baber/WOPTO huggingface dataset:
Patent KR-20050009892-A (KR)
Inventor: LEE SANG BAE
IPC: G01N1/00
Filed: 2003-07-18
Abstract: PURPOSE: An apparatus for automatically arranging thick plate specimen is provided to previously prevent an accident by quickly and exactly arranging specimens in a box. CONSTITUTION: An apparatus for automatically arranging thick plate specimens includes a specimen carrying part, a specimen driving part, and a specimen receiving part. The specimen carrying part includes a carriage and a specimen bed. The carriage is partially opened. The specimen bed moves in up and down directions through the opened hole. The specimen driving part includes a bracket(16), a rack gear(15), and a screw gear(14). The bracket(16) rotates around the center pin by a stopper. The rack gear(15) is connected to the bracket(16) by a coupling pin(24). The screw gear(14) is connected to the rack gear(15) and is positioned at the specimen bed. The specimen receiving part includes a roller table and a specimen box. The roller table conveys a specimen received by the specimen bed.
Patent KR-20050010267-A (KR)
Inventor: CHOI IN HO
IPC: H01L21/3065
Filed: 2003-07-18
Abstract: PURPOSE: An etching apparatus is provided to supply uniformly a process gas into the etching apparatus itself by using an enhanced gas spraying part. CONSTITUTION: An etching apparatus includes a gas spraying part. The gas spraying part includes a gas supply portion, a protrusive portion, a first gas distributing portion and a second gas distributing portion. The gas supply portion(22) includes at least one gas supply hole(221). The first gas distributing portion(23) includes a plurality of first gas distributing holes(231). The protrusive portion(26) is protruded from the first gas distributing portion toward the gas supply portion. The second gas distributing portion(24) with a plurality of second gas distributing holes(241) is spaced apart from the first gas distributing portion.
Patent KR-20050012322-A (KR)
Inventor: CHO DONG WOOK
IPC: G06F17/00
Filed: 2003-07-25
Abstract: PURPOSE: A method for preventing illegal duplication by issuing a software license with unique information of a system through the Internet is provided to allow only formal user to install and use the software and stably use the software even if change is generated in a computer system after installation. CONSTITUTION: A user system transmits the unique information of the system, a software serial number, and personal information to a license issuance server. The server checks that the serial number is valid by inquiring of a database server. If the serial number is valid, the server generates/transmits the license to the user system, and stores the license and the unique system to the database. If the serial number is invalid and is previously registered, and the unique information is disagreed, the new serial number is transmitted to a mobile phone of the user. If the new serial number is inputted from the user, the new license is generated/transmitted to the user system, and the new license and the changed unique information are stored at the database.
Patent KR-20050014113-A (KR)
Inventor: SUNG IN SUP
IPC: A45D20/06
Filed: 2003-07-30
Abstract: PURPOSE: A gas hair-drier is provided to improve the combustion efficiency by supplying the enough amount of a second air for combustion into a combustion cylinder which is installed in the central inside of the main body. CONSTITUTION: The gas hair-drier includes: a cylindrical main body(11) in whose rear lower end a grip(12) is arranged, in whose rear inside part a DC-electric motor(13) and a blower fan(14) are installed, and whose front is opened; a gas supply tube(15), whose front end is inserted into the rear portion of the main body(11); a combustion cylinder(16), having a heating net(21) on its inner circumference and installed in the central inside of the main body(11); a gas cylinder(17) and a battery(18), arranged inside the grip(12); a gas ignition button(19) and a blower-fan operating switch(20), installed in the front of the grip(12); more than at least one combustion air supply tube(22), arranged in the rear of the combustion cylinder(16).
