Fluorescent indicator tube and related circuit
What is claimed is: 1. A level indicator for indicating the level of multi-channel analog signals, comprising within an evacuated envelope: first and second parallel rows of successively arranged anod... Read More
Inventors: Inami, Mamoru; Tanaka, Yoshiaki;, Assignee: Victor Company of Japan, Limited (Yokohama, JP) |
Electrode connection structure of flat device
It is an object of the present invention to provide an electrode connection structure in which a film carrier on which semiconductor devices are installed and a connecting portion are integrated, and ... Read More
Inventors: Matsunaga, Koji; Hatada, Kenzo;, Assignee: Matsushita Electric Industrial Co. Ltd. (Osaka, JP) |
Sewer blockage alarm
The present invention comprises a sewer blockage alarm comprised of a pressure sensor switch mounted to the inside of a cap for a sewer clean out branch. An open ended pressure bell is connected to th... Read More
Inventors: Tourtillott, Robert;, Assignee: |
Image display control apparatus
Accordingly, an object of the present invention is to provide an image display control apparatus which is simple in construction and inexpensive, and can readily and effectively perform editing of the... Read More
Inventors: Saito, Mitsuo; Aikawa, Takeshi; Mori, Akio;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki, JP) |
Strain sensor employing bi layer piezoelectric polymer
The present invention provides a sensor for electrostatically producing a two-dimensional surface profile of the strain to which an object is subjected; such sensor includes a normally flat layer of p... Read More
Inventors: Taylor, Allen L.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Portable microfilm viewer
It is accordingly an object of the present invention to provide a portable microfilm viewer which avoids problems of prior art devices. Another object of the present invention is to provide a portable... Read More
Inventors: Klein, Jeshayahu;, Assignee: |
Light guide for liquid detection and cable comprising such a guide
We claim: 1. A moisture signalling conductor comprising: (A) an elongated tubular element pervious to moisture and having a rib-shaped pattern pressure area therein, (B) a light guide in said tubular ... Read More
Inventors: Diemeer, Martinus B. J.; de Jongh, Alphonsus G. W. M;, Assignee: Staat der Nederlanden (Staatsbedrifj der Posterijen, Telegrafie en (The Hague, NL) |
Compounds for ferroelectric liquid crystal devices
We claim: 1. A ferroelectric smectic liquid crystal mixture in which a first constituent of the mixture is chiral, which first constituent is admixed with a second constituent which exhibits a tilted ... Read More
Inventors: Chan, Lawrence K. M.; Coates, David; Gemmell, Peter A.; Gray, George W.; Lacey, David; Toyne, Kenneth J.; Young, Daniel J. S.; Bone, Matthew F.; Jackson, Adam; Scrowston, Richard M.;, Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government (London, GB2) |
Liquid-crystal image converter device
FIG. 1 illustrates an images converting cell receiving an image projected by a writing-in beam 1. Following the incident direction of the beam 1, successive encounters are made with an electrode 2, a... Read More
Inventors: Huignard, Jean-Pierre; Le Berre, Serge; Mayeux, Christian; Micheron, Francois;, Assignee: Thomson-CSF (Paris, FR) |
Ferroelectric liquid crystal device and driving method therefor
The present invention has been accomplished to solve the above mentioned problems and particularly aims at providing a liquid crystal device with an improved luminance contrast. Another object of the ... Read More
Inventors: Taniguchi, Osamu; Kanbe, Junichiro; Okada, Shinjiro; Tsuboyama, Akira; Enari, Masahiko;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Manual retrieving mechanism for microfiche reader apparatus or the like
A main object of the present invention is to overcome the foregoing problems and to provide an improved novel manual retrieving mechanism for a reader, reader-printer and like apparatus having an auto... Read More
Inventors: Watanabe, Yutaka; Yamagishi, Seiichi; Toriumi, Shiro;, Assignee: Minolta Camera Kabushiki Kaisha (Osaka, JP) |
Alignment layer orientation in raster scan thermally addressed smectic liquid crystal displays
It is a primary object of this invention to provide an improved raster-scanned thermally addressed liquid crystal display. It is another object of this invention to provide a raster-scanned liquid cry... Read More
Inventors: Clecak, Nicholas J.; Cox, Robert J.; Feng, Joseph S.; Leff, Jerry;, Assignee: International Business Machines Corporation (Armonk, NY) |
Electrooptical comparators
We claim: 1. Apparatus for receiving light entering in a predetermined input direction therein and controlling the directions in which portions of the light travel through regions thereof so as to eme... Read More
Inventors: Kenan, Richard P.; Verber, Carl M.;, Assignee: Battelle Memorial Institute (Columbus, OH) |
Infrared detector and imaging system
A principle object of the invention Infrared Detector Array is to provide a TIS having high resolution at low cost by use of a sparsely populated and easily manufactured two dimensional detector array... Read More
Inventors: McConkle, Charles C.; O'Neil, William F.; Meier, Michael J.; Fjeldsted, Thomas P.; Thomas, James L.; Pfeifer, Arthur F.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Fluorine-containing chiral smectic liquid crystals
