Patent application number | Description | Published |
20130242411 | PHOTOGRAPHIC LENS OPTICAL SYSTEM - A lens optical system includes first, second, third, fourth, and fifth lenses that are arranged between an object and an image sensor where an image of the object is formed, in order from an object side, wherein the first lens has a positive (+) refractive power and an incident surface that is convex toward the object, the second lens has a negative (−) refractive power and a meniscus shape that is convex toward the object, the third lens has a positive (+) refractive power and both convex surfaces, the fourth lens has a positive (+) refractive power and a meniscus shape that is convex toward the image sensor, and the fifth lens has a negative (−) refractive power and an incident surface and an exit surface, at least one of the incident surface and the exit surface is an aspherical surface. | 09-19-2013 |
20130265652 | Photographic Lens Optical System - A lens optical system includes first, second, third, and fourth lenses that are arranged between an object and an image sensor, in order from an object side, wherein the first lens has positive refractive power and an incident surface that is convex toward the object, the second lens has negative refractive power and both surfaces of which are concave, the third lens has positive refractive power and a meniscus shape that is convex toward the image sensor, and the fourth lens has negative refractive power and at least one of an incident surface and an exit surface of which is an aspherical surface, wherein the system satisfies the inequality, | 10-10-2013 |
20150177486 | Photographic Lens Optical System - A photographic lens optical system includes: a first lens having a negative refractive power and a meniscus shape convex toward an object side; a second lens having a positive refractive power and a shape convex toward an image side; a third lens having a positive refractive power and a double convex shape; and a fourth lens having a negative refractive power and a shape convex toward the image side, wherein the first to fourth lenses are sequentially arranged in a direction from the object side to the image side, and the photographic lens optical system satisfies the following condition: | 06-25-2015 |
20150177487 | Photographic Lens Optical System - A photographic lens optical system includes: a first lens having a negative refractive power and a meniscus shape convex toward an object side; a second lens having a negative refractive power and a meniscus shape convex toward the object side; a third lens having a positive refractive power and a meniscus shape convex toward the object side; and a fourth lens having a positive refractive power and a double convex shape, wherein the first to fourth lenses are sequentially arranged in a direction from the object side to an image side, and the photographic lens optical system satisfies the following condition: | 06-25-2015 |
20150185443 | Optical Lens System - An optical lens system includes sequentially from an object side to an image plane side: a first lens having a negative refractive power and an object side surface that is convex; a second lens having a positive refractive power and an image side surface that is convex toward the image side; a third lens having a positive refractive power and an image side surface that is convex toward the image side; a fourth lens having a positive refractive power and a biconvex shape; and a fifth lens having a negative refractive power and an object side surface that is concave toward the object side. | 07-02-2015 |
20150185445 | Optical Lens System - An optical lens system includes sequentially from an object side to an image plane side: a first lens having a negative refractive power and an object side surface that is convex toward the object side; a second lens having a negative refractive power and an object side surface that is convex toward the object side; a third lens having a positive refractive power and an image side surface that is convex toward the image side; a fourth lens having a negative refractive power and an object side surface that is concave toward the object side; and a fifth lens having a positive refractive power and an image side surface that is convex toward the image side. | 07-02-2015 |
20160041370 | Photographic Lens Optical System - A photographic lens optical system having low manufacturing costs and high performance. The system includes first through sixth lenses, which are sequentially arranged along a light proceeding path between an object and an image sensor where an image of the object is formed, wherein the first lens has positive refractive power and an incident surface convex towards the object, the second lens has positive refractive power and an incident surface convex towards the object, the third lens has negative refractive power and an emitting surface concave with respect to the image sensor, a fourth lens has positive refractive power and is a meniscus lens convex towards the image sensor, the fifth lens has negative refractive power and is a meniscus lens convex towards the image sensor, and the sixth lens has positive refractive power, wherein an incident surface and/or an emitting surface of the sixth lens is aspheric. | 02-11-2016 |
