Device having signal interpolation circuit and displacement measuring apparatus comprising the device
The present invention has been made in consideration of the above situation, and has as its object to provide a device having a signal interpolation circuit having high interpolation precision. It is ... Read More
Inventors: Ishii, Satoshi; Tsukiji, Masaaki; Nishimura, Tetsuharu; Ishizuka, Koh;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
System for processing position signals to improve resolution of the position of an object
In accordance with the present invention, a pair of sensor signals from a first and second magnetic sensors operable to produce sinusoidal wave signals each having phase difference by a quarter cycle ... Read More
Inventors: Nakazato, Masakazu; Tsuchiya, Yoshitsugu; Ikenoya, Kazuhisa; Shimoura, Yoichi;, Assignee: Kayaba Kogyo Kabushiki Kaisha (Tokyo, JP) |
Jtag testing of buses using plug-in cards with Jtag logic mounted thereon
A system for testing point-to-point connections on a circuit board using JTAG comprises the circuit board, including circuitry which is to be tested using JTAG. A bus on the circuit board includes con... Read More
Inventors: Mote, Jr., L. Randall;, Assignee: Samsung Electronics Co., Ltd. (Seoul, KR) |
TAP and linking module for scan access of multiple cores with IEEE 1149.1 test access ports
In accordance with the present invention, selection and testing of multiple TAP'ed cores within a large integrated circuit can be performed without adding test interface pins beyond those specified by... Read More
Inventors: Haroun, Baher S.; Whetsel, Lee D.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Kernel streaming test method and system
The above-mentioned shortcomings, disadvantages and problems are addressed by the present invention, which will be understood by reading and studying the following specification. To solve these proble... Read More
Inventors: Chen, Yue; Hagiu, Costin;, Assignee: Microsoft Corporation (Redmond, WA) |
Semiconductor device incorporating voltage reduction circuit therein
It is therefore an object of the present invention to provide an improved semiconductor device having a storage area. It is another object of the present invention to provide a semiconductor device in... Read More
Inventors: Sanada, Kohji;, Assignee: NEC Corporation (Tokyo, JP) |
Methods and apparatus for resetting a monitored system using a gray code with alternating check bits
This need is met by the invention of the present application wherein methods and apparatus are provided for monitoring systems which progress through a series of states or program steps, such as softw... Read More
Inventors: Weber, Charles Francis; Amin, Viral Ashokkumar;, Assignee: Ford Motor Company (Dearborn, MI) |
Remote highlighting of objects in conferencing system by logically anding a highlight bitmap and a foreground bitmap
OF THE PREFERRED EMBODIMENT The present invention is an apparatus and method for highlighting information between conference participants in a conferencing system. In the following detailed descripti... Read More
Inventors: Martin, Rocco;, Assignee: Intel Corporation (Santa Clara, CA) |
Magnetic bubble memory device
The present invention has been made to eliminate the conventional drawbacks and has for its object to provide a magnetic bubble memory device having minor loops of high density without impairing bias ... Read More
Inventors: Suzuki, Ryo; Takeshita, Masatoshi; Takeuchi, Teruaki; Kodama, Naoki; Sugita, Yutaka;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Data collection terminal interrupt structure
A data collection terminal includes a number of devices including a universal synchronous asynchronous receive transmit (USART) communication controller, a random access memory, a read only memory, an... Read More
Inventors: Clark, Jr., Vincent M.; Bourgeois, David R.; Chasse, Dennis W.; Comins, Todd R.;, Assignee: Honeywell Information Systems Inc. (Waltham, MA) |
Telescoping mobile crane
The invention is directed to a device which performs the operating of extending or retracting the idle telescoping part in a shortest possible time, for example, with the aid of a so-called double cyl... Read More
Inventors: Blase, Helmut; Hogemann, Arend; Schulze, Dieter;, Assignee: Harnischfeger GmbH (DE) |
Interference suppression circuit for automobile radio receivers
We claim: 1. Interference pulse suppression circuit for a vehicular radio receiver, comprising: pulse amplifier means (8) having two input terminals, of which one is connected to a conductor that is c... Read More
Inventors: Rasehorn, Hans; Hansen, Jens;, Assignee: Blaupunkt-Werke GmbH (Hildesheim, DT) |
Multi-way program branching circuits
The capability of implementing multi-way branches anywhere in the program based on any data is provided by including in the central processing unit a plurality of addressable memory devices. The data ... Read More
Inventors: Disparte, Charles P.; Hall, Jr., Warren L.; Isaac, Kenneth N.; Mock, C. Howard;, Assignee: Xerox Corporation (Rochester, NY) |
Redundancy analyzer for automatic memory tester
What is claimed is: 1. Memory test apparatus for testing a memory under test (MUT) formed from physical structures which define a plurality of storage locations organized into a plurality of regions, ... Read More
Inventors: Augarten, Michael H.;, Assignee: Teradyne, Inc. (Boston, MA) |
Method and apparatus for testing memory devices and displaying results of such tests
The present invention provides an apparatus and method for testing a semiconductor device, and in real-time, displaying the spatial locations of errors on a display device, where the locations of the ... Read More