Patent KR-20050014328-A (KR)
Inventor: AN JOON BUM
IPC: H04B1/38
Filed: 2003-07-30
Abstract: PURPOSE: A switching magnet frame for a cover rotator cellular phone is provided to prevent a cellular phone function from being wrongly operated when a cover is covered in forward or reverse position, thereby more stably operating a cover rotator cellular phone. CONSTITUTION: A switching magnet frame(3) comprises as follows. A cylinder(31) is formed with a vertical partition wall(311), and comprises front/rear magnet insertion spaces(312,313) where front and rear parts are open, respectively. A front magnet(32) is inserted into the front magnet insertion space(312), and sends a magnetic force to one-sided magnet sensor. A rear magnet(33) is inserted into the rear magnet insertion space(313), and sends a magnetic force to other-sided magnet sensor.
Patent KR-20040014239-A (KR)
Inventor: OTOSAKA TETSUYA
IPC: G02B6/02
Filed: 2003-08-01
Abstract: PURPOSE: To provide an optical fiber preform suited for the manufacture of an optical fiber suppressed in an increase in an OH peak near a wavelength of 1,385nm even when exposed to a hydrogen atmosphere, to provide a method for manufacturing the preform, and to provide an optical fiber obtained by drawing the preform. CONSTITUTION: The optical fiber preform is characterized in that in the regions inside and outside the region equivalent to twice the mode field diameter established when light at a wavelength of 1,385nm is propagated through an optical fiber obtained by drawing the preform, the maximum value Vo£log(poise)| of a viscosity distribution in the radial direction of the outside region at a temperature Ts is larger than 7.60 £log(poise)|, {wherein Ts is the temperature at which the maximum value of a viscosity distribution in the radial direction of the inside region is 7.60 £log(poise)|}.
Patent KR-20040034367-A (KR)
Inventor: HONDA MITSUTOSHI
IPC: G02F1/355
Filed: 2003-08-19
Abstract: PURPOSE: A nonlinear optical film, a nonlinear optical element using the same and an optical switch using the same to switch the path of an optical signal at high speed are provided to efficiently switch the path of the optical signal using the nonlinear optical film. CONSTITUTION: A refractive index of a nonlinear optical film(2) is changed by the strength of an incident light. An optical element has the nonlinear optical film, and switches a signal light to a plurality of paths. The nonlinear optical film has oxide crystal particles having a co-random type crystal structure, and an amorphous part which exists between the oxide crystal particles.
Patent KR-20050020429-A (KR)
Inventor: YUK CHUL MIN
IPC: H04B1/40
Filed: 2003-08-22
Abstract: PURPOSE: A lighting system using an LCD backlight of a mobile terminal is provided to allow a user to use an LCD backlight as a lighting by operating an LCD backlight up to a rated threshold value and deleting LCD display content. CONSTITUTION: An operation switch(10) indicates initiation or completion of a lighting. A brightness control switch(20) controls brightness. A controller(30) determines each operation of the switches(10,20) and provides a power control signal with a previously set different threshold value thereto. A power source unit(40) provides power to every electrical element of a mobile terminal. A backlight driving unit(50) receives the power control signal of the controller(30) and generates suitable backlight driving power from the power of the power source unit(40). A backlight(60) has a high-efficiency light emitter operated by the power provided from the backlight driving unit(50).
Patent KR-20030086456-A (KR)
Inventor: JEONG RYEONG GI
IPC: F24C3/12
Filed: 2003-08-27
Abstract: PURPOSE: A method is provided to allow for ease of control of the intensity of fire, while permitting a user to input conditions and time in accordance with the menu. CONSTITUTION: A method comprises a step(S1) of selecting a menu; a step(S2) of selecting a step key for setting the intensity of fire for the menu selected in the previous step; a step(S3) of selecting a fire intensity key and setting the intensity of fire corresponding to the step key selected in the previous step; a step(S4) of selecting a time key for setting an ignition time for the key selected in the previous step; a step(S5) of checking whether to convert to another step and judging whether to select another step key; a step(S6) of judging whether an ignition is performed or not; a step(S7) of cooking a foodstuff by controlling the intensity of fire in accordance with the steps defined by the menu key, and turning off the gas range; and a step(S8) of completing the process.
