Selectively operable mask generator
In accordance with the present invention, a selectively operable mask generator circuit is provided which generates a mask in the form of a binary word having its inhibiting bits at a predetermined bi... Read More
Inventors: Armstrong, Rolfe D.; Lang, Jr., Charles R.;, Assignee: NCR Corporation (Dayton, OH) |
Fuel control system with calibration learning capability for motor vehicle internal combustion engine
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A fuel control system for an internal combustion engine having combustion space into ... Read More
Inventors: Bowler, Lauren L.; Lahiff, John E.;, Assignee: General Motors Corporation (Detroit, MI) |
System for metering electrical energy with remote time signal correlation
Having described our invention in such terms as to enable those skilled in the art to understand and practice it, we claim: 1. In a system for metering the electrical energy consumption in each of a p... Read More
Inventors: Emerson, Paul J.; Hedges, Walter P.;, Assignee: Cyborex Laboratories, Inc. (Phoenix, AZ) |
Open collector bit driver/sense amplifier
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent is: 1. An improved sense amplifier comprising: a bit line connected to a plurality of memory cells; a fi... Read More
Inventors: Malaviya, Shashi D.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Semiconductor switch
What is claimed is: 1. A semiconductor switch comprising a PNPN switch, first and second transistors and a level shift element, wherein one outermost PN junction of said PNPN switch is shortcircuited ... Read More
Inventors: Ohhinata, Ichiro;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Interface circuit for interconnecting peripherals to an information processing device
Accordingly, it is an object of the present invention to provide an improved interface circuit for an information processing device in which all the buffers included therein are continuously powered. ... Read More
Inventors: Yamamoto, Hidehiko;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Level converting circuit for converting voltage levels, including a current amplifying arrangement
We claim: 1. A level converting circuit for transforming differential input voltages into an output voltage comprising: voltage-to-current conversion means for transforming said differential input vol... Read More
Inventors: Ueno, Masahiro; Kurita, Kozaburo; Masuda, Ikuro; Miyakawa, Nobuaki;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Method and means for detecting an outgoing failure in a bidirectional communications span and looping the same in response thereto
The present invention overcomes these and other problems by incorporating the following features: (1) the device of this invention has the capability of isolating span troubles by transmitting and mon... Read More
Inventors: Lima, Paul J.; Townsend, Todd V.;, Assignee: Lynch Communication Systems (Reno, NV) |
Arrangement for checking a contact inserted between a transmitter circuit and a receiver circuit to allow electrical signals to be transmitted
I claim: 1. An arrangement for checking the quality of contact between a transmitter circuit situated upstream and a receiver circuit situated downstream, the contact being made to enable electrical s... Read More
Inventors: Giraud, Georges M.;, Assignee: Compagnie Internationale pour l'Informatique Cii-Honeywell Bull (Societe (Paris, FR) |
Self-adjusting regulation system
Hence, it is a primary object of the present invention to provide an improved self-adjusting regulation system which is not associated with the aforementioned drawbacks and limitations of the prior ar... Read More
Inventors: Eicher, Walter;, Assignee: Contraves AG (Zurich, CH) |
Multiprocessor-type fast fourier-analyzer
OF THE INVENTION The systems engineeering design of the fast Fourier analyzer apparatus according to the invention is presented in the attached block diagram. The analog signal to be analyzed is cond... Read More
Inventors: Rajkai, Gabor; Szabo, Rozalia; Dohar, Istvan; Vinkovits, Sandor; Hetei, Marta; Florian, Gyorgy;, Assignee: Elektroakusztikai Gyar (Budapest, HU) |
Bidirectional shift register using parallel inverters with adjustable transconductance
What is claimed is: 1. A bidirectional shift register comprising a plurality of cells, first gate means for serially connecting said plurality of cells, each cell including first and second circuit po... Read More
Inventors: Rempfer, William C.; Redfern, Thomas P.;, Assignee: Linear Technology Corporation (Milpitas, CA) |
Comparator circuit having improved output characteristics
The present invention has been completed in order to solve the above-mentioned problems, and the object of the present invention is to prevent the delay of the operational speed of the comparator circ... Read More
Inventors: Kousaka, Kunimitsu; Gotoh, Kunihiko; Kobayashi, Osamu;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Wire length meter suppling current to a wire from which a signal representative of length is derived
Accordingly, it is a general object of the present invention to provide a method and an apparatus for determining the length of wires wound on a reel which is relatively simple and economical to manuf... Read More
Inventors: Rocci, Joseph A.; Crosetto, John; Earle, Kent L.; Kirby, David W.;, Assignee: Etcon Corporation () |
Injection system for tandem accelerators
The present invention relates to an apparatus which overcomes the foregoing problems and includes a new injection apparatus for focusing the negative ions to a beam waist at the terminal. The feature ... Read More
