Electrostatic dispensing nozzle assembly
OF THE INVENTION Referring now to the drawings in detail, wherein like numerals indicate the same elements throughout the views, FIG. 1 illustrates a prior art asymmetrical dispensing nozzle 10 havin... Read More
Inventors: Wichmann, Frederick R.; Henry, Donald R.;, Assignee: United Air Specialists, Inc. (Cincinnati, OH) |
Reciprocating internal-combustion engine charged with fuel in powder form
What is claimed is: 1. In a reciprocating internal combustion engine having a cylinder head and a combustion chamber, the combination comprising a fuel-feeding duct within said cylinder head and commu... Read More
Inventors: Steiger, Anton;, Assignee: Sulzer Brothers Ltd. (Winterthur, CH) |
Injection device for direct injection diesel engines using alcohol and diesel fuel
The object underlying the invention is in the case of direct injection diesel engines for alcohol fuels to inject the diesel fuel, which has good ignition qualities, and the alcohol fuel, which does n... Read More
Inventors: Baumer, Klaus; Wiegand, Herbert;, Assignee: Deutsche Forschungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V. (Cologne, DE) |
Foraminous or perforated flow distribution plate
The foregoing and other objectives are achieved in accordance with the present invention through the provision of a steam generator vessel or facility which has incorporated therein a circumferential,... Read More
Inventors: Roarty, Joseph D.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Swimming pool cleaner
What is claimed is: 1. For installation in a swimming pool having a floor formed with a circular opening, a pop-up cleaner comprising the following elements, substantially all of which are of plastic:... Read More
Inventors: Mathews, Lester R.;, Assignee: |
Patch module for connecting to off-line transmission lines of a switchably selected pair of transmission lines
I claim: 1. A patch module permitting selective on-line connection between either alternative first sets of transmission lines and a single second set of transmission lines and providing patch connect... Read More
Inventors: Seiden, Lewis J.;, Assignee: T-Bar Incorporated (Wilton, CT) |
Modular patch panel
A general object of the present invention is to provide a relatively high transmission rate digital signal cross-connect capable of being mounted on an existing network bay frame constructed to mount ... Read More
Inventors: Hilbert, Steven R.; McAndrews, Michael J.;, Assignee: Reliance Comm/Tec Corporation (Chicago, IL) |
End machining apparatus and holding fixtures for optical connectors
The object of the present invention is to provide an optical connector end machining apparatus capable of shortening the machining time for optical connectors, thereby improving the productivity, and ... Read More
Inventors: Jie, Xu; Takahashi, Jun; Suzuki, Kenji;, Assignee: The Furukawa Electric Co., Ltd. (Tokyo, JP) |
Surface mountable card edge connector
The present invention is directed to an electrical connector that is surface mountable and provides a means for interconnecting a dense array of electrical terminal members to a circuit board of the t... Read More
Inventors: Fabian, David J.; Kocher, Timothy L.; Northcraft, Shane D.; Sarver, Douglas R.; Thumma, Mark R.;, Assignee: The Whitaker Corporation (Wilmington, DE) |
Inert gas ion laser
It is therefore an object of the invention to specify a laser which can generate light with wavelengths <0.7 .mu.m, requires a low structural volume and promises a long useful life. This object is ... Read More
Inventors: Seelig, Wolfgang;, Assignee: Siemens Aktiengesellschaft (Berlin & Munich, DE) |
Apparatus for accomplishing spectral line selection in lasers by retroreflective feedback
What is claimed is: 1. An apparatus for locking the spectral output of a laser which includes a laser resonator to selected spectral lines, comprising, multi-line diffraction grating means formed in o... Read More
Inventors: Pond, Charles R.; Hall, Richard B.;, Assignee: The Boeing Company (Seattle, WA) |
Electrode purge sleeve for glass melting furnaces
I claim: 1. A gas purge sleeve assembly for an electric heating electrode mounted horizontally in a forehearth of a furnace comprising in combination with an electric heating electrode made of a mater... Read More
Inventors: Williamson, Michael;, Assignee: Owens-Corning Fiberglas Corporation (Toledo, OH) |
Gas laser
We claim: 1. An electrically excited gas laser having an optical resonator, the laser comprising an inside conductor in the form of a metal tube connected to a high-frequency voltage source, the insid... Read More
Inventors: Opower, Hans; Ernst, Volker;, Assignee: W.C. Heraeus GmbH (Hanau, DE) |
High reflectance laser resonator cavity
In accordance with the present invention a new material has been discovered for use as the diffuse reflector material in solid state laser pump cavities. The new material provides diffuse reflection w... Read More
Inventors: Gibson, James O.; Gearhart, Victor C.; Birrell, Steven E.; Hawrylow, Gabriele M.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
High power semiconductor lasers
The present invention is a wide stripe double hetero-structure laser which operates in the fundamental lateral and fundamental transverse mode. Fundamental transverse mode behavior is achieved by mean... Read More
Inventors: Gordon, Eugene I.;, Assignee: Lytel Incorporated (Somerville, NJ) |
Semiconductor laser device
