Dual bus system with multiple processors having data coherency maintenance
The present invention provides a specialized dual system bus capability by which different types of processor modules having different types of cache functions can be connected and integrated for effi... Read More
Inventors: Tran, Dan Trong; Ricci, Paul Bernard; Sheth, Jayesh Vrajlal; White, Theodore Curt; Cowgill, Richard Allen;, Assignee: Unisys Corporation (Blue Bell, PA) |
Heat sink
The object of the present invention is to solve the above-described drawbacks presented in conventional heat sink. It is another object of the present invention to provide a heat sink that has high he... Read More
Inventors: Kinoshita, Joji; Kinoshita, Takahiro;, Assignee: Yamato Corporation (Taipei, TW) |
Missing clock detection circuit
Missing clock pulses are detected in accordance with the present invention by a detection circuit for reading encoded data including a timer for measuring a first time or period which is of greater du... Read More
Inventors: Takii, Tomio;, Assignee: NCR Corporation (Dayton, OH) |
Method and apparatus for qualifying data
OF PREFERRED EMBODIMENTS Referring to FIGS. 1-4, the hardware components of an embodiment of the present invention are illustrated and the following discussion is directed thereto. In FIG. 1, an Anal... Read More
Inventors: Bucska, Nicholas J.; Hopper, James F.;, Assignee: Amcodyne Incorporated (Longmont, CO) |
Self-synchronizing optical imaging system
A self-synchronizing optical radiation imaging device is provided having optics for receiving optical radiation and an optical image delay system for delaying at least a portion of the optical radiati... Read More
Inventors: Manning, Richard J.;, Assignee: International Laser Systems, Inc. (Orlando, FL) |
Pulsed light signal receiver
I claim: 1. A receiver for pulsed light signals comprising: a pulsed light detecting means including a phototransistor having base and collector and emitter electrodes, means for biasing the base of s... Read More
Inventors: Reeve, Gerome R.;, Assignee: Titus; Gerald F. (Denver, CO) |
Convolution filter arrangement for digital multifrequency receiver
In the illustrative digital switching system of FIG. 1, a digital switching network 10 operates under control of a program controlled facility 11 and provides for the switching of digitally encoded s... Read More
Inventors: Metz, Reinhard;, Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ) |
Delay time checking arrangement
Accordingly, it is an object of the present invention, to provide a delay time checking arrangement for checking the delay time in a signal propagated between first and second circuit blocks to be che... Read More
Inventors: Satoh, Tatsuo;, Assignee: NEC Corporation (Tokyo, JP) |
High-speed multi-port FIFO buffer circuit
OF THE INVENTION FIG. 1 shows a data packet switch which consists of n input lines 5a-n, each of which is connected to a separate router 10a-n. All of the routers 10a-n are connected to a single pack... Read More
Inventors: Denzel, Wolfgang E.; Engbersen, Antonius J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Reducing memory access in a multi-cache multiprocessing environment with each cache mapped into different areas of main memory to avoid contention
This invention discloses a method for screening the memory accesses and thereby freeing the cache to service their processor in multiple caches and a circuit which implements this method. Additional c... Read More
Inventors: Shah, Salim A.;, Assignee: Advanced Micro Devices, Inc. (Sunnyvale, CA) |
Flex circuit connector assembly and method for manufacturing the same
The present invention recognizes the need for an improved flex circuit connector assembly that can be used to interconnect a flex circuit to a rigid circuit board or to another flex circuit while addr... Read More
Inventors: Garner, Ronald N.;, Assignee: The Foxboro Company (Foxboro, MA) |
Low inductance circuit apparatus with controlled impedance cross-unders and connector for connecting to backpanels
The present invention is directed to a rigid/flex printed wiring board comprising an integral structure of at least first and second multilayer wiring board portions connected together by an integral ... Read More
Inventors: Gulbranson, Glenn J.; Young, Steven J.; Kenealey, Gerald W.;, Assignee: Ceridian Corporation (Minneapolis, MN) |
Cover arrangement for electrolytic capacitors
The combinations of the features recited by the Patent claims 1 and 3 are provided in order to achieve the objects of the invention. Advantageous refinements and developments of the invention are furt... Read More
Inventors: Klaschka, Rudolf;, Assignee: |
Ejection mechanism
In its first preferred embodiment, the present invention comprises a housing for up to two cards and ejection mechanisms for both cards. Although this first embodiment is illustrated as being capable ... Read More
Inventors: Law, David; Boyle, Dennis; Herron, Matt;, Assignee: Apple Computer, Inc. (Cupertino, CA) |
Computer system having a structure for easy assembling/disassembling of peripheral equipment
Accordingly, it is an object of the present invention to provide an improved portable computer. It is another object to provide a housing for a portable computer that readily permits insertion and rem... Read More
Inventors: Choi, Phil-Kyu;, Assignee: SamSung Electronics Co., Ltd. (Suwon, KR) |
Media eject mechanism
