baber/WOPTO huggingface dataset:
Patent KR-20090031958-A (KR)
Title: Process for the preparation of racemic citalopram and/or s- or r-citalopram by separation of a mixture of r- and s-citalopram
Inventor: HUMBLE RIKKE EVA
IPC: C07B57/00
Filed: 2002-06-25
Abstract: The invention relates to a process for the preparation of racemic citalopram free base or an acid addition salt thereof and/or R- or S- citalopram as the free base or an acid addition salt thereof by separation of a mixture of R- and S-citalopram with more than 50% of one of the enantiomers into a fraction consisting of racemic citalopram and/or a fraction of S-citalopram or R-citalopram characterized in that i) citalopram is precipitated from a solvent as the free base or as an acid addition salt thereof; ii) the precipitate formed is separated from the mother liquor; iia) if the precipitate is crystalline it is optionally recrystallised one or more times to form racemic citalopram, and then optionally converted into an acid addition salt thereof; iib) if the precipitate is not crystalline, steps i) and ii) are optionally repeated until a crystalline precipitate is obtained and the crystalline precipitate is recrystallised one or more times to form racemic citalopram, and then optionally converted into an acid addition salt thereof; iii) the mother liquor is optionally subjected to further purification and S-citalopram or R-citalopram is isolated from the mother liquor and optionally converted into an acid addition salt thereof.
Patent KR-20090086206-A (KR)
Title: Sensor detection sensitivity setting device, printing device, packaging system, sensor detection sensitivity setting method and program
Inventor: NAKAGAKI YUJI
IPC: B65B41/00
Filed: 2008-06-06
Abstract: A controller to control a cashier mark sensor stores cashier mark setting (239) indicative of a setting value of the detection sensitivity of the cashier mark sensor made to correspond to a bar code number (231) at a memory unit. When the controller receives the bar code number (231) from a bar code reader, the controller reads out the cashier mark setting (239) corresponding to the received bar code number (231). Further, the controller sets the detection sensitivity corresponding to the read cashier mark setting (239) to the cashier mark sensor. ® KIPO & WIPO 2009
Patent KR-20090068386-A (KR)
Title: Prevention and treatment of amyloidogenic disease
Inventor: SCHENK DALE B
IPC: A61K39/00
Filed: 2000-05-26
Abstract: The invention provides improved agents and methods for treatment of diseases associated with amyloid deposits of Abeta in the brain of a patient. Such methods entail administering agents that induce a beneficial immunogenic response against the amyloid deposit. The methods are useful for prophylactic and therapeutic treatment of Alzheimer's disease. Preferred agents including N-terminal fragments of Abeta and antibodies binding to the same.
Patent KR-20090085097-A (KR)
Title: Synthetic peptide amides and dimers thereof
Inventor: SCHTEINGART CLAUDIO D
IPC: C07K5/10
Filed: 2007-11-13
Abstract: The invention relates to synthetic peptide amide ligands of the kappa opioid receptor and particularly to agonists of the kappa opioid receptor that exhibit low P45O CYP inhibition and low penetration into the brain. The synthetic peptide amides of the invention conform to the structure: Pharmaceutical compositions containing these compounds are useful in the prophylaxis and treatment of pain and inflammation associated with a variety of diseases and conditions. Such treatable pain includes visceral pain, neuropathic pain and hyperalgesia. Inflammation associated with conditions such as IBD and IBS, ocular and otic inflammation, other disorders and conditions such as pruritis, edema, hyponatremia, hypokalemia, ileus, tussis and glaucoma are treatable or preventable with the pharmaceutical compositions of the invention. ® KIPO & WIPO 2009
Patent KR-20090096476-A (KR)
Title: Millimeter-wave communication stations with directional antennas and methods for fast link recovery
Inventor: LI GUOQING C
IPC: H04Q3/26
Filed: 2008-03-03
Abstract: Embodiments of millimeter-wave communication stations with directional antennas and methods for fast link recovery are generally described herein. Other embodiments may be described and claimed. In some embodiments, a transmitting station retransmits a packet in an adjacent direction when an acknowledgement is not received from a receiving station after a number of retransmission attempts. In other embodiments, a receiving station changes its reception to an adjacent direction when a packet is not received from a transmitting station after a number of missed reservations.
