Seung C Sohn

US Patent 11175371 Rotatable shadowband

US Patent 7157691 Monitoring optically powered actuators

US Patent 11181620 Radar sensor for vehicle and method for assembling the same

US Patent 7405392 Optical rotary encoder

US Patent 7417218 Triple grating optical encoder with light transmitting area in optical path

US Patent 7465910 Solid state imaging device with increased vertical and horizontal resolutions in interlace scanning method

US Patent 7468500 High performance charge detection amplifier for CCD image sensors

US Patent 7468503 Pin photodetector with mini-mesa contact layer

US Patent 7468504 Spectral filter for optical sensor

US Patent 7468506 Spot grid array scanning system

US Patent 7468508 System for and method of projecting an image and adjusting a data frequency of a video signal during image projection

US Patent 7468522 Collar, system and method for detecting a mark on a rod

US Patent 7468523 Raindrop detection apparatus having lens unit larger than radius of reflected light

US Patent 7470880 Apparatus for detecting electromagnetic wave and protecting eyes from glare

US Patent 7470885 Photodetector-amplifier circuit and optical pickup device

US Patent 7470888 Damage detection system

US Patent 7473889 Optical integrated circuit package

US Patent 7476833 Solid-state imaging device, method for manufacturing the same, and camera using the same

US Patent 7476844 Encoder and driving device incorporating the same

US Patent 7476846 Radar device and MEMS mirror device therefor

US Patent 7482571 Low cost planar image intensifier tube structure

US Patent 7485840 Semiconductor charge multiplication amplifier device and semiconductor image sensor provided with such an amplifier device

US Patent 7485846 Scanning microscope and method for scanning microscope

US Patent 7495201 Charge multiplexed array of solid-state photosensitive detectors

US Patent 7495206 Image sensor with stacked and bonded photo detection and peripheral circuit substrates

US Patent 7495248 Position detecting apparatus and position detecting method

US Patent 7498552 Calibratable microwave circuit with illuminable GaAs-FET, calibrating device and process

US Patent 7498556 Image sensor module having build-in package cavity and the method of the same

US Patent 7506421 In-vehicle image module with areas of different resolution

US Patent 7507948 Method of detecting object using structured light and robot using the same

US Patent 7511253 Apparatus for detecting radiation and munition incorporating same

US Patent 7511254 Photo-detector filter having a cascaded low noise amplifier

US Patent 7511259 Smart integrated distributed light-powered process control system

US Patent 7511260 Encoder device for detecting movement

US Patent 7514662 Illuminating device, electro-optical device, and electronic apparatus

US Patent 7514666 Composite receiver assembly having a circuit board on which multiple receiver devices that operate on different sets of wavelengths are mounted

US Patent 7514667 Variable transmittance optical element and imaging optical system including the same arranged at distal end of an endoscope

US Patent 7514669 Imaging apparatus and light source estimating device for the imaging apparatus

US Patent 7514670 Distributed fiber optic sensor with location capability

US Patent 7518096 Method of designing photoelectric conversion apparatus with carefully set antireflective film thickness

US Patent 7521658 Pixel having photoconductive layers to absorb different ranges of wavelengths

US Patent 7521659 Driving an image sensor with reduced area and high image quality

US Patent 7521662 Portable handheld artificial light detector

US Patent 7521669 Multi-bit absolute position optical encoder with reduced number of tracks

US Patent 7525114 Multiple axis multipoint non-contact measurement system

US Patent 7528361 Semiconductor opto device having optodiode with adapted spectral sensitivity

US Patent 7528362 Pulse modulating photodetector and electronic device

US Patent 7531774 Measurement-diverse imaging and wavefront sensing with amplitude and phase estimation

US Patent 7531778 Nano tube photo detecting device

US Patent 7531779 CMOS image device having high light collection efficiency and method of fabricating the same

US Patent 7531781 Imager with image-taking portions optimized to detect separated wavelength components

US Patent 7531790 Image sensor and method for fabricating the same

US Patent 7538304 Reducing noise in an imager by sampling signals with a plurality of capacitances connected to an output line

US Patent 7538307 Charge multiplication CMOS image sensor and method for charge multiplication

US Patent 7538314 Apparatus for and a method of displaying an image by projecting light onto a screen

US Patent 7538335 Spectral filter with dye-impregnated resonant nano-spheres

US Patent 7544924 Directional input device with a light directing shaft

US Patent 7547904 Sensing photon energies emanating from channels or moving objects

US Patent 7557338 Electronic device with integrated optical navigation module and microlens array therefore

