Gated video mixer
The present invention is summarized in that a video mixer is created which strips the sync pulse from a composite video and provides that sync pulse as an output, and which combines a composite video ... Read More
Inventors: Carmean, Ronald E.;, Assignee: Nicolet Instrument Corporation (Madison, WI) |
Optical fiber having polymethacrylate core and fluoro-copolymer cladding
What is claimed is: 1. An optical fiber comprising: a solid cylindrical core formed of a polymer at least a major constituent of which is methyl methacrylate; and a cladding layer which is in close co... Read More
Inventors: Koishi, Toshio; Tanaka, Isao; Yasumura, Takashi; Nishikawa, Yukitoshi;, Assignee: Central Glass Company, Limited (Ube, JP) |
Polymer claddings for optical fibre waveguides
What we claim is: 1. An optical fibre comprising a core coated with a cladding composition having a lower refractive index than the core, said cladding composition comprising one or more fluorinated m... Read More
Inventors: Hulme-Lowe, Alan G.; Dodds, Alistair S.; Babirad, Stefan A.; Savu, Patricia M.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Optical fibers with terpolymer cladding
OF THE INVENTION The polymer used as the cladding material in the invention is a terpolymer produced from the monomer components (1), (2) and (3) in the ratio as indicated above. Trifluoroethylene in... Read More
Inventors: Kubo, Motonobu; Inukai, Hiroshi; Kitahara, Takahiro;, Assignee: 501 Daikin Industries, Ltd. (Osaka, JP) |
Optical isolator and method for assembling same
In this invention, in the assembly of optical isolators comprised of polarizers, analyzers using Farady rotators, and permanent magnets to magnetize the Faraday rotators to produce the Faraday effect,... Read More
Inventors: Konno, Yoshihiro; Kume, Hiroshi;, Assignee: Namiki Precision Jewel Co., Ltd. (Tokyo, JP) |
Optical attenuating isolator
It is therefore an object of the present invention to provide an improved optical attenuating isolator. It is also an object of the invention to provide an optical attenuating isolator which can perfo... Read More
Inventors: Kim, Jeong-mee;, Assignee: SamSung Electronics Co., Ltd. (Suwon, KR) |
Optical fiber holder and optical fiber holding method
In accordance with one aspect of the present invention, there is provided an optical fiber holder comprising: a tubular member for fitting over an optical fiber bundle comprising a bundle of plural op... Read More
Inventors: Yoneda, Kenji;, Assignee: CCS, Inc. (Kyoto, JP) |
Optical member of synthetic quartz glass for excimer lasers and method for producing same
What is claimed is: 1. A method for producing an optical member for excimer lasers made from synthetic quartz glass which has an OH group-content ranging from 10 to 100 ppm, a chlorine-content of not ... Read More
Inventors: Nishimura, Hiroyuki; Fujinoki, Akira; Matsuya, Toshikatsu; Inaki, Kyoichi; Kato, Toshiyuki; Shimada, Atsushi;, Assignee: Shin-Etsu Quartz Products Company Limited (Tokyo, JP) |
Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber
An object of the present invention is to provide a high precision large-sized and thick quartz glass tube. Another object of the present invention is to provide a large-scale quartz glass preform whic... Read More
Inventors: Yokokawa, Kiyoshi; Aoyama, Masaaki; Vilsmeier, Gerhart;, Assignee: Heraeus Quarzglas GmbH (DE); Shin-ETSU Quartz Products Col, Ltd. (JP) |
Modular high spatial resolution scintigraphic device with multiple independent photomultipliers and with extensible visualisation area
With reference to FIG. 1, a device according to the invention is shown with a multiplicity of independent complexes of collimator and photomultiplier, each defining a detection module n. The collimat... Read More
Inventors: Soluri, Alessandro; Scafe', Raffaele; Burgio, Nunzio; Schiaratura, Alfiero;, Assignee: C.N.R. - Consiglio Nazionale Delle Ricerche (Rome, IT) |
System for measuring and identifying line spacing on a curved surface
A system for measuring matrix barwidths composed of opaque lines and transparent spaces, includes an array of energy responsive pixels. The pixels provide analog pixel signals having one level when en... Read More
Inventors: Krufka, Frank S.;, Assignee: RCA Corporation (Princeton, NJ) |
Method of processing high purity low-OH vitreous silica fibers
The present invention is predicated upon my discovery of a technique for permeating high purity low-OH vitreous silica with molecular deuterium to react the peroxy linkages contained in the silica to... Read More
Inventors: Freund, Friedemann;, Assignee: |
Method for increasing the index of refraction of a glassy material
In accordance with the invention, the index of refraction of a glassy material is increased by treating the material with hydrogen and applying heat. Specifically, the glass is exposed to hydrogen or ... Read More
Inventors: Atkins, Robert M.; Lemaire, Paul J.; Mizrahi, Victor; Walker, Kenneth L.;, Assignee: AT&T Corp. (Murray Hill, NJ) |
Poly-planar optical display imaging system
OF THE INVENTION It is to be understood that the figures and descriptions of the present invention have been simplified to illustrate elements that are relevant for a clear understanding of the prese... Read More
Inventors: Cotton, Christopher T.;, Assignee: Scram Technologies, Inc. (Dunkirk, MD) |
Television camera optics with a light guide for camera adjustment
