US Fed News Service, Including US State News back issues from Thursday, September 27:
EDUCATIONAL PRESENTATIONS AT RIORDAN MANSION STATE HISTORIC PARK IN SEPTEMBER
Sep 27, 2007 ... The Arizona State Parks issued the following news release: Riordan Mansion State Historic Park will present educational presentations in September. On Saturday, September 22 at 7 p.m., as part of the Evening Slide Presentation Series, Historian Eric Berg will present "Rock ...
Indiana Inventors Develop Utility Meter Housing Arrangement
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Ronald C. Tate of Battleground, Ind., and Paul Meyers of Fishers, Ind., have developed an utility meter housing arrangement. According to the U.S. Patent & Trademark Office: "An arrangement includes a liquid crystal display having a length, a width and a ...
Ohio Inventor Develops Vehicle Automatic Transmission Brake
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Carl Rossler of Girard, Ohio, has developed a vehicle automatic transmission brake. According to the U.S. Patent & Trademark Office, the invention relates to an "automatic transmission brake adapter for use in high performance vehicle drag racing. In ...
Arizona Inventor Develops Multiple Faced Golf Club Head
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- David E. Wright of Glendale, Ariz., has developed a multiple faced golf club head According to the U.S. Patent & Trademark Office: "A golf club head has a cavity for receiving a face insert. A first face insert, which is disposed in the cavity, has a ...
Indiana Inventor Develops Vehicle Speed Change Device
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Thomas F. Troester of Granger, Ind., has developed a speed change device. According to the U.S. Patent & Trademark Office, the invention relates to a "constant mesh gear driven continuously variable transmission including a minimum of two cones in mesh ...
West Virginia Inventor Develops Game Ball Sports Training Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Donald L. DeVall of Morgantown, W. Va, has developed a game ball sports training apparatus. According to the U.S. Patent & Trademark Office: "A game ball is instrumented with a transducer to measure the impact forces on the ball and/or the decelerations ...
South Korean Inventors Develop Liquid Crystal Display Device
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Ki Ryoung Jeong of Kyongsangbuk-do, South Korea, and Do Yune Kim of Kumi-shi, South Korea, have developed a liquid crystal display (LCD) device. According to the U.S. Patent & Trademark Office: "An LCD device includes a joining structure for coupling a ...
South Korean Inventors Develop Battery Pack Locking Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Bong-Do Kim and Jung-Chul Lee, both of Suwon-si, South Korea, and In-Han Kang of Seoul, South Korea, have developed a battery pack locking apparatus for mobile communication terminals. An abstract of the invention, released by the U.S. Patent & Trademark ...
California Inventors Develop Wood-Type Golf Club Head
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- D. Clayton Evans of San Marcos, Calif., Evan D. Gibbs of Oceanside, Calif., and Matthew J. Erickson of San Diego, have developed a multiple material golf club head. According to the U.S. Patent & Trademark Office: "A wood-type golf club head preferably ...
Japanese Inventors Develop Automobile Automatic Transmission Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Takashi Imanishi and Yuji Shimomura, both of Kanagawa, Japan, have developed an automobile automatic transmission apparatus. An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "A toroidal-type continuously variable ...
California Inventors Develop Golf Club Head
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Robert W. Vokey, Peter J. Gilbert and M. Scott Burnett, all from Carlsbad, Calif., Christopher R. Kays of San Marcos, Calif., have developed a golf club head. According to the U.S. Patent & Trademark Office: "The present invention is directed to a golf ...
Mexican Inventor Develops High Voltage Single-Phase Control System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Jose Manuel Flores-Jauregui of Estado, Mexico, has developed a protection system of high voltage with dry insulation. According to the U.S. Patent & Trademark Office: "A protection system and single-phase control of high voltage with close loop dry ...
German Inventors Develop Motor Vehicle Automatic Transmission
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Peter Tiesler of Meckenbeuren, Germany, and Gerhard Gumpoltsberger of Friedrichshafen, Germany, have developed a motor vehicle automatic transmission. According to the U.S. Patent & Trademark Office, the invention relates to a "transmission with seven ...