Patent KR-20090101220-A (KR)
Title: Condom holder
Inventor: FELITSYN ALEXANDER LEONIDOVICH
IPC: A61F6/02
Filed: 2007-12-26
Abstract: The condom holder according to the invention comprises fasteners for fixing the condom edge, and a connection between said fasteners; said connection at least partially being elastic, the holder at least partially defining a space in which the condom can be placed; the holder being adapted to change the shape of said connection between a first configuration in which said space is reduced, and a second configuration in which said space is expanded. In the first said configuration at least part of said connection is strained and tends to transform into the second configuration, and in the second configuration said strain is partially released. Due to the fact that the holder is elastic, the condom placed therein is automatically stretched as required, there is no need to control the force applied by the user. The condom can be put on using only one hand holding the holder. Further, the possibility of excessive or insufficient expansion of the holder is excluded.
Patent KR-20090102864-A (KR)
Title: Relief circuit
Inventor: WEINMEIER HARALD
IPC: H02M1/34
Filed: 2007-12-07
Abstract: The invention relates to a circuit arrangement for limiting excessive voltages by means of the forward delay time of a first diode (D1, D1'), which is successively switched in the locking direction and throughput direction by switching a circuit element (S1, S1'). The invention provides that the first diode (D1, D1') is series-connected to the first capacitor (C1, C1'), and a precharging circuit is provided for the first capacitor (C1, C1'), this circuit charging the first capacitor (C1, C1') while the first diode (D1, D1') is switched in the non-conducting direction. Preferably, the precharging circuit charges the first capacitor (C1, C1') more strongly than the excessive voltage of the first diode (D1, D1') with regard to the amount.
Patent KR-20100014878-A (KR)
Title: 2-5a analogs and their methods of use
Inventor: BEIGELMAN LEONID
IPC: A61P31/12
Filed: 2008-01-30
Abstract: This invention relates to the fields of organic chemistry, pharmaceutical chemistry, biochemistry, molecular biology and medicine. In particular it relates to compounds that activate RNaseL, and to the use of the compounds for treating and/or ameliorating a disease or a condition, such as a viral infection.
Patent KR-20100014914-A (KR)
Title: Photosensitive resin composition
Inventor: TANAKA RYUTARO
IPC: C08G73/10
Filed: 2008-04-07
Abstract: A positive photosensitive polyimide resin composition which comprises: a soluble polyimide resin (A) having phenolic hydroxy groups synthesized from a tetrabasic acid dianhydride (a), an aminophenol compound (b) having at least two amino groups and at least one phenolic hydroxy group per molecule, and a diamine compound (c); a positive-acting diazo photosensitizer (B); and an epoxy resin (C). The positive photosensitive polyimide resin composition can be easily patterned and satisfies various properties including flame retardancy, heat resistance, mechanical properties, and flexibility. This composition can be used to cope with the trend toward higher functions in various electronic appliances. Also provided is a cured object obtained from the resin composition.
Patent KR-20100014539-A (KR)
Title: Dicing and die attach adhesive
Inventor: LARSON ERIC G
IPC: C09J7/20
Filed: 2008-03-07
Abstract: Provided is a single layer adhesive that provides the appropriate balance of adhesion and clean release required for a wafer dicing function and also provides the necessary bond required in a subsequent die attach step. The adhesive composition comprises an acrylate ester polymer having a functional group, a multi-functional thermosetting resin, wherein the acrylate ester polymer and the thermosetting resin are capable of reacting with each other, a multi-functional acrylate ester, an acrylate ester polymerization catalyst or curing agent, a thermally-latent catalyst suitable for curing the multi-functional thermosetting resin, and an acrylic acid salt.
Patent KR-20090115878-A (KR)
Title: A LED and LED lamp
Inventor: GE SHICHAO
IPC: F21K99/00
Filed: 2002-12-30
Abstract: The invention relates a LED and LED lamp. The LED includes at least a LED chip installed on a base having high heat conductivity, said LED chip is electrically connected to a power source through a circuit board, in upward side of said LED chip there is a transparent medium, the upper surface of said base is a light - reflecting plane or a light -reflecting plane is located around the base. Said LED is characterized in that said circuit board is installed in upward side of the base or around the base. Said LED also includes a radiator directly mechanically connected to the base by a screw rod or screw hole located in the center on the lower surface of the base. A LED lamp may be formed in such way that said LED is electrically connected to a drive circuit by its leading-out wires, then said drive circuit is connected to an electric connector by its shell, and then in this way formed assembly is inclosed in a transparent bulb. The LED has high efficiency, large power and long life, and is used for fabricating LED traffic lamp, LED plane ligh source,and so on.