What is claimed is: 1. A television camera optical system for viewing a scene and having a light guide for camera adjustment comprising: (a) a television lens group including a front lens group, (b) a... Read More
Inventors: Hirose, Ryusho; Wakui, Kotaro;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP); Nippon Hoso Kyokai (Tokyo, JP) |
Original reading apparatus
It is an object of the present invention to provide A novel original reading apparatus which is capable of reading originals of plural colors and colored originals. It is another object of the present... Read More
Inventors: Koumura, Noboru; Ayata, Naoki; Saito, Seiji; Suzuki, Hidetoshi; Ozawa, Kunitaka;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Elevator system
We claim as our invention: 1. An elevator system comprising: a building having a hoistway, an elevator car mounted for movement in said hoistway, said elevator car to be stopped at a predetermined sto... Read More
Inventors: Kernick, Andress; Ravas, Richard J.; Geyer, Manvel A.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Automatic music selecting device
In accordance with this and other objects of the invention, there is provided an automatic music selecting device including an intersong sensor mounted on a pickup cartridge mounted on an arm for dete... Read More
Inventors: Yoshio, Junichi;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Image display apparatus
Accordingly, it is an object of the present invention to provide a novel image display apparatus which is simple in construction, large in size and thin or flat in depth. According to the present inve... Read More
Inventors: Shimada, Satoshi;, Assignee: Sony Corporation (Tokyo, JP) |
High resolution television
In accordance with the present invention, vertical resolution is increased for standard television by modulating the vertical scan axis (deflection) of a television camera such that each active scanni... Read More
Inventors: Songer, Jimmie D.;, Assignee: High Resolution Televison, Inc. (Los Angeles, CA) |
Radiation containment apparatus and method
I claim: 1. A method of reducing radiation emission from a cathode ray tube comprising: positioning a sheet of a transparent polyvinyl chloride material in proximity to and in correspondence with the ... Read More
Inventors: Keller, John D.;, Assignee: |
Digital deghosting system
What is claimed is: 1. In a digital video processing system including analog-to-digital converter, means responsive to an analog video signal having a desired main component and undesired ghost compon... Read More
Inventors: Lewis, Jr., Henry G.;, Assignee: RCA Corporation (Princeton, NJ) |
Telephone handset construction
Referring to the drawing, in one illustrative embodiment of the invention a telephone handset comprises a lower housing member 100 having a transducer mounting position 110 at one end. The transducer... Read More
Inventors: Brown, Reed S.; Consoli, John J.; Klier, Richard G.;, Assignee: American Telephone & Telegraph Company; AT&T Information Systems Inc. (Murray Hill, NJ) |
Automatic illumination compensation circuit
OF THE PREFERRED EMBODIMENT An automatic illumination compensation circuit for use in a document reproduction system is shown generally at 10 in FIG. 1. The circuit 10 is coupled to the output of an ... Read More
Inventors: Tisue, James G.;, Assignee: Rapicom Inc. (Santa Clara, CA) |
Bar type channel identification apparatus for a television receiver
What is claimed is: 1. In a television including a tuner responsive to the magnitude of a tuning signal for tuning RF carriers to produce an IF signal; search means for changing the magnitude of said ... Read More
Inventors: Shiu, Tony L.;, Assignee: RCA Corporation (New York, NY) |
Apparatus for the amplitude discrimination of a video signal
According to the present invention there is provided in an apparatus for the amplitude discrimination of a video signal of the kind in which the video signal is applied to a window discriminator which... Read More
Inventors: Kamin, Gerhard R.;, Assignee: Robert Bosch GmbH (Stuttgart, DE) |
Method and apparatus for ejecting a droplet using an electric field
The present invention provides for parametrically pumping droplets from the crests of capillary waves using electric fields. Capillary waves are generated on the free surface of a liquid, beneficially... Read More
Inventors: Quate, Calvin F.;, Assignee: Xerox Corporation (Stamford, CT) |
Transceiver for multi-drop local area networks
Having described our invention, what we claim as new and desire to secure by Letters Patent is: 1. A receiver for a local area network utilizing a digital carrier modulated transmission channel compri... Read More
Inventors: Hill, Lawrence W.; Sarles, Frederick W.;, Assignee: Controlonics Corporation (Westford, MA) |
Gray scale printing with ink jet drop-on demand printing head
It is therefore the object of this invention to produce an improved drop-on demand printing system having gray scale capability. It is another object of this invention to produce an improved drop-on-d... Read More
Inventors: Chee-Shuen Lee, Francis; Mills, Ross N.; Talke, Frank E.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Helical UHF transmitting and/or receiving antenna
OF THE PREFERRED EMBODIMENTS FIG. 1 of the drawing shows a helical antenna 1 according to the present invention which has at least one and a half but not more than ten turns. The helical antenna 1 is... Read More
Inventors: Frese, Stefan;, Assignee: AKG Akustische u. Kino-Gerate Gesellschaft m.b.H. (Vienna, AT) |
TV Signal 
