baber/WOPTO huggingface dataset:
Patent KR-20140026477-A (KR)
Inventor: LIU YONG
IPC: H04W52/02
Filed: 2012-04-18
Abstract: 제1 무선 통신 디바이스의 네트워크 인터페이스를 저전력 상태로부터 활동 상태로 이행시킨 후에, 제2 무선 통신 디바이스에서 버퍼링되는 제1 무선 통신 디바이스에 대한 데이터를 송신하라는 제2 무선 통신 디바이스에 대한 요청을 송신한다. 제2 무선 통신 디바이스에서 버퍼링된 제1 무선 통신 디바이스에 대한 데이터가 있는지의 표시가 수신된다. 제2 무선 통신 디바이스에서 버퍼링된 제1 무선 통신 디바이스에 대한 데이터가 있다면, 제2 무선 통신 디바이스에서 버퍼링되었던 제1 무선 통신 디바이스에 대한 데이터는 제2 무선 통신 디바이스로부터 수신된다.
Patent KR-20140023359-A (KR)
Inventor: YAO ISOJI
IPC: A45D20/12
Filed: 2012-02-16
Abstract: 두발의 과건조를 방지하는 것이 가능한 드라이어를 제공한다.  외부로부터 공기를 도입하기 위한 도입구(21) 및 외부로 공기를 불어내기 위한 분출구(22)가 형성된 케이싱(2)과, 케이싱(2) 내에 설치되어, 도입구(21)로부터 공기를 도입하고, 또한, 그 공기를 분출구(22)에 보내는 송풍기(3)와, 케이싱(2) 내에 설치되어, 분출구(22)에 보내어지는 공기를 가열하는 가열기(4)와, 케이싱(2)의 외부에 설치되어, 증기를 발생시키는 증기 발생기(9)와, 케이싱(2) 내에 설치되는 것과 함께, 연결관(8)을 통하여 증기 발생기(9)와 연결되어 있으며, 연결관(8)으로부터 보내어져 온 증기를 가열하는 증기 가열 수단(6)과, 증기 가열 수단(6)에 의해 가열된 증기를 분출구(22)에 보내는 증기 도관(7)을 구비하는 드라이어(1).
Patent KR-20140010454-A (KR)
Inventor: TAKADATE KINSHIRO
IPC: H01F1/153
Filed: 2012-07-26
Abstract: 특히, 유리 전이점 (Tg) 을 갖고 또한 높은 포화 자속 밀도 (Bs) 를 얻는 것이 가능한 Fe 기 비정질 합금, 및 Fe 기 비정질 합금 분말을 사용한 압분 자심을 제공하기 위해, 본 발명의 Fe 기 비정질 합금은, 조성식이, (Fe 100-a-b-c-d-e Cr a P b C c B d Si e  (a, b, c, d, e 는 at％)) 로 나타내어지고, 0 at％ ≤ a ≤ 1.9 at％, 1.7 at％ ≤ b ≤ 8.0 at％, 0 at％ ≤ e ≤ 1.0 at％ 이고, Fe 의 조성비 (100-a-b-c-d-e) 는 77 at％ 이상이고, 19 at％ ≤ b+c+d+e ≤ 21.1 at％ 이고, 0.08 ≤ b/(b+c+d) ≤ 0.43 이고, 0.06 ≤ c/(c+d) ≤ 0.87 이고, 유리 전이점 (Tg) 을 갖는 것을 특징으로 한다.
Patent KR-20140145960-A (KR)
Title: 나일론 중합체 및 방법
Inventor: RAJENDRAN GURUSAMY
IPC: C08G69/08
Filed: 2012-10-09
Abstract: 오메가-말단 지방산 또는 지방산 에스테르를 펜텐니트릴과 접촉시켜 니트릴-관능화된 불포화 지방산 또는 지방산 에스테르를 생성하는 단계, 니트릴-관능화된 불포화 지방산 또는 지방산 에스테르를 수소화 촉매의 존재하에 수소를 이용하여 수소화하여 포화 아미노산을 생성하는 단계, 및 포화 아미노산을 폴리아미드화(polyamidation) 처리하여 나일론 중합체를 생성하는 단계를 포함하는 나일론 중합체 제조 방법이 제공된다.
