Digital pulse detector circuit having selectable false alarm rate
A method and apparatus is disclosed for detecting a repeated pulse in an input signal in which the input signal is included within a noisy environment. The method samples the input signal during seque... Read More
Inventors: Poston, Billy R.; Atkinson, Stuart L.;, Assignee: E Systems, Inc. (Dallas, TX) |
Noise generator with shaped spectrum
The invention is the first self-filtering pseudorandom noise generator. This is accomplished by implementing a FIR filter in a feedback shift register sequence generator by applying a suitable multipl... Read More
Inventors: Hart, Billy D.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Noise immune data regenerating circuit for video signal reproduction
According to a broader aspect of the invention, a data regenerating circuit is provided for video disk recording and playback systems which eliminates the prior art disadvantage by detecting random no... Read More
Inventors: Kaneko, Kenji;, Assignee: Victor Company of Japan, Ltd. (JP) |
Device for detecting the exceeding of a temperature threshold
In order to obtain this result the invention provides a device for detecting the exceeding of a temperature threshold having a first part, which can move within a sealed chamber containing a temperatu... Read More
Inventors: Toupin, Joseph F.; Douesnel, Xavier;, Assignee: |
Monitoring effects of a liquid on metallic installations
What is claimed is: 1. Process for monitoring the corrosive, erosive and/or encrusting nature of a liquid with respect to a metallic installation, comprising: immersing a metallic probe into the liqui... Read More
Inventors: Tytgat, Daniel; Degols, Albert;, Assignee: Solvay & Cie. (Brussels, BE) |
Single laminated element for thermal printing and lift-off correction, control therefor, and process
What is claimed is: 1. A laminated element for thermal printing and correcting said printing by lift-off correction comprising an electrically resistive supporting substrate carrying an active layer f... Read More
Inventors: Anderson, Clifford W.; Findlay, Hugh T.; Watkins, Nancy C.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Drive for thermal printing lift-off correction
What is claimed is: 1. A thermal printer having a power source to power heat-producing elements in a column simultaneously moved across the area of a printed character which can be selectably activate... Read More
Inventors: Bartlett, John C.; Bohnhoff, Alan E.; Croley, Donald F.; Dyer, Stanley; Edds, Kenneth E.; Horlander, Frank J.; Stafford, Donald W.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Printing apparatus with a thermal print head
Accordingly, it is an object of the present invention to provide a printing apparatus having a thermal print head, which is capable of performing a high-quality printing on an unsmooth or uneven surfa... Read More
Inventors: Yamamoto, Takemi; Tomida, Yasutaka;, Assignee: Brother Kogyo Kabushiki Kaisha (Aichi, JP) |
Thermal printer for printing on rough surface
Accordingly, an object of the present invention is to provide a thermal printer capable of printing on any kind of print paper including a poor quality paper. Another object of the present invention i... Read More
Inventors: Kuge, Akira;, Assignee: NEC Corporation (JP) |
DC to DC Converter
It is an object of the invention to provide a power supply circuit high in efficiency. It is another object of the invention to provide a power supply circuit which can produce a stable DC voltage at ... Read More
Inventors: Koizumi, Akio;, Assignee: Sony Corporation (Tokyo, JP) |
Switching power supply
I claim: 1. In a switching power supply having power switching means for furnishing a series of shaped pulses to output means to provide an output voltage within a selected range, voltage controlled o... Read More
Inventors: Sturgeon, Clayton L.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
DC to DC switching regulator with temperature compensated isolated feedback circuitry
OF THE INVENTION Referring now to the FIGURE, there is shown a schematic diagram of the present invention. An unregulated DC terminal 10 and an input ground terminal 12 are provided for receiving an ... Read More
Inventors: Grippe, James M.;, Assignee: Varo, Inc. (Garland, TX) |
Voltage controlled oscillator with high speed current switching
The present invention is directed to a voltage controlled oscillator having a high switching speed. The voltage controlled oscillator of the invention is capable of running at 10 MHz or above and is t... Read More
Inventors: Ouyang, Kenneth W.; Marmet, Melvin;, Assignee: Western Digital Corporation (Irvine, CA) |
Oscillator operable in a high impedance mode
OF A PREFERRED EMBODIMENT Generally the instant disclosure concerns oscillators and more specifically a novel oscillator that offers improved performance at a reduced physical size. As an overview th... Read More
Inventors: Chan, Yiu K.; Tindorf, Krista;, Assignee: Motorola, Inc. (Schaumburg, IL) |
DC power switch with inrush prevention
OF THE PREFERRED EMBODIMENTS Referring now to FIG. 1, the circuitry for a DC power switch 10 is illustrated which is used to supply DC power to an effective capacitive load 11 shown dashed in FIG. 1.... Read More
