Samsung Electronics Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Jang-hoon Yoo

Chul-woo Lee

Chong-sam Chung

Kun-Ho Cho

Chul-Woo Lee

Pyong-yong Seong

Kyung-hwa Rim

Seong-sin Joo

Kyung-geun Lee

Jung-wan Ko

In-sik Park

Yong-hoon Lee

Byung-in Ma

Seung-tae Jung

Joong-eon Seo

Soo-han Park

Tae-kyung Kim

Yong-jae Lee

Seok-jung Kim

Dong-Ho Shin

Yong-ki Son

Dong-ho Shin

Bong-gi Kim

Joong-Eon Seo

Byung-ryul Ryoo

Jong-ryull Kim

Hag-hyeon Jang

Kun-ho Cho

Ho-Cheol Lee

Yong-wook Kim

Jung-pa Seo

Yong-Jae Lee

Liefeng Zhao

Yong-han Yoon

Ho-Sik You

Chul-Hoo Lee

Dae-sik Kim

Dae-Sik Kim

Young-Il Kim

Chang-jin Yang

Young-man Ahn

Soon-kyo Hong

Young-min Cheong

Sung-Bin Hong

Tae-youn Heor

Dong-seob Jang

Ju-hyung Lee

Cheol-sung Yeon

Tae-youn Lee

Seung-Tae Jung

Kun-soo Kim

Tae-Seok Park

Myoung-soo Choi

Myong-Do Ro

Myoung-Seok Kim

Nam-young Jang

Byung-deok Nam

Seong-ho Hwang

Douk-young Song

Eun-Ho Choi

Hyun-seob Choi

Sang-beom Hong

Seok-bong Kang

Hyung-taek Oh

Jong-hwa Yu

Seon-jeong Lee

Eun-ho Choi

Eung-ho Kim

Yong-Wook Kim

Soo-jin Jeong

Young-Sun Jeon

Eui-kuen Oh

Soo-Jin Jung

Jung-Eon Seo

Soo-Yul Jung

Pyong-Yong Seong

Yong-Moon Lee

Kun-Mo Cho

Soo-hen Park

Soo-yeul Jung

Young-sun Jeong

Myoung-seek Kim

Hag-hyun Jang

Tae-Youn Lee

Nam-Young Jang

Soo-Han Park

Yong-Han Yoon

Provided is a photographing apparatus. The photographing apparatus includes: a main body having an image pickup device disposed therein; a middle cover disposed in a back side of the main body and includes a first opening disposed to correspond to a position of the image pickup device; a first connector formed on the middle cover and around the first opening, where the first connector is configured to couple to an external optical component and is disposed so that the an optical axis of the image pickup device coincides with an optical axis of the external optical component, when the external optical component is coupled to the first connector; and a rear cover disposed on the middle cover and includes a second opening disposed to correspond to the position of the image pickup device.

Photographing apparatus having an external optical component connector and method of controlling the same

A method for generating video data and an image photographing device implementing the same are provided. The method includes acquiring annular panoramic video data by performing panoramic video photographing, selecting an extraction area from each frame of the annular panoramic video data, and generating video data by combining the extraction area selected from each frame.

Method for generating video data and image photographing device thereof

A recording/reproducing apparatus having an optical pickup device which is efficient in light use having little spherical aberration. The recording and/or reproducing apparatus includes an optical pickup having an objective lens, disposed opposite a disk, having a light passing region divided into central, intermediate and periphery regions corresponding to a near axis area, an intermediate axis area and a far axis area of incident light, where the curvature of the central and peripheral regions is optimized for a thin disk and that of the intermediate region is optimized for a thick disk, a light source irradiating light toward a disk through the objective lens; a photo detector for detecting light reflected from the disk, and a beam splitter, disposed between the objective lens and the light source, for transmitting light from the light source toward the objective lens and for diffracting light reflected from the disks toward the photo detector; and a processing unit to process an information signal to control the incident light generated by the light source, and to process the detected light from the photodetector. Therefore, the optical pickup device can be used for both compact disks (CDs) that are thick using light beam passing the near and intermediate regions of said objective lens, and digital video disks (DVDs) that are thin using light beam passing the near and far axis regions of said objective lens, and detect signals without picking up noise regardless of the thickness of the disk.

Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses

A lens system and a photographing apparatus including the lens system are provided, the lens system including a first sub lens system that includes a plurality of lens groups, and a second sub lens system that includes a replacement lens group that replaces or is replaced by some of the plurality of lens groups.

Lens system and photographing apparatus having the same

A method of compensating for vibration and an imaging apparatus are provided. The method of compensating for vibration includes determining whether a vibration compensation starting condition is satisfied, and starting compensating for vibration prior to operating a shutter, if the vibration compensation starting condition is satisfied. Accordingly, a shutter lag is reduced and power consumption is reduced, and accuracy of vibration compensation is improved.

Method for compensating for vibration and imaging apparatus using the same

An image stabilizing apparatus may include a fixing member disposed to a lens assembly having a through hole of which a center coincides with an optical axis of the lens assembly, a moving member disposed to move perpendicular to the optical axis with respect to the fixing member having a lens holder projecting in a direction of the optical axis to hold a compensating lens, a driving portion causing the moving member to move in a first direction perpendicular to the optical axis and in a second direction perpendicular to the optical axis and the first direction, four position determining portions formed in the first direction and the second direction on an outer circumferential surface of the lens holder of the moving member, and four stoppers projecting from an outer circumferential surface of the through hole of the fixing member to the moving member.

