Low distortion operational amplifier
In accordance with the present invention, an operational amplifier (op-amp) operates to work with low supply voltages and yet meets the gain and low distortion requirements for high quality PC audio a... Read More
Inventors: Brehmer, Geoffrey E.; Cabler, Carlin D.;, Assignee: Advanced Micro Devices (Sunnyvale, CA) |
Protection circuit for RF power amplifiers
It is an object of this invention to provide a generic control amplifier that can receive feedback from a variety of sensors and can control power amplifiers designed for different frequency ranges an... Read More
Inventors: Jason, Barry;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Portable radio communication equipment
The present invention has been made to solve the problems described above, and its object is to enable the distance between the microphone and the ear piece to be changed and to eliminate the uneasine... Read More
Inventors: Furuno, Kenichi;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Temperature insensitive piezoelectric crystal mounting arrangement
OF THE PREFERRED EMBODIMENT FIG. 3A illustrates a simplified top view of the crystal mounting arrangement of the present invention. Such crystal mounting arrangement includes a piezoelectric crystal ... Read More
Inventors: Shanley, Charles W.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Impulse generator for use with phosphor energizable lamps
OF A PREFERRED EMBODIMENT Referring now in more detail and by reference characters to the drawings which illustrate a preferred embodiment of the present invention, A designates an electrical circuit... Read More
Inventors: Sherman, Eli H.;, Assignee: |
Starting and operating circuit for gaseous discharge lamps
What I claim as new and desire to secure by Letters Patent of the United States is: 1. A starting and operating circuit for gaseous discharge lamps comprising, in combination, a source of current, bal... Read More
Inventors: Owen, Daniel V.;, Assignee: General Electric Company (Schenectady, NY) |
Varible frequency current control device for discharge lamps
Accordingly, it is an object of the present invention to provide an improved variable high frequency control circuit which produces reliable ignition and stable and efficient operation of one or more ... Read More
Inventors: Stupp, Edward H.; Fellows, Mark W.;, Assignee: North American Philips Corporation (New York, NY) |
Gas distribution system for sputtering cathodes
Referring to the drawings and particularly to that form of the invention illustrated in FIGS. 1 to 4, the sputtering apparatus includes an evacuable coating chamber 10 in which is mounted a planar sp... Read More
Inventors: Robinson, Merrill G.;, Assignee: Shatterproof Glass Corporation (Detroit, MI) |
Apparatus for and a method of modifying the properties of a material
What is claimed is: 1. Apparatus for modifying the properties of a substrate material, said apparatus comprising: a particle beam source; substrate mounting means supporting a substrate at a position ... Read More
Inventors: Colligon, John S.; Hill, Arthur E.; Kheyrandish, Hamid;, Assignee: University of Salford (Salford, GB2) |
Driving control system and monitoring device for fan filter unit in semiconductor clean room
The present invention is directed to a driving control system and monitoring device for a fan filter unit for a semiconductor clean room, which substantially overcomes one or more of the problems due ... Read More
Inventors: Hwang, Jung-sung; Choi, Jae-heung; Ahn, Yo-han; Lee, Dong-joo;, Assignee: Samsung Electronics, Co., Ltd. (Suwon, KR) |
Catalytic cracking process
OF THE INVENTION The improved process and method of control of this invention applies particularly to FCC, i.e. fluid catalytic cracking. It relies on the use of a model of the cracking process inclu... Read More
Inventors: Gross, Benjamin; Lee, Wooyoung;, Assignee: Mobil Oil Corporation (New York, NY) |
Evaporation arc stabilization
OF PREFERRED EMBODIMENTS Reference should be made to the drawing where like reference numerals refer to like parts. Further, each of the figures of the drawing illustrate one-half of a figure of revo... Read More
Inventors: Mularie, William M.;, Assignee: Vac-Tec Systems, Inc. (Boulder, CO) |
Method and apparatus for evaporation arc stabilization for non-permeable targets utilizing permeable stop ring
OF PREFERRED EMBODIMENTS Reference should be made to the drawing where like reference numerals refer to like parts. Referring to FIG. 1, there is shown a non-permeable target 10 retained to a water c... Read More
Inventors: Lefkow, Anthony R. T.;, Assignee: VAC-TEC Systems, Inc. (Boulder, CO) |
Process of pretreatment prior to paint coating
OF PREFERRED EMBODIMENTS The description of the materials and methods used in the invention of prior U.S. Pat. No. 4,465,715 is hereby incorporated by reference. Examples of polyolefins which can be ... Read More
Inventors: Ebisawa, Hiroo; Nozaki, Hiroyoshi; Hara, Hirofumi; Abe, Masaru; Sekiguchi, Katsumi;, Assignee: Honda Giken Kogyo Kabushiki Kaisha (Tokyo, JP); Mitsui Toatsu Chemicals Inc. (Tokyo, JP) |
Temperature control apparatus
What is claimed is: 1. In a machine for bonding two three-dimensional thermoplastic bodies together along a juncture zone, a thermal bonding blade assembly which is adapted to traverse said juncture z... Read More
