Data processing system having a unique address translation unit
What is claimed is: 1. In a data processing system which operates in first and second operating modes, said system responding in said first operating mode to first logical addresses containing a first... Read More
Inventors: Wallach, Steven; Holberger, Kenneth D.; Staudaner, Steven M.; Henry, Carl;, Assignee: Data General Corporation (Westboro, MA) |
Computer-monitor extended range communications link
In accordance with this invention, video signals, primary R, G, and B, and secondary r, g, and b are provided by a computer to a first signal conditioning circuit which, in two embodiments of this inv... Read More
Inventors: Asprey, Robert R.; Shatas, Remigius G.;, Assignee: Cybex Corporation (Huntsville, AL) |
Standardized alarm notification transmission alternative system
1. System Overview The APPLICANT Event Notification System will provide a significant increase in the quality and reliability of communication between central stations and the many agencies and organi... Read More
Inventors: Lewin, Thomas;, Assignee: |
Digital processing system including plural memory devices and data transfer circuitry
Additional advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The... Read More
Inventors: Umina, Leonard J.; Anselmo, Robert A.;, Assignee: Digital Equipment Corporation (Maynard, MA) |
FIFO Register with independent clocking means
This invention is a special pointer register which is used with a system having two interfacing system portions which have different operating speeds. This register permits data to be clocked into one... Read More
Inventors: Hargrove, Arthur K.; Brown, Ronald L.;, Assignee: Sperry Corporation (New York, NY) |
Method and apparatus for controlling data writing in magnetic recording subsystem
The present invention is applicable to a magnetic tape subsystem comprising a channel unit, a magnetic tape control unit having a data buffer for temporarily storing blocks of data transferred from th... Read More
Inventors: Kakuse, Katsuharu; Kageura, Kenichi; Doi, Takashi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Adapter unit for connecting a mobile computer to a network and for simulating the presence of the mobile computer when the mobile computer is not present
The present invention comprises an adapter unit for connecting a mobile computer to a computer network. The adapter unit is connected to the network and has an interface which allows connection to the... Read More
Inventors: Ezzet, Ali S.; Bassett, Carol E.; Brown, Mark L.; Thompson, Mark A.; Archuleta, Richard M.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Sequentially processing data in a cached data storage system
Referring now more particularly to the appended drawings, like numerals indicate like features in the various figures. Referring more particularly to FIG. 1, the environment in which the invention is... Read More
Inventors: Tayler, Gerald E.; Wagner, Robert E.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Image processing apparatus and method
It is an object of the present invention to improve the processing speed for a geometrical conversion of image data. It is a further object of the present invention to simplify signal processing of a ... Read More
Inventors: Osaki, Eiji;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Method for remote control message transmission delay compensation by providing pseudo-response message based on prior received responses stored in look-up table
What I claim is: 1. A method for use in a system comprising a remote controlling unit and a controlled unit controlled by said controlling unit, the controlling unit sending control-unit messages (com... Read More
Inventors: Brandt, Anders Terje;, Assignee: RE Technology AS (Copenhagen, DK) |
Data link processor for magnetic tape data transfer system
What is claimed is: 1. A peripheral-controller for operation in a system which includes a main host computer and a plurality of magnetic tape transport units, said peripheral controller is housed in a... Read More
Inventors: Baun, Kenneth W.; Saunders, Jimmy G.;, Assignee: Burroughs Corporation (Detroit, MI) |
Multiplexed and interlaced charge-coupled serial-parallel-serial memory device
Referring first to FIGS. 1 to 6 inclusive, there is shown the scrambled data bit effect produced by conventional interlaced serial-parallel-serial configurations in accordance with the prior art, in ... Read More
Inventors: Aichelmann, Jr., Frederick J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Adjusting device for axial and radial piston machines
The inventive adjusting device 1 is built onto the housing 2, which is shown in phantom lines, of an axial or radial piston pump. The axial or radial piston pump evidences a phantom line-drawn liftin... Read More
Inventors: Berthold, Heinz;, Assignee: Brueninghaus Hydraulik GmbH (DE) |
Control of data access to memory for improved video system
OF SPECIFIC EMBODIMENT Referring to FIG. 1, there may be seen a simplified representation of the components of a computer video system which employs a dual-port bit-mapped memory arrangement accordin... Read More
Inventors: Novak, Mark F.; Guttag, Karl M.; Redwine, Donald J.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Font cartridge adapter
OF PREFERRED EMBODIMENTS Referring to the FIG. 1, this invention mainly comprises the front shell 11 and rear shell 12. The front shell 11, open on one side with the interior cavity housing a multipl... Read More
Inventors: Chung, J. M.; Kung, Jerry;, Assignee: Acer Incorporated (CN) |
Document processing system
