Method of and apparatus for establishing highlight and shadow densities
The present invention is directed to a method of and an apparatus for establishing a gradation control density X.sub.c employed as a highlight density or a shadow density on a gradation correction cur... Read More
Inventors: Nomura, Akihiro;, Assignee: Dainippon Screen Mfg. Co., Ltd. (JP) |
Electronic measurement system
I claim: 1. Measurement apparatus, comprising: switch means having ON and OFF states; first counter means; means for cyclically counting said first counter means; second counter means; means for compa... Read More
Inventors: Georgi, Heinz W.;, Assignee: IVAC Corporation (San Diego, CA) |
Clinical thermometer with thermo-couple probe
I claim: 1. An electrical clinical thermometer comprising display means for indicating a sensed temperature, a temperature sensing probe, and a releasable connector means for connecting said probe to ... Read More
Inventors: Hammerslag, Julius G.;, Assignee: Temp-Stik Corporation (Laguna Hills, CA) |
Thermometer using a thermo-sensitive element
Accordingly, an object of this invention is to provide a thermometer using a thermo-sensitive element capable of measuring temperature in a short time. Another object of this invention is to provide a... Read More
Inventors: Shimazaki, Takaichi; Hazome, Katsuaki;, Assignee: Hitachi Iruma Electronic Company Ltd. (Tokyo, JP) |
Opposed button thrust surfaces for earth boring bits
In this invention, each of the thrust shoulders contains a plurality of wear resistant buttons. These buttons engage each other in sliding contact to absorb outward thrust. The buttons are secured in ... Read More
Inventors: Mullins, John M.;, Assignee: Hughes Tool Company - USA (Houston, TX) |
Liquid crystal display device with light shield of specific transmittance
It is an object of the present invention to solve the above-mentioned problem. The present invention provides a liquid crystal display device of negative display type, which comprises a liquid crystal... Read More
Inventors: Saito, Yuichi; Kadoo, Fumio;, Assignee: Asahi Glass Company Ltd. (Tokyo, JP) |
Liquid crystal variable color density lens and eye protective devices incorporating the same
Accordingly, it is an object of the invention to provide a sunlight protective optical device that incorporates the ability to vary both chromatic color and color density, and which corresponds exactl... Read More
Inventors: Sethofer, Nicholas L.; Henderson, deceased, Eric R.;, Assignee: |
Apparatus and method for color transformation
The present invention seeks to provide a color transformation apparatus and technique which require relatively little memory but which result in relatively high transformation accuracy. The apparatus ... Read More
Inventors: Bachar, Avraham;, Assignee: Scitex Corporation Ltd. (Herzliya, IL) |
Method and apparatus for sealing liquid crystal display element cell
The present invention has been made in consideration of the above situation in the prior art, and has as its object to provide a method and apparatus for sealing a liquid crystal display element cell,... Read More
Inventors: Matsuzawa, Tadashi;, Assignee: NEC Corporation (Tokyo, JP) |
Arrangement of .lambda./2 retardation plate in projector
An object of the present invention is thus to provide a technique for reducing chrominance nonuniformities in the images displayed by a projector. At least part of the above and other objects of the p... Read More
Inventors: Takezawa, Takeshi;, Assignee: Seiko Epson Corporation (Tokyo, JP) |
Method of recording images
In accordance with the present invention, a method of recording an image on a record medium in which the image comprises a number of laterally interleaved first patterns comprises (1) deriving a secon... Read More
Inventors: Clinton, Geoffrey D.;, Assignee: Crossfield Electronics Limited (London, GB2) |
High contrast back lit liquid crystal display system
The high contrast back lit liquid crystal display system of this invention comprises a transparent front cover plate, which may or may not be required, an information-bearing liquid crystal display be... Read More
Inventors: Klein, Herman C.;, Assignee: McDonnell Douglas Corporation (Long Beach, CA) |
Display device having an improvement in insulating between conductors connected to electronic components
It is hence a primary object of the invention to present an electronic apparatus capable of forming conductors finely by enhancing the insulation performance between conductors on a substrate to which... Read More
Inventors: Kawashima, Akihiro; Yoshida, Hirokazu; Tagusa, Yasunobu; Inada, Kiyoshi; Makita, Hideshi; Dotta, Yoshihisa;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Zoom lens having small distortion
The lens system according to the present invention provides a miniaturized zoom lens having small distortion and the other various aberrations to be well compensated, by arranging a third lens group h... Read More
Inventors: Itoh, Takayuki;, Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha (Tokyo, JP) |
Zoom lens system
A general object of the present invention is to provide a zoom lens system comprising a flare stop so arranged as to be movable along the optical axis, and is so adapted as to correct flare without ma... Read More
Inventors: Fujii, Toru;, Assignee: Olympus Optical Co., Ltd. (Tokyo, JP) |
Finite distance zoom lens system