Patent KR-20140041552-A (KR)
Inventor: LIN CHUN
IPC: C09K11/06
Filed: 2012-06-06
Abstract: 본 발명은 2종 이상의 상이한 카르벤 리간드를 함유하는 신규한 헤테로렙틱 이리듐 카르벤 착물을 제공한다. 카르벤 리간드의 선택적 치환은 각종 OLED 디바이스에 사용하기에 적절한 인광 화합물을 제공한다.
Patent KR-20140006110-A (KR)
Inventor: MASUDA MASATO
IPC: D01D5/36
Filed: 2012-06-12
Abstract: 섬유축과 수직 방향의 섬유 단면에 도성분과 그것을 둘러싸도록 배치된 해성분으로 이루어지는 해도 복합 섬유에 있어서, 복합 단면이 매우 균질성이며, 후가공 통과성 등이 우수한 해도 복합 섬유를 제공한다. 해도 복합 섬유에 있어서 도성분 지름이 10~1000㎚의 범위이며, 도성분 지름 편차가 1.0~20.0%, 이형도가 1.00~1.10 및 이형도 편차가 1.0~10.0%인 것을 특징으로 하는 해도 복합 섬유이다.
Patent KR-20140043093-A (KR)
Inventor: MACDONALD MICHAEL P
IPC: E01C19/28
Filed: 2011-05-20
Abstract: 본 발명은 표면 콤팩터 및 표면 콤팩터를 작동하는 방법에 관한 것이다. 표면 콤팩터에 기질을 다지기 위한 적어도 하나의 다짐 표면 및 기질의 다짐률을 증가시키기 위하여 다짐 동안에 적어도 하나의 다짐 표면을 진동시키는 실질적으로 방형파 진동 변위 또는 힘을 발생시키는 가진 시스템을 포함한다.
Patent KR-20140031334-A (KR)
Inventor: SCHNABEL GERHARD
IPC: A01N25/30
Filed: 2012-05-21
Abstract: 본 발명은 수-불용성 살충제 및 알콕실화 폴리알킬렌이민을 포함하는 조성물에 관한 것이다.  본 발명은 또한 이러한 조성물의 제조 방법; 농약 활성 물질을 분산시키기 위한 이러한 조성물의 용도; 조성물을 각각의 해충, 그의 서식지 또는 각각의 해충으로부터 보호되어야 할 작물, 토양 및/또는 원치않는 식물 및/또는 작물 및/또는 그의 서식지에 대해 작용시키는, 식물병원성 진균 및/또는 원치않는 식물 성장 및/또는 원치않는 곤충 또는 진드기의 공격을 방제하고/하거나 식물의 성장을 조절하는 방법; 및 또한 조성물을 포함하는 종자에 관한 것이다.
Patent KR-20150080389-A (KR)
Title: 인터넷 기반의 고위험 사업을 위한 민주적 자본시장시스템 및 운영방법
Inventor: LEE JUNG IL
IPC: G06Q40/06
Filed: 2014-01-01
Abstract: 일반적으로 낮은 제품완성도와 낮은 소비자인지도 및 이로 인한 매출부진과 자금조달의 어려움으로 인하여 사업성공율이 극히 낮은, 고위험 벤처기업의 창업, 새로운 기술의 사업화, 새로운 상품의 출시와 같은 투자손실위험이 높은 고위험사업의 문제점을 소비자들의 저위험투자로 쉽게 해결할 수 있는 시스템을 쉽게 구축할 수 있게 함으로서, 사업자로서는 좋은 사업모델을 소유하면 명성과 돈과 인맥 및 협력기업이 없어도 쉽게 사업을 성공하게 되고, 소비자는 누구나 저위험부담으로도 고위험사업에 참여하여 높은 투자수익을 쉽게 얻게 하는 고위험사업을 위한 민주적 자본시장 기능을 수행하는 전자상거래시스템의 구축기술과 이용기술이다.