Image stabilizing apparatus and image pickup apparatus having the same

A projection-type image display apparatus having a structure adapted so that the efficiency of the use of light and resolving power thereof can be enhanced. The projection-type image display apparatus includes a light source; a color separation unit separating incident rays according to predetermined wavelengths, and directing the separated rays at different angles; a lens array dividing the rays separated by the color separation unit into predetermined pixels; a driving portion driving the lens array to change the proceeding paths of the color rays; a polarizing beam splitter changing a proceeding path of incident rays depending on a direction of polarization; a reflection-type display device producing a color image using the rays entering via the polarizing beam splitter, and reflecting the color image toward the polarizing beam splitter; and a projection lens unit magnifying and projecting an incident image onto a screen. In addition, the projection-type image display apparatus may comprise. Alternative designs include a transmission-type display device in place of the reflection-type display device and a deflector changing the proceeding paths of the individual color rays separated by the color separation unit instead of the driving portion.

Projection-type image display apparatus and method

A zoom optical system including a first lens group including a plastic aspherical lens and having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power, wherein the first lens group, the second lens group and the third lens group are arrange sequentially from an object side to an image side, and wherein the plastic aspherical lens satisfies the following Inequality:0&#x2266;(21&#x2212;22)&#x2266;0.04,

Compact zoom optical system

An optical pickup apparatus compatible with at least two types of optical recording media, using light beams having respective different wavelengths for recording and reading information, the optical pickup apparatus including two laser light sources to emit light beams having the different wavelengths, a holographic lens including a holographic ring to transmit the light beams incident in an inner region of the holographic ring, and to diffract a specific light beam among the light beams emitted from the laser light sources incident in an outer region relative to the inner region, an objective lens to focus the light beams passed through the holographic ring lens on the respective information recording surfaces of the two types of the optical recording media, optical elements to alter optical paths of the light beams reflected from the information recording surfaces of the optical recording media to corresponding photodetectors.

Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens

A unit to remove crosstalk in a multi-layered disk, an optical pickup including the unit, and an optical recording and/or reproducing apparatus including the optical pickup, of which the optical pickup includes: a light source; an optical path changer to change the path of light emitted from the light source; a unit to remove crosstalk; an objective lens to focus incident light on a disk; and a photodetector detecting light reflected by the disk such that the unit to remove crosstalk separates light reflected by a target recording layer of the disk from light reflected by adjacent recording layers so that the light reflected by the target recording layer and the light reflected by the adjacent recording layers do not overlap on the photodetector.

Unit to remove crosstalk in multi-layered disk, optical pickup including the unit, and optical recording and/or reproducing apparatus including the optical pickup

An optical pickup device according to an embodiment of the present invention comprises a light source for projecting a beam of light to record and reproduce information with respect to an optical recording medium. A collimating lens is disposed on a path of the light to converge and convert the light into a parallel beam. An object lens condenses the parallel beam from the collimating lens and projects the parallel beam onto the optical recording medium. An optical element is disposed between the collimating lens and the object lens. A first actuator moves the collimating lens along the optical axis to thereby control a distance between the collimating lens and the optical element. A first controller drives the first actuator to find a position for the collimating lens, for reducing aberration generated in the light being projected to the optical recording medium. Accordingly, the aberration can be effectively prevented, thereby improving recording and reproducing performance of the optical pickup device.

Optical pick-up device

An optical pickup which is compatible with different types of media is disclosed. A plurality of light sources emit light with different wavelengths. Light path changers change the path of light emitted by the plurality of light sources so that the light is incident upon an objective lens. The objective lens focuses the incident light onto a recording medium. A collimating lens is disposed in front of the objective lens to collimate the incident lights. The collimating lens is movable to correct a spherical aberration. A diffractive optical element is disposed in a path of a light with a short wavelength and has a diffractive surface to correct a chromatic aberration.

Optical pickup which is compatible with multiple types of media

An optical pickup apparatus according to an embodiment of the present invention, comprises an optical unit for projecting a plurality of wavelengths of light, the light including a celadon light, toward a recording medium and receiving the light reflected from the recording medium to thereby detect an information signal and an error signal, and a compatible objective lens for focusing a light projected from the optical unit to thereby form an optical spot on a recording surface of the recording medium and applying at least three light having different wavelength ranges to be compatibly used for both the high-density and the low-density recording mediums. Accordingly, the optical pickup apparatus is capable of compatibly employing a high-density recording medium, which uses a celadon light and is slimmer than a digital versatile disc (DVD), and at least one low-density recording medium.

Optical pickup apparatus

An optical recording/reproducing apparatus including a plurality of light sources emitting lights with different wavelengths for use in recording/reproducing information onto/from various types of optical recording media of different recording densities, in which at least two lights emitted from the light sources have polarization components orthogonal to each other; an objective lens for focusing a light from each of the light sources to a corresponding optical recording medium; a collimating lens disposed between the light sources and the objective lens for collimating lights from the light sources; a hologram element installed between the collimating lens and the objective lens for refracting a light emitted from one of the light sources, in which the light to be refracted is selected by wavelength and polarization components; and a photodetector receiving a light that is reflected from the corresponding optical recording medium after being focused by the objective lens.

Optical recording/reproducing apparatus capable of recording/reproducing information onto/from various types of optical recording media of different recording densities and different thicknesses

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Seoul, South Korea

Jang-hoon Yoo