates. The data line interface receives a 16-bit data wo... Read More
Inventors: Reali, Peter A.;, Assignee: Rolm Corporation (Santa Clara, CA) |
Error correction and detection apparatus and method
In the following description, each element of each figure has a reference designation associated therewith, the first number of which refers to the figure in which the element is located (e.g., eleme... Read More
Inventors: Cheng, Ying; Dravida, Subrahmanyam;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Pulse width modulated self-clocking and self-synchronizing data transmission and method for a telephonic communication network switching system
It is, therefore, the object of the present invention to provide apparatus and methods for synchronous, digital communication in which a digital pulse width modulated encoding scheme is employed which... Read More
Inventors: Jones, Barry W.; DeLong, Steven T.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Asynchronous transfer mode (ATM) cell error processing system
It is a general object of the present invention to provide an improved ATM cell error processing system in which the above disadvantages are eliminated. A more specific object of the present invention... Read More
Inventors: Takechi, Ryuichi; Kawasaki, Takeshi; Kamoi, Jyoei; Hajikano, Kazuo; Kuroyanagi, Satoshi; Shimoe, Toshio;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Real time supply PF plug-and-play installation resources
These and other objects, features and technical advantages are achieved by an inventive real time plug and play installation mechanism which, instead of signaling the operating system to activate a pr... Read More
Inventors: Rudd, Michael L; Culp, Jerlyn R.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Programmable logic array integrated circuit with general-purpose memory configurable as a random access or FIFO memory
The present invention is a programmable logic device integrated circuit incorporating a memory block. The memory block is a general-purpose memory configurable as a random access memory (RAM) or a fir... Read More
Inventors: Lytle, Craig S.; Faria, Donald F.;, Assignee: Altera Corporation (San Jose, CA) |
Method and system for using a virtual register file in system memory
An embodiment of the present invention is directed to a method for executing transaction requests from a plurality of requesting devices in a computer system having a plurality of target devices inclu... Read More
Inventors: Porterfield, A. Kent;, Assignee: Micron Electronics, Inc. (Nampa, ID) |
Method and apparatus for generating, recording and transmitting an error product code block having an improved check code arrangement
It is, therefore, an object of the present to provide a method of processing data for generating an error correcting product code block devised so as to maintain the current level of redundancy after ... Read More
Inventors: Kojima, Tadashi; Hirayama, Koichi; Fukushima, Yoshihisa; Yumiba, Takashi;, Assignee: Kabushiki Kaisha Toshiba (Kanagawa-ken, JP); Matsushida Electric Industrial Co., Ltd. (Osaka, JP) |
Dynamic signal routing
Accordingly, it is an advantage of the present invention that a network is provided which dynamically routes communication signals. Another advantage of the present invention is that network resources... Read More
Inventors: Wang, Theresa C. Y.; Leopold, Raymond J.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Multihop distribution lists
FIG. 1 shows a block diagram of store and forward message system sites 101, 102, and 103 of network 200. As shown in FIG. 1, sites 101-103 are interconnected by communications links 301, 302, and 303... Read More
Inventors: Perelman, Roberto; Kaminsky, Mark E.;, Assignee: Rolm Company (Santa Clara, CA) |
Pseudo random noise sequence code generator and CDMA radio communication terminal
In view of the foregoing, an object of the present invention is to provide a pseudo random noise sequence code generator capable of reducing the operating rate. The nature, principle and utility of th... Read More
Inventors: Sugita, Takehiro;, Assignee: Sony Corporation (Tokyo, JP) |
Monolithic integrated transistor and protective circuit therefor
What is claimed is: 1. A protective device for a monolithic integrated transistor formed on a semi-conductive substrate of a first conductivity type and having a first collector region of a second con... Read More
Inventors: Moreau, Jean Michel;, Assignee: Thomson-CSF (Paris, FR) |
Method and apparatus for prevention of squelch chatter
A squelch circuit is provided having a squelch hysteresis window for preventing squelch chatter in a communication device. The communication device includes a plurality of squelch states. The squelch ... Read More
Inventors: Simmons, John W.; Kehler, Jr., Walter H.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
PCM communication apparatus
It is therefore an object of the present invention to provide a PCM communication apparatus which, when a channel unit is not connected to a multiplexer unit, transmits the non-connected state with ac... Read More
Inventors: Suga, Kiyokazu;, Assignee: NEC Corporation (Tokyo, JP) |
Data processor having single clock pin
In carrying out the above and other objects of the invention, in one form thereof, there is provided a monolithic integrated circuit chip having a microprocessor and requiring only a single clock inpu... Read More
Inventors: Daniels, R. Gary; Bennett, Thomas H.; Musa, Fuad H.; Wiles, Michael F.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Integrated circuit having input and output drivers cascaded between I/O pads and internal circuitry
It is a primary object of the present invention to provide a technique which can improve the substrate utilization ratio and the circuit function of an integrated circuit as a whole. The above and oth... Read More
Inventors: Shibata, Manabu; Uragami, Akira;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Load-adapted clock generator in CMOS circuits
I claim: 1. Clock generator for CMOS circuits for producing two non-overlapping internal clocks or timing cycles at two clock outputs, the clock generator having a frequency divider energized by an os... Read More
Inventors: Stronski, Sabine;, Assignee: Siemens Aktiengesellschaft (Berlin and Munich, DE) |
I/O Systems 
