Magnetic head having dual asymmetric gaps
The present invention is therefore intended to eliminate the above-mentioned drawback and the object of the present invention is to provide a magnetic head of the dual gap type wherein magnetic gaps a... Read More
Inventors: Kuriyama, Toshihiro;, Assignee: |
Inverse fourth power photometric calibrator
In accordance with the present invention, a photometric calibrator comprises first and second quasi-point light sources and a detector. The second light source, which defines a first quasi-point detec... Read More
Inventors: Swyt, Dennis A.; Young, Russell D.;, Assignee: The United States of America as represented by the Secretary of Commerce (Washington, DC) |
Single regulation power supply with load compensation of an auxiliary voltage output
The present invention overcomes the aforementioned problems and limitations of these prior art devices by providing a very simple and inexpensive means to achieve load compensation of an unregulated a... Read More
Inventors: Montorefano, Gianpaolo;, Assignee: Honeywell Inc. (Minneapolis, MN) |
Voltage regulator for field programmable gate arrays
The present invention provides a voltage regulator for a field-programmable gate array (FPGA). The voltage regulator of the present invention rapidly generates an operating voltage for the core or nuc... Read More
Inventors: Allman, Gary L.;, Assignee: Crosspoint Solutions, Inc. (Santa Clara, CA) |
Rotation speed detecting apparatus for a motor having an encoder
It is an object of the present invention to provide a rotation speed detecting apparatus broadly applicable to a servo control system. It is another object of the present invention to provide a rotati... Read More
Inventors: Lee, Jin W.; Kim, Dong I.;, Assignee: SamSung Electronics Co., Ltd. (Suwon, KR) |
Band-gap type voltage generating circuit for an ECL circuit
It is an object of the present invention to provide a voltage generating circuit which can be implemented only by using existing NPN transistors, MOS transistors and resistors in a Bi-CMOS integrated ... Read More
Inventors: Urakawa, Yukihiro; Matsui, Masataka;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Ceramic material and method of making
What is claimed is: 1. A ceramic material which consists essentially of lead zirconate with not greater than 20 atomic per cent of bismuth substituted for the lead according to the formula Pb.sub.1.su... Read More
Inventors: Ainger, Frank William; Porter, Stephen George;, Assignee: |
Method for incorporating radioactive phosphoric acid solutions in concrete
We claim: 1. A method for incorporating radioactive phosphoric acid solutions in concrete comprising: (a) first neutralizing a phosphoric acid solution containing Cobalt-60 with Ca(OH).sub.2 and there... Read More
Inventors: Wolf, Gary A.; Smith, Jeffrey W.; Ihle, Nathan C.;, Assignee: The United States of America as represented by the United States (Washington, DC) |
Method and plant for cleaning lightly radioactive waste incineration gases
We claim: 1. Method of cleaning gases (1) from an incinerator (3) of lightly radioactive waste, said gases containing water vapor, acid pollutants, solid particles and radioactive heavy metals, the me... Read More
Inventors: Yu, Dehui; Touchais, Dominique;, Assignee: Service Protection Environnement Ingenierie et Construction "SPEIC" (FR) |
Semiconductor bidirectional switch circuit
What is claimed is: 1. A semiconductor bidirectional switch circuit for passing an AC signal comprising: a bidirectional switch including a first and a second thyristor connected in antiparallel relat... Read More
Inventors: Tokunaga, Michio; Ohhinata, Ichiro; Okuhara, Shinzi;, Assignee: Hitachi, Ltd. (JA) |
Selective commutation circuit for an inverter
OF THE ILLUSTRATED EMBODIMENT Referring initially to FIG. 1, one embodiment according to the present invention is illustrated in which a typical DC-to-AC power inverter is used to transform DC electr... Read More
Inventors: Messer, Gordon J.;, Assignee: United Technologies Corporation (Hartford, CT) |
Tone detector circuit
OF A PREFERRED EMBODIMENT In the block diagram of FIG. 1, the input to a bandpass filter 10 at an input terminal 11 will normally be comprised of a wide range of frequencies. The input terminal 11 ma... Read More
Inventors: Ecklund, Lawrence M.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Mobile-synchronized handoff in a wireless communications system
FIG. 1 shows a conventional mobile wireless communications system. The system includes a plurality of geographically-dispersed base stations 1 and 2, of which two are shown, which provide over-the-ai... Read More
Inventors: Farwell, Charles Y.; Miller, Richard D.; Windhausen, Richard A.;, Assignee: AT&T Corp. (Murray Hill, NJ) |
Combined test clip and component extraction tool
OF THE INVENTION Referring now more specifically to the drawings, the numeral 10 generally designates the test clip of the instant invention. The clip 10 includes a body 12 having opposite ends 14 an... Read More
Inventors: Long, Walter J.; Wysocki, Lawrence E.; Wohlhieter, George M.;, Assignee: Everett/Charles, Inc. (Pomona, CA) |
Battery clamp
Having thus disclosed my invention, what I claim and desire to secure by Letters Patent of the United States of America is: 1. A battery clamp comprising, in combination, a cylindrical-shaped laterall... Read More