Patent KR-20040023539-A (KR)
Inventor: STEIMER PETER
IPC: H02J9/06
Filed: 2003-09-06
Abstract: PURPOSE: An apparatus for the voltage maintenance of an electrical AC voltage supply network is provided to enable a backup of the dropped voltage for a long period of time and to obtain particularly simple and cost-effective construction. CONSTITUTION: An apparatus comprises a partial converter system(2). The system includes a first branch pair(13) and a second branch pair(14) connected in parallel therewith and an electrical energy store(4) connected in parallel with the branch pairs. Each branch pair(13,14) is formed from two series-connected drivable power semiconductor switches with in each case a diode reverse-connected in parallel with each power semiconductor switch, and the junction point of the power semiconductor switches of the first branch pair(13) forming a first terminal(9) of the partial converter system(2). The partial converter system(2) has a third branch pair(3) formed from two series-connected drivable power semiconductor switches with in each case a diode reverse-connected in parallel with each power semiconductor switch. The third branch pair(3) is connected in parallel with the first and second branch pairs.
Patent KR-20050027446-A (KR)
Title: Manufacturing method of asphalt modifier with blowing agent and asphalt composition thereof
Inventor: CHUN MOON SEOK
IPC: C08J9/42
Filed: 2003-09-15
Abstract: Provided is a modified asphalt composition which uses a blowing agent to mix with high temperature asphalt or previously blows before mixing to increase porosity without changing molecular structure of an asphalt modifier, therefore it largely improves dissolving speed of asphalt to advance final physical properties. The production process of the asphalt modifier with the blowing agent comprises the steps of: (i) polymerizing two or more high molecular substances which are possibly vinyl aromatic hydrocarbon/conjugated diene copolymer; (ii) coupling the produced polymer; and (iii) projecting the coupled polymer. The content of the blowing agent is 0.1-10 phr and possibly selected from an inorganic blowing agent like sodium bicarbonate, ammonium carbonate or like or an organic agent like azo-dicarbonate, modified azo-dicarbonate, 4,4-oxybis(benzenesulfonyl hydrazide) or like.
Patent KR-20050027643-A (KR)
Title: Apparatus for snoring treatment
Inventor: LEE JONG GO
IPC: A61C19/00
Filed: 2003-09-16
Abstract: An apparatus for snoring treatment is provided to prevent people from snoring and comfortable rest and sound sleep. The apparatus for snoring treatment includes; a main portion of the apparatus(10) in which an airway expansion unit having a teeth placement unit(11) and a teeth support unit(12) to open one's temporomandibular joint is installed with itself contacted to an upper molar and a lower molar of teeth and a separation preventive unit having a upper wing portion(13) and a lower wing portion(14) which support sides of molars of the main portion of the apparatus(10) to prevent the main portion of the apparatus from being separated from the molars.
Patent KR-20050029519-A (KR)
Title: Sound system having function of controlling volume of each speaker
Inventor: KIM TAE HWAN
IPC: H04R3/00
Filed: 2003-09-23
Abstract: A sound system provided with a volume control function for automatically controlling the output of speaker and a method for controlling the volume are provided to maintain the well-balanced surround stereo presence and the immersion for the image. A sound system provided with a volume control function for automatically controlling the output of speaker includes a plurality of position measurement sensors(290-1 to 290-n), a reception unit(210), a volume level calculation unit(220) and an amplifying unit(270). The plurality of position measurement sensors(290-1 to 290-n) is attached to at least one speaker to measure the positions of the user. The reception unit(210) receives the measuring signal in response to the measuring result of the position measurement sensors(290-1 to 290-n). The volume level calculation unit(220) calculates the distance from each speaker to the user in response to the received measurement signal and calculates the output volume level of each speaker in response to the calculated distance. And, the amplifying unit(270) amplifies the volume of the voice signal processed by the voice signal process unit in response to the output volume level of each speaker.