20160041371 | Photographic Lens Optical System - A photographic lens optical system having low manufacturing costs and high performance. A lens optical system includes first through fifth lenses, which are sequentially arranged along a light proceeding path between an object and an image sensor where an image of the object is formed, wherein the first lens has positive refractive power and an incident surface convex towards the object, the second lens has negative refractive power and an emitting surface concave with respect to the image sensor, a third lens has positive refractive power and is a meniscus lens convex towards the image sensor, the fourth lens has negative refractive power and is a meniscus lens convex towards the image sensor, and the fifth lens has negative refractive power, wherein at least one of an incident surface and an emitting surface of the fifth lens is aspheric. | 02-11-2016 |
20160116705 | Photographic Lens Optical System - Provided is a photographic lens optical system. The photographic lens optical system includes an iris, a plurality of lenses, and a sensor configured to record images transmitted through the plurality of lenses. A second surface (light exit surface) of a lens that is the farthest from the sensor of the plurality of lenses is a flat surface. The plurality of lenses may be plastic lenses and may include first through fifth lenses sequentially arranged between a subject and the sensor, and the first and second lenses may have positive refractive power and the second, fourth, and fifth lenses may have negative refractive power. At least one surface of both surfaces of the fifth lens may have a plurality of inflection points. | 04-28-2016 |
Patent application number | Description | Published |
20140184875 | Imaging Lens System - An imaging lens system includes, sequentially from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power or a negative refractive power, wherein a viewing angle θ satisfies following condition, | 07-03-2014 |
20140184877 | Imaging Lens System - An imaging lens system includes, sequentially from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a negative refractive power, wherein a viewing angle θ satisfies following condition, | 07-03-2014 |
20140184880 | Photographic Lens Optical System - First, second, third, and fourth lenses (in order from an object side) are arranged between the object and an image sensor where an image of the object is formed. The first lens may have a positive refractive power and may be a meniscus lens that is convex toward the object. The second lens may have a positive refractive power and may be a meniscus lens that is convex toward the image sensor. The third lens may have a positive refractive power and may be a meniscus lens that is convex toward the image sensor. At least one of an incident surface and an exit surface of the fourth lens may be an aspherical surface. The fourth lens may have a negative refractive power or a positive refractive power. A viewing angle θ of the lens optical system may satisfy a conditional expression, 2.5<|tan θ|<3.5. | 07-03-2014 |
20140184895 | Photographic Lens Optical System - First, second, third, and fourth lenses (in order from an object side) are arranged between the object and an image sensor where an image of the object is formed. The first lens may have a positive refractive power and both surfaces thereof may be convex. The second lens may have a negative refractive power and both surfaces thereof may be concave. The third lens may have a positive refractive power and have a meniscus shape that is convex toward the image sensor. The fourth lens may have a negative refractive power and at least one of an incident surface and an exit surface thereof may be an aspherical surface. A sagittal depth SAG | 07-03-2014 |
Patent application number | Description | Published |
20160116709 | Photographic Lens Optical System - Provided are lens optical systems. A lens optical system includes a first lens, a second lens, a third lens, and a fourth lens sequentially arranged in a direction from an object to an image sensor. The first lens may have a negative (−) refractive power and an entrance surface convex toward the object. The second lens may have a negative (−) refractive power and an exit surface concave toward the image sensor. The third lens may have a positive (+) refractive power and a meniscus shape convex toward the object. The fourth lens may have a positive (+) refractive power and a biconvex shape. The lens optical system may have a diagonal field of view FOV_D satisfying the following formula: 180°04-28-2016 | |
20160116711 | PHOTOGRAPHING LENS OPTICAL SYSTEM - Provided is a photographing lens optical system achieving high performance with low expenses. The lens optical system includes first to fourth lenses sequentially arranged along a light path between an object and an image sensor on which an image of the object is formed. The first lens has a negative refractive power and an incident surface convex toward the object, the second lens has a positive refractive power and an exit surface concave from the image sensor, the third lens has a positive refractive power and an exit surface convex toward the image sensor, and the fourth lens has a negative refractive power and an incident surface that is an aspherical surface having two or more inflection points. | 04-28-2016 |