US Patent 7560674 CMOS image sensor and method for manufacturing the same

US Patent 7560684 On-vehicle imaging device

US Patent 7560685 Spectrally stabilized broadband optical source

US Patent 7564012 Method for automatically focusing in photographic module and electronic device thereof

US Patent 7564013 Method for matching the power of a photovoltaic system to a working point at which the system produces maximum power

US Patent 7564014 Apparatus for detecting welding light and protecting eyes from glare and method for controlling the same

US Patent 7564016 Solid-state imaging device and method for driving the same

US Patent 7564017 System and method for characterizing aerial image quality in a lithography system

US Patent 7564019 Large dynamic range cameras

US Patent 7564023 Sorting apparatus and methods

US Patent 7566852 Driving circuit for backlight module

US Patent 7566853 Image sensor employing a plurality of photodetector arrays and/or rear-illuminated architecture

US Patent 7566855 Digital camera with integrated infrared (IR) response

US Patent 7566858 Remote control systems that can distinguish stray light sources

US Patent 7566860 Image pickup device with a flexibility increasing section

US Patent 7569843 Method for processing receiver signal and optical sensor

US Patent 7573018 Counting apparatus and method for a poultry processing plant

US Patent 7576309 Illuminating device, electro-optical device, and electronic apparatus

US Patent 7582856 Out of round detector

US Patent 7586081 Output impedance varying circuit

US Patent 7592576 Optical sensor array, sensing method and circuit therefore, and device and apparatus thereby

US Patent 7592579 Photoelectric conversion device manufacturing method, semiconductor device manufacturing method, photoelectric conversion device, and image sensing system

US Patent 7595474 Photoelectric conversion apparatus, photoelectric conversion system, and method of driving the same

US Patent 7605355 System and method for a high dynamic range sensitive sensor element array

US Patent 7605363 Optical pickup unit including a receiving portion

US Patent 7605388 Monitoring and control system for blood processing

US Patent 7612321 Optical coupling apparatus for a dual column charged particle beam tool for imaging and forming silicide in a localized manner

US Patent 7612332 Optical module with integrated source of light

US Patent 7612354 Image reading apparatus and drive control method thereof

US Patent 7615730 Device and method for measuring wavelength of an optical signal

US Patent 7615731 High fill-factor sensor with reduced coupling

US Patent 7615733 Optical navigation apparatus and method for making the apparatus

US Patent 7615735 Random number generation using a scattering waveguide

US Patent 7619190 Tilting adjustable surface profilometer

US Patent 7619197 Digital radiographic imaging apparatus

US Patent 7619200 Device system and method for coupling multiple photovoltaic arrays

US Patent 7619211 Light guiding apparatus

US Patent 7622697 Brightness control for dynamic scanning backlight

US Patent 7622703 Photodetector having a near field concentration

US Patent 7622706 Sensor cable and multiplexed telemetry system for seismic cables having redundant/reversible optical connections

US Patent 7626189 Characterization of fancy yarn

US Patent 7629563 Methods for adjusting and evaluating light intensity distribution of illumination apparatus, illumination apparatus, exposure apparatus, and device manufacturing method

US Patent 7633044 Image sensor module

US Patent 7633047 Non-contact optical sensor module

US Patent 7633076 Automated response to and sensing of user activity in portable devices

US Patent 7635831 Method of detecting inclination and inclination detecting apparatus

US Patent 7638751 Multi-element optical detectors with sub-wavelength gaps

US Patent 7638754 Backlight device, display apparatus including backlight device, method for driving backlight device, and method for adjusting backlight device

US Patent 7638755 Sensing absolute position of an encoded object

US Patent 7638758 Electronic package incorporating electronic components generating and/or receiving light-based coded signals

US Patent 7642493 Light sensor for determining a position of a light source

US Patent 7645972 High-speed readout of a wavefront sensor using position sensing device

US Patent 7645973 Sun-tracking power generating apparatus

US Patent 7649189 CRDS mirror for normal incidence fiber optic coupling

US Patent 7652242 Device for processing and digitizing an energy spectrum of an electromagnetic radiation

US Patent 7652243 Amplification with feedback capacitance for photodetector signals

US Patent 7652246 Optical pickup device and optical disk device

US Patent 7655890 Light sensor, display apparatus including the same, and control method thereof

US Patent 7655894 Vehicular image sensing system

US Patent 7655896 Optical sensor, method for producing an optical sensor, and method for detecting an object with an optical sensor

US Patent 7655937 Remote control systems that can distinguish stray light sources

US Patent 7659496 Light emitting device and control method thereof

US Patent 7659503 Image sensor module and light guiding member used for the same

US Patent 7663080 Light sensor assembly having light-sensing portion and compensating unit and display device using same