Patent KR-20150082712-A (KR)
Inventor: KIM JONG HAE
IPC: G06Q30/06
Filed: 2014-01-06
Abstract: The present invention relates to a T-commerce home shopping system using a digital TV receiver and, more specifically, to a global T-commerce system, capable of making a purchase by searching the newest digital catalogue file through a TV monitor by setting the automatic repetition of deletion and memorization in order to store the newest file while deleting the first memorized file by connecting a terminal with a TV receiver and transmitting a large digital catalogue file to the terminal through a TV broadcasting network. A downward signal transmitting the catalogue file to the terminal is formed as a directional TV broadcasting signal and an upper signal between the terminal and a hope shopping service provider computer is formed as a data communication unit using a near field communication network between the terminal and a mobile phone, and therefore, if TV reception is possible, an effective global T-commerce system, enabling home shopping everywhere in the world, is provided and a system, supplying e-book files, renting videos, and delivering newspapers online to the world, is provided. Moreover, as a WIFI function is additionally formed in a T-commerce terminal of the present invention, an economical and convenient system, forming a smart TV function and an interphone connection function besides the T-commerce function with one terminal, is provided.
Patent KR-20140128222-A (KR)
Inventor: SAITO TAKESHI
IPC: G02B5/30
Filed: 2014-01-24
Abstract: The present invention relates to a manufacturing method of a polarizing film which can enhance the adhesive performance of an adhesive layer between a polarizer and a transparent protection film while preventing the polarizing film from curling. The method includes: a coating step of coating an active energy ray-curable adhesive agent composition on at least one surface on the polarizer, a first transparent protection film, or a second transparent protection film; an attachment step of attaching the polarizer and the first transparent protection film and bonding the polarizer and the second transparent protection film; and a bonding step of emitting an energy ray to the first transparent protection film then to the second transparent protection film to arrange the adhesive layer by hardening the energy ray-curable adhesive agent composition to bond the polarizer, first transparent protection film, and the second transparent protection film.
Patent KR-20150089851-A (KR)
Inventor: KIM YOUNG HWA
IPC: G06Q50/02
Filed: 2014-01-28
Abstract: The present invention relates to a confusion technology using information and communication technology (ITC) for controlling pressure of a large consumer and controlling optimum operation and management of a pump, which comprises: a step of blending water of a multi-water resource installed in each of a plurality of areas to form an undercurrent; a step of purifying raw water, which has an undercurrent blended in a water platform for each area, in a water treatment facility installed in each area; a step of supplying treated water, which is treated in the water treatment facility for each area, to a water reservoir for each area; a step of distributing and supplying the water through a connection waterway network connecting the water treatment facility or the water reservoir with a water reservoir or a water treatment facility of another area; a treated water quality monitoring step of measuring water quality of collected water in the multi-water source, water quality of the raw water introduced into the water treatment facility, and water qualify of the treated water discharged from the water treatment facility; a treated water amount monitoring step of monitoring the amount of water including the amount of collected water of the multi-water source and the amount of water supplied to the water reservoir according to each area; and a step of performing a control operation such that the treated water, which is treated by collecting water from the multi-water source of each area in accordance with a dynamic control process formed through modeling based on information regarding the processing capacity and operating energy of each of the water platforms, the water treatment facility, the connection waterway network, the water reservoir, the pumping capacity of a transport pump, and energy consumption rate, is distributed and supplied through the connection waterway network.
Patent KR-20140100903-A (KR)
Inventor: KITANI YUKARI
IPC: H01L51/56
Filed: 2014-02-06
Abstract: The present invention is to provide an apparatus or a method for manufacturing an organic EL device capable of forming a high-definition pixel with a proper position, a size, and a shape. The method of the present invention includes the steps of applying a predetermined first magnetic field strength on a mask of a magnetic body to adhere a mask to a substrate to be deposited; adhering the mask to the substrate to be deposited with a second magnetic field strength stronger than the first magnetic field strength after a lapse of a predetermined time; and depositing a deposition material to the substrate to be deposited through the mask in a vacuum state.
Patent KR-20150092893-A (KR)
Inventor: YOON HEE JONG
IPC: F21V17/00
Filed: 2014-02-06
Abstract: The present invention relates to a device for changing a three-wavelength lamp which includes a support stand (110) which is fixed by increasing or decreasing the length thereof, and a lamp guide part (120) which combines a support bar (125) on the upper side of the support stand (110), erectly combines a guide coil (121) on the upper side of the support bar (125), and includes a fixing bar (122) which is horizontally formed on the center of the upper side of the guide coil (121). The present invention, thereby, efficiently replaces the three-wavelength lamp by completely and safely separating or combining the three-wavelength lamp installed in a high position, prevents the three-wavelength lamp from being damaged by efficiently absorbing impact energy even though a collision is generated in a replacement process, and safely and accurately performs the replacement process by the elasticity of the guide coil.