Patent KR-20050029900-A (KR)
Title: Fusing apparatus for image forming apparatus
Inventor: CHO DUR KHYUN
IPC: G03G15/20
Filed: 2003-09-24
Abstract: A fusing apparatus of an image forming apparatus is provided to maintain a fusing nip between rollers constantly, thereby preventing print paper from being crumpled. A heating roller(30) is rotatably installed at a support frame(20). A pressure roller(40) is rotated with contact to the heating roller so as to have a fusing nip between the heating rollers. A rotating bracket(50), rotatably installed at the support frame, supports one of the pressure roller and the heating roller with being rotated in contact to the other. The first and second elastic members(61,63) opposite each other elastically pressures the rotating bracket, wherein the rotating bracket is placed between the first and second elastic members. With supporting the first and second elastic members, a guide member(70) guides movement of the rotating bracket. The first and second elastic members perform complementary operations of compression and expansion.
Patent KR-20050030352-A (KR)
Title: Condenser for a car air conditioning system
Inventor: OH KWANG HEON
IPC: B60H1/32
Filed: 2003-09-25
Abstract: A condenser for an air conditioning system of a vehicle is provided to improve a supercooling degree and heat dissipating performance of a supercooling area by changing a position of a connector pipe of which both ends are connected with a first or second header pipe and a receiver drier tank. An inlet pipe(112) and an outlet pipe(114) are mounted at a first header pipe or second header pipe(110,120). A position of the outlet pipe is decided on a supercooling area opposite to an outlet pipe(140c) of a receiver drier tank communicating the first or second header pipe with a receiver drier tank(130) according to a position rate calculated by the following expression P=Hr/Hsub, wherein Hsub indicates height of the supercooling area and Hr indicates height from a lower part of the header pipe to the outlet pipe of a receiver drier tank.
Patent KR-20040047559-A (KR)
Inventor: NAGAI HIROSHI
IPC: A01B69/02
Filed: 2003-09-26
Abstract: PURPOSE: An agriculture working vehicle is provided to reduce a power consumption when a drawing marker is shifted from a standing position to a descending position and to prevent damage of an operating portion of the drawing marker against an obstacle. CONSTITUTION: The agriculture working vehicle includes a drawing marker(80) for drawing a line on a surface soil, and an actuator actuating at either of a drawing position and a undrawing position above a vehicle body(2). The agriculture working vehicle includes a control unit for controlling the drawing marker. The drawing marker is shifted to the drawing position by the actuator. When the drawing marker interferes with an obstacle and thus is not shifted against the obstacle, the actuator is stopped. After a lapse of a certain time, the actuator is again operated.
Patent KR-20050032170-A (KR)
Inventor: PARK WAL SEO
IPC: F28F3/02
Filed: 2003-10-01
Abstract: A porous plate intersection type heat exchanger is provided to save energy by improving the heat efficiency and to improve the convenience for selecting a position for placing a heater by decreasing a surface temperature of a frame. A hollow cylinder and porous heat exchange plates(1) are alternately accumulated in an external frame(9). A contact plane(4) where the cylinder and the heat exchange plates meet has no holes. A compulsory circulation device is mounted at a low-temperature inlet(5) and a high-temperature inlet(7). If air and fluid flow into the low-temperature inlet, the air and fluid move to a low-temperature outlet(6). If air and fluid flow into the high-temperature inlet, the air and fluid move to a high-temperature outlet(8). The air and fluid exchange heat while moving. Direct heat absorption and heat dissipation are performed on a surface of the cylinder. The heat exchange plates intersecting a high-temperature part(10) and a low-temperature part(11) absorb heat at a high-temperature side and dissipate heat at a low-temperature side.
