Color liquid crystal display and method of manufacture
We claim: 1. A color liquid crystal display which has chromatic pixels and achromatic pixels comprising: color filters formed at locations corresponding to said chromatic pixels and having a light tra... Read More
Inventors: Matino, Haruhiro; Ueki, Toshihiro; Oana, Yasuhisa; Kajimura, Motoji;, Assignee: International Business Machines Corporation (Armonk, NY) |
Photosensitive resins containing a thienylacrylic acid ester or amide group
OF THE INVENTION First, as the processes for producing the polymer compound used in the invention, the following processes are suitable, any one of which being conveniently employed. 1. A process uti... Read More
Inventors: Satomura, Masato;, Assignee: Fuji Photo Film Co., Ltd. (Minami-ashigara, JA) |
Electrophotographic photosensitive member and preparation of photoconductive composition therefor
What is claimed is: 1. An electrophotographic photosensitive member, comprising a photosensitive layer comprising a photoconductive organic pigment or dye dried by the freeze vacuum drying method and ... Read More
Inventors: Matsumoto, Masakazu; Takahashi, Hideyuki;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes, preparation and use thereof as scents
We claim: 1. A 2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptane of the general formula I ##STR8## where R.sup.1 is a straight-chain or branched alkyl of 1 to 10 carbon atoms which additionally ... Read More
Inventors: Gramlich, Walter; Siegel, Hardo;, Assignee: BASF Aktiengesellschaft (Ludwigshafen, DE) |
Film inspection system
It is an object of the invention to provide a film inspection system which will increase motion picture film wear to a minimal extent as a result of running the film through the detection system. It i... Read More
Inventors: Bowen, Howard; Henderson, David; Olson, Carl;, Assignee: Research Technology International (Lincolnwood, IL) |
Optical motion picture film inspection system
It is an object of the invention to provide a film inspection system which will increase motion picture film wear to a minimal extent as a result of running the film through the detection system. It i... Read More
Inventors: Bowen, Howard; Henderson, David; Olson, Carl;, Assignee: Research Technology International (Lincolnwood, IL) |
Fabric pile lay detector using mirror system with means to rotate 360 degrees
I claim: 1. A system to measure the pile lay of fibers on the face of a pile fabric comprising: means supplying a moving web of pile fabric, said pile fabric having a plurality of fibers on the face s... Read More
Inventors: Rumler, Joseph E.;, Assignee: Milliken Research Corporation (Spartanburg, SC) |
Parts recognizing device for mounting machine
A first feature of this invention is adapted to be embodied in a recognizing arrangement for a component mounter that is comprised of a pick-up device adapted to hold and transport components. A camer... Read More
Inventors: Yamada, Naoji; Egashira, Kenji;, Assignee: Yamaha Hatsudoki Kabushiki Kaisha (Iwata, JP) |
Camera with exposure control mechanism
An object of the present invention is to provide an exposure control mechanism capable of avoiding the above-described drawbacks without utilizing any memory member. Another object of the present inve... Read More
Inventors: Ueda, Hiroshi; Yoshizaki, Akira;, Assignee: Minolta Camera Kabushiki Kaisha (Osaka, JA) |
Exposure control method and device
We claim: 1. A method of controlling exposure based on the brightness of an object measured by light measuring means comprising steps of arranging a number of light measuring elements in a light measu... Read More
Inventors: Terashita, Takaaki; Shiota, Kazuo; Nakauchi, Kenji;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Simultaneous exposure/focus control in a video camera using a solid state image sensor
What is claimed is: 1. An exposure measurement and focus detection apparatus for a video imaging system comprising: a. image sensing means having a plurality of pixel elements that generate electrical... Read More
Inventors: Baumeister, Hans P.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Light metering device
The above and other objects of the present invention can be accomplished by providing a center weighted metering device which comprises photometric means for independently metering a plurality of mete... Read More
Inventors: Miyazaki, Takao;, Assignee: Fuji Photo Film Co., Ltd. (Minami-Ashigara, JP) |
Photographing device having plural range finding elements and plural photometric elements
An Object of the Invention is to provide a photographing device that can take a natural-light or strobe photograph at an exposure level appropriate to the main object at all times. To achieve the abov... Read More
Inventors: Yoshida, Masaaki;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Electronically controlled camera including automatic shutter speed changing apparatus
An object of the present invention is to provide an electronically controlled camera in which even if the focal length is changed later changed by a zoom operation after the manual shutter speed has b... Read More
Inventors: Kobayashi, Takeo; Nishida, Takao; Tabata, Yasushi; Numako, Norio; Nagai, Katsutoshi;, Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha (Tokyo, JP) |
Method of calibrating and controlling the optical power output of an OTDR
In accordance with a first aspect of the invention, a method of sampling an input signal comprises repeatedly coupling the input signal to a sample storage element, whereby the magnitude of the signal... Read More
