Optical information recording method
A first object of this invention is to provide a method of realizing a high erasability when a signal is to be overwritten on a recording medium using a single laser beam. A second object of this inve... Read More
Inventors: Nishiuchi, Kenichi; Yamada, Noboru;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Multi-channel echo canceler and method using convolution of two training signals
OF THE DRAWINGS In the preferred embodiments, the present invention provides, among other things, an echo canceler and method that uses specialized training signals to determine the reflective charac... Read More
Inventors: Yip, William Chunhung; Nall, Thomas; Callaghan, Thomas Gerard;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Shared memory multiprocessor performing cache coherency
In the case of constructing a switch type SMP and further dividing the interior of the SMP into partitions, as stated in the Prior Art, there are three problems to be mentioned below. (A) Slow Access ... Read More
Inventors: Tarui, Toshiaki; Okazawa, Koichi; Okada, Yasuyuki; Shonai, Toru; Okochi, Toshio; Akashi, Hideya;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Apparatus and methods for modulation and demodulation of data
The present invention seeks to provide improved methods and apparatus for modulating and demodulating data. One object of a preferred embodiment of the present invention is to provide a modulation/dem... Read More
Inventors: Frenkel, Liron;, Assignee: Orckit Communications Ltd. (Tel Aviv, IL) |
Method for transmitting multimedia packet data using a contention-resolution process
The present invention is based on a technique wherein packets received at a receiving port of a repeater are buffered and at least partially parsed or examined to determine whether they are multi-medi... Read More
Inventors: Creedon, Tadhg; Law, David J.; Lockyer, Terence D.; Horspool, Nigel;, Assignee: 3COM Technologies (Georgetown, KY) |
Insulated gate field-effect transistor read-only memory array
Applicant has discovered that the phenomenon of hot electron trapping may be utilized to fabricate improved arrays of IGFET memory cells. One cell of such an array may be fabricated with well known MO... Read More
Inventors: Bell, Antony G.;, Assignee: Fairchild Camera and Instrument Corporation (Mountain View, CA) |
Non-volatile semiconductor memory device
The present invention is conceived for solving the above-described problems and an object thereof is to provide a flash memory which enables to obtain both good performance and reliability even in the... Read More
Inventors: Ajika, Natsuo; Hatanaka, Masahiro;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Wide band constant duty cycle pulse train processing circuit
In FIG. 1, a binary signal train is shown, which has three equal values, namely binary "0", proceeding from left to right, initially in succession. A train of binary "1" and "0" signals in alternatio... Read More
Inventors: Hoppe, Karl-Heinz;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Handover between fixed and mobile networks for dual mode phones
The present invention is directed to telecommunications systems and methods for performing a handover between the fixed network and a mobile network during a call placed to or from a dual mode device,... Read More
Inventors: Ostling, Ralph;, Assignee: Ericsson Inc. (NC) |
Multiple mode personal wireless communications system
OF THE INVENTION Systems Overview The system of the invention includes a combination of elements that produce economical, convenient telecommunications services in the home, or at another customer si... Read More
Inventors: Zicker, Robert G.; Dion, John K.;, Assignee: GTE Wireless Service Corporation (Alpharetta, GA) |
Method of providing cellular and landline cordless service using a dual mode mobile telephone
OF THE PREFERRED EMBODIMENTS General Description of System Operation The preferred embodiment of the wireless communication system of the present invention, as illustrated in FIGS. 1 and 2, comprises... Read More
Inventors: Raffel, Michael A.; Bamburak, Michael D.; Glass, David R.; Jarett, Keith; Kibria, Masud; Lawrence, Christopher G.; Lee, Tony S.; Leuca, Ileana A.; Marx, Joseph P.; Nelson, Roderick; O'Neill, Paul B.; Williams, Roland E.; Winship, Peter L.;, Assignee: AT&T Wireless Services, Inc. (Redmond, WA) |
Communication device and method of operation therefore
As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which can be emb... Read More
Inventors: McKinney, John; Avanic, Branko L.; Dang, Hiep T.; Medvid, Joseph J.; Phang, Wayne M.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Nonvolatile memory having data storing area and attribute data area for storing attribute data of data storing area
To achieve the above mentioned object, a memory according to the present invention comprises a plurality of word lines, a plurality of bit lines, and a plurality of memory cells. Each of the memory ce... Read More
Inventors: Ogura, Naoyuki;, Assignee: Nec Corporation (Tokyo, JP) |
Backup switching control system and method
In the conventional backup switching method outlined above, only one operating machine is backed up per serial line connection between the machines. That is, one backup machine is assigned to each ope... Read More
Inventors: Kobayashi, Atuo; Ishii, Yasuhiro;, Assignee: Hitachi, Ltd. (Tokyo, JP); Hitachi Computer Engineering Co., Ltd. (Kanagawa-ken, JP) |
A data processing network with chordal ring factor network