Patent KR-20100014614-A (KR)
Title: Combination therapy, composition and methods for the treatment of cardiovascular disorders
Inventor: BAR TANA JACOB
IPC: A61P9/10
Filed: 2008-02-26
Abstract: The present invention relates to a combination therapy for the treatment of cardiovascular disorders. More particularly, the invention relates to compositions combining long-chain optionally substituted amphipatic carboxylates (known as MEDICA drugs) and particularly, M16EE, M16FF and M18GG, with HMG-CoA reductase inhibitors (known as statins). The compositions of the invention may particularly be used for the treatment of cardiovascular disorders, for elevating HDL-cholesterol levels, decreasing non-HDL-cholesterol and particularly triglycerides, and decreasing insulin resistance in a subject suffering from Metabolic Syndrom or cardiovascular disorders. The invention further provides methods of treatment of such disorders using these combined compositions.
Patent KR-20100015589-A (KR)
Title: Sorbent canister with beveled edges
Inventor: DEFEDERICIS ALLEN
IPC: B65B51/10
Filed: 2008-03-19
Abstract: A sorbent canister having a hollow body and porous end caps fused to opposite ends of the hollow body includes beveled surfaces at the fused sites to aid in the dispensing of the canisters into product packaging.
Patent KR-20110039509-A (KR)
Inventor: EKSTROM JORGEN
IPC: F16L37/22
Filed: 2008-04-15
Abstract: 본 발명은 수형 부분(501) 및 암형 부분(502)을 포함하고, 바이패스 밸브(218)를 포함해서, 가압 유체가 암형 부분(502)을 통과하는 동안 암형 부분(502)이 수형 부분(501)으로부터 분리될 수 있는 동축 커플링에 관한 것이다. 수형 부분(501)의 니플 파이프(105)는 암형 부분의 내부 파이프(2) 내의 상기 뒤쪽 구멍들(301) 위에서 암형 부분(502) 내의 스프링 하중 밸브(218)를 민다. 니플 파이프 몸체(104)는 나선형 그루브들(100)을 가지고, 결합 및 핀들(213)의 회전을 통한 잠금 슬리브(207)의 회전과 동시에, 핀들(213)이 그루브들(100) 내로 미끄러질 때, 그루브들(100)의 벽들 내에 걸리고, 수형 부분의 니플 파이프 몸체(104)가 암형 부분(502) 내로 당겨지도록 하며, 내부 파이프(2)의 일단은 수형 부분의 릴리프 밸브(113)를 만나고, 릴리프 밸브(113)를 열며, 니플 파이프 몸체(104) 내의 밸브들(115, 122)의 계속된 개방 이전에 가압된 오일이 암형 부분(502)의 밸브에 의해서 해제된다. 
       
     동축 커플링, 커플링, 실링, 봉인, 실, 유압, 스프링
Patent KR-20100015844-A (KR)
Title: Swivel joint
Inventor: SENDAI TOMOKAZU
IPC: B25J19/00
Filed: 2008-05-14
Abstract: A swivel joint that is placed between a working device and a forwardly/reversely rotatable wrist section provided on a body section of an industrial robot and has a fluid transmission route for interconnecting the wrist section side and the working device side. The fluid transmission route is a hose, and between the wrist section and the working device, the hose is loosely spirally wound with a margin around a shaft section that rotates together with the wrist section. One end of the hose is non-rotatably fixed to the shaft section, and the other end is fixed so as to be movable with movement of the shaft section.
Patent KR-20090128553-A (KR)
Title: Integrated oil condition and level sensor
Inventor: KELLER ROBERT DEAN
IPC: G01N33/30
Filed: 2008-04-11
Abstract: An oil condition and level sensor is provided that includes a solenoid body, a coil, an armature and a pole piece. The solenoid body defines an armature chamber between the armature and the pole piece. The armature is movable in the armature chamber in response to energizing of the coil. In an oil condition sensing system, the coil is operatively connected to a controller which can determine at least one of an oil temperature, oil viscosity, oil level, and an oil change occurrence. In one embodiment, four oil levels, including an overfill oil level and an excessively low oil level maybe detected. The sensor is referred to as an integrated oil condition and level sensor as multiple sensing functions are integrated into one sensor.
Patent KR-20100035684-A (KR)
Title: System and method for creating a social-networking online community
Inventor: KARELIN ALEX
IPC: G06Q50/00
Filed: 2008-05-15
Abstract: A system and method are provided for creating a social-networking community and enabling the social-networking community to interoperate with other social-networking communities within a network of social-networking communities. The method includes creating a core profile that links a user member's identify to plurality of social-networking communities of the network. The system enables user identity information, content, and friend information to be shared across social-networking communities of the network. The system also enables community content to be shared and tracked across social-networking communities of the network.