The semiconductor laser device of this invention, which overcomes teh above-discussed and numerous other disadvantages and deficiencies of the prior art, comprises a multi-layered crystal structure co... Read More
Inventors: Yamamoto, Saburo; Morimoto, Taiji; Miyauchi, Noboyuki; Maei, Shigeki;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Laser controlled by a multiple-layer heterostructure
The invention solves the problems of laser cavity gain control such as passive and active mode locking of semiconductor lasers, and of laser cavity gain modulation, by placing a multiple layer heteros... Read More
Inventors: Chemla, Daniel S.; Miller, David A. B.; Smith, Peter W.;, Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories (Murray Hill, NJ) |
Laser apparatus includes an unstable resonator and a shading means
In view of the foregoing, it is an object of the present invention to provide a laser apparatus which can provide a completely circular laser beam by providing a laser beam which is symmetrical with r... Read More
Inventors: Nishimae, Junichi; Yoshizawa, Kenji; Kumamoto, Kenji;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Waveguide laser with microwave excitation
What is claimed is: 1. A waveguide laser comprising a resonator having mirrors arranged in spaced, opposite relation to each other in the direction of a resonator axis and a beam path extending in bot... Read More
Inventors: Gekat, Frank;, Assignee: Deutsche Forschungsanstalt fur Luft- und Raumfahri e.V. (DE) |
Long term mode stabilization for distributed Bragg reflector laser
In accordance with the principles of the present invention, a feedback control circuit which detects light output from a tunable distributed Bragg reflector laser and controllably adjusts the effecti... Read More
Inventors: Koch, Thomas L.; Woodward, Sheryl L.;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Tuned-circuit RF-excited laser
We claim: 1. A radio frequency-excited gas laser comprising: an optical resonant cavity having electrodes disposed on opposite sides thereof and a lasing gas therein, said optical cavity having a cavi... Read More
Inventors: Chenausky, Peter P.; Drinkwater, Erroll H.; Laughman, Lanny M.;, Assignee: United Technologies Corporation (Hartford, CT) |
Perforated electrodes for efficient gas transfer in CW CO.sub.2 waveguide lasers
The present invention proposes to improve the efficiency of a medium power, sealed, radio frequency pumped carbon dioxide laser as described above by adding perforations to the electrodes. These perfo... Read More
Inventors: Sluss, Elmer C.; Nettleton, John E.; Barr, Dallas N.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
High frequency signal driver for a laser diode and method of forming same
OF PREFERRED EMBODIMENTS In FIG. 1 a signal processing system 10 comprises a signal means 11 for providing a signal 11 and which typically comprises a signal voltage source 12 and a source matched re... Read More
Inventors: Toda, Minoru;, Assignee: General Electric Company (Schenectady, NY) |
Semiconductor laser with integral spatial mode filter
We claim: 1. A semiconductor laser comprising: a multimode region having a gain portion, permitting therein propagation of light with a diverging phase front along the entire length of said multimode ... Read More
Inventors: Welch, David F.; Mehuys, David G.; Scifres, Donald R.;, Assignee: SDL, Inc. (San Jose, CA) |
Regenerative passive resonator
OF PREFERRED EMBODIMENTS OF THE INVENTION The ensuing description shows that a high finesse waveguide resonator is achieved by doping the waveguide with an active material that adds stimulated emissi... Read More
Inventors: Lawrence, Anthony W.;, Assignee: Northrop Corporation (Hawthorne, CA) |
Gain-coupled distributed-feedback semiconductor laser
I claim: 1. In a gain-coupled distributed-feedback laser, wherein optical feedback is obtained by means of a grating of passive semiconductor material extending an entire length of the laser length in... Read More
Inventors: Meliga, Marina;, Assignee: CSELT-Centro Studi e Laboratori Telecommunicazioni S.p.A. (Turin, IT) |
Semiconductor laser chip and method of making the same
The object of the present invention is to provide a semiconductor laser chip having a diffraction grating along a laser stripe in which a light waveguide path is included and capable of oscillating un... Read More
Inventors: Kinoshita, Junichi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Acetabular prosthesis
I claim: 1. An acetabular prosthesis comprising: a body of plastics material defining a blind part-spherical socket surrounded by a rim, and a flange around the body and extending outwardly from the r... Read More
Inventors: Charnley, John;, Assignee: Charnley Surgical Inventions Limited (Knutsford, GB2) |
Locking mechanism for prosthesis components
In accordance with the present invention, a bone prosthesis comprises a first component with a concavity having a longitudinal axis; a second component of deformable material having an outer surface t... Read More
Inventors: Parchinski, Thomas J.;, Assignee: Pfizer Hospital Products Group, Inc. (New York, NY) |
Percutaneous access device
In view of the above discussion, it is among the objects of the present invention to provide a percutaneous access device which introduces a tubular device such as a catheter into the body, seals abou... Read More
Inventors: Yamamoto, Ronald K.; Conston, Stanley R.; Bootman, Matthew;, Assignee: Vitaphore Corporation (San Carlos, CA) |
Control Computers 