US Patent 7663081 Apparatus for digital imaging photodetector using gas electron multiplier

US Patent 7663087 Dynamically configurable multiple wavelength photodetector array for optical storage applications

US Patent 7663092 Method and apparatus for phase contrast quadrature interferometric detection of an immunoassay

US Patent 7663096 Microelectronic imaging devices and associated methods for attaching transmissive elements

US Patent 7663129 Thin substrate pitch measurement equipment

US Patent 7667179 Radiation image detector

US Patent 7667182 Semiconductor photodetector with converging structure on light receiving surface sealed with optical transmitting resin containing micro particles

US Patent 7671317 Physical quantity detecting apparatus and method for driving the same

US Patent 7671326 Image inputting apparatus

US Patent 7675025 Sensing absolute position of an encoded object

US Patent 7682530 Crystalline colloidal arrays responsive to an activator

US Patent 7683302 Solid-state imaging device having on-chip color filter layers and solid-state imaging device manufacturing method of the solid-state imaging device

US Patent 7683309 Photosensor and method for fabricating the same

US Patent 7687752 Focus detection device having a plurality of focusing points and controlling the output of data from the focusing points

US Patent 7687753 Control system for an illumination device incorporating discrete light sources

US Patent 7687755 CMOS image sensor and operating method thereof

US Patent 7687757 Design of microlens on pixel array

US Patent 7687761 Photoelectric conversion device providing efficient read-out of signal charges

US Patent 7687763 Noise resistant light-powered sensor

US Patent 7687791 Ethernet data signal transmission apparatus

US Patent 7692131 Imaging system and methodology with projected pixels mapped to the diffraction limited spot

US Patent 7692174 Method and apparatus for determining a relative position of a processing head with respect to a substrate with a structure

US Patent 7696463 Photosensor circuit presenting linear and logarithimic output characteristics and image sensor using the same

US Patent 7696464 Imaging device with reduced row readout time and method of operating the same

US Patent 7696465 Image sensor package, camera module having same and manufacturing method for the same

US Patent 7696470 Optical communication module

US Patent 7700904 Compound-eye imaging device

US Patent 7700933 Optical lens system of mobile camera including optical lens and pair of image sensors

US Patent 7705277 Sun tracking solar panels

US Patent 7705280 Multispectral plasmonic crystal sensors

US Patent 7705292 Method and apparatus for detecting a condition of an optical element

US Patent 7705337 System and method for image detection using large area pin diode

US Patent 7705338 Raindrop detection apparatus with case and lenses integrally configured and circuit board supported by case

US Patent 7709780 Photoelectric conversion device and camera using photoelectric conversion device

US Patent 7714262 Digital camera with integrated ultraviolet (UV) response

US Patent 7714265 Integrated proximity sensor and light sensor

US Patent 7718940 Compound-eye imaging apparatus

US Patent 7718985 Advanced droplet and plasma targeting system

US Patent 7723660 Sensor-based chemical management for agricultural landscapes

US Patent 7723661 Solid-state imaging device with column amplifier

US Patent 7723662 Microscopy arrangements and approaches

US Patent 7723665 Method for calibration in transference of motion pictures to a photosensitive material

US Patent 7723670 Optical differential group delay module with folded optical path

US Patent 7723672 Multi-position kinematic mount for optical sensors in stabilized platforms

US Patent 7723709 Substrate holding apparatus, and inspection or processing apparatus

US Patent 7728275 Wireless remote detector systems and methods

US Patent 7728316 Integrated proximity sensor and light sensor

US Patent 7728317 Optical heterodyne sampling device having probe and pump beams

US Patent 7732742 Device and method for signal processing

US Patent 7732746 Image sensor and method of fabricating the same

US Patent 7732752 Continuous base beneath optical sensor and optical homodyning system

US Patent 7732797 Detection device and method for detecting objects subject to cyclic or repetitive motion

US Patent 7741590 Image sensor and image sensing apparatus comprising waveguide and multilayer wiring structure

US Patent 7741592 Physiological sensor with booster circuit

US Patent 7745775 Testing of transimpedance amplifiers

US Patent 7745776 Photo detecting apparatus comprising a current control element

US Patent 7750277 Optical signal transmitting apparatus, optical signal transmitting device, and optical signal receiving device

US Patent 7750278 Solid-state imaging device, method for driving solid-state imaging device and camera

US Patent 7750280 Back-illuminated image sensor and method of fabricating the same

US Patent 7750329 Optical tweezers

US Patent 7755021 Non-toxic photo cells and photosensors including the same

US Patent 7755024 Safety sensing system for a powered door system

US Patent 7755028 Optical scanning device with adjustable glass platform

US Patent 7763837 Method and apparatus for controlling anti-blooming timing to reduce effects of dark current