German Inventors Develop Automotive Vehicle Belt Tensioner
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Horst Schonmeier of Gelnhausen, Germany, and Michael Fischer of Fellen, Germany, have developed an automotive vehicle belt tensioner. According to the U.S. Patent & Trademark Office: "A belt tensioner with a retainer can be brought into contact with a ...
Japanese Inventors Develop Golf Ball
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Hideo Watanabe, Junji Hayashi and Rinya Takesue, all from Chichibu, Japan, have developed a golf ball. According to the U.S. Patent & Trademark Office, the invention relates to a "golf ball comprising a core having a Deflection amount of at least 3.0 ...
Japanese Inventors Develop Niobium Powder for Capacitor
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Masaaki Nishioka, Kazumi Naito and Isao Kabe, all from Chiba, Japan, have developed a niobium powder for capacitors. According to the U.S. Patent & Trademark Office, the invention relates to a "niobium powder for capacitors, wherein the chromium content ...
Japanese Inventors Develop Vehicle Speed Variable Transmission System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Sonobe Hiroyuki, Shiotsu Isamu and Hirayama Takayoshi, all from Nagoya, Japan, have developed vehicle speed variable transmission system. According to the U.S. Patent & Trademark Office: "Fine adjustment of the rotation speed ratio or intentional control ...
California Inventor Develops Golf Club Head
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Dean L. Knuth of Bonita, Calif., has developed a golf club head. According to the U.S. Patent & Trademark Office: "In one aspect, the invention provides a face for a golf club head. In one embodiment, the face includes an upper portion and a lower ...
California Inventors Develop Surface Display System Mounting Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Ken North of San Carlos, Calif., and Jeffrey Thomas Haller of South San Francisco, Calif., have developed an apparatus for mounting a display system to a front side of a surface. According to the U.S. Patent & Trademark Office, the invention relates to a ...
Japanese Inventor Develops Golf Club Head
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Yasunori Imamoto of Tokyo has developed a golf club head. According to the U.S. Patent & Trademark Office, the invention aims to "provide a golf club head in which a sole portion has a high rigidity. A weight material is mounted near a central part of the ...
Michigan Inventors Develop Internal Combustion Engine Variable Transmission System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Madhusudan Raghavan of West Bloomfield, Mich., and Norman K. Bucknor of Troy, Mich., have developed an internal combustion engine variable transmission system. According to the U.S. Patent & Trademark Office: "The electrically variable transmission family ...
South Carolina Inventors Develop Hermetically Sealed Electrolytic Capacitor
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Samuel G. Parler Jr. of Clemson, S.C., and Philip A. Knight of Greer, S.C., have developed a hermetically sealed electrolytic capacitor. According to the U.S. Patent & Trademark Office: "A hermetically sealed, electrolytic capacitor is provided having a ...
Nevada Inventors Develop Gaming Device
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Karen M. Cregan, Paulina Rodgers and Anthony J. Baerlocher, all from Reno, Nev., have developed a gaming device. According to the U.S. Patent & Trademark Office: "A gaming device having a bonus round with multiple selection groups is provided. The gaming ...
Taiwanese Inventors Develop Abrasive Vehicle Wheel
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Yung-yung Sun of Dali, Taiwan, and Chuan-ching Cheng of Taichung, Taiwan, have developed an abrasive vehicle wheel. An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "An abrasive wheel with improved structure comprises: ...
Texas Inventors Develop Fast Pattern Processor
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- David A. Brown, Sean W. McGee and David P. Sonnier, all from Austin, Texas, Victor A. Bennett of Rockwall, Texas, and Leslie Zsohar of Round Rock, Texas, have developed a fast pattern processor. According to the U.S. Patent & Trademark Office, the ...
Minnesota Inventor Develops Golf Training Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Steven W. Lundquist of Dakota, Minn., has developed a golf training apparatus. According to the U.S. Patent & Trademark Office: "A golf practice aid includes two parallel rails separated by crossed spacers. The distance of separation is sufficient to ...