20160116712 | PHOTOGRAPHING LENS OPTICAL SYSTEM - Provided is a photographing lens optical system achieving high performances with low expenses. The lens optical system includes a first lens, a second lens, a third lens, and a fourth lens sequentially arranged along a light proceeding path between an object and an image sensor on which an image of the object is formed from the object side, wherein the first to fourth lenses respectively have negative, positive, positive, and positive refractive powers. | 04-28-2016 |
Patent application number | Description | Published |
20100283696 | SATELLITE TRACKING ANTENNA SYSTEM WITH IMPROVED TRACKING CHARACTERISTICS AND OPERATING METHOD THEREOF - A satellite tracking antenna system with improved tracking characteristics and operating method thereof are disclosed. The system independently controls an elevation angle and an azimuth angle of an antenna according to the movement of a vehicle, controls the elevation angle of the antenna only when a satellite elevation-angle variation is equal to or higher than a reference value, so that it can improve the tracking speed and performance of the satellite. The system includes an antenna unit, a GPS receiver, an azimuth-angle gyro-sensor, a control board, a motor unit. The control board includes an elevation-angle controller and a main controller. The motor unit includes an elevation-angle motor and an azimuth-angle motor. | 11-11-2010 |
20120319915 | Helix Feed Broadband Antenna Having Reverse Center Feeder - Provided is a helix feed broadband antenna having a reverse center feeder, which minimizes an antenna enclosure and a radio wave shadow area by using the reverse center feeder including a reflecting plate and a rear radiation pattern, thereby enhancing performance of an antenna. The helix feed broadband antenna having a reverse center feeder, including a reverse center feeder which radiates an antenna radiation pattern backward; and a reflecting plate which is positioned at a rear side of the reverse center feeder so as to receive and transmit radio wave by reflecting an antenna beam radiated from the reverse center feeder. | 12-20-2012 |
20130210372 | MICRO ANTENNA FEEDER FOR WIDE BAND - The present invention relates to a micro wideband antenna feeder, and more particularly, to a micro wideband antenna feeder in which a quad scheme antenna and a cross dipole antenna are coupled to each other. The micro wideband antenna feeder includes: a quad scheme antenna; and a cross dipole antenna installed orthogonal to the quad scheme antenna and irradiating current distribution orthogonal to current distribution irradiated from the quad scheme antenna. According to preferred embodiments of the present invention, since phases 0, 90, 180, and 270 can be shifted by being designed as a feeding network PCB, a circularly polarized wave can be implemented. | 08-15-2013 |
20140145893 | Ultra-Wideband Dual Linear Polarized Wave Waveguide Antenna for Communication - Provided is a ultra-wideband dual linear polarized wave waveguide antenna for communication having a wideband matching structure in which the inner peripheral surface of the first polarized wave filtering unit or the second polarized wave filtering unit, which filters a first polarized wave or a second polarized wave entering the dual linear polarized wave waveguide antenna and orthogonal to each other, are tapered such that a diameter of the inner peripheral surface becomes smaller, and having an extended path so as to adjust the first polarized wave and the second polarized wave so that they are in-phase. By doing so, the ultra-wideband dual linear polarized wave waveguide antenna is capable of both receiving and transmitting and thus can be used for communication, and can adjust skew angles without being mechanically rotated. | 05-29-2014 |
20140315483 | AUTOMATIC POSITIONING ANTENNA SYSTEM FOR USE IN MULTI-SATELLITE RECEPTION, AND METHOD FOR TRACKING SATELLITES - The present invention relates to an automatic positioning antenna system for receiving multiple satellite signals and a method for tracking satellites to track positions of satellites through a satellite tracking LNB installed separately from a broadcast LNB, recognize the current position through information on tracked satellites and control an antenna to be oriented to the position of a target satellite to quickly receive satellite broadcast signals. The system includes an antenna unit having an antenna to which a broadcast LNB and a satellite tracking LNB receiving satellite signals for satellite tracking are connected, a switching unit for selecting the broadcast LNB or the satellite tracking LNB, a control unit for analyzing signals received through the satellite tracking LNB and controlling the antenna unit to be oriented to a target satellite using tracked satellite information; and a drive unit for moving the antenna unit under the control of the control unit. | 10-23-2014 |