Patent KR-20110080561-A (KR)
Title: While emergency condition occurring the within tunnel vehicle penetration cutoff device
Inventor: PARK KYUNG HWA
IPC: G08G1/095
Filed: 2010-01-06
Abstract: PURPOSE: A device for blocking a vehicle from entering in times of emergency in a tunnel is provided to reduce malfunction by folding or unfolding a blocking film by transferring other connecting rings than the last connecting ring to the left and right while a transfer nut and the first connecting ring move back and forth along a guide rod. CONSTITUTION: A device for blocking a vehicle from entering in times of emergency in a tunnel comprises a hollow pipe(100), connecting rings(122,122a,122b), a rotating screw(110) and transfer rollers(112, 123). The hollow pipe is fixed to the lower end of a horizontal frame and opens the lower part. In a state the first connecting ring is integrally connected to a transfer nut(111), the transfer rollers are inserted into a guide rail(101). The last connecting ring is fixed to the end of a guide rod(120). In operation of a motor(M), the rotating screw rotates. The transfer nut and the first connecting ring move back or forth along the guide rod.
Patent KR-20110080721-A (KR)
Inventor: KIM YU RI
IPC: H04R1/10
Filed: 2010-01-07
Abstract: 본 발명은 선 엉킴방지 이어폰에 관한 것으로서, 종래의 선 엉킴방지 이어폰은 스파이럴스프링을 사용하여 잦은 고장과, 많은 부품의 장착으로 무게가 무거워져 귀에 무리를 가져올 수 있다는 문제가 있었다. 
이러한 문제점을 해결하기 위하여 본 발명에서는 이어폰에 다른 부품을 장착하지 않으면서도 일정한 길이부분에 주름을 넣어 일정길이에서만 선이 굽혀질 수 있도록 하여 이어폰의 선이 엉키지 않도록 하였다. 
본 발명에 의하면 일정부분에서만 선이 굽혀지도록 하여 이어폰의 선이 엉키지 않는 기능과 동시에 일정부분에서만 선이 굽혀지는 점을 이용하여 굽혀지지 않는 부분에 미세한 자기장이 흐르게 하여 이어폰의 길이를 조절하는데 있어 편리하다.
Patent KR-20110080870-A (KR)
Title: Method of methane purification using gas hydrate technique in biogas
Inventor: KIM KYOUNG HEE
IPC: B01D53/75
Filed: 2010-01-07
Abstract: PURPOSE: A method for refining methane from bio gas based on a gas hydrate forming principle is provided to stably eliminate hydrogen sulfide and carbon dioxide from the bio gas and increase the content of methane gas. CONSTITUTION: A method for refining methane from bio gas includes the following: The bio gas is generated from organic waste. Hydrogen sulfide and carbon dioxide in the bio gas are dissolved in water. The gas hydrate of the carbon dioxide and the hydrogen sulfide is formed at temperature between 2 and 10 degrees Celsius under the pressure of 10 to 30 bar. The gas hydrate is separated from water.
Patent KR-20110083392-A (KR)
Title: Lens adjusting lever of monitering camera
Inventor: YOON DUK KANG
IPC: H04N7/18
Filed: 2010-01-14
Abstract: PURPOSE: A lens control lever mounting structure of a monitoring camera is provided to stably maintain the focus of a camera lens through the increase of fractional force. CONSTITUTION: A lens(2) has a focusing ring(21) and a distance control ring(22) arranged inside a housing. A lever is formed in a screw unit in order to couple the focusing ring and the distance control ring. A circuit unit adjusts the focus of a lens in order to clearly photograph a subject.
Patent KR-20110086452-A (KR)
Title: A method of manufacturing diode type phase change ram
Inventor: WON SE RA
IPC: H01L27/115
Filed: 2010-01-22
Abstract: PURPOSE: A method for manufacturing a diode-type phase change memory device is provided to minimize electrical disturbance between cells, thereby increasing memory cell efficiency. CONSTITUTION: An interlayer insulating film(200) is formed on an active area(150) of a substrate(100). The interlayer insulating film is partially etched using light exposing and etching processes to form a hole which has a cylinder shape. A first insulating film is deposited on the interlayer insulating film and the hole. The outside of the first insulating film is etched to form a contact hole(400) which has a cylinder shape.