Ohio Inventors Develop Glass Sheet Abrading System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Timothy B. McGlinchy of Twinsburg, Ohio, Stephen M. Bills of Cuyahoga Falls, Ohio, and Paul A. Hofener of Parma, Ohio, have developed a glass sheet abrading system. According to the U.S. Patent & Trademark Office, the invention relates to a "system for ...
California Inventor Develops Individual Authenticating Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Timothy F. Umbreit of Studio City, Calif., has developed a system for authenticating an individual with social security number. According to the U.S. Patent & Trademark Office, the invention relates to a "system and method for an access code issuer to ...
German Inventor Develops Golf Training Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Ian Peek of Sigmaringen, Germany has developed a training apparatus for practicing golf. According to the U.S. Patent & Trademark Office: "A golf training apparatus for practicing straight hits has an upright rack, a rod provided on the rack and aligned ...
Idaho Inventors Develop Chemical-Mechanical Polishing Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Dinesh Chopra of Boise, Idaho, and Scott E. Moore of Meridian, Idaho, have developed a chemical-mechanical polishing apparatus. According to the U.S. Patent & Trademark Office: "A chemical-mechanical polishing apparatus is provided with a downstream ...
California Inventors Develop Tape Drive Head Element Protection Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- John Anthony Hamming and Robert Ralph Heinze, both of San Clemente, Calif., and Umang Mehta of Irvine, Calif., have developed a method for protecting head elements of a tape drive. According to the U.S. Patent & Trademark Office: "A method and apparatus ...
California Inventors Develop Iron-Type Golf Club Set
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Peter J. Gilbert, Bruce R. Pettibone and Michael Scott Burnett, all from Carlsbad, Calif., Christopher R. Kays of San Marcos, Calif., and Tomas Diaz of Winchester, Calif., have developed an iron-type golf club set. According to the U.S. Patent & Trademark ...
Illinois Inventor Develops Vehicle Exhaust Hose
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Robert Frink of Rock Island, Ill., has developed a vehicle exhaust hose. According to the U.S. Patent & Trademark Office, the invention relates to an "improved de-coupling device for vehicle exhaust systems specifically emergency vehicle exhaust systems ....
Oklahoma Inventors Develop Electromechanical Data Handling Device
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Nathaniel Boyd Wilson of Edmond, Okla., and Roy Lynn Wood of Yukon, Okla., have developed an electromechanical data handling device. According to the U.S. Patent & Trademark Office: "In a data handling system having a radially-dependent track incongruity ...
Georgia Inventors Develop Cable Modem System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Fred A Bunn of Irvine, Ga., and Thomas L Johnson of Gainesville, Ga., have developed a data compression dictionary generating method. According to the U.S. Patent & Trademark Office: "A cable modem system and method are provided for using a data ...
Japanese Inventors Develop Race Game Device
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Yuji Nagao, Takanori Akiyama, Naoki Kawajiri, Seiji Hayashi, Susumu Murata, Koji Yamaguchi, Yuji Ikeda, Mitsuru Todaiji, Yasuhiro Takagi, Shunichi Nakamura, Keiji Yano, Muneoki Kamata, Shingo Kataoka and Koji Osuka, all from Tokyo, have developed a race game ...
California Inventors Develop Write Data Fan-Out Circuitry
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Quang Cao Phung and Kent Wayne Wendorf, both of San Jose, Calif., and John Sandoval of Santa Clara, Calif., have developed a system of write data fan-out circuitry. According to the U.S. Patent & Trademark Office, the invention relates to a "system and ...
New Jersey Inventors Develop Spherical Component Formation Process
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Steve E. Hoffman of Englewood, N.J., has developed a spherical component formation process. According to the U.S. Patent & Trademark Office: "A process is disclosed for forming a spherical component using a centrifugal processing machine. The process ...
Swedish Inventor Develops Input-output Device Driver Loading Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Mikael Ytterstrom of Jarfalla, Sweden, has developed an input/output (I/O) device driver loading method. According to the U.S. Patent & Trademark Office: "Methods, peripheral devices, and computer program products are provided for loading I/O device ...
