Switching regulator having low power mode responsive to load power consumption
A switching mode power converter monitors the level of power supplied to a load device. The operation of a switch is controlled and used to draw power from an input source and supply power to the load... Read More
Inventors: Hwang, Jeffrey H.;, Assignee: Micro Linear Corporation (San Jose, CA) |
Method for DRAM sensing current control
OF THE PREFERRED EMBODIMENTS OF THE INVENTION Turning first to FIG. 1, a portion of a prior art bit line and sense amplifier circuit is shown. Bit storage capacitors 1A and 1B are coupled through fie... Read More
Inventors: Foss, Richard C.; Gillingham, Peter B.; Harland, Robert; Mitsuhashi, Masami; Wada, Atsushi;, Assignee: Mosaid Technologies Incorporated (Kanata, CA) |
Sense amplifier power supply circuit
OF PREFERRED EMBODIMENT For the convenience of description, a sense amplifier power supply circuit of FIG. 3 will be regarded as being formed on first and second memory cell arrays 31 and 32. In actu... Read More
Inventors: Chun, Jun-Hyun;, Assignee: LG Semicon Co., Ltd. (Cheongju, KR) |
Current monitors with independently adjustable dual level current thresholds
Current sensing circuits having independently adjustable dual-level trip thresholds for use in hot swap controllers, solid state circuit breakers and other current sensing circuits. The dual-level tri... Read More
Inventors: Vargha, Douglas A.; Maney, Bill;, Assignee: Maxim Integrated Products, Inc. (Sunnyvale, CA) |
Hysteresis comparator circuit consuming a small current
It is a general object of the present invention to provide an improved and useful hysteresis comparator circuit in which the above-mentioned problems are eliminated. A more specific object of the pres... Read More
Inventors: Takai, Masami; Sugimoto, Yasuhiro;, Assignee: Ricoh Company, Ltd. (Tokyo, JP); Yasuhiro Sugimoto (Tokyo, JP) |
Differential amplifier
What is claimed is: 1. A differential amplifier comprising at least: a first amplifier transistor whose base terminal is coupled to an emitter terminal of a first emitter-follower transistor, a second... Read More
Inventors: Dick, Burkhard;, Assignee: U.S. Philips Corporation (New York, NY) |
Hazard-free clocked master/slave flip-flop
The present invention provides a clocked master/slave flip-flop comprising a master portion having plural similar logic elements for receiving at least data and clock inputs; each logic element provid... Read More
Inventors: Gillow, George B.;, Assignee: NCR Corporation (Dayton, OH) |
Carrier detect circuit
An object of the invention is to provide an improved carrier detect circuit of the type described in U.S. Pat. No. 3,593,151 for preventing false startups of printing transducers in facsimile transcei... Read More
Inventors: Kanitz, Bruce R.; Jacobson, Charles L.;, Assignee: Xerox Corporation (Stamford, CT) |
Processor supervisory circuit and method having increased range of power-on reset signal stability
To address the above-discussed deficiencies of the prior art, the present invention provides a novel, low-cost, discrete-component processor supervisory circuit. More specifically, the present inventi... Read More
Inventors: Wittman, Brian Albert;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Low-noise frequency divider
It is an object of the invention to remedy these drawbacks to a great extent by proposing a frequency divider which generates a single parasitic signal having a unique frequency irrespective of the di... Read More
Inventors: Canard, David; Fillatre, Vincent;, Assignee: U.S. Philips Corporation (New York, NY) |
DC-to-DC converter functioning in a pulse-skipping mode with low power consumption and PWM inhibit
OF THE PREFERRED EMBODIMENTS The numerous innovative teachings of the present application will be described with particular reference to the presently preferred embodiment (by way of example, and not... Read More
Inventors: Sandri, Paolo; Borghi, Maria Rosa; Rigazio, Luca;, Assignee: SGS-Thomson Microelectronics S.r.l. (Agrate Brianza, IT) |
AC input cell for data acquisition circuits
What is claimed is: 1. An AC input cell, comprising: a first node; a second node; a first line coupled between said first node and said second node, said first line comprising a zener diode, an opto c... Read More
Inventors: Franckart, Jean-Pierre; Husson, Henri;, Assignee: GEC Alsthom Acec Transport S.A. (Charleroi, BE) |
Signal-processing multiprocessor system
It is an object of the present invention to provide a signal-processing system which makes it possible to comply with these different requirements of speed and simplicity, especially by adopting a sin... Read More
Inventors: Demeure, Alain;, Assignee: Thomson-CSF (Paris, FR) |
Microcoded microprocessor with shared ram
The present invention is a system for utilizing a single RAM array as a control store for microcode, and as a memory for other functions such as, for example, memory cache, page table cache, and scrat... Read More
Inventors: Lenoski, Daniel E.;, Assignee: Tandem Computers Incorporated (Cupertino, CA) |
Buffer memory device capable of memorizing operand and instruction data blocks at different block sizes
What is claimed is: 1. In a buffer memory device intermediate between a central processing unit and a main memory and operable to selectively memorize and read out an operand data block and an instruc... Read More
Inventors: Kamiya, Yasuaki; Nishikubo, Kenji;, Assignee: NEC Corporation (Tokyo, JP) |