Patent KR-20110087631-A (KR)
Inventor: GWAG JIN SEOG
IPC: G09G3/36
Filed: 2010-01-26
Abstract: 본 발명은 액정표시소자에 인가하는 전압을 각 프레임마다 상이하게 공급하여 측면컬러특성을 개선한 액정표시소자의 구동방법에 관한 것으로, 입력되는 영상데이터에 따라 제 1 내지 제 2n 시간프레임에 대하여 액정패널에 조사되는 광의 투과율을 조절하여 영상을 표현하는 액정표시장치의 구동방법에 있어서, 상기 제1시간프레임에 상기 영상데이터에 해당하는 기준전압과 상이한 제1데이터전압을 데이터신호로 인가하는 단계; 상기 제2시간프레임에 상기 영상데이터에 해당하는 기준전압보다 상이한 제2데이터전압을 데이터 신호로 인가하는 단계; 상기 제 3 내지 제 n 시간프레임 중 홀수 프레임에는 상기 제1데이터전압을 인가하고, 상기 제 3 내지 제 2n 시간프레임 중 홀수 프레임에는 상기 제2데이터전압을 순차적으로 인가하는 단계를 포함하고, 상기 제1데이터전압에 해당하는 투과율과 상기 제2데이터전압에 해당하는 투과율의 시간적 평균투과율은 상기 원하는 영상데이터의 투과율과 동일한 액정표시장치의 구동방법을 제공한다.
Patent KR-20110089572-A (KR)
Title: Wind power electricity magnetic heat generator
Inventor: LEE CHOON WOO
IPC: F24H9/18
Filed: 2010-02-01
Abstract: PURPOSE: A wind energy conversion device equipped with a heat converter at the supporting stand is provided to guarantee the safety of structure and reduce the installation cost by installing the powertrain in the upper rotary body and reducing the weight of the upper body. CONSTITUTION: A wind energy conversion device comprises a wing(10), an upper rotary body(20), a heat converter and a support stand(40). The wing is rotated with the wind. The upper rotary body rotatably supports the wing. The upper rotary body accepts the powertrain(30). The support stand rotates the upper rotary body around the vertical axis. The heat converter is installed in the lower part of the support stand. The heat converter comprises a permanent magnetic material and a heating element. The permanent magnetic material is installed in the rotary shaft(31) rotated with the power of powertrain. The permanent magnetic material has a plurality of N poles and S poles. The heating element wraps the periphery of the permanent magnetic material while is divided with the fixed gap from the permanent magnetic material. The heat medium flows through the flow hole for the heat medium of the heating element. The heat medium comprises a conductor. The heat medium converts the eddy current into the Joule's heat and generates the heat.
Patent KR-20110090193-A (KR)
Inventor: HEO JONG HYEON
IPC: E04G17/04
Filed: 2010-02-03
Abstract: PURPOSE: A reinforcing unit structure for a euro form is provided to prevent the deformation of a reinforcing unit because one or more reinforcing grooves of length or width direction are installed in the middle portion of the reinforcing unit. CONSTITUTION: A reinforcing unit structure for a euro form comprises a reinforcing unit(30), a first reinforcing groove(35), and a second reinforcing groove(35-1). The reinforcing unit comprises a horizontal plane(31) and a vertical plane(32) and is fixed to the form panel and the frame of a euro form in order to reinforce the euro form. The first reinforcing groove and the second reinforcing groove are formed by pressing the underside of the reinforcing unit to protrude upward. The cross-sectional shape of the first and second reinforcing grooves is semi-circle or polygon.
Patent KR-20110093222-A (KR)
Title: Wireless data transmission device for presentation devices and method thereof
Inventor: JEONG JONG HYEOG
IPC: G06F3/14
Filed: 2010-02-12
Abstract: PURPOSE: A device and method for transmitting wireless data for presentation device are provided to store presentation content of the speaker by interlinking to the presentation page which is processed. CONSTITUTION: A voice memory unit(120) memorizes a voice by a signal input of a user. An audio data processor(130) compress and encodes the voice. A control data processor(140) processes a presentation control signal generated according to the signal input of the user. A data processing unti(150) packages the control data and the encoded voice data. A transmitting unit wirelessly transmits package data(160). A display unit displays current presentation page number according to the page up/down.