Inventors: Purser, Kenneth H.;, Assignee: High Voltage Engineering Europa B.V. (Amersfoort, NL) |
Electronic keyboard percussion instrument
It is therefore an object of the present invention to provide an electronic keyboard percussion instrument which is compact and lightweight and can be easily played and handled. It is another object o... Read More
Inventors: Takeuchi, Akihiko; Mizuguchi, Masaaki;, Assignee: Nippon Gakki Seizo Kabushiki Kaisha (Hamamatsu, JP) |
Trolley-pole retrieval method and apparatus
I claim: 1. A method for retrieving a dewired trolley pole of a vehicle comprising the steps of: (a) determining whether said vehicle is in motion; (b) determining whether a low voltage condition exis... Read More
Inventors: Stirling, Robert T.; Jandera, Milan; Fiddis, Eric; Strachan, Gary J.;, Assignee: BC Transit (Burnaby, CA) |
Differential capacitive position encoder
System Description FIG. 1 illustrates an ink jet printing system incorporating a typewriter 1 with an associated magnetic card recording/reproducing unit 2. Card unit 2 is shown for convenience only ... Read More
Inventors: Dobson, Donald R.; Williams, Robert A.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Range selectable contactless data acquisition system for rotating machinery
The invention provides for contactless transfer of data and power signals between stationary data reception circuitry and rotatable data collection-transmission circuitry. The data collection-transmis... Read More
Inventors: Reschovsky, John M.; Hunt, Gerald P.;, Assignee: General Electric Company (Schenectady, NY) |
Process for the capacitive measurement of lengths and of angles
I claim: 1. A capacitive process for the measurement of lengths and of angles, which uses a plurality of emitting electrodes (10) arranged in series, and at least one receiving electrode (20) which fa... Read More
Inventors: Meyer, Hans U.;, Assignee: |
Capacitive mask aligner
During the processing of an electronic chip a semiconductor wafer is exposed to a radiation source in order to develop a photoresist layer on top of the wafer. A mask is used between the source and th... Read More
Inventors: Neukermans, Armand P.; Boyden, James H.; Garrettson, Garrett A.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Space target with multi-spectral energy reflectivity
An object of the present invention is to provide a dual spectrum capability reflecting apparatus suitable for use as a simulated target for space weapons. Another object of the invention is to provide... Read More
Inventors: Matosian, Kenneth R.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Apparatus for gauging the shape of a conducting surface
Apparatus is provided for gauging the shape of an electrically conductive specimen surface and for determining load distribution on two normally mateable specimen surfaces. A capacitance pad having a ... Read More
Inventors: Shum, Lanson Y.; Brecker, James N.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Multi-mode modem for automatically switching between data transmit and control command modes
The modem of this invention, which overcomes the above-discussed and numerous other disadvantages and deficiencies of the prior art, includes an identification signal detection section for detecting a... Read More
Inventors: Nakano, Takahiko; Yoshikawa, Shuichi;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Demodulation device and communication processing apparatus provided with same
An object of the present invention is to provide a demodulation device which is capable of overcoming the drawbacks of the conventional techniques. An object of the present invention is to provide a c... Read More
Inventors: Matsui, Hisayoshi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
High speed serial communications link for desktop computer peripherals
The system of this invention, which is sometimes referred to herein as DeskNet.TM., addresses the full range of user class I/O devices. These range from near-zero bandwidth devices, such as keyboards,... Read More
Inventors: Lee, David D.; McAuley, Derek; Wilhelm, Neil; Northcutt, J. Duane;, Assignee: |
Method and apparatus for DMA boot loading a microprocessor without an internal ROM
In general, and in a form of the present invention, a microprocessor which has a central processing unit (CPU) and an internal memory, is further equipped with direct memory access (DMA) circuitry whi... Read More
Inventors: Baltz, Philip K.; Seshan, Natarajan; Shipp, Ron A.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Method and apparatus for controlling data flow between devices connected by a memory
FIG. 1 illustrates a system in which devices are connected by a memory to communicate data from one device to the other. In this interconnect, a first device 10 is connected to a second device 12 thr... Read More
Inventors: Frink, Craig R.;, Assignee: Avid Technology, Inc. (Tewksbury, MA) |
Programmable controller including intelligent module
It is therefore an object of the present invention to provide a programmable controller which facilitates modifications to programs running thereon, readily accommodates addition and removal of intell... Read More
Inventors: Seki, Kenji; Ito, Atsushi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Data processing system and data processing method
According to one aspect of the present invention, a data processing system comprises: a plurality of data processing modules for performing a series of data processing, wherein each of the plurality o... Read More
Inventors: Matsuki, Hiroyuki; Takai, Kensuke;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
I/O Systems 