Inventors: Piscionere, Sr., Anthony G.;, Assignee: |
Motor drive circuit
An inverter circuit for driving loads such as motors and transformers is disclosed. The preferred circuit embodiment utilizes SCR current switching elements to control the current flow through the sep... Read More
Inventors: Greenwell, Jack;, Assignee: LearAvia (Reno, NV) |
AC power supplied static switching apparatus having energy recovery capability
The present invention proposes to maximize the snubber effect of a snubber circuit associated to an AC power supplied static switching apparatus, by providing means for limiting the voltage applied to... Read More
Inventors: Neft, Charles L.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Automatic tuning apparatus for PID controllers
The present invention provides an autotuning method that has general application to PID controllers for the control of a wide range of system types. The present invention employs a low frequency sinus... Read More
Inventors: Svarovsky, James E.; Baechtel, Donald F.; Day, Chia P.;, Assignee: Allen-Bradley Company, Inc. (Milwaukee, WI) |
Vehicle battery discharging indicator
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. In a motor vehicle powered by an internal combustion engine including a storage batte... Read More
Inventors: Nowakowski, Robert J.; Riesberg, Jr., Van V.;, Assignee: General Motors Corporation (Detroit, MI) |
Electromagnetic radiation transducer
The present invention relates generally to devices for the conversion of electromagnetic radiation into electric power and, more particularly, to the conversion of solar radiation into electric curren... Read More
Inventors: Zwan, Bryan J.;, Assignee: E-Cel Corporation (Houston, TX) |
Microwave radiator utilizing solar energy
What is claimed is: 1. A space-oriented apparatus for converting solar electromagnetic energy to microwave radiation, said apparatus comprising: source means for generating microwave radio frequency (... Read More
Inventors: Sterzer, Fred;, Assignee: RCA Corporation (New York, NY) |
Interactive diagnostic system
The system of the invention is particularly suited for utilization in the analysis of combustion safety systems which have become problematic. In the latter regard, the systems generally will fail in... Read More
Inventors: Conway, Richard B.; Wendell, Edward G.;, Assignee: Delta H. Systems, Inc. (Columbus, OH) |
Indication device
For the purpose of overcoming the forgoing disadvantages, it is an object of the present invention to provide an indication device that allows others to become aware of person's whereabouts by emittin... Read More
Inventors: Suda, Yoshimitsu;, Assignee: |
Method and apparatus for controlling a device on a network
Embodiments of the present invention provide a system for permitting low-cost devices to be controlled by programs contained within the device. Although the low-cost device contains processing hardwar... Read More
Inventors: Madany, Peter W.;, Assignee: Sun Microsystems, Inc. (Mountain View, CA) |
Module for a serial multiplex data input protection circuit
It is therefore the principal object of the present invention to provide a data link module for use in a time division multiplexing control system which overcomes the various disadvantages of the know... Read More
Inventors: Riley, Robert E.;, Assignee: Square D Company (Palatine, IL) |
Portable radio telephone having improved speaker and housing assembly for handsfree and private operation
OF THE PREFERRED EMBODIMENTS A portable electronic device such as a portable radio telephone has a speaker with a relatively high compliance that is used for both private operation and for handsfree ... Read More
Inventors: Zurek, Robert A.; Charlier, Michael L.; Gitzinger, Thomas;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Frequency modulation in a phase-locked loop
In accordance with the present invention, the preferred embodiment provides a phase-locked loop comprising an AC coupled signal path for FM and a DC coupled signal path to integrate the FM signal thus... Read More
Inventors: DaSilva, Marcus K.; Whipple, David P.; Temple, Robert E.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Splatter controlled amplifier
There is provided herein a radio transmitter that includes a negative feedback amplifier circuit that adjusts input signal levels from a signal source according to the rate of occurence of an error si... Read More
Inventors: Chapman, Ronald H.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Pulse width control circuit in which a feedback amount is varied depending upon an operating temperature
It is thus one object of the present invention to provide a pulse width control circuit which both prevents the misfiring of an output pulse signal caused by abnormal signal input, and generates an ou... Read More
Inventors: Nishitoba, Shigeo; Fukaya, Hirokazu;, Assignee: Nippon Electric Co., Ltd. (Tokyo, JP) |
Comparison circuit
The present invention is made to solve the above problem. It is an object of the present invention to provide a comparison circuit capable of decreasing the CPU load for value comparison by the compar... Read More
Inventors: Nakajima, Toyokatsu;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Ring Tones 
