Liquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acids
OF PREFERRED EMBODIMENTS The invention is explained in greater detail in the following by means of synthesis examples. EXAMPLE 1 (S)-(+)-1-(4-n-Alkoxy-benzoyloxy)-4-(2-chloro-3-methylbutyryloxy)-biph... Read More
Inventors: Demus, Dietrich; Zaschke, Horst; Weissflog, Wolfgang; Mohr, Kristina; Kohler, Saskia; Worm, Kerstin;, Assignee: VEB Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik (Berlin, DD) |
Mesomorphic isocyanate extended rigid polymers
We claim: 1. In a device for displaying indicia, performing memory functions or indicating temperature, comprising (1) a containing structure for liquid capable of liquid-crystalline behavior; (2) a h... Read More
Inventors: Aharoni, Shaul M.; Sibilia, John P.; Kozlowski, Deborah R.;, Assignee: Allied Chemical Corporation (Morris Township, Morris County, NJ) |
Optical branching device using a liquid crystal
OF THE PREFERRED EMBODIMENTS FIG. 1 shows an optical branching device comprising four optical ports 1, 2, 3 and 4. Each port comprises, for example, an optical fiber 5. On the end of each optical fib... Read More
Inventors: Beckmann, Friedrich K.; Dotsch, Horst; Hoppe, Wolfgang;, Assignee: U.S. Philips Corporation (New York, NY) |
UV-absorbing condensation polymeric compositions and products therefrom
We claim: 1. A polyester composition having a maximum light absorbance within the range of from about 320 nm to about 380 nm and having reacted therein a total of from about 1.0 to about 5,000 parts b... Read More
Inventors: Pruett, Wayne P.; Wang, Richard H. S.; Hilbert, Samuel D.; Weaver, Max A.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Production of high-molecular polytetramethylene adipamide pellet
We claim: 1. A method for producing a high molecular weight polyamide pellet consisting substantially of units having the formula --NH--(CH.sub.2).sub.4 --NH--CO--(CH.sub.2).sub.4 --CO-- comprising: (... Read More
Inventors: Bongers, Antonius J. P.; Roerdink, Eize;, Assignee: Stamicarbon B.V. (Geleen, NL) |
Quinodimethane compositions
What is claimed is: 1. A diphenoquinodimethane composition corresponding to the structure: ##STR14## where R is a substituent selected from hydrogen and alkyl group containing between about 1-20 carbo... Read More
Inventors: Choe, Eui W.; Buckley, Alan; Garito, Anthon F.;, Assignee: Celanese Corporation (New York, NY) |
Facsimile reproduction system
The above and other beneficial objects and advantages are attained in accordance with the present invention by providing a facsimile system comprising a transmitter and receiver. The transmitter inclu... Read More
Inventors: Bardos, Andrew Miklos;, Assignee: The Associated Press (New York, NY) |
Implosion resistant cathode ray tube and fabricating process
An object of the present invention is to provide an improved implosion-resistant cathode ray tube. Another object of the invention is to enhance the implosion-resistant capabilities of a cathode ray t... Read More
Inventors: Amstutz, O. Wendell; Dickinson, William A.; Kreidler, James F.;, Assignee: GTE Sylvania Incorporated (Stamford, CT) |
Field sensitive optical displays, generation of fields therefor and scanning thereof
It is an object of the present invention to provide improved field sensitive optical devices. It is another object of the present invention to provide simplified field sensitive display devices having... Read More
Inventors: Bohmer, William; Betancourt, Walter J.; Hoffman, Louis S.;, Assignee: Control Interface Company Limited (Randolph, NJ) |
Magnifier lens assembly
In accordance with an aspect of this invention, a magnifier lens assembly for a lamp head is provided which comprises a barrel housing, first, second, and third lenses, each having a convex surface, a... Read More
Inventors: Schaffer, Irving;, Assignee: Luxo Lamp Corporation (Port Chester, NY) |
Timing pulse generator for scanning apparatus
Therefore, it is an object of the present invention to provide a timing pulse generator which can eliminate the above mentioned defects of the known non-impact printer when the timing pulse generator ... Read More
Inventors: Mikami, Tomohisa; Abe, Fumitaka; Sakurai, Fumio; Matsuda, Tadashi;, Assignee: Fumitsu Limited (Kanagawa, JP) |
Tape printing apparatus
It is therefore a primary object of the present invention to provide a printing apparatus capable of cutting a print tape at the proper position without requiring a later manual trimming step to elimi... Read More
Inventors: Minaminaka, Kazuyoshi;, Assignee: Brother Kogyo Kabushiki Kaisha (Nagoya, JP) |
Display cell
What is claimed is: 1. A display cell comprising two closely-spaced parallel transparent substrate plates which are interconnected along their periphery by means of a seal, and which plates are provid... Read More
Inventors: Van Sprang, Hendrik A.; Koopman, Henricus G.; Wortel, Franciscus J. M.;, Assignee: U.S. Philips Corporation (New York, NY) |
Hybrid bit clock servo
What is claimed is: 1. A circuit for individually correcting the bit clock of a spot scanner for each of a plurality of facets of a polygon comprising: clock counter means for determining whether the ... Read More
Inventors: Rider, Ronald E.;, Assignee: Xerox Corporation (Stamford, CT) |
Liquid crystal cell window
It is therefore a primary object of the present invention to provide an optical time delay unit for use in an electrically tunable optical phase shifter. It is a further object of this invention to pr... Read More