Inventors: Campbell, Jr., Glenn M.; Newkirk, Raymond K.;, Assignee: Newkirk; Raymond K. (Mound, MN) |
Welding muff of thermoplastic material
I claim: 1. An electric welding muff for joining thermoplastic line elements, comprising a cylindrical welding sleeve formed of thermoplastic material; and an electrical resistance heating wire wound ... Read More
Inventors: Sturm, Werner;, Assignee: Von Roll A.G. (CH) |
Method and apparatus for joining abutting edges of sheet material
In overcoming the problems of the prior art, the present invention provides a method of joining together abutting edges of woven, felted or other textile sheets, such as carpets, using a web which inc... Read More
Inventors: Brooks, Ronald H.;, Assignee: |
Apparatus for fabricating honeycomb insulating material
Accordingly, it is an object of the present to provide apparatus for fabricating expandable and contractable honeycomb panels that are long lasting, relatively inexpensive, and have a neat, clean cut ... Read More
Inventors: Colson, Wendell B.;, Assignee: Thermocell, Ltd. (Broomfield, CO) |
Electron bombardment ion sources
We claim: 1. In an ion source which includes: means defining a chamber of conductive material for containing an ionizable gas within said chamber; an anode disposed within said chamber; an electron-em... Read More
Inventors: Kaufman, Harold R.; Robinson, Raymond S.; Hughes, William E.;, Assignee: |
Treatment device utilizing plasma
OF THE PREFERRED EMBODIMENTS The treatment device utilizing plasma of the present invention has a structural member for forming the space for maintaining said plasma atmosphere, which is constituted ... Read More
Inventors: Fujiyama, Yasutomo; Kamiya, Osamu;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Elastic buffer for local area networks
According to the present invention there is provided an elastic buffer for absorbing frequency jitter or drift of an incoming data signal which includes a serial stack of data registers, means for sto... Read More
Inventors: Szdzepanek, Andre; Buchanan, George;, Assignee: Texas Instruments Inc. (Dallas, TX) |
Synchronization circuit capable of establishing synchronism even when a sampling rate is invariable
What is claimed is: 1. A synchronization circuit responsive to an input signal carrying a transmission data signal and being received at a transmission rate for producing an output signal which is rep... Read More
Inventors: Ohsawa, Tomoki;, Assignee: NEC Corporation (JP) |
Demodulator with composite transversal equalizer and eye detection clock synchronizer
It is therefore advantageous to combine the capabilities of both digital transversal equalizers and an eye detection clock synchronizer as subsystems of a digital demodulator in order to operate A/D c... Read More
Inventors: Yoshida, Yasuharu;, Assignee: NEC Corporation (Tokyo, JP) |
Deep diode atomic battery
We claim as our invention: 1. A deep diode atomic battery comprising: a body of single crystal semiconductor material having a preferred crystallographic structure, a vertical axis, first and second m... Read More
Inventors: Anthony, Thomas R.; Cline, Harvey E.;, Assignee: General Electric Company (Schenectady, NY) |
Light emitting polymer electrical energy source
We claim: 1. An electrical energy source, comprising: a light emitting polymer material having at least one light emitting surface emitting light energy in a specified frequency bandwidth, the light e... Read More
Inventors: Conley, Jerry J.; Mortensen, Gary B.;, Assignee: E. F. Johnson Co. (Waseca, MN) |
Current collector for lithium ion battery
An improvement in lithium ion batteries has been found whereby an electrically conductive, continuous and coherent ceramic layer made of titanium or zirconium nitride, is inserted between the current ... Read More
Inventors: Dasgupta, Sankar; Jacobs, James K.;, Assignee: |
Video amplitude related measurements in image analysis
In this invention, the analog video signal from the scanner is digitized at numerous specific points along the scan line using an analog-to-digital converter to produce a parallel digital output signa... Read More
Inventors: Morton, Roger R.;, Assignee: Bausch & Lomb Incorporated (Rochester, NY) |
Automated plate reader
The method of the present invention is applicable to all dilution assays, one example of which is the CPE (cytopathologic effect) assay. In the standard cytopathologic effect (CPE) assay, the multi-w... Read More
Inventors: Hurni, William M.; McAleer, William J.;, Assignee: Merck & Co. Inc. (Rahway, NJ) |
Single wire light control system
What is claimed is: 1. In combination with a series of electrical devices and vehicle lights including a power line, warning lights and signal lights near the front and near the rear of a vehicle such... Read More
Inventors: Blass, David A.;, Assignee: Aeroflash Signal Corporation (Chicago, IL) |
Signal processing method and apparatus
It is an object of the present invention to provide an emphasis circuit and deemphasis circuit which satisfy the equation (1), has excellent linearity in the phase characteristic, is free from amplitu... Read More
Inventors: Furuhata, Takashi; Takahashi, Hiroaki; Katsuki, Manabu;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Audio Signal Processing 