Japanese Inventors Develop Zoom Len System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Hiroshi Yamamoto and Keiko Mizuguchi, both of Kawasaki, Japan, have developed a compact zoom lens system. According to the U.S. Patent & Trademark Office, the invention relates to a "providing a compact zoom lens system having a high zoom ratio. The zoom ...
California, Wisconsin Inventors Develop Computing Device Resource Sharing System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Aron L. Wong of Mountain View, Calif., Dhawal Kumar of Sunnyvale, Calif., Michael A. Ogrinc of San Francisco, and Mark S. Krueger of New Berlin, Wis., have developed a method for hardware assisted resource sharing. According to the U.S. Patent & Trademark ...
California Inventors Develop Self Servo-Write Process Dynamic Stroke Optimizing Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Gary W. Calfee of Santa Clara, Calif., and Richard M. Ehrlich of Saratoga, Calif., have developed a method for optimizing dynamic stroke in the self servo-write process. According to the U.S. Patent & Trademark Office: "Methods in accordance with ...
Swiss Inventors Develop Magnification Device for Timepiece
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Yvan Ferri of Lausanne, Switzerland, and Pascal Winkler of St.-Blaise, Switzerland, have developed a magnification device for timepiece. According to the U.S. Patent & Trademark Office: "The device consists in compensating for the distortion of the ...
California Inventors Develop Mobile Terminal Synchronizing Component
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Jonathan Lee Hanmann and Kenneth J. Smith, both of Corona, Calif., and Anil Sareen of Mission Viejo, Calif., have developed a mobile terminal synchronizing component. According to the U.S. Patent & Trademark Office: "A method of operating a mobile ...
California Inventor Develops Multiple Processor Interconnecting Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Stephen Clark Purcell of Mountain View, Calif., has developed a method of interconnecting multiple processors. According to the U.S. Patent & Trademark Office: "A method, apparatus, and computer program product includes serially receiving, from a source, ...
California Inventors Develop Magnetic Recording Hard Disk Drive
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Lee DuyLy Nguyentran, Bond-Yen Ting and Phong Van Vu, all from San Jose, Calif., and Peter Kuikong Ho of Morgan Hill, Calif., have developed a magnetic recording hard disk drive (HDD). According to the U.S. Patent & Trademark Office: "A magnetic recording ...
Pennsylvania Inventor Develops Transparent Substrate Polishing Pad
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Alan H. Saikin of Landenberg, Pa., has developed a transparent substrate polishing pad. According to the U.S. Patent & Trademark Office: "The present invention relates to a polishing pad useful for planarizing a substrate in a chemical-mechanical ...
South Korean Inventors Develop Micromirror Array Lens with Focal Length Gradient
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Gyoung Il Cho and Cheong Soo Seo, both of Seoul, South Korea, and Sang Hyune Baek of Suwon, South Korea, have developed micromirror array lens with focal length gradient. According to the U.S. Patent & Trademark Office: "An optical system includes a ...
Washington Inventors Develop Dynamic Web Page Address Converter
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Joshua Allen of Kirkland, Wash., and Jeffrey L. Ranck of Sammamish, Wash., have developed a web address converter. According to the U.S. Patent & Trademark Office: "Herein is described an implementation of a Web address converter, which helps dynamic Web ...
California Inventor Develops Dynamic Network Address Configuration System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Kenneth Araujo of Sunnyvale, Calif., has developed a dynamic network address configuration system. According to the U.S. Patent & Trademark Office: "In one embodiment, the present invention is comprised of a first device which is adapted to communicate ...
Maine Inventors Develop Integral Screen Magnifier
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- David Compton of Westbrook, Maine, has developed an integral screen magnifier. According to the U.S. Patent & Trademark Office, the invention relates to an "integral screen magnifier for the display of a portable electronic device. The magnifier either is ...
Japanese Inventors Develop Holographic Recording Medium
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Takuya Tsukagoshi of Sagamihara, Japan, and Jiro Yoshinari of Tokyo, have developed a holographic recording medium. According to the U.S. Patent & Trademark Office: "Provided are a holographic recording medium, a method for adding address information to ...