Patent KR-20040032753-A (KR)
Inventor: SHIMANO ATSUSHI
IPC: G10C1/04
Filed: 2003-10-06
Abstract: PURPOSE: A keyboard cover stopper of a keyboard instrument is provided to improve the stability by restricting the keyboard cover from being closed suddenly from vibration in opening. CONSTITUTION: A keyboard cover stopper(20) has a rear end supported and rotated around a pivot in opening and closing a keyboard cover(1), and stops the keyboard cover of a keyboard instrument in opening. The keyboard cover stopper is composed of a first stopper member(21) attached to the part of the keyboard instrument or the keyboard cover, and a second stopper member(22) attached to the other side of the keyboard instrument or the keyboard cover. The second stopper member is combined with an assembling part(23) of the first stopper member in opening the keyboard cover.
Patent KR-20050033261-A (KR)
Title: Bumper beam structure
Inventor: JEONG KWANG SUP
IPC: B60R19/02
Filed: 2003-10-06
Abstract: A structure for a bumper beam is provided to absorb shock at a collision, and to minimize damage and deformation of a vehicle body by installing a reinforcing member in a beam and forming a closed section of a stay. A bumper beam structure for absorbing shock at a collision is composed of a beam(10) installed horizontally to a vehicle and stays(40) mounted at both sides of the beam to absorb impact transmitted to a vehicle body. The beam is composed of a front side(11), and upper and lower parts(12,13) extended inward from the front side. A staple shaped reinforcing member(30) is composed of a protruded part(31) projected forward and upper and lower reinforcing parts(32,33) extended inward and combined with the upper and lower parts of the beam. The stay is formed of a hexahedron opened backward, and composed of a front stay side(41) attached to a rear part and upper, lower, left and right stay sides(42,43,44,45) integrally formed with the front stay side to form a closed section.
Patent KR-20050043075-A (KR)
Inventor: LEE KYUNG TAEK
IPC: H04M1/57
Filed: 2003-11-05
Abstract: 이동 통신 단말기에서 부재중 착신 횟수를 표시할 수 있는 방법이 제공된다. 이동 통신 단말기는 착신 신호를 수신하고 사용자가 전화 응답하지 아니하고 착신신호가 종료되면 부재중 전화 알림을 표시한다. 최종 통화 이후 부재중 기록이 없는 경우에는 수신번호의 부재중 착신횟수를 1로 설정하고 해당 수신 번호를 부재중 착신 리스트에 등록한다. 부재중 기록이 있으면 부재중 착신 리스트에 해당 수신번호가 있는지 판단한 후 해당 수신번호가 있으면 상기 수신번호의 부재중 착신 횟수를 증가시킨다. 부재중 착신 리스트에 해당 수신번호가 있으면 수신번호의 부재중 착신 횟수를 1로 설정하고 부재중 착신 리스트에 등록한다. 사용자의 요청에 의해 착발신 리스트를 표시할 때 수신번호의 부재중 착신 횟수를 기준으로 부재중 착신 횟수가 많은 것부터 표시할 수 있다. 따라서, 부재중에 온 급한 전화가 어떤 것인지를 쉽게 알 수 있다.
Patent KR-20050043382-A (KR)
Inventor: YANG MOON HO
IPC: F16D65/02
Filed: 2003-11-06
Abstract: 본 발명은 차량용 브레이크의 패드복귀장치에 관한 것으로, 제동 후 에어압(공압)을 이용해 브레이크 디스크로부터 패드를 이격시켜 초기 위치로 빠르게 디스크와의 드래그(Drag)를 방지함에 그 목적이 있다. 
     상기와 같은 목적을 달성하기 위한 본 발명은, 운전자가 조작하는 페달에 공급된 유압을 통해 브레이크디스크(2)를 정지시키는 캘리퍼(3)와, 이 캘리퍼(3)로 공급되는 유압라인(20')에 구비되어 공급되는 유압의 크기를 측정하는 압력센서(20), 상기 피스톤(4)에 결합된 패드브라켓(3')을 통해 패드(3)로 연통된 에어통로(40)를 개·폐하는 제어밸브(30), 상기 압력센서(20)로부터 유압의 공급여부를 확인해 제어밸브(30)를 제어하는 콘트롤러(10) 및 상기 제어밸브(30)에 에어라인(50')으로 연결되어 엔진에 의해 구동되어 공압을 형성하는 컴프레셔(50)로 이루어진 것을 특징으로 한다.