Inventors: Li, Edward; Herrmann, John E.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Voltage reference circuit
The present invention resides in one aspect in using a bandgap reference circuit to generate the reference voltage for a voltage detection circuit. As is well known in the art, a bandgap reference cir... Read More
Inventors: McIntyre, David H.;, Assignee: SGS-Thomson Microelectronics Limited () |
Self adjusting data detector
Accordingly, it is an object of the present invention to provide an improved data detector which recovers a transmitted digital signal having the original timing of the transmitted digital signal. It ... Read More
Inventors: Howell, William J.;, Assignee: Motorola Inc. (Schaumburg, IL) |
Method and apparatus for calibrating a multi-bit delta-sigma modular
The present invention disclosed and claimed herein comprises a method and apparatus for compensating for non-linearities in an analog-to-digital converter having a multi-level output delta-sigma modul... Read More
Inventors: Thompson, Charles D.; Bernadas, Salvador R.; van Bavel, Nicholas R.; Swanson, Eric J.;, Assignee: Crystal Semiconductor, Inc. (Austin, TX) |
Digital to analog converter for sigma delta modulator
In accordance with the present invention, a digital to analog converter is provided which substantially eliminates or reduces disadvantages and problems associated with prior digital to analog convert... Read More
Inventors: Fattaruso, John W.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Digital-to-analog converter with digital linearity correction
In accordance with a basic aspect of the present invention, there is provided a method of operating a digital-to-analog converter. The method includes the steps of: generating a digital calibration si... Read More
Inventors: Henrion, W. S.; Kerth, Donald A.;, Assignee: Crystal Semiconductor Corporation (Austin, TX) |
Pulse generating circuit for dynamic random access memory device
Accordingly, the present invention is directed to a pulse generating circuit for dynamic random access memory device that substantially obviates one or more of problems due to limitations and disadvan... Read More
Inventors: Kim, Dae Jeong;, Assignee: LG Semicon Co., Ltd. (Choongcheongbuk-Do, KR) |
Low voltage latch with uniform stack height
According to one embodiment of the invention, latch components are comprised of low threshold transistors. In addition, according to one embodiment of the invention, to overcome leakage current and en... Read More
Inventors: Burr, James B.;, Assignee: Sun Microsystems, Inc. (Santa Clara, CA) |
Remote controlled thermostat
OF THE PREFERRED EMBODIMENT The present invention is a method and apparatus for remotely adjusting the temperature of a building. Referring to FIG. 1, the apparatus comprises a receiver module 10 wit... Read More
Inventors: Reeser, Larry J.; Morton, Henry H.;, Assignee: Reeser; Larry J. (Martinez, GA) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
A/D signal conversion based on a comparison of voltage-divided signals
FIG. 1 is a block diagram of portions of flash analog-to-digital (A/D) converter 1 according to some embodiments. A/D converter 1 includes resistor string 10, which in turn is composed of resistors 1... Read More
Inventors: Jaussi, James E.; Casper, Bryan K.;, Assignee: Intel Corporation (Santa Clara, CA) |
Rectangular wave pulse generators
The circuit illustrated in FIG. 1 comprises an oscillator 10 which provides a periodic output signal (waveform (a) in FIGS. 2A and 2B) which is stable in frequency, as determined by the intervals bet... Read More
Inventors: Penney, Bruce J.;, Assignee: Tektronix, Inc. (Beaverton, OR) |
Method of making master slice type integrated circuit device
It is hence a primary object of this invention to present master slice type integrated circuit device and manufacturing method thereof capable of solving the above-discussed problems. To achieve the a... Read More
Inventors: Fukui, Yuko; Ohtani, Katsuhiro; Miyamoto, Hiroyuki; Nishiura, Masao; Chimura, Moriyuki;, Assignee: Matsushita Electronics Corporation (Osaka, JP) |
Circuit and method for generating a clock signal
In accordance with the teachings of the present invention, a circuit and method for generating a clock signal are provided. The clock generator circuit includes a crystal which generates a first signa... Read More
Inventors: Chen, Dao-Long;, Assignee: AT&T Global Information Solutions Company (Dayton, OH); Hyundai Electronics America (Milpitas, CA); Symbios Logic Inc. (Fort Collins, CO) |
Dynamic voltage reference which compensates for process variations
The present invention concerns a dynamic voltage reference circuit for generating one or more control signals for use in controlling a delay circuit or other circuit that requires compensation for pro... Read More
Inventors: Churchill, Jonathan F.;, Assignee: Cypress Semiconductor (San Jose, CA) |
Amplifier arrangement and method and voltage controlled amplifier and method
It is, accordingly, an object of the present invention to provide an electronic amplifier arrangement. It is a further object of the invention to provide an electronic amplifier arrangement which can ... Read More
Inventors: Schrader, Daniel J.;, Assignee: |
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