Particle counter employing a chromium based solid-state laser with an intracavity view volume
These objects have been achieved by incorporating a chromium doped colquiriite solid-state crystal, such as a cylindrical, elongated Cr:LiSrAlF.sub.6 crystal, into in a resonant cavity that includes a... Read More
Inventors: Girvin, Kenneth L.; DeFreez, Richard K.;, Assignee: Met One, Inc. (Grants Pass, OR) |
Motor starting circuit
The present invention replaces centrifugal switches now used in electric motors with a motor starting circuit which does not require the making and breaking of contacts and accordingly, generally has ... Read More
Inventors: Zaderej, Andrew;, Assignee: |
Symmetrical internal heater for liquid crystal display
We claim: 1. A liquid crystal cell having a resistive-type internal heater for rapid warm-up of the liquid crystal cell and for use while the cell is functioning as an electro-optic visual display, sa... Read More
Inventors: Kaplit, Michael; Hayden, Daniel B.; Smith, George W.;, Assignee: General Motors Corporation (Detroit, MI) |
Large area hybrid microcircuit assembly
The present invention overcomes and avoids these and other problems by directly replacing the conventional assembled printed wiring board with a heat conductive base, such as of ceramic, on or within ... Read More
Inventors: Scapple, Robert Y.; Keister, Frank S.; Grieger, Robert G.; Himmel, Richard P.;, Assignee: Hughes Aircraft Company (El Segundo, CA) |
Buried element deicer
The invention is directed to the insulative placement of electrically continuous thin strips of heating element material as one layer in a multi-layer acoustic laminate material that produces a compos... Read More
Inventors: Adee, James M.;, Assignee: Rohr Industries, Inc. (Chula Vista, CA) |
Thick film electrically resistive tracks
I claim: 1. A heating unit comprising an elongate thick film electrically resistive track of substantially constant width of between 1.2 and 2.1 millimeters along its length, to permit substantially e... Read More
Inventors: Balderson, Simon;, Assignee: Thorn EMI plc (London, GB2) |
Electrically heated window
It is, therefore, an important object of the present invention is to provide an electrically heated window wherein both of the electrical connection points of the electrical resistance element defoggi... Read More
Inventors: Koontz, Harry S.; Forr, John P.;, Assignee: PPG Industries, Inc. (Pittsburgh, PA) |
Flat ceramic heater having discrete heating zones
It is therefore an object of the invention to provide a resistive heater for use in an electrically-powered smoking article. It is also an object of this invention to provide a low-voltage battery-pow... Read More
Inventors: Deevi, Seetharama C.; Hajaligol, Mohammad R.;, Assignee: Philip Morris Incorporated (New York, NY) |
Method of making insulated electrical heating element using LTCC tape
The present invention provides an improved method for making an insulated electrical heating device wherein a thick film resistor track or pattern is printed on a flexible tape comprising fusible cera... Read More
Inventors: Alexander, John H.; Turvey, Simon P.;, Assignee: Ferro Corporation (Cleveland, OH) |
Alloying system and heating control device for high grade galvanized steel sheet
The present invention has been accomplished in the light of the above-described problems. An object of the invention is to provide an alloying treatment system, etc. for a galvanized steel sheet, equi... Read More
Inventors: Wada, Kozo; Hirai, Etsurou; Tsurusaki, Kazuya; Asahara, Yuuji; Han, Kwang-Hee; Lee, Jae-Young; Cho, Noi-Ha; Shim, Jang-Sub; Chun, Si-Youl;, Assignee: Mitsubishi Heavy Industries, Ltd. (Tokyo, JP) |
Method of obtaining a D(log E) curve
OF THE PREFERRED EMBODIMENT A D(log E) relationship can be determined from a knowledge of the relative exposures of a set of objects within a photographic scene. The objects can be any scene object w... Read More
Inventors: Piech, Kenneth R.; Schott, John R.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Microtitration plate
It is an object of the present invention to provide a microtitration plate, that includes a device consisting substantially of a plate support provided with several vessels which ensures a uniform cha... Read More
Inventors: Dopatka, Hans-Detlef;, Assignee: Behringwerke Aktiengesellschaft (DE) |
Method and apparatus for immunological determinations
The object of the present invention is above all to provide a fully automatic heterogeneous logical assay system. A particular object is to provide a system in which the heating and washing steps also... Read More
Inventors: Partanen, Paul; Seppanen, Helena; Harjunmaa, Hannu;, Assignee: Labsystems OY (Helsinki, FI) |
Incubation device for microtiter plates
An object of the present invention is to provide a device for the incubation of microtiter plates with whose aid the incubation process can take place automatically. The invention achieves the object ... Read More
Inventors: Gross, Jurgen; Pufahl, Holger; Sanger, Dieter; Schaller, Karl-Heinz; Wilmes, Hugo;, Assignee: Hoechst Aktiengesellschaft (Marburg, DE) |
Process and apparatus for measuring small quantities of light
OF THE PREFERRED EMBODIMENTS The mode of operation of the circuit of FIG. 1 is now explained with reference, when needed, to the details of the circuit, such as, for example, the first integrator cir... Read More
