Chun-Hong
Chun-Hong Chen, Taichung City TW
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20130010375 | MINIATURIZED LENS ASSEMBLY - A miniaturized lens assembly includes a first lens, a stop, a second lens, a third lens, a fourth lens and a fifth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is made of plastic material, is a meniscus lens with negative refractive power, and includes a convex surface facing the object side. The second lens is made of plastic material and is a biconvex lens with positive refractive power. The third lens is made of glass material and is a biconvex lens with positive refractive power. The fourth lens is made of glass material, is a biconcave lens with negative refractive power, and is adhered to the third lens to form a compound lens. The fifth lens is made of plastic material, is provided with positive refractive power, and includes an aspheric surface. | 01-10-2013 |
Chun-Hong Chen, Taoyuan County TW
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20110013155 | PROJECTOR - A projector being operated at a working surface is provided. The projector includes a casing, a light source module and a transparent blocking member. The casing has a first surface and a second surface. The first surface is adjacent to the working surface and opposite to the second surface. The second surface has an opening. The light source module corresponding to the opening is disposed in the casing. The light source module can be assembled and disassembled through the opening. The transparent blocking member is disposed on the second surface and covers the opening. | 01-20-2011 |
Chun-Hong Chen, Taichung TW
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20110058259 | Scanner Lens - A scanner lens includes a first lens, a second lens, and a third lens. The first lens is provided with a first focal length. The first, second, and third lenses are sequentially arranged from an object end to an imaging end and are respectively provided with a plus diopter, a minus diopter, and a plus diopter. At least one of the first, second, and third lenses comprises an aspheric lens. The ratio of the first focal length to a system focal length of the scanner lens ranges between 1 and 2. | 03-10-2011 |
20110058262 | Mini Fixed Focus Lens Module - A mini fixed focus lens module is provided. From an object end to an image end thereof, the mini fixed focus lens module sequentially includes a first lens, a second lens, a third lens and a fourth lens. The first lens has a positive diopter, the second lens has a negative diopter, the third lens has a positive diopter, the fourth lens has a negative diopter, a combined diopter of the second and third lenses is positive, and the mini fixed focus lens module satisfies the following formula: | 03-10-2011 |
20110058263 | MICRO PRIME LENS SYSTEM - A micro prime lens system is provided. From an object side to an image side, the micro prime lens system sequentially includes a first lens, a second lens, a third lens and a fourth lens, which have a positive, a negative, a positive and a negative index of refraction, respectively. The third lens is an aspherical lens made of glass material and conforms to the following condition: 0.303-10-2011 | |
20110149416 | Imaging Lens - An imaging lens includes an aperture stop, and plastic-made meniscus first and second lens elements arranged in the given order from an object side to an image side. Each of the first and second lens elements has an object-side surface and an imaging-side surface facing toward the object side and the image side, respectively. Each of the object-side surface of the first lens element and the imaging-side surface of the second lens element is a convex surface. At least one of the object-side and imaging-side surfaces of each of the first and second lens elements is an aspherical surface. The imaging lens satisfies the optical conditions of: 0.106-23-2011 | |
20120162786 | MICRO-PROJECTION LENS - The present invention provides a micro-projection lens including first lens group, a second lens group, and a third lens group arranged in sequence along an optical axis from a screen side to a light modulator side. The first lens group has positive refractive power and includes at least an aspheric lens. The second lens group has negative refractive power and includes at least a glass tablet. The third lens group has positive refractive power and includes at least an aspheric lens. Therefore, the micro-projection lens of the present invention has a small size and high optical performance. | 06-28-2012 |
20120194917 | MINIATURE IMAGE PICKUP LENS - A miniature image pickup lens includes a first lens, a second lens, a third lens, an aperture, a fourth lens, and a fifth lens in sequence along an optical axis from an object side to an image side. The first lens is a meniscus lens with negative refractive power and has a convex side facing the object side. The first lens has at least an aspheric side. The second lens is a biconvex lens with positive refractive power. The third lens is a biconcave lens with negative refractive power. The fourth lens is a biconvex lens with positive refractive power and has at least an aspheric side. The fifth lens has a negative refractive power. | 08-02-2012 |
Chun-Hong Chen, Xinpu Township TW
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20140246751 | Integrated Circuit Using Deep Trench Through Silicon (DTS) - An embodiment radio frequency area of an integrated circuit includes a substrate having a first resistance, the substrate including an implant region, a buried oxide layer disposed over the substrate, an interface layer between the substrate and the buried oxide layer, the interface layer having a second resistance lower than the first resistance, a silicon layer disposed over the buried oxide layer, and an interlevel dielectric disposed in a deep trench, the deep trench extending through the silicon layer, the buried oxide layer, and the interface layer over the implant region. In an embodiment, the deep trench extends through a polysilicon layer disposed over the silicon layer. | 09-04-2014 |
Chun-Hong Lee, New Taipei City TW
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20140022682 | PACKAGED CHIP INTEGRATED WITH A SIGNAL ISOLATION TRANSFORMER AND A PROTECTIVE COMPONENT - The present invention is to provide a packaged chip having a protective component integrated with a signal isolation transformer, wherein the signal isolation transformer comprises a primary side and a secondary side, and the primary side includes an input port electrically connected to the signal input slot, and a primary side central tapped port, and the secondary side includes an output port electrically connected to the internal signal processing unit and a secondary side central tapped port. Using such structure, the chip has the functions of surge protection as well as noise treatment, and the problem that the conventional protective circuit occupying too much space is solved. | 01-23-2014 |
Chun-Hong Park, Daejeon KR
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20100071583 | STATIC BEARING CONVEYING APPARATUS HAVING MAGNETICALLY PRELOADING AND MOTIONAL ERROR CORRECTING FUNCTIONS - Disclosed is a static bearing conveying apparatus having magnetically preloading and motional error correcting functions. The apparatus comprises a guide having a guide surface formed on one side of the guide facing a table, magnetic preload units provided between the guide and the table to generate preload, and a motional error correcting control unit comprising a controller to control the magnetic preload units and a power amplifier to apply electric current according to a control signal from the controller. Each of the magnetic preload units comprises a permanent magnet, a core collinear with magnetic fluxes from the permanent magnet, an electromagnetic coil wound around the core, and a fixing bracket having the permanent magnet supported by the table. The apparatus is simplified in structure of the table and the overall guide, and reduces motional errors of the guide by correcting errors of a floating gap of the static bearings. | 03-25-2010 |
Chun-Hong Zhang, Lianyungang CN
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20130045251 | PHARMACEUTICAL COMPOSITION FOR IMPROVING SOLUBILITY OF PRASUGREL AND ITS PREPARATION METHOD - A pharmaceutical composition containing prasugrel and its pharmaceutically acceptable salts, and methods for preparing the same are disclosed. The pharmaceutical composition improves the dissolution rate of prasugrel and its salts at high pH by using solid dispersion technology, inclusion technology or adding surfactants. | 02-21-2013 |