Patent application number | Description | Published |
20100172040 | FOCUS MODULE AND METHOD FOR MANUFACTURING SAME - The present disclosure provides a focus module including a substrate, a holder, at lease one second magnet, a frame and an elastic element. The substrate includes at least one first magnet and an aperture. The frame is fixed on the substrate and defining a hole receiving the holder. The second magnet is fixed on the holder. At least one of the first magnet and the second magnet is an electromagnet. The elastic element includes a first end, a second end, and at least one U-shape bend connected the first and second ends. The first end is fixed on the side surface of the holder. The second end is fixed on the inner surface of the hole. The two sides of the U-shape bend are parallel to the side surface of the holder and the inner surface of the hole. The present invention also provides a method for manufacturing the focus module. | 07-08-2010 |
20120099207 | WIDE-ANGLE RELAY LENS AND IMAGING SYSTEM HAVING SAME - A relay lens is used for an imaging system having a main lens. The main lens has a pupil plane. The relay lens, in the order from the subject side to the image side thereof, includes a first lens of negative refractive power, and a second lens of positive refractive power. The first lens has a first principle plane and a second principle plane. The second lens has a third principle plane and a fourth principle plane. The relay lens system satisfies the following formulas: 0.53<|ƒ1/ƒ2|<0.57; 1.54<ν1/ν2<3.11; 0.2204-26-2012 | |
20120099208 | ZOOM LENS SYSTEM - A zoom lens system is used for imaging an object to an image plane. The system, in the order from the object side to the image plane, includes a first lens group with positive refraction power, a second lens group with negative refraction power, a third lens group with positive refraction power, an aperture stop, a fourth lens group with positive refraction power, and a fifth lens group with negative refraction power. The fifth lens group comprises a lens of negative refraction power and a lens of positive refraction power. The system satisfies the formulas: −0.1804-26-2012 | |
20120099209 | ZOOM LENS SYSTEM - A zoom lens system includes, in the order from the object side to the image side thereof, a first lens group of positive refraction power, a second lens group of negative refraction power, a third lens group of positive refraction power, a fourth lens of positive refraction power, and an imaging plane. The first lens group and the third lens group are immovably mounted. The second lens group and the fourth lens group are movably mounted. The zoom lens system satisfies the formulae: 504-26-2012 | |
20120099210 | PROJECTION LENS SYSTEM WITH HIGH RESOLUTION AND COMPACT SIZE - The present disclosure relates to a projection lens system for a projector having a spatial light modulator (SLM). The projection lens system includes, in order from the magnified end to the minified end thereof, a first lens group with negative refraction power, a second lens group with positive refraction power, and a third lens group with positive refraction power. The projection lens system satisfies the following formulas: 304-26-2012 | |
20120099211 | SUPER-WIDE-ANGLE LENS SYSTEM AND IMAGING MODULE HAVING SAME - A super-wide-angle lens system for imaging an object on an imaging surface, includes a first lens group with negative refraction power and a second lens group with positive refraction power. The first lens group includes a first spherical lens with negative refraction power, a second spherical lens with negative refraction power, and a third spherical lens with positive refraction power. The first lens has a first surface facing the object side of the first lens group. The second lens group includes a fourth spherical lens with positive refraction power and a fifth spherical lens with negative refraction power. The system satisfies the formulas: 0.0104-26-2012 | |
20120105972 | ZOOM PROJECTION LENS - A zoom projection lens includes, in the order from the magnification side to the minification side thereof, a first lens group with negative refraction power, a second lens group with positive refraction power, a third lens group with positive refraction power, a fourth lens group with negative refraction power, and a fifth lens group with positive refraction power. The first lens group, the second lens group, the third lens group, and the fourth lens group are movably positioned. The fifth lens group is immovably positioned. The zoom projection lens satisfying the formulae: 1.0<|F1/Fw|<1.3; 2.5<|F3/Fw|<2.7; 2.81<|F5/Fw|<2.83; and 0.21<|F2/F4|<0.24, wherein F1-F5 respectively represent the effective focal lengths of the first, second, third, fourth, and fifth lens groups, Fw represents the shortest effective focal length of the zoom projection lens. | 05-03-2012 |
20120105973 | ZOOM LENS SYSTEM - A zoom lens system includes, from the object-side to the image-side thereof, a first lens group, a second lens group, and a third lens group. The first lens group includes a first lens and a second lens. The second lens includes a third lens, a fourth lens, and a fifth lens. The fourth lens and the fifth lens are attached to each other. The third lens group includes a sixth lens. The zoom lens system satisfies the following conditions: 0.3505-03-2012 | |
20120105975 | ZOOM LENS SYSTEM HAVING HIGH ZOOM RATIO AND SHORT OVERALL LENGTH - A zoom lens system includes, in order from the subject side to the image side thereof, a first lens group of positive refractive power, a second lends group of negative refractive power, a third lens group of positive refractive power, and a fourth lens group of positive refractive power. The zoom lens system satisfies the following formulas: −0.1505-03-2012 | |