Patent KR-20140104378-A (KR)
Inventor: SAKURAI ATSUSHI
IPC: H02J7/02
Filed: 2014-02-19
Abstract: 역접속된 경우에도 회로 동작상 의도하지 않은 전류가 흐르는 것을 방지하여, 보다 안전성이 높은 반도체 장치를 제공한다.   
제1 트랜지스터와, 드레인이 제1 트랜지스터의 드레인에 접속되고, 소스 및 백 게이트가 제1 트랜지스터의 백 게이트에 접속되며, 게이트가 제1 트랜지스터의 소스에 접속된 제2 트랜지스터와, 드레인이 제1 트랜지스터의 소스에 접속되고, 소스 및 백 게이트가 제1 트랜지스터의 백 게이트에 접속되며, 게이트가 제1 트랜지스터의 드레인에 접속된 제３ 트랜지스터를 구비한 스위치 회로를 가지는 반도체 장치.
Patent KR-20150098464-A (KR)
Inventor: MOON KYUNG JIN
IPC: G06F3/048
Filed: 2014-02-20
Abstract: Disclosed in the present invention are a mobile terminal which can notice around that a user is in an urgent situation by flickering a flash, and a control method thereof. The mobile terminal for the same comprises a flash for lighting; a display part for displaying information; and a control part when getting into an emergency distress mode, controlling so that the flash flickers, or controlling so that at least one among brightness of the display part and output color of the display part is repeatedly changed.
Patent KR-20150103555-A (KR)
Inventor: LEE JOO HYUNG
IPC: E21B17/07
Filed: 2014-03-03
Abstract: A noise reduction structure of an excavator comprises a boom connected to a rotator; an arm connected to the boom to be rotated; and a noise reduction member arranged on a part where a maximum displacement generates by movement of the arm inside the arm, thereby reducing the noise caused by the movement of the arm. The noise caused by the movement of the arm is reduced. Finally, the noise stress applied to a worker is reduced.
Patent KR-20150104407-A (KR)
Inventor: LEE DAL JAE
IPC: G09F9/00
Filed: 2014-03-05
Abstract: The present invention provides a foldable display apparatus to minimize stress applied to a bending area of a display panel. According to the present invention, the foldable display apparatus comprises: a display panel including a display area composed of a first display area, a second display area, and a bending area which is defined between the first and second display areas; a housing having a first housing member which supports a first area of the display panel corresponding to the first display area, and having a second housing member which supports a second area of the display panel corresponding to the second display area; and a hinge portion enabling the display panel to be folded or unfolded with respect to the bending area by being connected between the first and second housing members. The hinge portion may comprise a curvature guide member which guides the bending area to be bent at a set curvature through a rotary motion.
Patent KR-20150105564-A (KR)
Inventor: KIM SANG GYUN
IPC: G02F1/1337
Filed: 2014-03-07
Abstract: The present invention relates to a liquid crystal display device allowing a uniform pretilt to be formed in the case of forming the pretilt of liquid crystal molecules, a method for manufacturing thereof, and an alignment layer composition included therein. A liquid crystal display device according to an embodiment of the present invention includes: a lower substrate, an upper substrate corresponding to the lower substrate, an alignment layer formed on the lower substrate and the upper substrate, and a liquid crystal layer interposed between the lower substrate and the upper substrate. The alignment layer includes: two or more polyimide-based monomers including a reactive mesogen and an alignment solvent. The alignment solvent includes: a first solvent for improving the solubility of a polymer, a second solvent for improving the spreadability, and a third solvent for reducing a vapor pressure of the alignment solvent, wherein content of the first solvent and the second solvent is 70 to 95 parts by weight of the total alignment solvent, and the vapor pressure of the alignment solvent at 90 degrees can be 10 to 20 mm Hg.
Patent KR-20140041655-A (KR)
Title: Semiconductor device and display device
Inventor: JINBO YASUHIRO
IPC: H01L27/12
Filed: 2014-03-10
Abstract: The present invention provides a method of manufacturing a flexible semiconductor device by delaminating an element manufactured by a process at a relatively low temperature (less than 500°C) from a substrate. A molybdenum layer on a glass substrate and an oxidation molybdenum layer thereon are formed by using an existing apparatus for manufacturing a large glass substrate. A non-metal inorganic layer and an organic compound layer are stacked on the oxidation molybdenum layer. The element manufactured by a process at a relatively low temperature (less than 500°C) is formed on the organic compound layer. Afterwards, the element is delaminated from the glass substrate.
