System and method for copy-protecting distributed video content
The present invention relates to a secure video content processor. The secure video content processor comprises (1) a first cryptographic unit, (2) a frame buffer, and (3) a second cryptographic unit.... Read More
Inventors: Davis, Derek L.;, Assignee: Intel Corporation (Santa Clara, CA) |
Session control method for rewriting information in a session control device in an interactive processing system
The present invention therefore contemplates to provide a session control system in an interactive processing system which eliminates the problems of the prior art systems described above. The present... Read More
Inventors: Hamazaki, Takashi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
System and method for generalized network topology representation
It is an object of the present invention to provide an improved method and apparatus for encoding and displaying a general network topology for a communications network. It is another object of the pr... Read More
Inventors: McKenna, John Joseph; Nascimento, Luciene Costa; Schlachter, Gary Alan; Beck, Jonathan Stephen; Cohen, Alison;, Assignee: International Business Machines Corporation (Armonk, NY) |
Apparatus for securing electrical connectors
What is claimed is: 1. Apparatus for securing an electrical connection box housing a first electrical connector, to a second electrical connector, comprising: an electrical connection box having at le... Read More
Inventors: Poulain Ricros, Andre;, Assignee: |
Quick connect/disconnect microwave connector
OF DRAWINGS With reference to FIGS. 1, 2 and 3, an illustrative microwave connector 10 in accordance with the invention is shown. The connector 10 can be pushed on and pulled off a conventional femal... Read More
Inventors: Guimond, Ronald; Martiniello, Anthony; Hardy, David W.; Tellier, Raymond;, Assignee: Adams-Russell Electronic Company, Inc. (Amesbury, MA) |
Process for interconnecting microprocessors
The present invention aims then at eliminating these recognition interfaces. For this, the present invention provides a process for interconnecting microprocesors connected to a series data bus, in wh... Read More
Inventors: Lamiaux, Sylves;, Assignee: Societe d'Applications Generales d'Electricite et de Mecanique Sagem (Paris, FR) |
Data processor enabling prioritizing of concurrent tasks
An object of the invention is to provide a data processor in which the process of inputting data is preferred to the outputting of print data to a printing device when data is being input to the proce... Read More
Inventors: Hirata, Keiichi; Ban, Tomohiro; Kawasumi, Atsuko; Nakagawa, Kazuko; Mizutani, Yukimi; Tsuruki, Satoru;, Assignee: Brother Kogyo Kabushiki Kaisha (Aichi, JP) |
Multiprocessor system for updating status information through flip-flopping read version and write version of checkpoint data
A method and apparatus for providing improved communication among processors in a multi-plexed data area computer complex is disclosed and claimed. The complex includes processors, main storage with p... Read More
Inventors: Bank, Judith H.; Familetti, Harry G.; Lickel, Charles W.;, Assignee: International Business Machines corp. (Armonk, NY) |
System and method for optimizing and generating computer-based code in a parallel processing environment
The present invention overcomes the deficiencies of the devices discussed above by providing a system and method for separating non-elemental statements from elemental statements during the compilatio... Read More
Inventors: Sabot, Gary W.; Lively, David F.; Vasilevsky, Alexander D.;, Assignee: Thinking Machines Corporation (Cambridge, MA) |
System for running incompatible graphics programs
We claim: 1. In a computer system capable of operating with a plurality of computer programs, some of which are normally compatible with an output display device connected to said computer system and ... Read More
Inventors: Bril, Vlad; Heller, Paul W. T.;, Assignee: Cirrus Logic, Inc. (Fremont, CA) |
Methods and apparatus for performing restricted token operations on an FDDI network
FIG. 1 depicts an FDDI configuration corresponding to an FDDI Class A station suitable for engaging in restricted dialog with other stations on a token ring. For the sake of completeness FDDI data fl... Read More
Inventors: McCool, John F.;, Assignee: Advanced Micro Devices, Inc. (Sunnyvale, CA) |
Memory disk buffer manager
We claim: 1. A data processing system comprising: at least one storage means for storing and retrieving data; a storage interface means for controlling the storing and retrieving of data from said sto... Read More
Inventors: Barrett, Gerald G.; Pasha, Syed Z.; Shaheen-Gouda, Amal A.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Arm protector
The aforesaid and other objectives are provided by an arm protector which is formed from a knitted cotton inner layer, an knitted cotton intermediate layer and an outer layer knitted from a convention... Read More
Inventors: Elliott, Grady N.;, Assignee: |
Sleeve-glove attachment assembly for protective coveralls
In accordance with the invention a sleeve-glove attachment assembly is provided for protective coveralls for use in protecting the wearer in a hazardous environment. The coveralls include torso, leg a... Read More
Inventors: Lewis, Jr., Milton A.; Mason, Jeffrey S.; Swinford, Carson B.; Wisemann, Sr., Timothy R.;, Assignee: E. I. DuPont de Nemours and Company (Wilmington, DE) |
Recording control apparatus
An object of the present invention is to provide recording control apparatus having a recording head capable of achieving compensation for the drive signals applied thereto. Another object of the pres... Read More
Inventors: Noda, Atsushi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
System and method for providing data and program code to a card for use by a reader