20120105978 | PROJECTION LENS SYSTEM WITH HIGH RESOLUTION AND COMPACT SIZE - A projection lens system includes, from the magnified side to the reduced side thereof, a first lens group having negative refractive power, a second lens group having positive refractive power, a third lens group having positive refractive power, and a field lens. The projection lens system satisfies the following conditions: 2.905-03-2012 | |
20120105979 | TRANSFER LENS AND WIDE-ANGLE LENS SYSTEM USING SAME - A lens system includes a main lens and a transfer lens aligned with the main lens. The optical axis of the main lens is superposed on that of the transfer lens. The transfer lens includes, in order from the object side to the image side thereof, a first lens having negative refraction power, and a second lens having positive refraction power. The lens system satisfies the following conditions: 0.4<|f1/f2|<0.8; 205-03-2012 | |
20120105980 | 360 DEGREE VIEWING ANGLE LENS UNIT AND OPTICAL LENS SYSTEM USING SAME - A 360 degree viewing angle lens unit, from the object side to the image side thereof, includes a 360 degree viewing angle lens and a relay lens. The viewing angle lens includes an annular incident surface, a first reflective surface, a second reflective surface, and an emitting surface. The annular incident surface has a positive radius of curvature and symmetrically concentric around an optical axis of the lens unit. The first reflective surface has a positive radius of curvature and is symmetrically concentric around the optical axis. The second reflective surface has a negative radius of curvature, and is coaxial with the incident surface. The emitting surface has a positive radius of curvature and is coaxial with the first reflective surface. The relay lens has a positive refractive power and is aligned with the emitting surface. The relay lens is configured for condensing image light output from the emitting surface. | 05-03-2012 |
20120105981 | WIDE-ANGLE LENS SYSTEM HAVING SHORT OVERALL LENGTH - A lens system includes, in order from the subject side to the image side of thereof, a first lens group of negative refractive power, a second lends group of positive refractive power, and an image plane. The first lens group includes a first spherical lens, a second spherical lens, and a third spherical lens arranged in this order from the subject side to the image side of the lens system. The first spherical lens includes a first subject surface and a first image surface. The lens system satisfies the following formula: 8.905-03-2012 | |
20120113526 | ZOOM PROJECTION LENS SYSTEM - A zoom projection lens system, in order from the magnification side to the minification side thereof, includes a first lens group with negative refraction power, a second lens group with positive refraction power, a third lens group with positive refraction power, a fourth lens group with negative refraction power; and a fifth lens group with positive refraction power. The first, second, third, fourth lens group are movably positioned, and the fifth lens group is immovably positioned. The first lens group includes a first aspherical plastic lens. The second lens group includes a second aspherical plastic lens. The fourth lens group includes a third aspherical plastic lens. The system satisfies the formula: −2.4≦F | 05-10-2012 |
20120127583 | IMAGE LENS SYSTEM - An image lens system includes a first lens group that includes a first and a second lens, a movable second lens group that includes a third and a fourth lens, and a third lens group that includes a fifth lens. The image lens system satisfies the formulas: 2.1≦Lw/(a*Y)<2.5; 1.9≦|Fp|/F | 05-24-2012 |
20120127585 | ZOOM LENS SYSTEM HAVING HIGH ZOOM RATIO AND SHORT OVERALL LENGTH - A zoom lens system includes a first lens group with positive refractive power, a second lens group with negative refractive power, a third lens group with positive refractive power, and a fourth lens group with positive refractive power. The lens groups can move along the optical axis of the zoom lens system. The zoom lens system satisfies the formula: 0.15<|L | 05-24-2012 |
20120169839 | WIDE-ANGLE ZOOM LENS AND CAMERA MODULE USING SAME - A wide-angle zoom lens includes a first lens group with positive refraction power, a second lens group with negative refraction power, a third lens group with positive refraction power, and a fourth lens group with positive refraction power. The first lens group, the second lens group, the third lens group, and the fourth lens group move along an optical axis of the zoom lens in focusing. The wide-angle zoom lens satisfies the formulas: 1.607-05-2012 | |
20120182626 | ZOOM PROJECTION LENS SYSTEM - A zoom projection lens system includes a first lens group with negative refraction power and a second lens group with positive refraction power. The first lens group includes a first lens with negative refraction power. The second lens group includes a second lens with positive refraction power, a third lens with positive refraction power, a fourth lens with negative refraction power, and a fifth lens with positive refraction power. The zoom projection lens system satisfies the following formulas: 1.9<|F1/Fw|<2.1, 0.5<|f4/Fw|<0.8, 0.95<|f5/Fw|<1.2, where “F1”, “f4” and “f5” are respectively the effective focal lengths of the first lens group, the fourth lens and the fifth lens, “Fw” is the effective focal lengths of the zoom projection lens system in the wide angle state. | 07-19-2012 |