Patent KR-20140057220-A (KR)
Title: Motion information generating apparatus and method using motion vector predictor index coding, and image encoding/decoding apparatus and method using the same
Inventor: SONG JIN HAN
IPC: H04N19/105
Filed: 2014-03-10
Abstract: Disclosed are an apparatus and a method for generating/reconstructing motion information based on a predicted motion vector index coding and an apparatus and a method for encoding/decoding an image using the same. The image encoding/decoding apparatus according to an embodiment of the present invention includes: an image encoder which, in a case where an inter-prediction about a current block is performed by using a reference frame, generates index information of a predicted motion vector of the current block based on the motion vectors of blocks around the current block and the motion vector of the same place block of the reference frame and generates and encodes motion information of the current block which includes reference frame index information and predicted motion vector index information with a difference motion vector which is generated by differentiating the predicted motion vector from the motion vector of the current block; and an image decoder which reconstructs the predicted motion vector based on the predicted motion vector index information, reconstructs the motion vector of an object block to be reconstructed by adding the reconstructed predicted motion vector to the difference motion vector, and reconstructs the object block based on the motion vector of the reconstructed object block.
Patent KR-20150108239-A (KR)
Inventor: NAM JEONG BEOM
IPC: H01L31/04
Filed: 2014-03-17
Abstract: According to the embodiment, a solar cell comprises: a semiconductor substrate; a conductive region including a first and a second conductive region positioned on one side of the semiconductor substrate; an electrode including a first electrode connected with the first conductive region, and a second electrode connected with the second conductive region; and a passivation film formed on the top of the conductive region, wherein the passivation film comprises at least one from silicon nitride and silicon carbide.
Patent KR-20140116820-A (KR)
Inventor: KOBAYASHI KAZUNORI
IPC: C22C21/00
Filed: 2014-03-24
Abstract: An objective of the present invention provides an Al-Mn based aluminum alloy sheet which can be used to manufacture a large-size rectangular battery case representing excellent formability in a press machining process, excellent continuous-wave type laser weldability, and high strength. The Al-Mn based aluminum alloy sheet according to the present invention contains 0.5-1.5 wt% of Mn, 0.4-1.2 wt% of Cu, less than 0.2 wt% of Mg, less than 0.6 wt% of Si, and less than 0.8 wt% of Fe. A Si/Fe weight ratio is less than 3.0, and a remainder of the Al-Mn based aluminum alloy sheet includes Al and inevitable impurities. O and H materials can be used to achieve the objective. Ti, B, Zr, Cr, and Zn constituting the inevitable impurities and additive elements are limited to less than 0.02 wt%, less than 20 ppm by weight, 0.15 wt% or less, 0.40 wt%, and 0.3 wt% or less, respectively.
Patent KR-20150111143-A (KR)
Inventor: KIM IN HWAN
IPC: C12P7/64
Filed: 2014-03-25
Abstract: The present invention relates to a method for collecting pinolenic acid from fatty acid in pine nut oil. The method includes: (1) a step for producing a residual fatty acid fraction of the fatty acid in the pine nut oil containing concentrated pinolenic acid, by mixing the pine nut oil, lauryl alcohol, Candida rugosa lipase, and distilled water, and carrying out esterification; (2) a step for separating the residual fatty acid fraction containing the concentrated pinolenic acid; (3) a step for concentrating the pinolenic acid from the residual fatty acid fraction by adding urea into the residual fatty acid fraction with the concentrated pinolenic acid; and (4) a step for extracting the concentrated pinolenic acids.
Patent KR-20150112609-A (KR)
Inventor: RYU CHOON JAE
IPC: F25C1/00
Filed: 2014-03-28
Abstract: A method to control an ice maker of the present invention comprises the following steps of: (a) supplying water to a first level in a water container; (b) operating a compressor; and (c) additionally supplying water to a second water level in the water container, while a temperature difference of a coolant in an outlet and an inlet of the evaporator is reduced into a certain value or less.