New York, Florida Inventors Develop Three-Dimensional Magnetic Structural Component
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Charles J. Kowalski of Ridgewood, N.J., Lawrence I. Rosen of Mendham, N.J., and Jeffrey H. Rosen of Aventura, Fla., have developed a three-dimensional magnetic structural component. According to the U.S. Patent & Trademark Office, the invention relates to ...
U.S., Danish Inventors Develop Mould-Making Apparatus
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Huseyin Erol Ergin of Naperville, Ill., and Henning Rahlf Nielsen of Ballerup, Denmark, have developed a mould-making apparatus. According to the U.S. Patent & Trademark Office: "In a method for pouring several moulds in a mould-string plant in the ...
Michigan Inventors Develop Mirror Reflective Element Assembly
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Ian A. McCabe, Hamid Habibi, Desaraju V. Varaprasad and Niall R. Lynam, all from Holland, Mich., have developed a mirror reflective element assembly. According to the U.S. Patent & Trademark Office: "A mirror assembly for a vehicle includes a mirror ...
German Inventor Develops Inspection Microscope
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Frank Eisenkramer of Biebertal, Germany, has developed an inspection microscope for several wavelength ranges. According to the U.S. Patent & Trademark Office: "The application relates to an inspection microscope for a plurality of wavelength regions ...
Japanese Inventors Develop Flat Display Apparatus Manufacturing Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Masahiro Yokota and Shigeo Takenaka, both of Fukaya, Japan, have developed a flat display panel manufacturing method. According to the U.S. Patent & Trademark Office: "In a method of a manufacturing flat display apparatuses by working flat substrates, a ...
Japanese Inventor Develops Electro-Optical Device
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Koichi Uematsu of Shimosuwa-cho, Japan, has developed an electro-optical device. According to the U.S. Patent & Trademark Office: "An electro-optical device includes an electro-optical panel which has a plurality of electro-optical elements whose ...
French Inventor Develops Internet Subscriber Management System
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Gilles Lebouill of Paris Cedex, France, has developed an Internet subscriber management system. According to the U.S. Patent & Trademark Office: "A subscriber information management system for use with a broadcast system, and a method of managing ...
Illinois Inventors Develop Digital Data Transmission Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Michael Freed of Arlington Heights, Ill., and Satish Amara of Mount Prospect, Ill., have developed a method for computer network digital data transmission. An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "Methods and a ...
Japanese Inventors Develop Optical Instrument
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Yoshiki Shinta and Ken Kawamata, both of Tokyo, Yorio Wada of Hanno, Japan, and Nobuyoshi Toyohara of Sagamihara, Japan, have developed an optical filter. According to the U.S. Patent & Trademark Office: "In an optical filter, a thin film is formed by ...
Taiwanese Inventors Develop Fan Wire-Fixing Device
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Alex Horng and Mei-Chih Fang, both of Kaohsiung, Taiwan, have developed a fan wire-fixing device. According to the U.S. Patent & Trademark Office: "A wire-fixing device is provided for a fan including a casing having a wire groove defined in an outer ...
Illinois Inventors Develop Electrical Connector
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- David L. Brunker and Phillip J. Dambach, both of Naperville, Ill., and Victor Zaderej of St. Charles, Ill., have developed an electrical connector. According to the U.S. Patent & Trademark Office, the invention relates to a "pedestal connector that ...
Japanese Inventor Develops Optical Apparatus Scanning Method
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Manabu Kato of Tochigi, Japan, has developed a method of scanning optical apparatus. According to the U.S. Patent & Trademark Office: "An object of the present invention is to prevent deterioration of image quality caused by ghost light generated from ...
Japanese Inventors Develop Zoom Lens
Sep 27, 2007 ... ALEXANDRIA, Va., Sept. 27 -- Taro Kushida and Nobumasa Kambayashi, both of Suwa, Japan, and Shinji Miyahara of Matsumoto, Japan, have developed a zoom lens. According to the U.S. Patent & Trademark Office, the invention aims to "obtain a high imaging performance even for a relatively ...