20120314303 | PROJECTION LENS - A projection lens includes, in order from the magnification end to the minimization end thereof: a first lens group of a negative refractive power; and a second lens group of a positive refractive power. The projection lens satisfies the formula: 0.06112-13-2012 | |
20130088787 | ZOOM LENS AND IMAGING DEVICE USING SAME - Provided is a zoom lens for imaging an object on an imaging surface. The zoom lens includes, in the order from an object side to an image side thereof, a first lens group with positive refraction power, a second lens group with negative refraction power, a third lens group with positive refraction power, and a fourth lens group with positive refraction power. The first lens group includes a first surface. The zoom lens satisfies the formula: 0.15<|L3|/Lt<0.25, where L3 is a distance of the movement of the third lens group along an optical axis of the zoom lens when the zoom lens is switched between a wide-angle state and a telephoto state, and Lt is a distance from the first surface to the imaging surface. | 04-11-2013 |
20130094100 | LENS SYSTEM - A lens system with positive refraction power, in order from the object-side to the image-side, includes a first lens group with negative refraction power and a second lens group with positive refraction power. The first lens group includes a first lens with negative refraction power, a second lens with positive refraction power, and a third lens with positive refraction power. The second lens group includes a fourth lens with negative refraction power, a fifth lens, and a sixth lens. The lens system satisfies the following condition: 504-18-2013 | |
20130100541 | LENS SYSTEM WITH REDUCED LENGTH AND HIGH RESOLUTION - A lens system includes, in this order from the object side to the image side of the lens system, a first lens group and a second lens group. The first lens group includes, in this order from the object side to the image side of the lens system, a first lens of negative refractive power and a second lens of positive refractive power. The second lens group includes, in this order from the object side to the image side of the lens system, a third lens of negative refractive power, a fourth lens positive refractive power, and a fifth lens of negative or positive refractive power. The lens system satisfies the following condition formula: 0.304-25-2013 | |
20130100544 | PROJECTION LENS SYSTEM WITH HIGH RESOLUTION AND COMPACT SIZE - A projection lens system includes, in order from the magnified side to the reduced side thereof, a first lens group with negative refractive power, a second lens group with a positive refracting power, and a spatial light modulator. The projection lens system satisfies the following condition: 3.47804-25-2013 | |
20130107375 | IMAGE LENS WITH LOW CHROMATIC ABERRATION AND HIGH RESOLUTION | 05-02-2013 |
20130135752 | ZOOM LENS SYSTEM - A zoom lens system includes a first lens group of negative refractive power, a second lens group of positive refractive power and a third lens group of positive refractive power. The zoom lens system satisfies the following condition formulas: 0.78<|f | 05-30-2013 |
20130141804 | PROJECTION LENS SYSTEM WITH LONG BACK FOCAL LENGTH - A projection lens system, in the order from a magnified side to a reduced side, includes a first lens group with negative refraction power and a second lens group with positive refraction power. The projection lens system satisfies the formulas: −1.5506-06-2013 | |
20130148210 | PROJECTION LENS SYSTEM - A projection lens system includes, in order from a screen-side to an SLM-side thereof, a first lens group of negative refractive power which includes a first lens, and a second lens group of positive refractive power. The second lens group includes a second to fifth lenses in order from the screen-side to the SLM-side of the projection lens system. The projection lens system satisfies the following condition formulas: 1.95<|F1/Fw|<2.15, 0.5<|f4/Fw|<0.7, and 1.05<|f5/Fw|<1.25, where F1 is the effective focal length of the first lens group, f4 is the focal length of the fourth lens, and f5 is the focal length of the fifth lens, Fw is the effective focal length of the projection lens system which is in the wide-angle state. | 06-13-2013 |
20130148213 | PROJECTION LENS SYSTEM WITH HIGH RESOLUTION AND COMPACT SIZE - A projection lens system includes, in order from the magnified side to the reduced side thereof, a first lens group with negative refractive power, and a second lens group with a positive refracting power. The first lens group includes a first lens having a negative refracting power. The projection lens system satisfies the following condition: | 06-13-2013 |
20130155511 | ZOOM LENS SYSTEM - A zoom lens system includes, in order from the object side to the image side, a first, a second, and a third lens groups. The first lens group includes, in order from the object side to the image side, a first and a second lenses. The second lens group is capable of floating to realize an image stabilizating function and includes, in order from the object side to the image side, a third to sixth lenses. The zoom lens system satisfies various formulas, including 0.306-20-2013 | |
20130163093 | WIDE-ANGLE ZOOM LENS SYSTEM - A wide-angle zoom lens system includes a first lens group with negative refraction power, a second lens group with positive refraction power, and a third lens group with positive refraction power. The first lens group, the second lens group, and the third lens group move along an optical axis of the zoom lens system in focusing. The wide-angle zoom lens system satisfies the formulas: 0.77<|f2/f1|<1.1; and 0.706-27-2013 | |