OF THE INVENTION The present invention relates to chiral compounds having fluorine-containing terminal groups and compounds related thereto for use as liquid crystal materials. Compounds of this inve... Read More
Inventors: Janulis, Eugene P.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Nematic liquid crystal composition
What is claimed is: 1. A dynamic scattertype nematic liquid crystal composition, which comprises a predominant amount of a nematic liquid crystal selected from the group consisting of an N.sub.n -type... Read More
Inventors: Nakano, Fumio; Toriyama, Kazuhisa; Nagata, Noboru; Sato, Mikio;, Assignee: Hitachi, Ltd. (JA) |
Digital second-order clock linearizer
OF THE PREFERRED EMBODIMENT In the exemplary embodiment, a thermocouple 10 is shown as a sensor which produces a non-linear millivolt level signal, in accordance with its junction temperature. The si... Read More
Inventors: Aneshansley, Nicholas E.;, Assignee: Instrulab Incorporated (Dayton, OH) |
Dyes for smectic cells
OF THE INVENTION The quoted order parameters were measured by conventional methods using as the host liquid crystal the nematic mixture marketed by Merck Sharpe & Dohme under the designation ZLI 1132... Read More
Inventors: Coates, David;, Assignee: ITT Industries, Inc. (New York, NY) |
Variable light transmission ophthalmic device
OF THE INVENTION Referring to the drawings, FIG. 1 is a perspective rear view of the ophthalmic device of the present invention. Frame member 20 generally comprises two fixed light polarizing element... Read More
Inventors: Land, Edwin H.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Liquid-crystal compound, liquid crystal composition and liquid crystal display device
An object of the present invention is to provide novel ester-type liquid crystal compounds showing a smectic liquid crystal phase and a large positive dielectric constant anisotropy, liquid crystal co... Read More
Inventors: Yokokura, Hisao; Era, Susumu; Abe, Hidetoshi; Nakata, Tadao; Kitamura, Teruo; Mukoh, Akio;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Optical magnifying system: 10 x loupe
Accordingly, it is an object of the present invention to overcome the disadvantages of the above art. The new and improved optical magnifying system of the present invention provides the art with an e... Read More
Inventors: Wickholm, David R.; Strittmatter, Donald J.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Semiconductor radiation detector
What we claim is: 1. A semiconductor radiation detector comprising a detector unit including a detection element having a single crystal silicon substrate with an impurity concentration of less than 1... Read More
Inventors: Kobayashi, Tetsuji; Sugita, Tohru; Matsuo, Noboru;, Assignee: Tokyo Shibaura Electric Co., Ltd. (Kawasaki, JP) |
Scanning x-ray inspection system
OF THE INVENTION FIG. 1 illustrates a conventional flying spot scanner. X-ray tube 21 operates continuously by accelerating electrons from filament 22 toward anode 23 where they are suddenly decelera... Read More
Inventors: Houston, John M.;, Assignee: General Electric Company (Schenectady, NY) |
Xenon x-ray detector with tapered plates
OF THE INVENTION FIG. 1 illustrates a preferred embodiment of the present invention in which there are shown detector plates 10h, 10i, and 10j arranged in a spaced apart relationship, the center-to-c... Read More
Inventors: Houston, John M.;, Assignee: General Electric Company (Schenectady, NY) |
Radiation detection tube having spurious radiation shield
What is claimed is: 1. In a radiation detection tube having a glass envelope surrounding an anode and cathode in a gaseous mixture, the improvement comprising a conductive band on the exterior of said... Read More
Inventors: Groppetti, Claudio C.; Stinger, Brian R.; Celt, James M.; Larsen, Theodore E.;, Assignee: Detector Electronics Corp. (Minneapolis, MN) |
Apparatus for sterilizing liquids
The essential feature of the invention is that it does away with separate heating devices and the associated individual regulating arrangements for keeping the temperature of the tubular extension con... Read More
Inventors: Wiesmann, Rudolf;, Assignee: BBC Brown, Boveri & Company, Limited (Baden, CH) |
Semiconductor diode array liquid crystal device
In view of the foregoing factors and conditions characteristic of the prior art, it is a primary object of the present invention to provide an improved electro-optical device. Another object of the pr... Read More
Inventors: Braatz, Paul O.;, Assignee: Hughes Aircraft Company (Culver City, CA) |
Liquid crystal device having "dummy" thin-film transistors as spacers
Accordingly, it is an object of the present invention to provide a liquid crystal device which may ensure a uniform small thickness of the cell gap and thereby obtain improved display characteristics.... Read More
Inventors: Nakanowatari, Jun;, Assignee: Alps Electric Co., Ltd. (JP) |
Optical power divider
What is claimed is: 1. An optical power divider comprising: first and second imaging devices, each of which can convert a point light source into parallel rays and can convert parallel rays into a poi... Read More
Inventors: Dammann, Hans; Killat, Ulrich;, Assignee: U.S. Philips Corporation (New York, NY) |
Circuit arrangement for synchronizing an oscillator
It is an object of the invention to provide a circuit arrangement of the type described above in which substantially all elements, even the capacitor, can be integrated and in which the control pulses... Read More
Inventors: Hovens, Paulus J. M.;, Assignee: U.S. Philips Corporation (New York, NY) |
LCD 
