Iron free self baking electrode
It is an object of the invention to provide a new and improved self baking electrode. Another object of the invention is to provide an iron free self baking electrode having a greater strength than co... Read More
Inventors: Persson, John A.;, Assignee: Pennsylvania Engineering Corporation (Pittsburgh, PA) |
Self-baking electrodes
The invention is characterized in that an inductive furnace or heater is arranged, in the direction of feeding of the electrode, upstream of the current supply units or contact shoes, said furnace or ... Read More
Inventors: Orrling, Bengt;, Assignee: ASEA Aktiebolag (Vaster.ang.s, SE) |
Telephone mounting stabilizer and note board facility
What is claimed is: 1. A device for stabilizing and making stationary relative to a wall surface a modular wall-mounted telephone having a keyhole slotted base mounted to a flush mounted wall jack hav... Read More
Inventors: Hoyer, Dennis G.;, Assignee: |
Method of reducing the convergence time of an echo canceller and apparatus for carrying out said method
The present invention provides a quite different method of reducing the convergence time of an echo canceller during the initializing period by utilizing the fact that in a modem provided with an echo... Read More
Inventors: Guidoux, Loic B. Y.;, Assignee: Telecommunications Radioelectriques et Telephoniques T.R.I (Paris, FR) |
Electret microphone
What is claimed is: 1. An electret microphone comprising a casing including upper and lower casing halves, a rectangular metal electrode in said casing, said rectangular metal electrode having long an... Read More
Inventors: Segero, Tommy S.;, Assignee: Telefonaktiebolaget L M Ericsson (Stockholm, SE) |
Control system for electrical furnaces
The present invention is embodied in and carried out by a control system including a computer for receiving information concerning the various operating parameters of an electric smelting furnace, and... Read More
Inventors: Asphaug, Bjorn; Pedersen, Thor;, Assignee: Elkem-Spigerverket (Oslo, NO) |
Waste heat recovery in asphalt mixing plant
This invention relates to an apparatus and method for the recovery of waste heat in asphalt mixing plants. In conventional plants for making asphaltic concrete paving materials, a stone aggregate is c... Read More
Inventors: Powell, Roger A.;, Assignee: The McCarter Corporation (Norristown, PA) |
Index-guided laser on grooved (001) substrate
In accordance with the present invention there is provided index-guided semiconductor lasers having grooved waveguides which use the optical confinement resulting from the refractive index difference ... Read More
Inventors: Bringans, Ross D.; Bour, David P.;, Assignee: Xerox Corporation (Stamford, CT) |
Apparatus for preheating material for making steel
An object of the present invention is to effectively utilize (e.g. about 70%) the heat of exhaust gas from steel making equipment for fully preheating the material to be charged into the equipment to ... Read More
Inventors: Yasukawa, Shouzo;, Assignee: Nikko Industry Co., Ltd. (Kobe, JP) |
High power cesium lamp system for laser pumping
OF THE INVENTION FIG. 1 illustrates a previously-developed form of cesium-vapor lamp 10, such as that described in the above-incorporated Witting patent. In particular, tungsten electrodes 12 are dis... Read More
Inventors: Houston, John M.;, Assignee: General Electric Company (Schenectady, NY) |
Steelmaking
We claim: 1. Apparatus for steelmaking comprising an initial reaction chamber for containing a steel melt arranged to receive source material in the form of scrap, pre-reduced iron or combinations of ... Read More
Inventors: MacGregor, Ian K.; Scholey, Robert; Spenceley, Gene D.;, Assignee: British Steel Corporation (GB2) |
Process of making steel in converter using a great amount of iron-bearing cold material
It is therefore an object of the present invention to provide a steelmaking process which can eliminate the above defects of the prior art converter-refining by use of a large or substantial amount of... Read More
Inventors: Sudo, Fumio; Fujii, Tetsuya; Kato, Yoshiei; Yamada, Sumio; Emoto, Kanji;, Assignee: Kawasaki Steel Corporation (Kobe, JP) |
Fluidized bed having modified surfaces in the heat extractor
In order to reduce the erosion on the surfaces of the heat exchangers immersed in the fluidized beds, baffles are provided which interrupt the flow of the constituents in the bed during operation. In ... Read More
Inventors: Langhoff, Josef; Krischke, Hermann; Geldmacher, Horst; Golomb, Manfred; Kamp, Karl-Heinz; Masuch, Peter; Chalupnik, Rolf;, Assignee: Ruhrkohle AG (Essen, DE) |
Substituted 4,6-alkoxy pyridinecarboxylate compounds and herbicidal use
OF THE INVENTION Route A below schematically depicts a method whereby the pyridine monocarboxylate compounds of this invention may be prepared from compounds which are readily available commercially.... Read More
Inventors: Lee, Len F.;, Assignee: Monsanto Company (St. Louis, MO) |
Audio amplifier with amplified feedback
In high performance audio amplifiers which utilize typical feedback networks, such as the prior art amplifier 10 shown in FIG. 1, the ratio of resistor 20 to resistor 18, or R1/R2, is such that severe... Read More
Inventors: Johnson, William Z.;, Assignee: Audio Research Corporation (Minneapolis, MN) |
Priority-based bandwidth allocation and bandwidth-on-demand in a low-earth-orbit satellite data communication network
The present invention is a system and method for allocating transmission capacity, or bandwidth, in a LEO satellite data communication network. More specifically, the present invention provides a prio... Read More