OF THE DRAWINGS Referring to FIG. 1, there is illustrated system 1 for transferring data from source database 2 and program code from computer 3 to external card 4 wherein external card 4 may be, for... Read More
Inventors: Sandig, Bruce Darryl; Matlock, John Edward; Pringle, Roy David;, Assignee: Infopak Inc. (Phoenix, AZ) |
Block counter system to monitor data transfers
The present invention involves a data transfer network wherein a peripheral-controller known as a data link processor is used to manage and control data transfer operations between a peripheral such a... Read More
Inventors: Sheth, Jayesh V.;, Assignee: Burroughs Corporation (Detroit, MI) |
Controller burst multiplexor channel interface
According to this invention there are two complete BMC interfaces (i.e. a dual interface) within the controller, one interface to handle the transfer of data to and from host memory, and the other int... Read More
Inventors: Goekjian, Kenneth S.;, Assignee: Data General Corporation (Westboro, MA) |
Decoder for convolutionally encoded information
These needs and others are substantially met through provision of the method and apparatus disclosed herein. Pursuant to the method, a decoder receives a convolutionally encoded stream of information.... Read More
Inventors: Winter, Eric H.; Gerson, Ira A.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Analog timepiece including means for signalling a change of mode
The present invention thus has as objective a timepiece having an analog display exhibiting at least two selectable operating modes, a first referred to as time mode and a second referred to as non-ti... Read More
Inventors: Koch, Daniel;, Assignee: Eta SA Fabriques d'Ebauches (Granges, CH) |
Magnetooptical recording method and apparatus utilizing shift adjustment
The above prior art does not mention a shift between application timings of recording magnetic fields and data domain generation timings, i.e., a data write timing shift, thus posing a problem that it... Read More
Inventors: Nagai, Nobuyuki; Maeda, Takeshi; Saito, Atsushi; Nakao, Takeshi; Watanabe, Hitoshi;, Assignee: Hitachi, Ltd. (Tokyo, JP); Hitachi Maxwell (Osaka, JP) |
Optical information recording or reproducing apparatus with asymmetry compensation
Accordingly, it is an object of the present invention to provide an optical information recording or reproducing apparatus which uses a viterbi algorithm for reproducing information recorded on an opt... Read More
Inventors: Fujita, Goro; Tobita, Minoru;, Assignee: |
Method of error correction
Accordingly, it is an object of this invention to provide an improved method of error correction which can solve the prior art problem and correct errors at high speed. Another object of the invention... Read More
Inventors: Sako, Yoichiro; Odaka, Kentaro;, Assignee: Sony Corporation (Tokyo, JP) |
Data record with pre-recorded transducer positioning signals, and system for utilizing same
The present invention provides novel and advantageous servo record format techniques which are especially advantageous for use in multiple-track, high-density tape recording applications, particularly... Read More
Inventors: Klumpp, Marlin K.; Mueller, Joseph H.; Lum, Francis; Irwin, Samuel N.;, Assignee: Irwin Magnetic Systems, Inc. (Ann Arbor, MI) |
Pattern data generator
In view of the above-described problem, it is an object of the present invention to provide a pattern data generator by which, in case the format data pattern is formed in the base plate of the disc u... Read More
Inventors: Ishida, Takehisa; Takeda, Toru;, Assignee: Sony Corporation (Tokyo, JP) |
Recording medium with unembossed area indicating sector divisions
It is, therefore, an object of the invention to provide a recording medium in which a desired sector can be accessed even in the case of using modulating method such as NRZI in which a pattern which d... Read More
Inventors: Senshu, Susumu; Yamagami, Tamotsu; Wachi, Shigeaki; Watanabe, Tetsu;, Assignee: Sony Corporation (Tokyo, JP) |
Magnetic disk apparatus of constant-density recording type, magnetic disk used therefor and servo-writing device for patterning on the magnetic disk
The constant-density recording provides a greater amount of information per one circle of track in the outer zones of the magnetic disk so that with the rotation speed of the magnetic disk being fixed... Read More
Inventors: Tsuyoshi, Toshiaki; Seo, Yosuke; Aoi, Hajime; Saito, Makoto;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Optical recording/reproducing apparatus including means for synchronizing the phase of a data read clock signal with data recorded on an optical recording medium
I claim: 1. An optical recording/reproducing apparatus for recording data on a recording medium and reproducing the data, wherein the recording medium includes a previously recorded synchronizing sign... Read More
Inventors: Ogawa, Hiroshi;, Assignee: Sony Corporation (Tokyo, JP) |
Disk record medium, and method and apparatus for recording and reproducing information onto and from the same
It is therefore a first object of this invention to provide a recording and reproducing method in which the record density on the outer track of a disk record medium can be improved, while enabling st... Read More
Inventors: Shimizu, Kikuo; Arai, Shinichi; Mizokami, Takuya; Maeda, Takeshi; Saito, Atsushi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Magneto-optical disk drive having multiple electromagnet elements
Therefore, to solve the defects as described above, it is an object of the present invention to provide a magneto-optical disk drive having a simple structure adopting a double-sided recording method,... Read More
Inventors: Kim, Young-woong; Yoo, Ick-hyoung; Lee, Chul-woo;, Assignee: Samsung Electronics Co., Ltd. (Kyunki-do, KR) |
Fault Detection 