Inventors: Schenkel, Paul; Frick, Beat;, Assignee: Gretag Imaging, AG (Althardstrasse, CH) |
Power supply circuits
I claim: 1. A power supply circuit comprising first and second power supply rails for connection to opposite poles of a power supply, an oscillator including an operational amplifier having first and ... Read More
Inventors: Evans, Kenneth S.;, Assignee: Lucas Industries Limited (Birmingham, GB2) |
Power supply switching circuit
The present invention achieves the foregoing objects by means of a switching circuit which provides separate current paths from one of at least two input terminals to a single output terminal. The inv... Read More
Inventors: Ely, Glenn L.;, Assignee: Intersil, Inc. (Cupertino, CA) |
Charging control apparatus for vehicle generators
It is an object of the present invention to prevent erroneous operation of charging abnormality warning means. Further, it is another object of the present invention to prevent erroneous operation of ... Read More
Inventors: Mayumi, Nobuo; Tsuzuki, Tomoni; Tanaka, Kouzi;, Assignee: Nippondenso Co., Ltd. (Kariya, JP) |
Wireless emergency lighting unit
Accordingly, the above problems and difficulties are obviated by the present invention which provides a novel wireless emergency power source for a fluorescent lamp assembly connected in series with a... Read More
Inventors: Pascalide, Chiriac;, Assignee: Radiant Illumination, Inc. (North Hollywood, CA) |
Emergency lighting system utilizing improved and rapidly installable fluorescent inverter
The present invention provides an emergency lighting system which particularly includes a fluorescent inverter which improves incorporation of emergency functions into existing fluorescent lighting sy... Read More
Inventors: Johnson, James C.;, Assignee: National Service Industries, Inc. (Atlanta, GA) |
AC motor control apparatus
An object of the present invention is to provide an AC motor control apparatus current control loop can be put into digital form with facility. Another object of the present invention is to provide an... Read More
Inventors: Fujioka, Yoshiki; Hirota, Mitsuhiko;, Assignee: Fanuc Limited (Minamitsuru, JP) |
Electromagnetic interference protection for image intensifier tube
OF THE INVENTION In FIG. 1 there is shown a perspective view of an image intensifier tube assembly 10. The image intensifier tube assembly 10 includes a power supply 12, a fiber optic output window 1... Read More
Inventors: Caserta, Joseph N.; Mims, William D.; Reed, Joseph; Bowen, James H.;, Assignee: ITT Corporation (New York, NY) |
Energy economizer for induction motors
In accordance with the present invention, a standard AC induction motor has its stator winding energized from a sine wave power source through a wave modifier operative to vary the portion of each cyc... Read More
Inventors: Hedges, Rhey W.;, Assignee: Parker; Louis W. (Fort Lauderdale, FL) |
Vehicle control system
Referring now to FIG. 1, reference numeral 2 refers to a microcomputer module mounted on a mine shuttle car. The microcomputer includes a programable memory 4, a central processing unit such as a mic... Read More
Inventors: Acker, Frank E.; Rogers, Charles D.;, Assignee: United States Steel Corporation (Pittsburgh, PA) |
Document illuminating apparatus using light sources A, B, and C in periodic arrays
OF THE INVENTION FIG. 1 is a general diagrammatic view, in perspective, of an apparatus 10, made according to this invention, for illuminating a scanning line in a scanning plane. While the apparatus... Read More
Inventors: Lim, Tuan-Kay;, Assignee: NCR Corporation (Dayton, OH) |
Multipower electrical system for supplying electrical energy to a house or the like
It is an object of this invention to provide a new and improved multipower electrical system for supplying electrical energy to a house of the like. It is another object of this invention to provide a... Read More
Inventors: Bienville, Frank;, Assignee: |
Apparatus for processing a powdered or particulate product
The present invention provides an apparatus of the above type which is especially suited for sanitary use, i.e. for treating food products. Thus, the invention provides an apparatus for processing a p... Read More
Inventors: Christensen, Mogens A.; Sorensen, Ib H.;, Assignee: A/S Niro Atomizer (Soborg, DK) |
Procedure for the thermal treatment of powdered and granulated catalysts and the like
We claim: 1. A process for the thermal treatment of powdered or granulated particles of catalytically related material, which comprises the steps of: A. feeding said material in a thin layer onto a re... Read More
Inventors: Schneider, Michael; Kochloefl, Karl; Diez, Gerhard; Maier, Franz; Rauch, Josef E.; Liebelt, Wolfgang;, Assignee: Sud-Chemie A.G. (Munich, DE) |
Nozzle arrangement for a vehicle drying installation
OF THE PREFERRED EXEMPLARY EMBODIMENT As shown in FIGS. 1 and 2, the air conducting pipe 1 preferably is circular in cross section and includes an enlarged conical section 2 at the bottom of pipe 1. ... Read More
Inventors: Burger, Horst;, Assignee: |
Fixed gating sequence apparatus and method for an inverter
A fixed gating sequence apparatus and method is disclosed for a control circuit of an inverter, which inverter generates an outgoing signal of variable magnitude and frequency in accordance with gatin... Read More
Inventors: Cutler, John H.; Walker, Loren H.;, Assignee: General Electric Company (Salem, VA) |
Electrical and Wave 