It has been discovered that a media eject mechanism which includes an L shaped eject member having an ejection spring portion and a lock spring portion and a media housing which engages the lock sprin... Read More
Inventors: Moore, Andrew W.; Gluskoter, Steven D.;, Assignee: Dell USA, L.P. (Round Rock, TX) |
Media module locking and ejecting mechanism
In accordance with the present invention, an apparatus for locking and ejecting a media module in a media bay includes a locking device engaging the media module to lock the media module in a locked p... Read More
Inventors: Howell, Bryan F.; Busch, John P.; Haven, Kenneth R.; Lau, Tim O.;, Assignee: Dell USA, L.P. (Round Rock, TX) |
Device for mounting fan in a portable computer
Accordingly, it is an object of the present invention to provide an improved device for mounting a fan inside a portable computer. It is another object to provide a device for mounting a fan inside a ... Read More
Inventors: Cho, Duk-Soon;, Assignee: SamSung Electronics Co., Ltd. (Kyungki-do, KR) |
Personal digital assistant and associated computer host device bay structure
In carrying out principles of the present invention, in accordance with a preferred embodiment thereof, computer apparatus is provided which includes a personal digital assistant device (PDA), a host ... Read More
Inventors: Hulsebosch, David A.;, Assignee: Compaq Computer Corporation (Houston, TX) |
Portable computer having latching hooks
In one embodiment, as shown in FIG. 1, computer system 10 includes a microprocessor 12, which is connected to a bus 14. Bus 14 serves as a connection between microprocessor 12 and other components of... Read More
Inventors: Howell, Bryan F.; Wahl, Rick; Brostrom, Jeff; Skillman, Peter; Deruntz, Otto;, Assignee: Dell USA, L.P. (Round Rock, TX) |
Data set network diagnostic system
FIG. 1 depicts a communication system, or network, in which the present invention is used. In particular, a computer 2 communicates on a time shared basis with a plurality of data terminals 3a, 3b, .... Read More
Inventors: Darling, Donald W.; Dennis, Thomas M.; Thayer, Stevan J.; Zimmer, Bonnie A.;, Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ) |
Recording medium of flat surface with resin filled ring grove
Accordingly, a general object of the present invention is to provide a disc and a manufacturing method of the disc in which the above disadvantages have been eliminated. A specific object of the prese... Read More
Inventors: Higuchi, Yuichi;, Assignee: Victor Company of Japan, Ltd. (Kanagawa, JP) |
Analog subscriber carrier system repeater with automatic gain and slope correction
OF THE INVENTION Referring now to FIG. 1 a subscriber carrier terminal at central office 2 is designed to transmit a plurality of 4 kHz channels in a high frequency band (88 kHz-160 kHz) along path 4... Read More
Inventors: Blackburn, Tom L.; Farrell, David J.;, Assignee: GTE Communication Systems Corporation (Phoenix, AZ) |
Plasma panel display selectively updatable on pel line basis
The system arrangement shown in FIG. 1 includes a processor 10 which may, typically, include a personal computer such as an IBM Personal Computer XT and, optionally, a control module by which data ge... Read More
Inventors: Ellis, Jr., Joseph J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Display device
: It is an object of the present invention to provide a display control unit for performing optimal drive control while effectively utilizing characteristics of a ferroelectric liquid crystal element ... Read More
Inventors: Inoue, Hiroshi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Circuit arrangement for synchronizing the units in the switching exchanges and repeaters of a time-division multiplex transmission system
OF THE PREFERRED EMBODIMENTS The synchronizing circuit according to the invention is further described and explained hereinafter, for the case in which it is utilized in a converting device for signa... Read More
Inventors: Keilholz, Heinz;, Assignee: U.S. Philips Corporation (New York, NY) |
Multiport memory device
Accordingly, the object of the present invention is to provide a multiport memory device capable of reading data without permitting the data in the memory cell to be destroyed, with a minimum increase... Read More
Inventors: Ueno, Kiyoji;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Self-monitoring system
It is therefore an object of the present invention to provide a self-monitoring system capable of dependably detecting the occurrence of such an abnormal condition through self-monitoring. A self-moni... Read More
Inventors: Kawahara, Masafumi;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Architecture for a universal serial bus-based PC flash disk
OF THE INVENTION The present invention is of a flash memory device, containing one or more flash modules, in which the flash memory is mapped to the address space of an ASIC or a controller which has... Read More
Inventors: Ban, Amir; Moran, Dov; Ogdan, Oron;, Assignee: M-Systems Flash Disk Pioneers Ltd. (Tel Aviv) |
Reduction of nonspecific hybridization by using novel base-pairing schemes
OF THE INVENTION Definitions and nomenclature Before the present invention is disclosed and described in detail, it is to be understood that this invention is not limited to specific assay formats, m... Read More
Inventors: Collins, Mark L.; Horn, Thomas; Sheridan, Patrick J.; Warner, Brian D.; Urdea, Michael S.;, Assignee: |
I/O Systems 