Inventors: Montpetit, Marie-Jose;, Assignee: Teledesic LLC (Kirland, WA) |
Method for mating a mobile terminal with a cordless phone system
The present invention comprises a dual function mobile terminal that can function as both a cordless telephone and as a conventional cellular radiotelephone. The mobile terminal is equipped with a pri... Read More
Inventors: Raith, Alex Krister;, Assignee: Ericsson Inc. (Research Triangle Park, NC) |
Multiple contact switch
What is claimed is: 1. A multi-contact switch for a telephone set, comprising: a base member mounted on one part of said telephone set; a plurality of contact areas on said base member, spaced across ... Read More
Inventors: Chu, Pak-Jong; Audette, Jacques Marcel;, Assignee: Northern Telecom Limited (Montreal, CA) |
Sorter for a reproduction machine
Therefore, it is the primary object of this invention to provide a control system for a sorter which insures that copies from a reproduction machine processor are placed in the correct bin to maintain... Read More
Inventors: Traister, Robert L.;, Assignee: Xerox Corporation (Stamford, CT) |
Stylus having a conductive carbon layer
According to the present invention, a diamond body is placed in an environment having a lowered oxygen content and a predetermined area of the body is bombarded with a beam of heat producing energy to... Read More
Inventors: Takehara, Hideaki;, Assignee: Victor Company of Japan, Ltd. (JP) |
External parallel-port device using a timer to measure and adjust data transfer rate
An external device connects to a parallel port of a personal computer (PC). The external device has a parallel-port connector for connecting to a parallel-port cable connected to the parallel port of ... Read More
Inventors: Jones, Larry; Venkidu, Arockiyaswamy; Mambakkam, Sreenath;, Assignee: On Spec Electronic, Inc. (Santa Clara, CA) |
Method and apparatus for scheduling packet acknowledgements
FIG. 1 shows an illustrative network for practicing the invention. This network consists of a packet sending node 100, a packet receiving node 102, and a connection there between over which packets a... Read More
Inventors: Brooks, David Paul; Britton, Edward Glen; Tracey, Karen M.;, Assignee: International Business Machines Corp. (Armonk, NY) |
Management of polling traffic in connection oriented protocol sessions
A detailed description of preferred embodiments of the present invention is provided with reference to the figures, of which prior art FIGS. 1-4 are discussed above. FIGS. 5-7 describe the basic stru... Read More
Inventors: Pereira, Frank R.;, Assignee: 3Com Corporation (Santa Clara, CA) |
Data transmission system with sliding-window data flow control
The object of the invention is to alleviate or eliminate the above described problems. This is achieved with a digital data transmission system comprising a transmitting party, a receiving party, a no... Read More
Inventors: Kanerva, Mikko; Kari, Hannu; Vainikka, Jari; Ahopelto, Juha-Pekka;, Assignee: Nokia Telecommunications Oy (Espoo, FI) |
Methods and systems for managing packet flow into a fast packet switching network
It is an object of the present invention to control a flow of packets forwarded to a fast packet switching network in accordance with a predetermined traffic contract. In carrying out the above object... Read More
Inventors: Teraslinna, Kari;, Assignee: U S West Technologies, Inc. (Boulder, CO) |
Congestion avoidance in an ATM switch
The invention provides a routing switch for bi-directional transmission of digital signals, said signals including at least some digital signal cells of at least two types, a first type requiring inte... Read More
Inventors: Simpson, Robert; Richards, Neil; Thompson, Peter; Moniot, Pascal; Coppola, Marcello; Dumas, Pierre; Grenot, Thierry; Makoua, David Mouen;, Assignee: SGS-Thomson Microelectronics Limited (Almondsbury Bristol, GB) |
Disk device with opening lid
It is therefore an object of the present invention to provide a disk cartridge which allows a disk changer mechanism to move a disk into a record/playback unit in a proper stabilized position in the e... Read More
Inventors: Nakatsu, Kimihide; Mori, Kazuo; Fukasawa, Akihiro; Ishida, Yoshinobu;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Method of compensating an amplifier system having a variable gain amplifier to achieve a constant overall system signal gain and an apparatus utilizing the same
The embodiments of the present invention in which an exclusive property or privilege is claimed are defined as follows: 1. A method for compensating an amplifier system comprising the steps of applyin... Read More
Inventors: Olsen, Arthur M.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
Method and device for efficient error correction in a packet-switched communication system
OF A PREFERRED EMBODIMENT The method and device of the present invention provide for efficient error correction in a packet radio system by 1) eliminating wasted bandwidth due to the unnecessary retr... Read More
Inventors: Tran, Phieu Moc; Smolinske, Jeffrey Charles; Scheibel, Jr., Robert Clarence; Clanton, Christopher Lamonte;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for error correction processing in a radio communication device
In a first aspect of the present invention, a method for error correction processing of a repeat message transmitted to a portable subscriber unit in a messaging system wherein each repeat message may... Read More
Inventors: Cannon, Gregory Lewis; Walker, Philip Mac;, Assignee: Motorola, Inc. (Schaumburg, IL) |