Patent KR-20050044096-A (KR)
Inventor: PARK SANG DON
IPC: B62D6/02
Filed: 2003-11-07
Abstract: 본 발명은 차량의 속도에 따라서 스티어링요크가 랙에 대해서 제공하는 가압력의 크기를 가변시켜 줄 수 있도록 함으로써, 정지나 저속 주행시에는 조타조작이 보다 용이하게 하고 직진 복원성을 향상시키며, 고속 주행시에는 보다 안정된 주행특성 및 주행감을 얻을 수 있도록 한다.
Patent KR-20050045286-A (KR)
Inventor: YOO JAE SEUNG
IPC: A61L2/24
Filed: 2003-11-11
Abstract: 본 발명은 조리실 종합위생 시스템에 관한 것으로, 더욱 상세하게는  단체급식소, 식품공장, 패스트프드점, 고속도로 휴게실과 같이 사람들이 빈번히 출입하여 오염원의 전파 및 전염, 식품의 부폐나 공중에 부유하는 부유균에 의한 오염의 가능성을 제어, 예방하기 위한 종합적 위생 시스템에 관한 것이다.
Patent KR-20050046039-A (KR)
Inventor: CHOI CHAN U
IPC: B60R22/00
Filed: 2003-11-13
Abstract: 본 발명은 안전벨트 착용여부 감지장치 및 이의 제조방법에 관한 것으로, 일측에 홀센서(8)가 삽입되는 가이드홈(42)이 형성되고, 타측에는 PCB기판(9)이 삽입되는 삽입공(44)이 형성된 하우징(4)을 사출하는 1공정(10)과; 상기 사출된 하우징(4)의 삽입공(44)에 PCB기판(9)을 삽입시키는 2공정(20)과; 상기 삽입공(44)에 핫멜트 접착제(6)를 충진 경화시키는 3공정(30)을; 포함하여 이루어짐으로써, 저온, 저압의 조건하에서 PCB기판을 고정시킬 수 있어 부품의 손상을 예방하고, 제조비용과 시간을 현저히 절감시킬 수 있다.
Patent KR-20050050940-A (KR)
Inventor: HAN TAI IN
IPC: E06B7/36
Filed: 2003-11-26
Abstract: 창문용 프레임(10)의 측부 프레임(100)의 일측면 양측에 형성되는 걸림턱(120)과, 상기 걸림턱에 의해 형성되는 삽입홈(121)과, 상기 삽입홈에 끼워져 결합되는 충격완충수단(200)으로 이루어지되, 상기 충격완충수단(200)은 중공(211)을 구비하는 몸체(210)와, 상기 몸체의 후방에 형성되어 삽입홈(121)에 끼워지는 걸림돌기(220)와, 상기 몸체의 전방에 형성되는 밀착돌기(230)로 구성되어진 손보호수단을 구비하는 창문용 프레임의 구조를 제공하기 위한 것으로, 본 발명은 창문용 측부프레임에 충격완충부재를 형성하므로써 손이 유리창에 끼어 다치는 것을 방지하고, 또한 상기 충격완충부재에는 중공을 구비하는 몸체 및 신축성이 있는 밀착돌기가 형성되어 있어 충격완화 및 방풍, 방충의 기능을 겸할 수도 있는 매우 유용한 발명인 것이다.
Patent KR-20050053169-A (KR)
Inventor: KIM HAK HWAN
IPC: H04B1/40
Filed: 2003-12-02
Abstract: 본 발명은 휴대용 단말기의 대기화면 표시방법에 있어서, 대기모드시 대기화면으로 디스플레이하고자 하는 소정개의 사용자 데이터를 설정하는 과정과; 대기모드인가를 판단하여 상기 대기모드이면 현재시간을 검출하여 그 현재시간에 해당하는 설정된 제1 사용자 데이터를 독출하여 대기화면으로 디스플레이하는 과정과; 상기 제1 사용자 데이터 디스플레이중, 상기 검출한 현재시간이 일정시간 경과하면 상기 제1 사용자 데이터에서 설정된 제2 사용자 데이터로 대기화면을 변환하여 디스플레이하는 과정으로 이루어진 것을 특징으로 한다.
