Noise spike elimination circuit for pulse width modulators
It is therefore an object of the present invention to provide an effective spike elimination circuit for pulse width modulators. According to the invention, there is provided circuitry to eliminate hi... Read More
Inventors: Walker, Charles S.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
Bias current network for IC digital-to-analog converters and the like
In accordance with one important aspect of the invention, there is disclosed herein a digital-to-analog converter incorporating a superior buffer amplifier capable of producing an output voltage betwe... Read More
Inventors: Holloway, Peter R.; Mercer, Douglas A.;, Assignee: Analog Devices, Incorporated (Norwood, MA) |
Electrically alterable field effect transistor amplifier configuration
The present invention eliminates the problem of the prior art by providing a single configuration incorporating electrically alterable elements for selecting the output buffer configuration after test... Read More
Inventors: Taylor, David L.; Harris, Stephen A.;, Assignee: Harris Corporation (Melbourne, FL) |
Low power liquid crystal display driver circuit
In accordance with this invention, a low power display circuit is provided. This circuit includes an input circuit to receive data to be displayed. The input circuit is connected to segment output cir... Read More
Inventors: Leach, Jerald G.; Maan, Mohammed N.; Pradhan, Rakesh;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Wire harness
We claim: 1. A wire harness comprising: a plurality of connecting wires with each said wire being provided with terminals on each end and wherein said connecting wires are used for wiring electrical c... Read More
Inventors: Iwasa, Tatsuya; Inoue, Takayuki; Mizuta, Noriyuki;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Defined coverage loudspeaker horn
A loudspeaker horn for directing sound from a driver having a principal axis of propagation to a target area having a plurality of portions located different distances from the driver comprises: means... Read More
Inventors: Keele, Jr., D. Broadus;, Assignee: JBL Incorporated (Northridge, CA) |
Sound reinforcement enclosure employing cone loudspeaker with annular central loading member and coaxially mounted compression driver
A sound reinforcement enclosure is provided with at least one cone-type loudspeaker operating into a channel extending forwardly towards an outlet to free air. At least one central member is inserted ... Read More
Inventors: Andrews, Anthony J.; Hunt, Toby C.; Newsham, John;, Assignee: Turbosound Limited (GB2) |
Muffler
What is claimed is: 1. A muffler comprising: an upper case provided at the opposite ends with semi-cylindrical inlet and outlet sections respectively and having an outwardly raised central portion and... Read More
Inventors: Hasui, Hiroshi; Suyama, Eizo;, Assignee: Nihon Radiator Co., Ltd. () |
Muffler
It is an object of the present invention to provide a muffler which can not only damp the combustion and exhaust sounds of the internal combustion engine, but also damp the noise produced in the muffl... Read More
Inventors: Hayashi, Yoshimasa;, Assignee: Nissan Motor Company (Yokohama, JP) |
Bearing body for motorcycle
I claim: 1. In a motorcycle: a support body having a longitudinal median plane; an oscillating arm fulcrummed to said body for pivoting movement about an axis transverse to said longitudinal median pl... Read More
Inventors: Gaddi, Bruno;, Assignee: Piaggio & C. S.p.A. (Genoa, IT) |
Protection by underwater sound waves
One object of the invention is to produce a field or area traversed by sound waves and including a receiving device which is activated by the sound waves and which will respond abnormally when an extr... Read More
Inventors: Mount, Wadsworth W.;, Assignee: Bossert Manufacturing Corporation (Utica, NY) |
Parametric tester for semiconductor devices
The present invention comprises a tester for conducting parametric tests on a digital semiconductor device through its external leads. Tests are conducted by applying a known voltage to a particular i... Read More
Inventors: Cowart, Brooks E.;, Assignee: Fairchild Camera and Instrument Corporation (Mountain View, CA) |
Alveolar gas sampling system and method
OF THE INVENTION Referring now to the Drawings: There is shown in FIGS. 1 and 2 an operative embodiment of the invention, the novel features of which will be described hereinafter. One of the major a... Read More
Inventors: Clark, Justin S.; Farr, Frederick L.;, Assignee: Intermountain Health Care () |
Speaker system for radiating acoustic energy into a cabin of a motor vehicle
It is, accordingly, an object of the present invention to provide an improved speaker system which is readily fixed by a rigid connection into a limited space within a motor vehicle cabin, such as a r... Read More
Inventors: Ando, Tomiaki;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Loudspeaker mounting mechanism
A mechanism for mounting a loudspeaker into a front panel includes a plurality of arms arranged on opposite sides of an opening for receiving the loudspeaker, the ends of the arms being angled inwardl... Read More
Inventors: Stehn, Werner;, Assignee: Electronic-Werke Deutschland GmbH (Villingen-Schwenningen, DE) |
Overhead speaker system for use in vehicles