US Patent 7771058 Projection display apparatus

US Patent 7772532 Camera and method having optics and photo detectors which are adjustable with respect to each other

US Patent 7772540 RF controlled sequential lighting system

US Patent 7772579 Method and apparatus for simultaneously measuring a three dimensional position of a particle in a flow

US Patent 7777176 Composition and method to characterize membranes' defects

US Patent 7781710 Image pickup apparatus, control method, and program with autofocus selection

US Patent 7786419 Beam power with beam redirection

US Patent 7786422 System and method for a high dynamic range sensitive sensor element or array

US Patent 7791013 Biological microarray line scanning method and system

US Patent 7791014 Optical device and a method of manufacturing an optical device having a photoelectric conversion element and an optical adjustment element

US Patent 7795570 Self-scanned photodiode array with selectively-skipped pixels

US Patent 7795575 Light-emitting device with chromatic control

US Patent 7795577 Lens frame and optical focus assembly for imager module

US Patent 7800036 System and method for creating a networked infrastructure roadway distribution platform of solar energy gathering devices

US Patent 7800090 Optical position tracking input device having a self-test function and method of testing the same

US Patent 7804054 Wireless system and method for displaying the path traveled by a marker

US Patent 7804079 Method and apparatus for using imperfections and irregularities in optical media for identification purposes

US Patent 7804080 Moisture removal apparatus and method of image read out apparatus

US Patent 7806566 Light source unit and projection type video display apparatus using the same

US Patent 7812295 Optical system and method for multi-range and dual-range imaging

US Patent 7820958 Laser scanning microscope that includes a scanning device and at least one controllable optical element that controls the polarization plane of light incident onto a sample, and method of use

US Patent 7829874 Universal self-contained proximity sensor for attachment to a night-vision device

US Patent 7832876 Projection display for converting light beams into an optical image

US Patent 7837330 Panoramic three-dimensional adapter for an optical instrument and a combination of such an adapter and such an optical instrument

US Patent 7842909 CMOS imaging device comprising a microlens array exhibiting a high filling rate

US Patent 7842914 Optoelectronic package, camera including the same and related methods

US Patent 7845804 Projection type image display apparatus

US Patent 7845806 Discharge lamp control device controlling lighting of a discharge lamp, and projector using the same

US Patent 7847232 Photomultiplier tube and radiation detecting device employing the photomultiplier tube

US Patent 7850309 Projection type image display apparatus

US Patent 7850315 Projection apparatus and light integration rod thereof

US Patent 7855354 Measuring device and method for the 3D-measurement of dental models

US Patent 7857467 Projectors with security area detection

US Patent 7858920 Method and device for detecting an object that can retroreflect light

US Patent 7862184 Projection distance adjustable projection display apparatus

US Patent 7866824 Sealed lamp device and projector

US Patent 7866832 Multi-projector intensity blending system

US Patent 7866833 Apparatus and method for projecting image considering screen condition

US Patent 7868286 Mounted imaging device

US Patent 7868288 Optical scanning device, image forming apparatus including the same, and method of configuring the same

US Patent 7874680 Projector that displays an image using laser beams

US Patent 7874681 Interactive projector system and method

US Patent 7875843 Color filters and method of fabricating the same in image sensor

US Patent 7878665 Holding apparatus for holding optical element above a base, exposure apparatus including the holding apparatus, and device manufacturing method using the exposure apparatus

US Patent 7880126 Current detection circuit, light receiving device using the same, and electronic device

US Patent 7880128 Vented header assembly of an image intensifier device

US Patent 7880131 Invisible, light-transmissive display system

US Patent 7883215 Projector and projector circuit board thereof

US Patent 7884309 Digital camera with multiple pipeline signal processors

US Patent 7884314 Light guide mechanism for guiding a light to an illuminance sensor

US Patent 7884315 Invisible, light-transmissive display system

US Patent 7887190 Method and system for an enclosed, portable, volatile environment laser projector

US Patent 7887191 Method and system for making a large object itilizing laser projection

US Patent 7888627 Optical encoder having a stray-light reduction element for reducing strat-light

US Patent 7888664 Plate pallet alignment system

US Patent 7893416 Detecting printing plate edge alignment

US Patent 7897904 Method and apparatus for controlling anti-blooming timing to reduce effects of dark current

US Patent 7897908 Radiometer sighting device and method

US Patent 7901081 Method of manufacturing optical compensation element and projector

US Patent 7901088 Projection display apparatus and image forming apparatus with efficient power consumption