An object of the present invention is to eliminate the above noted defects by providing a novel zoom lens system. Also, the zoom lens of finite distance to which the present invention is directed is p... Read More
Inventors: Itoh, Takayuki;, Assignee: Asahi Kogakukogyo Kabushiki Kaisha (Tokyo, JP) |
Liquid crystal display including pixel electrode (S) designed to improve viewing characteristics
The liquid crystal display of this invention comprises a pair of transparent substrates disposed opposite each other sandwiching a liquid crystal layer therebetween, with a transparent electrode and a... Read More
Inventors: Hirata, Mitsuaki; Mizushima, Shigeaki; Watanabe, Noriko;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Multi-domain liquid crystal display device
In view of the above, it is an object of the present invention to provide a multi-domain liquid crystal display device capable of making more reliable the effects obtained by the technology disclosed ... Read More
Inventors: Suzuki, Teruaki; Suzuki, Masayoshi; Ishii, Toshiya; Hayama, Hiroshi; Kanoh, Hiroshi; Ikeda, Naoyasu; Takatori, Ken-Ichi; Nose, Takashi; Watanabe, Takahiko;, Assignee: NEC Corporation (Tokyo, JP) |
Telephoto zoom lens
Accordingly, it is an object of the invention to provide a telephoto zoom lens which is compact in structure and has good image forming performance throughout the variation range of magnification. It ... Read More
Inventors: Moriyama, Keiji;, Assignee: Nippon Kogaku K. K. (Tokyo, JP) |
Camera with a holographic indicator
It is an object of the present invention to provide a camera having a holographic indicator in which an object's image formed by an image forming optical system and a reconstructed image from a hologr... Read More
Inventors: Matsumoto, Kazuya; Matsumura, Susumu; Suzuki, Takashi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Mark indicating device for optical apparatus
What we claim is: 1. In an optical apparatus having objective lens means for forming an image of an object, a device for indicating a mark and view-finder means for viewing said image of object and sa... Read More
Inventors: Matsumura, Susumu; Suzuki, Takashi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Display element
The present invention aims at solving various problems which the conventional techniques in this field of art could not solve. In other words, the object of the present invention is to provide a metho... Read More
Inventors: Nishimura, Yukuo;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Thermochromic liquid crystal displays
We claim: 1. A thermochromic liquid crystal display device for indicating temperature changes by a change in observed color, said device comprising two thin flexible walls bonded at their edges to con... Read More
Inventors: Hilsum, Cyril; Kerr, Kyle E. N.; McDonnell, Damien G.;, Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government (London, GB2) |
Biorhythm indicator
OF A PREFERRED EMBODIMENT The present invention is particularly adapted to be used in a book, or booklet form, wherein the three biorhythmic cycles of physical, sensitive, and intellectual are plotte... Read More
Inventors: Rebsch, Donald L.;, Assignee: |
Method and apparatus for automatic generation of phase-adapted coherent secondary radiation in a non-linear crystal
It is therefore an object of this invention to provide a method of and a device for the automatic re-tuning of the phase adaption of the secondary radiation to a frequency-variable primary radiation. ... Read More
Inventors: Kuhl, Jurgen; Spitschan, Hans-Jorg;, Assignee: Carl Zeiss-Stiftung (Oberkochen, DT) |
Optical modulation device
The present invention provides an optical modulation device comprising an optical modulator for modulating an incoming light beam in accordance with an input modulation signal, an optical detector for... Read More
Inventors: Watanabe, Isao; Komurasaki, Satoshi;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Apparatus for limiting the output signal frequency band of an optical sensor
Accordingly, it is an object of the present invention to provide a signal processing apparatus for a digital camera having a solid-state imaging device that can eliminate the above-noted defects inher... Read More
Inventors: Asaida, Takashi;, Assignee: Sony Corporation (Tokyo, JP) |
Liquid crystal display panel and a process for the production thereof
OF THE PREFERRED EMBODIMENT Reference is first made to FIG. 1, wherein a first embodiment of a liquid crystal display panel in accordance with the present invention is depicted. A first substrate 1 i... Read More
Inventors: Hoshikawa, Jun;, Assignee: Seiko Epson Corporation (Tokyo, JP) |
Monolithic optical waveguide filters based on Fourier expansion
In accordance with the invention, a new type of monolithic optical waveguide filter comprises a chain of optical couplers of different effective lengths linked by different differential delays. The tr... Read More
Inventors: Henry, Charles H.; Laskowski, Edward J.; Li, Yuan P.; Mak, Cecilia Y.; Yaffe, Henry H.;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Split-beam Fourier filter
FIG. 1 shows the elements comprising one embodiment of a single stage split-beam Fourier filter. The filter is a flat plate of glass (1) with one edge (2) carefully polished perpendicular to the plat... Read More
Inventors: Betts, Ralph Alexander; Frisken, Steven James; Wong, Danny Wai-Boon;, Assignee: Phontonic Technologies Pty Ltd (New South Wales, AU) |
LCD 