Inventors: Resler, Daniel P.;, Assignee: Raytheon Company (Lexington, MA) |
Optical disc apparatus lens drive apparatus and method for the manufacture of such
The present invention has as a general object the provision of an optical disc apparatus lens drive apparatus and method for the manufacture of such, which is both novel and effective in eliminating t... Read More
Inventors: Noda, Yasushi; Shimozawa, Kenji; Kamisaka, Takashi;, Assignee: Teac Corporation (Tokyo, JP) |
Thermal transfer printing apparatus
It is an object of the present invention to provide a thermal transfer printing apparatus capable of printing a halftone image without degrading resolution. According to the present invention, there i... Read More
Inventors: Hirahara, Shuzo; Nagato, Hitoshi; Higuchi, Kazuhiko; Yamada, Kiyoshi; Ohno, Tadayoshi; Kanai, Tsutomu;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Halftone image printing device
It is an object of the present invention to provide a halftone image printing device capable of printing a halftone image without degrading resolution. According to the present invention, there is pro... Read More
Inventors: Hirahara, Shuzo; Nagato, Hitoshi; Higuchi, Kazuhiko; Yamada, Kiyoshi; Ohno, Tadayoshi; Kanai, Tsutomu;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Laser power monitoring optics for a ring laser gyroscope
OF THE PRESENT INVENTION Referring to FIG. 1, a schematic illustration of a monolithic three axis RLG (gyro) assembly is shown. Mirrors 1 to 6 are respectively positioned in the center of each body f... Read More
Inventors: Shernoff, Donald I.;, Assignee: Kearfott Guidance & Navigation Corporation (Wayne, NJ) |
Charge transfer filter
What I claim as new and desire to secure by Letters Patent of the United States is: 1. In combination, a substrate of semiconductor material of one conductivity type having a major surface, means form... Read More
Inventors: MacLennan, Donald J.;, Assignee: General Electric Company (Schenectady, NY) |
Lens mounting mechanism
An object of the invention is to eliminate the above-described drawbacks of the prior art, and to provide a lens spacing adjusting mechanism comprising a scewthreaded ring between the body tube and th... Read More
Inventors: Kamata, Shigeru; Iizuka, Toshimi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Biasing liquid crystal displays having capacitors and transistors
It is an object of the present invention to provide a novel display apparatus capable of eliminating various drawbacks of above-mentioned conventional display apparatus. It is another object of the pr... Read More
Inventors: Okubo, Yukitoshi; Osada, Yoshiyuki; Sugata, Masao; Hatanaka, Katsunori; Nakagiri, Takashi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Alignment fixture for an optical instrument
Accordingly, it is a primary object of the present invention to provide an alignment fixture for an optical instrument such as an optical correlator providing for the adjustment of the alignment of an... Read More
Inventors: Leib, Kenneth G.; Pernick, Benjamin J.; Sullivan, Edward V.; Heuer, Ronald L.;, Assignee: Grumman Aerospace Corporation (Bethpage, NY) |
Novel lens carrier
What is claimed is: 1. A tubular shaped lens carrier for attachment to a cameral carrying device which comprises: (1) two elongated arcuately shaped segments each having a top cowling and a bottom cow... Read More
Inventors: Parandes, Dana J.;, Assignee: |
Dispenser and method for dispensing hunting odors
It has now been found that certain of the foregoing and other objectives are achieved in a hunting odor dispensing package, wherein the hunting odor is identical or similar to a naturally occurring en... Read More
Inventors: Sakschek, Helmut W.;, Assignee: |
Light transceiver device
The present invention provides an improved light transceiver which sufficiently attenuates ambient light interference to increase the sensitivity of the transceiver to light present along the axis of ... Read More
Inventors: Spielman, Richard;, Assignee: |
Low-loss correction filter for manufacturing the phosphor screens of color picture tubes
I claim: 1. In a correction filter for a lighthouse for use in connection with the manufacture of color picture tubes, with one surface thereof having portions provided with a barrier layer having a d... Read More
Inventors: Fischer, Bruno;, Assignee: International Standard Electric Corporation (New York, NY) |
Fluorophosphate glass and process of making same
It is one object of the present invention to provide glasses having not only an index of refraction n.sub.e which exceeds the index of 1.57 and an Abbe number .nu..sub.e lower than 70, but also having... Read More
Inventors: Broemer, Heinz; Meinert, Norbert;, Assignee: Ernst Leitz G.m.b.H. (Wetzlar, DT) |
Barium borosilicate optical glasses
We claim: 1. A lanthana-baria-borosilicate optical glass having a refractive index greater than 1.64, a dispersive index of at least 53, a weight loss not exceeding 1 mg./cm..sup.2 when immersed in a ... Read More
Inventors: Hares, George B.; Morgan, David W.;, Assignee: Corning Glass Works (Corning, NY) |
Optical glass
We claim: 1. An optical glass composition devoid of a divalent metal oxide having a refractive index of from 1.71 to 1.74 and Abbe number of from 49 to 54 which consists essentially of, by weight: SiO... Read More
Inventors: Ishibashi, Kazufumi; Ichimura, Takeo;, Assignee: Nippon Kogaku K.K. (Tokyo, JA) |
LCD 
