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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Seo; Cheong Soo
Address:
Seongnam, KR
No. of patents:
28
Patents:












Patent Number Title Of Patent Date Issued
8049776 Three-dimensional camcorder November 1, 2011
The present invention provides a three-dimensional camcorder comprising a three-dimensional imaging system acquiring the three-dimensional image information of an object and a three-dimensional viewfinder displaying three-dimensional image using at least one variable focal length mic
7898144 Multi-step microactuator providing multi-step displacement to a controlled object March 1, 2011
A multi-step microactuator is provided with the multiple supports in a stepper plate to give multi-step displacement to a controlled object. The microactuator has advantages such that multiple motion can be applied to the controlled object and that the object can be controlled in a low
7777959 Micromirror array lens with fixed focal length August 17, 2010
The present invention provides a Micromirror Array Lens (MMAL) with fixed focal length to reproduce a designed surface having optical focusing power. The micro mechanical structures with surface profile shape memory are fabricated and released after fabrication. Each micromirror in the
7751694 Three-dimensional endoscope imaging and display system July 6, 2010
The present invention provides a three-dimensional endoscope system comprising a three-dimensional imaging device and a three-dimensional display device using a variable focal length micromirror array lens. The micromirror array lens has enough focusing speed and focusing depth range
7742232 Three-dimensional imaging system June 22, 2010
A new three-dimensional imaging system has been needed to overcome the problems of the prior arts using conventional variable focal length lenses, which have slow response time, small focal length variation, and low focusing efficiency, and require a complex mechanism to control it.
7667896 DVD recording and reproducing system February 23, 2010
The objective of the present invention is to provide a high-speed, miniaturized, low-cost DVD recording and reproducing system. The present invention is particularly directed to a motorless optical pick-up device for recording and/or reading information on or from an optical disc (CD
7619807 Micromirror array lens with optical surface profiles November 17, 2009
A Micromirror Array Lens comprises a plurality of micromirrors arranged on a flat or a curved surface to reflect incident light. Each micromirror in the Micromirror Array Lens is configured to have at least one motion. The Micromirror Array Lens forms at least one optical surface profile
7619614 Three-dimensional optical mouse system November 17, 2009
A three-dimensional optical mouse device with a Micromirror Array Lens (MMAL) is provided. To have the three-dimensional optical mouse system, a three-dimensional imaging device is used for detecting the motion of optical pointer or fingers of the user and gives a location of the poi
7605989 Compact auto-focus image taking lens system with a micromirror array lens and a lens-surfaced pr October 20, 2009
A compact auto-focus image taking lens system with a Micromirror Array Lens and a lens-surfaced prism of the present invention comprises a lens-surfaced prism, an aperture stop, a first lens element, a second lens element, a Micromirror Array Lens, and an image surface, optionally an
7605988 Compact image taking lens system with a lens-surfaced prism October 20, 2009
A compact image taking lens system with a lens-surfaced prism of the present invention comprises a prism, an aperture stop, a first lens element, a second lens element, reflecting mirror surface, and image surface, optionally an infrared cut-off filter. By introducing a lens-surfaced
7605964 Array of micromirrors with non-fixed underlying structures October 20, 2009
The present invention discloses an array of micromirrors with non-fixed underlying structures which can be oriented to have principal rotational axis with no structural and mechanical interference and with no electrical conflict. The micromirror array in the present invention can rep
7589916 Micromirror array with iris function September 15, 2009
The present invention provides a micromirror array with iris function that comprises a plurality of micromirrors and is configured to provide an adjustable aperture having a plurality of aperture sizes by controlling motions of the micromirrors. The adjustable aperture controls the amoun
7589885 Micromirror array device comprising encapsulated reflective metal layer and method of making the September 15, 2009
The present invention provides an optical micromirror device and their array device and method for making the same. By introducing a sub coating layer and an over coating layer with a high reflective metal layer, the reflective layer of the micromirrors is protected from environmental
7589884 Micromirror array lens with encapsulation of reflective metal layer and method of making the sam September 15, 2009
The present invention provides a micromirror array device specially Micromirror Array Lens device structure and method for making the same. By introducing a sub coating layer and an over coating layer with a high reflective metal layer, the reflective layer of the micromirrors is pro