Patent KR-20150115589-A (KR)
Inventor: JEON BYUNG OK
IPC: A62B18/02
Filed: 2014-04-03
Abstract: The present invention relates to a mask for smooth breathing and, more specifically, to a mask which can promote health and be easily used by effectively removing fine dust or a heavy metal as allowing smooth breathing when wearing the mask and maintaining air tightness. The mask according to the present invention comprises: a mask pad where air is entered and discharged; an expiratory discharge groove formed in the mask pad to exhale; and an expiratory discharge hole installed in the expiratory discharge groove to exhale. Accordingly, since an exhalation is smoothly discharged as the expiratory discharge hole is open when exhaling and the expiratory discharge hole is closed when inhaling, the mask of the present invention can prevent an inflow of the fine dust and perform the smooth breathing. Therefore, though the mask pad is thick or filters are installed in layers, the mask of the present invention provides improved convenience of use with the smooth breathing, and can prevent a condensation phenomenon, which occurs on the glasses while walking or exercising, as a phenomenon that the air goes towards an upper portion of the mask can be prevented.
Patent KR-20150118430-A (KR)
Title: Oven and method for controlling the same
Inventor: KIM SEUNG HWAN
IPC: A23L5/10
Filed: 2014-04-14
Abstract: The present invention relates to an oven which may comprise: at least one heater arranged within a cooking chamber; a temperature sensor sensing the temperature of the cooking chamber at a predetermined cycle; and a control unit resetting on/off time of the heater with respect to each cycle based on predetermined target temperature, and current temperature and previous temperature of the cooking chamber sensed by the temperature sensor, and controlling the heater to be driven according to the reset on/off time. The oven and the control method thereof adjust on/off operations of the heater, thereby reducing a ripple phenomenon generated because of not maintaining the target temperature. Therefore, the present invention can reduce a temperature variation width while foods are cooked, accordingly enhancing cooking capability.
Patent KR-20150120036-A (KR)
Title: Chemically durable transparent silicate glass composition for low sintering temperature
Inventor: CHUNG WOO JIN
IPC: C03C3/078
Filed: 2014-04-16
Abstract: The present invention relates to a transparent silicate glass composition for low sintering temperature and, more specifically, to a transparent silicate glass material for low sintering temperature having excellent chemical durability, capable of using a color change member of a light emitting diode element by having various purposes, capable of being plastic in a low temperature. According to the present invention, a glass composition is changed at a low temperature of 500 to 600°C. The transparent silicate glass composition having chemical stability and product reliability is obtained without containing SnO, P_2O_5, and B_2O_3. The width of fluorescent substance selection can be extended by putting various fluorescent substances in the glass composition because the plastic temperature of the glass composition is low.
Patent KR-20140133438-A (KR)
Inventor: NAGAI HIROYUKI
IPC: C23C16/455
Filed: 2014-04-28
Abstract: Provided is an atomic layer deposition apparatus including: a sealable deposition chamber; a holding portion configured to hold a substrate including a deposition surface in the deposition chamber; a supply mechanism that includes an introduction portion connected to a gas supply source that supplies gas and is configured to supply gas introduced into the introduction portion to the deposition chamber from a position opposite of the deposition surface; and an exhaust mechanism that includes an exhaust portion connected to an exhaust mechanism capable of exhausting gas and is configured to exhaust the deposition chamber from a position opposite of the deposition surface.
Patent KR-20150046711-A (KR)
IPC: A47B95/04
Filed: 2014-05-08
Abstract: According to the present invention, a furniture board having improved productivity forms a structure wherein a wooden plate type base member and a decorative board corresponding to the front or back side of the base member are respectively fixated by an adhesive. The decorative board is made of a synthetic resin material having a three-dimensional pattern.
Patent KR-20150131480-A (KR)
Title: Method and apparatus for operating document viewer for mobile device
Inventor: CHO MIN JUNG
IPC: G06F3/00
Filed: 2014-05-15
Abstract: The present invention relates to adding a comment writing function in a document viewer to enable a comment to be recorded in an accurate region. According to one embodiment of the present invention, a method for inputting a comment to a document viewer includes the following steps: displaying a document on a touch screen by using the document viewer; receiving an input for a comment-writing command of the document viewer; receiving a touch input on the document displayed on the touch screen after receiving the input for the comment-writing command of the document viewer; and displaying a pointer for writing a comment, in response to the touch input.