Patent KR-20110097354-A (KR)
Inventor: CHOI YANG KYU
IPC: G01N35/00
Filed: 2010-02-25
Abstract: 본 발명은 원자의 크기레벨로 나노갭(nanogap)의 위치, 폭 및 깊이의 조정이 가능하고 다수의 나노갭을 동시에 형성할 수 있는 다중 적층 나노갭 구조 및 그 제조방법에 관한 것으로써, 표면 증강 라만 산란(SERS)를 이용한 단분자 검출 센서에 적용될 수 있는, 직선형의 나노갭이 일정 간격을 두고 반복적으로 나타나는 배열의 나노갭 구조와 그 제조방법을 제공한다.  
보다 더 구체적으로 본 발명은, 표면 증강 라만 산란(SERS)를 이용한 단분자 검출 센서용 구조에 있어서, 기판; 및 상기 기판 위에 순차적으로 증착되는 희생층 및 강화층;을 포함하되, 상기 희생층 및 강화층은 적어도 한 번 이상 반복적으로 증착되고, 상기 기판, 희생층 및 강화층으로 형성된 구조에서 적어도 하나의 측면부에는, 상기 기판과 강화층 사이 또는 각각의 강화층 사이의 희생층의 소정영역이 제거되어 상기 기판 또는 강화층이 돌출됨으로써 형성되는 적어도 하나 이상의 나노갭을 구비하는 것을 특징으로 하는 다중 적층 나노갭 구조를 제공한다.
Patent KR-20110102069-A (KR)
Inventor: KIM YUN HWAN
IPC: A61H7/00
Filed: 2010-03-10
Abstract: 본 발명은 각도조절이 가능한 효자손에 관한 것으로서, 특히 효자손이 절곡 가능하게 연결되어 다양한 각도로 절곡시킴으로써 가려운 곳을 보다 잘 긁어줄 수 있는 각도조절이 가능한 효자손에 관한 것이다. 
본 발명의 각도조절이 가능한 효자손은, 인체의 등과 같이 손이 닿지 않는 가려운 부위를 긁어주는 효자손에 있어서, 막대 형상의 손잡이부와; 일단이 절곡 형성되고, 타단이 상기 손잡이부의 일단에 힌지 결합된 긁개부와; 상기 손잡이부에 대한 상기 긁개부의 회전각도를 조절하여 제1각도조절부로 이루어지되, 상기 제1각도조절부는, 상기 손잡이부의 일단과 상기 긁개부의 타단을 힌지결합하는 제1회전축과; 상기 손잡이부의 일단에 내장된 스프링과; 상기 제1회전축이 관통하는 상기 긁개부의 타단의 외주면에 상기 긁개부의 회전방향으로 형성된 다수개의 제1걸림홈과; 상기 손잡이부의 일단 내부에 슬라이딩 가능하게 결합되고, 상기 스프링의 탄성력에 의해 상기 제1걸림홈에 삽입되는 제1걸림돌기로 이루어진 것을 특징으로 한다.
Patent KR-20110103215-A (KR)
Inventor: IWASAWA YOSHITO
IPC: G02B15/22
Filed: 2010-03-12
Abstract: 줌 렌즈가 개시된다. 개시된 줌 렌즈는 물체측으로부터 상면측으로 순서대로 배치된 것으로, 변배시 상면에 대해서 고정되고, 정의 굴절력을 가지며, 물체측으로부터 순서대로 부의 굴절력을 가지는 단렌즈와, 광경로를 굴곡시키는 광경로변환부재와, 정의 굴절력을 가지는 정렌즈군으로 구성된 제1 렌즈군; 부의 굴절력을 가지며, 물체측으로부터 순서대로, 공기 간격을 사이에 두고 배치된 부렌즈군과 정렌즈군으로 구성된 제2렌즈군; 변배시 상면에 대해 고정되고, 정의 굴절력을 가지는 제3렌즈군; 정의 굴절력을 가지는 적어도 하나 이상의 렌즈군;을 포함하며, 가장 상면측에 배치된 렌즈군은 물체측으로부터 순서대로 공기 간격을 사이에 두고 배치된 정렌즈군과 부렌즈군으로 구성되고, 이하의 조건들을 만족하는 것을 특징으로 한다. 
1.4＜｜ｆLG1/ｆｗ｜＜2.69 
-4.8＜Ept/Yimg＜-2.5 
여기서, ｆLG1은 상기 제1렌즈군에서 광경로변환부재보다 물체측에 배치된 렌즈의 초점거리, ｆｗ는 광각단에서의 줌 렌즈 전체의 초점거리, Ept는 망원단에서의 사출동공 위치, Yimg는 상면에서의 최대 상고이다.