US Patent 7901097 Display apparatus and projection type lighting apparatus therefor

US Patent 7902491 Device for regulating the backlighting of an LC display

US Patent 7902532 Systems and methods involving transducer signals

US Patent 7902534 Cavity ring down system having a common input/output port

US Patent 7906771 Predictive method for controlling a blood processing system

US Patent 7909467 Projection apparatus, light source module and beam combiner adapted to projection apparatus

US Patent 7909468 Display device and method

US Patent 7909473 Method for operating a high-intensity discharge lamp, lamp driver and projection system

US Patent 7914152 Portable projector using an LED and related heat dissipation system

US Patent 7918560 Projector, projection system, and method for generating pixel value in projector

US Patent 7919741 Indirect wave front sensing

US Patent 7922334 Multistage cooling system for projector

US Patent 7923674 Solid-state image sensor having a voltage applier and signal readout method thereof

US Patent 7923710 Digital isolator with communication across an isolation barrier

US Patent 7926951 Laser illuminated micro-mirror projector

US Patent 7926958 Mobile terminal having projector and method for controlling the same

US Patent 7928351 Near field diversity method for estimation and correction of aberrations

US Patent 7928353 Displaying device and lighting device employing organic electroluminescence element

US Patent 7928355 Current subtraction pixel

US Patent 7928356 Quantum sensor miniaturization utilizing entangled photon signals

US Patent 7928358 Imaging device module and portable electronic apparatus utilizing the same

US Patent 7931378 Control system, projector, program, and information storage medium

US Patent 7931379 Projection system, projection lens module, optical actuator and its driving method

US Patent 7934838 Projector and heat insulating device thereof

US Patent 7935919 Burst light receiving power monitor circuit, method, and program

US Patent 7938540 Autostereoscopic projection system

US Patent 7938541 Laser picture formation device and color picture formation method

US Patent 7938542 Optical swiveling device for imaging and/or projection of an object scene

US Patent 7939792 Noise resistant light-powered transceiving adapter

US Patent 7942533 Large-sized transportable projection screen

US Patent 7943916 Method for controlling a blood processing system by observing a separation region and an extraction port

US Patent 7947943 Pawl and ratchet assembly adapted for indirect sensing of proper operation

US Patent 7952058 Radiation detection apparatus and radiation detection system having a light source located to reduce dark current

US Patent 7952062 Dynamically configurable multiple wavelength photodetector array for optical storage applications

US Patent 7952063 Method and system for operating a pointing device to control one or more properties of a plurality of other devices

US Patent 7956317 Fibre optic probe

US Patent 7956339 Single-sided lateral-field and phototransistor-based optoelectronic tweezers

US Patent 7959303 Image display device

US Patent 7960684 Side cured light-transmissive display system

US Patent 7964835 Digital cameras with direct luminance and chrominance detection

US Patent 7964837 Photovoltaic inverter interface device, system, and method

US Patent 7968833 Image sensor with optical and electrical measurement functions

US Patent 7968837 Separate-type detector with redundant synchronization feature

US Patent 7972008 Projection system using high-frequency drive modulation to reduce perceived speckle

US Patent 7973273 Light barrier with feedback control

US Patent 7977618 Testing of transimpedance amplifiers

US Patent 7982173 Optical viewing arrangement, remote-control unit and viewing system having an image recording function

US Patent 7982175 Miniaturized single track optical encoder system with integrated index channel(s)

US Patent 7985947 Photoelectric conversion apparatus and image pickup system using photoelectric conversion apparatus

US Patent 7988307 Image display device

US Patent 7989752 Solid-state imaging device and solid-state imaging device manufacturing method

US Patent 7989753 Photodetector having wide dynamic range and low temperature dependence

US Patent 7989754 Optical circuit and method for measuring monitor characteristic

US Patent 7993007 Projector

US Patent 7993011 Projection display device in which positions of projection lens unit and projection mirror unit relative to illumination optical systems are switched

US Patent 7993018 Projection optical system and light amount adjusting component used in the same

US Patent 7994459 Camera-based heliostat calibration with artificial light sources

US Patent 7994462 Vehicular image sensing system

US Patent 7994465 Methods and devices for improved charge management for three-dimensional and color sensing

US Patent 7999214 Photo-detector filter having a cascaded low noise amplifier

US Patent 7999216 Selective channel charging for microchannel plate

US Patent 7999242 Substrate holding apparatus, and inspection or processing apparatus

US Patent 7999245 Network centric directed energy systems

US Patent 8002414 Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus

US Patent 8007112 Image display apparatus having a plurality of light-shielding members

US Patent 8008615 Beam power with broadcaster impingement detection