What is claimed is: 1. An overhead speaker system (10) adapted to be mounted to opposing lintels (12) of a vehicle (14), said system comprising: an elongated support member (16) having a multitudinal ... Read More
Inventors: Rosen, Christer;, Assignee: Top Source, Inc. (Palm Beach Gardens, FL) |
Drop-in speaker mount
This invention relates to improved structure and methodology for mounting speakers in the panel of a motor vehicle. More specifically, this invention relates to a structure and methodology for mountin... Read More
Inventors: Dault, Robert; Young, Richard;, Assignee: ADAC Plastics, Inc. (Grand Rapids, MI) |
Miniature loudspeaker clip structure
It is the primary object of the present invention to provide a miniature loudspeaker clip structure. This structure comprises a loudspeaker shell body, a copper ring, a vibrating membrane and a fix ri... Read More
Inventors: Yang, Su-Pei; Chen, Shyh-Lee;, Assignee: |
Musical-tone signal forming apparatus for an electronic musical instrument
In FIG. 1, a clock pulse oscillator or generator 1 is provided which generates a clock pulse signal of a frequency corresponding to a frequency of a musical-scale tone. The output terminal of generat... Read More
Inventors: Kugisawa, Toshio;, Assignee: Kabushiki Kaisha Kawai Gakki Seisakusho (Hamamatsu, JA) |
Method for manufacturing an otoplastic or an ear adaptor member
An object of the present invention is to provide a method for the manufacture of either an otoplastic or of a customized ear adaptor member utilizing expanded plastics that can be implemented without ... Read More
Inventors: Henneberger, Hans; Basel, Rainer;, Assignee: Siemens Aktiengesellschaft (Berlin and Munich, DE) |
Process transmitter with inner conductive cover for EMI shielding
In the present invention, a transmitter comprises a housing, an electronics assembly, an inner cover, and an outer cover. The electronics assembly includes an actuatable switch and fits within an open... Read More
Inventors: Bodin, Joel J.; Huisenga, Garrie D.; Johnson, Theodore L.; Rauth, William C.;, Assignee: Rosemount Inc. (Eden Prairie, MN) |
Integrated circuit with memory comprising a fraud-prevention device
An object of the invention therefore is an integrated circuit comprising an electrically erasable programmable memory, the cells of which comprise a transistor with floating gate which is series conne... Read More
Inventors: Kowalski, Jacek A.;, Assignee: SGS-Thomson Microelectronics S.A. (Gentilly, FR) |
Binary logic level electrical detector namely to prevent the detection of secret codes contained in a memory card
The invention therefore concerns a binary logic level electrical detector of the biased type, comprising means to receive a signal with a given logic level and to deliver a signal with a logic level c... Read More
Inventors: Kowalski, Jacek;, Assignee: SGS Thomson Microelectronics SA (Gentilly, FR) |
Method for the programming of the memory cells of a memory and a circuit to implement this method
Consequently, an object of the invention is a method for programming the memory cells of a memory, said cells comprising floating-gate transistors programmable by electrical field effect, a method whe... Read More
Inventors: Kowalski, Jacek; Chevalier, Christophe;, Assignee: SGS-Thomson Microelectronics S.A. (Gentilly, FR) |
MOS fuse with oxide breakdown and application thereof to memory cards
An object of the invention is a fuse with a Metal/Oxide/Semiconductor structure that does not have the drawbacks of standard fuses in respect of the breakdown power values required and does not have t... Read More
Inventors: Kowalski, Jacek;, Assignee: Gemplus Card International (Gemenos, FR) |
Audio system operable in directional and non-directional modes
It is therefore an object of the present invention to solve the aforementioned technical problems by providing an audio system of a simple structure with which each sound channel from the individual s... Read More
Inventors: Hirose, Isamu;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Corner-based image matching
One aspect of the invention is a method of matching a test image to a reference image. A reference image is obtained and its edge boundaries are determined. From the edge boundaries, the corners are d... Read More
Inventors: Rao, Kashipati G.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Automated setup verification system
OF THE PREFERRED EMBODIMENT Referring now to the drawing wherein like parts and elements are designated by like reference characters throughout the several figures, and in particular referring to FIG... Read More
Inventors: Rezaei, Fredrick F.;, Assignee: The Boeing Company (Seattle, WA) |
Temperature compensation circuit in a pickup tube device
Accordingly, it is a general object of the present invention to provide a novel and useful temperature compensation circuit in a pickup tube device, in which the above described disadvantages have bee... Read More
Inventors: Kokufukata, Seigo; Sekido, Tetsuya;, Assignee: Victor Company of Japan, Ltd. (JP) |
Directional microphone
I claim: 1. In a dynamic microphone, the combination comprising, a body closed at one end by an annular magnetic pole-piece, an inner magnetic pole-piece supported coaxially within said annular pole-p... Read More
Inventors: Bauer, Benjamin B.;, Assignee: CBS Inc. (New York, NY) |
Audio Signal Processing 