7580178 Image-guided microsurgery system and method August 25, 2009
The present invention provides an image-guided microsurgery system comprising a real-time three-dimensional microscopic imaging device and a three-dimensional display device. The imaging device generates an all-in-focus image or in-focus depthwise images with depth information in var
7535618 Discretely controlled micromirror device having multiple motions May 19, 2009
A discretely controlled micromirror device provides multiple motions of a micromirror using stepper plate and micromirror bottom support. The discretely controlled micromirror device can be controlled in a low driving voltage. Also, simple motion control is applied by digital control
7489434 Hybrid micromirror array lens for reducing chromatic aberration February 10, 2009
This invention provides a Hybrid Micromirror Array Lens with reduced chromatic aberration over a broadband wavelength range of light. Conventional micromirror array lens uses phase matching condition. Therefore, the optical surface profile of Micromirror Array Lens using the same pha
7488082 Discretely controlled micromirror array device with segmented electrodes February 10, 2009
This invention provides a discretely controlled micromirror array device comprising a plurality of micromirrors. The discretely controlled micromirror array device forms multiple surface profiles, wherein the rotational and translational motion of each micromirror is discretely contr
7474454 Programmable micromirror motion control system January 6, 2009
A multi-motion programmable micromirror control method is provided with the multiple supports in a stepper plate to upholding the micromirror structure. The control system has advantages such that multiple motion can be applied to a micromirror and that the micromirror can be control
7463342 Optical tracking device using micromirror array lenses December 9, 2008
The optical tracking device of this invention comprises a lens unit, a control circuitry communicatively coupled to the lens unit, and an imaging unit optically coupled to the lens unit. The lens unit comprises at least one Micromirror Array Lens, wherein the Micromirror Array Lens c
7411718 Variable focal length lens and lens array comprising discretely controlled micromirrors August 12, 2008
A discretely controlled micromirror array lens (DCMAL) consists of many discretely controlled micromirrors (DCMs) and actuating components. The actuating components control the positions of DCMs electrostatically. The optical efficiency of the DCMAL is increased by locating a mechanical
7410266 Three-dimensional imaging system for robot vision August 12, 2008
The present invention provides a three-dimensional imaging system for robot vision, which is capable of three-dimensional positioning of objects, object identification, searching and tracking of an object of interest, and compensating the aberration of the system. The three-dimension
7400437 Discretely controlled micromirror with multi-level positions July 15, 2008
This invention provides the two types of Discretely Controlled Micromirror (DCM), which can overcome disadvantages of the conventional electrostatic micromirrors. The first type micromirror is a Variable Supporter Discretely Controlled Micromirror (VSDCM), which has a larger displace
7365899 Micromirror with multi-axis rotation and translation April 29, 2008
The present invention discloses a micromirror device with multi-axis rotational and translational motion. Newly introduced structure of the top electrode plate improves structural stability, flexibility, and more motion efficiency of the micromirror device. The invention also improves
7350922 Three-dimensional display using variable focal length micromirror array lens April 1, 2008
A three-dimensional display device includes a two-dimensional display displaying a depthwise image, and a variable focal length micromirror array lens receiving light from the two-dimensional display and forming a corresponding image in the required location in space. Each depthwise
7236289 Fast optical shutter using micromirror motion June 26, 2007
The present invention provides a fast optical shutter function by use of the fast movement of the micromirrors. In a micromirror array lens (MMAL), all the micromirrors reflect the incident light to form an image on the image plane. If the micromirrors reflect the incident light out of
7212330 Three-dimensional imaging system for pattern recognition May 1, 2007
The present invention provides a real-time three-dimensional pattern recognition imaging system having a variable focal length, a wide depth of field, a high depth resolution, a fast acquisition time, a variable magnification, a variable optical axis for tracking, and capability of c
7095548 Micromirror array lens with free surface August 22, 2006
A micromirror array lens includes a plurality of micromirrors, and reproduces a predetermined free surface by controlling rotation and/or translation of the micromirrors. The micromirror is controlled by control circuitry, upheld by a mechanical structure, and includes a reflective s










 
 
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