Patent application number | Description | Published |
20080224938 | Antenna Assembly and Method For Manufacturing the Same - In an antenna apparatus, at least one choke in the form of a groove is arranged between a transmitting antenna and a receiving antenna. The choke functions to suppress the mutual electromagnetic coupling between the transmitting antenna and the receiving antenna. The depth of the choke is in a range from 0.15, to less than 0.225λ where λ is a wavelength of a carrier wave. | 09-18-2008 |
20080266195 | Waveguide Slot Array Antenna Assembly - To suppress a standing wave ratio within a waveguide to a lower value, and suppresses a grating lobe, the present invention provides a waveguide slot array antenna device, including a plurality of rectangular slots ( | 10-30-2008 |
20090105909 | Rotational angle detecting device - In a steering angle detecting device for a steering shaft, gear tooth omission abnormality is detected with high accuracy without causing an increase in costs. A speed increasing side detecting gear and a speed reduction side detecting gear are rotated in conjunction with a rotor gear integral with a steering shaft, operation processing of sampling data from MR sensors | 04-23-2009 |
20090219240 | LIQUID CRYSTAL DISPLAY DRIVER DEVICE AND LIQUID CRYSTAL DISPLAY SYSTEM - The present invention is directed to reduce the size of a liquid crystal driver (semiconductor integrated circuit for driving liquid crystal) having therein a D/A converting circuit, converting digital image data to analog gradation voltage, and outputting a voltage to be applied to a signal line (source line) of a color liquid crystal panel. Output amplifiers of the final stage for outputting an image signal converted to gradation voltage are divided into a plurality of groups. D/A converting circuits for converting image data to gradation voltage are provided as circuits common to the groups. While switching the group, the D/A converting circuit is operated in a time sharing manner. The output amplifiers in the final stage related to image signals of the same color are selected and grouped. A selector function is provided between the D/A converting circuit and the output amplifier, and an image signal converted to gradation voltage by the D/A converting circuit is supplied to a desired hold circuit. | 09-03-2009 |
20090306328 | COPOLYMER FOR SEMICONDUCTOR LITHOGRAPHY AND PROCESS FOR PRODUCING THE SAME - To provide a copolymer for semiconductor lithography employed for forming a resist film as well as thin films such as an anti-reflection film, a gap-filling film, a top coating film, etc. which are formed on or under a resist film, these films being employed in semiconductor lithography, wherein the copolymer has excellent solubility in a solution of a thin film-forming composition and prevents generation of microparticles (e.g., microgel) and pattern defects, and to provide a method for producing the copolymer reliably on an industrial scale. | 12-10-2009 |
20100001916 | COAXIAL LINE SLOT ARRAY ANTENNA AND METHOD FOR MANUFACTURING THE SAME - A planar antenna including slot arrays configured to set a narrow interval between elements so as to perform beam scanning in a wide angle range while keeping low loss and low profile. The planar antenna includes: a coaxial line including an inner conductor, an outer conductor provided so as to surround a circumference of the inner conductor, and both ends short-circuited; a feeding mechanism for exciting the coaxial line; and a plurality of slots formed on the outer conductor with a certain angle with respect to a tube direction of the coaxial line and having approximately a resonance length. | 01-07-2010 |
20100048848 | PROCESS FOR PRODUCING POLYMER FOR SEMICONDUCTOR LITHOGRAPHY - To provide a method for producing a polymer for semiconductor lithography which can attain high uniformity in the polymer from lot to lot. | 02-25-2010 |
20100176894 | TRANSMISSION LINE CONVERTER - A transmission line converter in which a rectangular waveguide provided under a transmission line may be reduced in size. The transmission line converter includes: a rectangular waveguide; a slot provided in a wall surface of the rectangular waveguide; and a transmission line which extends in a direction of a tube axis of the rectangular waveguide and includes signal conductors and a ground conductor, the slot is provided in a narrower wall surface of the rectangular waveguide and has a shape in which a central portion of the slot includes an oblique portion to the tube axis of the rectangular waveguide and at least one of both end portions of the oblique portion includes a portion parallel to the tube axis of the rectangular waveguide, and the wall surface of the rectangular waveguide in which the slot is provided is a part of the ground conductor. | 07-15-2010 |
20100321265 | WAVEGUIDE SLOT ARRAY ANTENNA APPARATUS - Provided is a waveguide slot array antenna apparatus having a polarized wave plane in a direction oblique to a tube shaft of a waveguide, in which an excitation distribution of opening portions for radiating or receiving electromagnetic waves is appropriately attained. The waveguide slot array antenna apparatus includes a waveguide slot array antenna formed of a rectangular antenna waveguide which has a rectangular section orthogonal to a tube axis, in which: the rectangular antenna waveguide has one end side thereof in a tube axial direction serving as a feeding port and another end side short-circuited; the antenna waveguide has a plurality of slender rectangular opening portions for radiating or receiving an electromagnetic wave arranged at intervals of about λg/2 (λg is an intra-tube wavelength) along the tube axis on a first wide plane of a pair of wide planes that are parallel to the tube axis; the plurality of slender rectangular opening portions each have the same predetermined angle with respect to a center line parallel to the tube axis of the first wide plane; the opening portions adjacent to one another are alternately arranged at opposite positions with respect to the center line; the opening portions located on one side with respect to the center line of the first wide plane each have a length longer than about λf/2 (λf is a free space wavelength), and the opening portions located on another side each have a length shorter than about λf/2. | 12-23-2010 |