The present invention has been made in view of the above circumstances. It is an object of the present invention to provide a document processing system which can prepare and manipulate a document wit... Read More
Inventors: Hasegawa, Akihiro;, Assignee: Fuji Xerox Co., Ltd. (Tokyo, JP) |
Microprocessor based radiosonde
What is claimed is: 1. A radiosonde comprising a plurality of means for sensing selected ambient meteorological conditions, means operatively coupled to said sensing means for producing a correspondin... Read More
Inventors: Beukers, John M.; Williams, Christian B.;, Assignee: Beukers Laboratories, Inc. (St. James, NY) |
Method and apparatus for encoding binary data
An object of the present invention is to provide a method and an apparatus for encoding binary data using a method for encoding binary data which has the features of being DC free and a large minimum ... Read More
Inventors: Tanaka, Shinichi;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Serial data communication system having simplex/duplex interface
OF THE PREFERRED EMBODIMENT System Overview Machine Description Master/Area Communication System MACS Optical Link MACS I/O Instructions and Operational Overview TABLE 1 Simultaneous Area Operation S... Read More
Inventors: Daughton, John W.; Gillett, Kenneth; Nelson, Frank; Wilczek, Stephen P.;, Assignee: Xerox Corporation (Stamford, CT) |
Detecting improper operation of a digital data processing apparatus
I claim: 1. A method of testing a digital memory apparatus that comprises a memory device having first through mth separately addressable memory locations each memory location storing a digital word h... Read More
Inventors: Judge, John L.;, Assignee: Tektronix, Inc. (Beaverton, OR) |
"Simple code" encoder/decoder
WHAT IS CLAIMED IS: 1. A method for converting a ternary signal on a signal input line into a binary signal comprising the steps of: generating a high value for the binary signal when the value of the... Read More
Inventors: LaBarge, Steven B.; Waggoner, Bruce;, Assignee: The Grass Valley Group, Inc. (Nevada City, CA) |
Method and system for the efficient response to multiple different types of interrupts
It is therefore one object of the present invention to provide an improved method and system for the efficient response to multiple different types of interrupts in a data processing system. It is ano... Read More
Inventors: Beardsley, Brent C.; Leigh, David L.; Starrett, Cortland D.; Wolfe, John R.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Configuration pin emulation circuit for a field programmable gate array
The subject invention is an apparatus and method for providing a pin-to-pin emulation of SRAM-based FPGAs that is transparent to the user. The present invention may be implemented in any application s... Read More
Inventors: Modo, Ronald T.; Powell, Gary P.; Robertson, Hollis G.; Smith III, William H.;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Binary data encoding and decoding process
Briefly stated, the present invention is a binary data encoding process comprising the steps of: applying a binary data sequence; separating the applied binary data sequence at every two bits; convert... Read More
Inventors: Furukawa, Teruo; Ozaki, Minoru;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Analog digital cascade converter
More precisely, the invention concerns an analog-digital converter converting an input analog signal into an output digital signal formed by several bits, wherein the input signal is addressed in para... Read More
Inventors: Tung, Pham N.;, Assignee: Thomson Hybrides et Microondes (Paris, FR) |
Portable computer capable of switching CPU clocks
The present invention has been made in consideration of the above situation, and has as its object to provide a mechanism for arbitrarily switching clock frequencies generated by a microprocessor. The... Read More
Inventors: Sakai, Makoto; Arai, Makoto;, Assignee: Kabushiki Kaisha Toshiba (Kanagawa, JP) |
Method for maintaining data integrity during information transmission by generating indicia representing total number of binary 1's and 0's of the data
This invention may be briefly described as an improved method for maintaining the integrity of data transmission between discrete separated data processing system components through generation of sele... Read More
Inventors: Francisco, Michael H.;, Assignee: |
Data processor with on-chip logical addressing and off-chip physical addressing
An object of the present invention is to provide a data processor which can reduce conflict during access of an instruction control unit and an instruction execution unit to a main memory so as to pro... Read More
Inventors: Nishimukai, Tadahiko; Hasegawa, Atsushi; Uchiyama, Kunio; Kawasaki, Ikuya; Hanawa, Makoto;, Assignee: Hitachi, Ltd. (Tokyo, JP); Hitachi Micro Computer Engineering, Ltd. (Tokyo, JP) |
Flexible mode DES system
OF THE INVENTION (The reader should note that nearly all description below applies to encryption of decryption circuits but the explanations are limited, for the most part, to encryption.) FIG. 2 dep... Read More
Inventors: Marino, Jr., Joseph T.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Sigma delta modulator with distributed prefiltering and feedback
OF A PREFERRED EMBODIMENT FIG. 7 shows a block diagram of the inventive sigma delta modulator. A comparison of FIG. 7 and FIG. 2 indicates that the inventive modulator has an additional filter elemen... Read More
Inventors: Ferguson, Jr., Paul F.; Ganesan, Apparajan; Adams, Robert W.;, Assignee: Analog Devices, Inc. (Norwood, MA) |
I/O Systems 