Inventors: Trent, William A.; McDonald, Kevin B.; Bell, Florian G.;, Assignee: Tektronix, Inc. (Wilsonville, OR) |
Fiber optic depolarizer for optical time domain reflectometer and fiber optical communication systems
It is accordingly a primary object of the present invention to provide a fiber optic depolarizer to overcome undesirable effects of the polarization intensity noise in the OTDR and fiber optical commu... Read More
Inventors: Hakimi, Farhad;, Assignee: |
Methods for determining optical properties of optical waveguide fibers using an optical time domain reflectometer
In view of the foregoing, it is an object of the present invention to provide improved methods for distinguishing signal from noise in electrical signals and, in particular, in the electrical signal p... Read More
Inventors: Hanson, Thomas A.;, Assignee: Corning Incorporated (Corning, NY) |
Apparatus for measuring an optical characteristic of an examined lens
The present invention has been made in view of the above circumstances and has an object to overcome the above problems and to provide an apparatus for measuring a lens characteristic, which can measu... Read More
Inventors: Kajino, Tadashi; Fujieda, Masanao; Hikosaka, Yasumi; Ueno, Tokio;, Assignee: Nidek Co., Ltd. (Gamagori, JP) |
Wafer inspection method and apparatus using diffracted light
Consider a reflection grating 10 (e.g. a periodic structure (pattern) such as on a semiconductor wafer) with feature width a and grating pitch d as shown in FIG. 1 in a side view. A change in the a/d... Read More
Inventors: Aiyer, Arun A.; McCoy, John H.; Suwa, Kyoichi; Chau, Henry K.;, Assignee: Nikon Corporation (JP) |
Cryogenic fluid transfer joint employing a stepped bayonet relative-motion gap
What I claim as new and desire to secure by Letters Patent of the United States is: 1. In cryogenic apparatus including a rotor wherein the interior portion thereof is bathed in liquefied coolant at c... Read More
Inventors: Laskaris, Evangelos T.;, Assignee: General Electric Company (Schenectady, NY) |
Apparatus for reading patterns
Accordingly, it is an object of the invention to eliminate the disadvantages involved in the pattern reading apparatus of the prior art mentioned above. It is a more specific object of the invention t... Read More
Inventors: Kimura, Seiichiro; Iwasaki, Yuhei; Kozaki, Yuji;, Assignee: Nippon Seiko Kabushiki Kaisha (Tokyo, JP) |
Signal-processing circuit for heat-sensitive recording apparatus
The object of the present invention is to provide a heat-sensitive recording apparatus capable of high-gradation printing without increasing the capacity of the ROM for storing the energization time-c... Read More
Inventors: Gotoh, Toshihiko; Yoshida, Takahiko; Kobori, Yasunori;, Assignee: Hitachi, LTD. (Tokyo, JP) |
Method and apparatus for preventing unevenness in printing depth in a thermal printer
It is, therefore, an object of the present invention to provide new thermal printing method capable of rapidly printing without unevenness in printing depth. It is another object of the present invent... Read More
Inventors: Minowa, Takehiko; Yamamoto, Toshifumi;, Assignee: Kabushiki Kaisha Toshiba (JP) |
Thermal printhead
It is, therefore, an object of the present invention to provide a thermal printhead which is capable of preventing a positional deviation of a flexible connector board relative to a head substrate, th... Read More
Inventors: Sako, Teruhisa;, Assignee: Rohm Co., Ltd. (Kyoto, JP) |
Solar radiation reflectors adapted to track the incident rays of the sun
I claim: 1. A solar radiation reflector which comprises a bearing column, a plurality of secondary structures mounted on the bearing column and a series of reflecting surfaces mounted on the the secon... Read More
Inventors: Sintes, Julio F.;, Assignee: Sener, Ingenieria y Sistemas, S.A. (ES) |
Backlash-free cam control
The inventive concept will be explained in further detail with reference to the accompanying drawings, in which: FIG. 1 is a basic sketch to illustrate one cam-control embodiment of the invention; FI... Read More
Inventors: Weiss, Otto;, Assignee: Zeiss-Stiftung; Carl (0berkochen, DE) |
Adjusting device for lenses
It is therefore an object of the invention to provide an improved adjusting device for lens systems. It is a particular object of the invention to provide an adjusting device for lens systems which pe... Read More
Inventors: Schlapp, Werner; Mulch, Herbert;, Assignee: Ernst Leitz Wetzlar GmbH (Wetzlar, DE) |
Automatic flash-photographing arrangement
I claim: 1. An automatic flash-photographing arrangement comprising a photoelectric current amplifying circuit, a first capacitor connectable to said photoelectric current amplifying circuit, a differ... Read More
Inventors: Matsumoto, Kunio;, Assignee: Copal Company Limited (Tokyo, JA) |
Information storage and frequency converter for liquid crystal display
Accordingly, an object of the present invention is to provide a liquid crystal drive network for converting segment signals having a high frequency to a form suited for liquid crystal display units. A... Read More
Inventors: Washizuka, Isamu; Nakagawa, Hirohide;, Assignee: Sharp Kabushiki Kaisha (Osaka, JA) |
Ultra-violet micrographic objective
What is claimed is: 1. An economically manufacturable optical system of relatively large effective aperture for efficiently transmitting rays in the ultra-violet portion of the spectrum, the optical s... Read More
Inventors: Fleischman, Andor A.;, Assignee: Bell & Howell Company (Chicago, IL) |
LCD 