Patent KR-20050054297-A (KR)
Inventor: LIM JONG SOON
IPC: B01D17/025
Filed: 2003-12-04
Abstract: 본 발명은 하수의 협잡물과 모래를 처리하는 오폐수 처리장치에 관한 것으로, 보다 상세하게는 간단한 구조로 대용량의 협잡물이 적절히 처리되면서 낙하되는 모래의 적층 면적이 현저히 증대되도록 하는 일체형 오폐수 전처리장치에 관한 것이다. 
     그 구성은 일측으로 유입구가 구비되고, 타측으로 상기 유입구보다 상대적으로 낮게 위치한 배출구가 구비되며, 하부에 대칭되게 경사면이 형성되는 케이스와; 상기 유입구를 통해 유입되는 하수에서 협잡물을 걸러내어 외부로 배출하는 협잡물배출부와; 협잡물이 걸러진 하수가 상기 케이스의 내부에서 배출구로 유동중에 모래가 낙하되고, 상기 케이스의 내부 하면에 낙하되어 적층되는 모래를 외부로 배출하는 모래배출부와; 상기 케이스의 내부로 모래의 적층 면적이 증대되도록 하는 모래적층면적증대부로 구성되는 것이다. 
     상기와 같은 일체형 오폐수 전처리장치를 제공함으로써, 제작 및 설치가 용이하고 소형화된 장치로 대용량의 처리가 가능해 지며 설비의 콤팩트화가 이루어지며 제작 및 설치비용이 현저히 절감되는 효과를 갖는다.
Patent KR-20050054324-A (KR)
Inventor: KIM BYUNG JIN
IPC: G11B7/0045
Filed: 2003-12-04
Abstract: 본 발명은 블루레이 디스크(BD)와 같은 고밀도 광디스크에서의 파일시스템 식별을 통한 기록재생방법 및 장치 에 관한 것으로, 광디스크는 파일시스템 정보를 기록하는 영역을 구비함과 아울러 상기 기록된 파일시스템의 종류를 인식할수 있는 식별정보를 기록하는 영역을 구비한 것을 특징으로 하며, 또한 상기 식별정보가 구비된 광디스크가 로딩되면, 광디스크내에 기록된 파일시스템 식별정보를 확인하는 단계와, 상기 확인결과 기록재생 가능한 파일시스템이 아니면 이를 표시하고, 기록재생 동작을 중지하는 단계를 포함하여 이루어진 기록재생방법을 특징으로 하며, 이를통해 광디스크와 광기록재생기간에 상이한 종류의 파일시스템을 적용하고 있는 경우라도, 치명적인 에러의 발생없이 광디스크의 효율적인 활용이 가능하게 되어, 사용자에게 더욱 편리한 기능을 제공하게 되는 장점이 있다 할 것이다.
Patent KR-20040053794-A (KR)
Inventor: TAKEMI MASAYOSHI
IPC: H01S5/22
Filed: 2003-12-05
Abstract: PURPOSE: A semiconductor laser device and a manufacturing method thereof are provided to enhance the light emitting output and the light emitting efficiency by preventing diffusion of a p-type dopant into an active layer and a p-type cladding layer. CONSTITUTION: A semiconductor laser device includes an active layer, a p-type cladding layer, and a p-type cap layer. The p-type cladding layer(2) is formed on the active layer(3). The p-type cap layer(1) is formed on the p-type cladding layer. The p-type cap layer includes both a p-type dopant and an n-type dopant. A stacked structure is formed by laminating the active layer, the p-type cladding layer, and the p-type cap layer, sequentially.