What is claimed is: 1. A data processing network of degree G.gtoreq.4 comprising: at least 32 data processing stations, each station connected by bidirectional communications lines to a maximum of G o... Read More
Inventors: Van Twist, Robert A. H.; Hopmans, Franciscus P. M.; Odijk, Eddy A. M.;, Assignee: U.S. Philips Corporation (New York, NY) |
Fault recovery processing for supercomputer
It is therefore an object of the present invention to provide a fault recovery method and processor for high speed computers which minimizes the system downtime. In a high speed computer having a memo... Read More
Inventors: Jippo, Akira; Nakamura, Akihiko;, Assignee: NEC Corporation (Tokyo, JP) |
Combination wide band antenna and heating element on a window of a vehicle
The invention relates to an antenna for transmitting and/or receiving long, medium, short, and ultra short wave signals in a heating field of a window pane on a motor vehicle. For purposes of radio an... Read More
Inventors: Lindenmeier, Heinz; Hopf, Jochen; Reiter, Leopold;, Assignee: FUBA Automotive GmbH & Co. KG (Bad Salzdetfurth, DE) |
System for serializing actions of independent process groups
In the present invention, a Group Services function of the group of processing nodes arranges the process groups into a hierarchy. One embodiment of the hierarchy is a tree, with each process group be... Read More
Inventors: Badovinatz, Peter Richard; Brenner, Larry Bert; Kirby, Orvalle Theodore;, Assignee: International Business Machines Corporation (Armonk, NY) |
Dual encryption protocol for scalable secure group communication
The present invention relates generally to multicasting. More particularly, the invention relates to a dual encryption protocol for scalable secure group communication. With the widespread use of the ... Read More
Inventors: Dondeti, Lakshminath R.; Mukherjee, Sarit; Samal, Ashok;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Providing predictable scheduling of programs using a repeating precomputed schedule
The present invention provides predictable scheduling of real-time programs and non-real-time programs using a repeating precomputed schedule. In accordance with the invention, a thread scheduling sof... Read More
Inventors: Jones, Michael B.; Draves, Jr., Richard P.; Rosu, Daniela; Rosu, Marcel-Catalin;, Assignee: Microsoft Corporation (Redmond, WA) |
Method of reducing the effect of narrowband jammers in radio communication between two stations
FIG. 1 is a time chart for frequency hops in a radio communication system. The hop interval T.sub.h determines the rate at which new frequencies are generated, e.g. by a random number generator. This... Read More
Inventors: Bergstrom, Bo C.; Herolf, Knut O. M.;, Assignee: Telefonaktiebolaget LM Ericsson (Stockholm, SE) |
Methods and systems for mobile terminal assisted handover in an private radio communications network
It is, therefore, an objective of the present invention to resolve the problem of providing handover functions in a private radio communications network using a TDMA protocol such as a GSM-compatible ... Read More
Inventors: Haartsen, Jacobus Cornelis;, Assignee: Telefonaktiebolaget, L.M. Ericsson (SE) |
Handoff control for point to multipoint connections in mobile ATM networks
OF THE PREFERRED EMBODIMENTS A PNNI ATM network may conceptually be viewed as shown in FIG. 13. A PMP connection in a PNNI ATM network is shown in FIG. 14. As already mentioned, a PMP connection may ... Read More
Inventors: Li, Jun; Acharya, Arup;, Assignee: NEC Corporation (Tokyo, JP) |
Exhaust gas cleaning device for diesel engine
OF THE INVENTION Hereinafter, the present invention will be explained in accordance with the several embodiments with reference to the drawings. In FIGS. 1-3, an exhaust gas cleaning device A is conn... Read More
Inventors: Nozawa, Masaei; Kamiya, Shigeru; Yoshida, Hitoshi;, Assignee: Nippon Soken, Inc. (Nishio, JP) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
Digital signal detector
It is an object of the present invention to provide an improved detector for digital signals transmitted in serial bit streams at a predetermined bit frequency by a clock signal. It is another object ... Read More
Inventors: Sumner, Terence E.; Backof, Jr., Charles A.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Data signal reading device
Overcoming the above-noted drawbacks, the invention provides a data signal reading device in which, instead of an active H level signal with which noise is more liable to interfere, only an active L l... Read More
Inventors: Chiba, Toshihiko;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Reduced arcing contact switching circuit
What is claimed is: 1. Where alternating current is applied to a load through electrical contacts, a contact-switching circuit for opening and closing the electrical contacts at a predetermined phase ... Read More
Inventors: Dickey, John A.;, Assignee: Spatron Corporation (Palm Bay, FL) |
Method and apparatus for data alignment
The present invention is a method and apparatus for the synchronization of a receiver located on an F.sub.-- port of a Fibre Channel switch with an external N.sub.-- port to ensure the reception of tr... Read More
Inventors: Yeung, Clifford; Natarajan, Nandakumar;, Assignee: McData Corporation (Broomfield, CO) |
Accurate position measuring system
It is an object of the present invention to provide an accurate position measuring system capable of eliminating troublesomeness due to changing over the frequency in accordance with the area in order... Read More
Inventors: Akiyoshi, Masami; Mitsunaga, Yuji;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
CPUs 