Data transfer control unit permitting data access to memory prior to completion of data transfer
What is claimed is: 1. A data transfer control unit comprising: (a) first address register means for registering a first final address value of a memory area of a memory into which data are transferre... Read More
Inventors: Hanada, Masayuki;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Voltage comparator
An object of the invention is to provide a voltage comparator, which can operate efficiently with a low power voltage and can also provide a wide allowable amplitude range for an input signal. The vol... Read More
Inventors: Nagano, Katsumi;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (JP) |
Logarithmic transformation circuitry for use in semiconductor integrated circuit devices
It is therefore an object of the present invention to provide a new and improved logarithmic transformation circuit. It is another object of the invention to provide a new and improved logarithmic tra... Read More
Inventors: Koyama, Mikio; Arai, Tadashi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Low-voltage CMOS comparator
In general, the invention features a CMOS comparator which includes a capacitor connected in an electrical path between two amplification stages. The comparator also includes a voltage source, which c... Read More
Inventors: Garavan, Patrick J.;, Assignee: Analog Devices, Inc. (Norwood, MA) |
Compact comparator
FIG. 1 shows a first embodiment of the invention. The comparator circuit 100 has first and second amplifying units 102 and 103 for receiving input signals IN- and IN+, respectively. In the exemplary ... Read More
Inventors: Afghahi, Morteza;, Assignee: Intel Corporation (Santa Clara, CA) |
Synchronizing circuit for receiving an asynchronous input signal
It is an object of the present invention to provide a synchronizing circuit capable of reducing the time length of the metastable state with a relatively simple structure, thereby reducing power dissi... Read More
Inventors: Shionoya, Shinichi;, Assignee: NEC Corporation (Tokyo, JP) |
Virtual network architecture for connectionless LAN backbone
FIG. 1 provides a conceptual overview of a network in which the present invention operates. The network includes a plurality of LAN segments coupled to end systems or nodes on the network. The LAN se... Read More
Inventors: Hart, John H.; Sherer, W. Paul;, Assignee: 3Com Corporation (Santa Clara, CA) |
Fluid temperature monitoring system
The present invention is related to a temperature monitoring system, especially for monitoring fluid temperatures, such as the water temperature of water exiting from a faucet in a sink or shower or t... Read More
Inventors: Ziegler, Jr., Eldon W.;, Assignee: |
Protective composite liner
The present invention satisfies the need for a simple cost-effective means to prevent spills of material and liquids from ruptured vessels, such as ocean-going tankers, or other containment means for ... Read More
Inventors: Faghri, Amir;, Assignee: Wright State University (Dayton, OH) |
Method and apparatus for enhancing the operation of a data processing system
What is claimed is: 1. In a data processing sytem including: processor means for processing said data; memory means for storing said data and for storing instructions for directing operations of said ... Read More
Inventors: Guyer, James M.; Epstein, David I.; Keating, David L.; Anderson, Walker; Veres, James E.; Kimmens, Harold R.;, Assignee: Data General Corp. (Westborough, MA) |
Universal power supply monitor circuit
Accordingly, it is an object of the present invention to provide an improved power supply monitor circuit with exceptional flexibility. Another object of the present invention is to provide a power su... Read More
Inventors: Alberkrack, Jade H.; Tisinger, Eric W.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Comparator for an analog to digital converter
Broadly speaking, the present invention relates to a comparator having a reduced circuit area that operates with low power consumption. The invention also relates to an A/D converter which has a high ... Read More
Inventors: Okada, Kouji;, Assignee: Fujitsu Limited (Kanagawa, JP) |
Arrangements for the one-dimensional or multi-dimensional determination of the position of a load suspension point in hoists
OF THE PRESENTLY PREFERRED EMBODIMENTS FIG. 1 illustrates a carrying cable suspension 7 with a carrying cable 3 and a load attack point 1. The carrying cable suspension 7 is two-dimensionally movable... Read More
Inventors: Doemens, Guenter; Wichner, Wolfgang;, Assignee: Siemens Aktiengesellschaft (Munich, DE) |
Pipelined control apparatus with multi-process address storage
The present invention seeks to provide more efficient and adaptable control of pipelined data processing systems. In accordance with the present invention an m-stage data processing pipeline (m>1) ... Read More
Inventors: Crockett, Peter N.; Jewett, Robert P.; Scriver, Arthur J.; Tucker, Thomas A.;, Assignee: International Business Machines Corp. (Armonk, NY) |
Synchronous manufacturing service request and acknowledge panel circuit
OF THE INVENTION Referring to FIG. 1, the implementation of this invention shown includes a set of operator stations 80, 81, request panel 88, including circuit 91, serial interface 12 and acknowledg... Read More
Inventors: Dahl, Craig M.; Rahhal, Rodger G.;, Assignee: General Motors Corporation (Detroit, MI) |
I/O Systems 