Inventors: Lindsay, Brent;, Assignee: Micron Technology, Inc. (Boise, ID) |
Feedback shift register
OF THE PREFERRED EMBODIMENT FIG. 6 illustrates a preferred embodiment of the feedback shift register according to the present invention. The feedback shift register shown in FIG. 6 has the same funct... Read More
Inventors: Oka, Takafumi; Nakanishi, Hiroshi;, Assignee: Hitachi, Ltd. (BOTH OF, JP); Nippon Telegraph and Telephone Public Corporation (BOTH OF, JP) |
Laser apparatus
Therefore, the primary object of the present invention is to provide a laser apparatus wherein a pumping source for providing energy for exciting a laser medium is, when functionally disordered, autom... Read More
Inventors: Kitaura, Tomimaro; Ohashi, Yutaka; Yoneda, Masami;, Assignee: Fuji Photo Optical Co., Ltd. (Saitama, JP) |
Multiple I/O bus virtual broadcast of programmed I/O instructions
According to the present invention, these and other objects and advantages are achieved in a method for performing an input/output process containing a programmed input/output instruction in a multipr... Read More
Inventors: Presant, Stephen D.;, Assignee: Prime Computer, Inc. (Natick, MA) |
Personal computer memory bank parity error indicator
Referring now to the drawing, a personal computer includes a microprocessor 10 connected to a main memory comprised of two memory banks 12 and 14 through two parity check units 16 and 18. A memory co... Read More
Inventors: Capps, Jr., Louis B.; Foster, Jimmy G.; Price, Warren E.; Rupe, Robert W.; Uplinger, Kenneth A.;, Assignee: International Business Machines Corp. (Armonk, NY) |
Circuit for selectively preventing a microprocessor from posting write cycles
OF THE PREFERRED EMBODIMENT Referring now to FIG. 1, an exemplary computer system S incorporating the preferred embodiment of the present invention is shown. In the preferred embodiment, the system b... Read More
Inventors: Melo, Maria L.; Tucker, Brian B.; Bonella, Randy M.;, Assignee: Compaq Computer Corporation (Houston, TX) |
Method of interfacing between data transmission systems having an unequal number of transceiver ports
It is an object of the present invention to provide an efficient method for transferring data between a pen-based computer and a computer peripheral. It is another object of the present invention to p... Read More
Inventors: Notarianni, John; Chan, Yuwa;, Assignee: Notarianni; John (Babylon, NY) |
Method and system for concurrent computer transaction processing
The present invention is directed to a method, system, and bus agent for concurrent transaction processing. The method transmits first and second transaction requests from one or more computer process... Read More
Inventors: Porterfield, A. Kent; Laberge, Paul A.; Jeddeloh, Joe M.;, Assignee: Micron Electronics, Inc. (Nampa, ID) |
Real-time synchronization of concurrent views among a plurality of existing applications
A synchronization system includes a motion event synchronizer and multiple application encapsulators which operate together to synchronize motion events in existing applications. The invention operate... Read More
Inventors: Hao, Ming C.; Sventek, Joseph S.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Data error correction circuit
It is an object of the present invention to provide a data error correction circuit wherein errors in shortened data of different lengths can be easily corrected at a high speed. According to one aspe... Read More
Inventors: Ohhashi, Masahide;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (JP) |
Differential to single-ended converter utilizing inverted transistors
An object of the present invention is to provide a differential to single-ended converter using I.sup.2 L device geometries for reducing the area required to fabricate the converter in an integrated c... Read More
Inventors: Jarrett, Robert B.; Pace, Wilson D.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Semiconductor memory circuit
It is an object of the invention to provide a semiconductor memory circuit which is free from fluctuations of the substrate potential with potential changes in the bit lines. In one form of the invent... Read More
Inventors: Furuyama, Tohru;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (JP) |
Dynamic event selection network
What is claimed is: 1. A digital dynamic event selection network for telephone and real time processor control systems comprising: a plurality of sources of input events each connected to said selecti... Read More
Inventors: Crabbe, Jr., Edwin P.;, Assignee: GTE Communication Systems Corporation (Phoenix, AZ) |
Neural network using random binary code
I claim: 1. A method of analog, parallel hardware implementation of neural networks with changeable connectivity pattern and changeable long term memory traces comprising: arranging a plurality of pro... Read More
Inventors: Jourjine, Alexander N.;, Assignee: |
Method of modifying the temperature drift of the propagation time of surface elastic waves and a device obtained by said method
What I claim is: 1. A method of reducing the differences in propagation time of surface elastic waves ascribed to variations in temperature of a crystalline substrate propagating said surface elastic ... Read More
Inventors: Hartemann, Pierre;, Assignee: Thomson-CSF (Paris, FR) |
Astable multivibrator
What is claimed is: 1. The combination comprising: first and second transistors, each transistor having a base, an emitter, and a collector; a first capacitor connected between the base of said first ... Read More
Inventors: Schade, Jr., Otto Heinrich;, Assignee: RCA Corporation (New York, NY) |
Fault Detection 
