baber/WOPTO huggingface dataset:
Patent KR-20000042650-A (KR)
Title: Apparatus for detecting transmission parameter signal of digital television
Inventor: CHO CHEOL HEE
IPC: H04N7/12
Filed: 1998-12-26
Abstract: PURPOSE: An apparatus for detecting a TPS(Transmission Parameter Signaling) signal of a digital television is provided to extract rapidly TPS data by using characteristics of TPS data. CONSTITUTION: An apparatus for detecting a TPS signal of a digital television comprises a TPS synchronous signal detection portion and an error correction portion. The apparatus for detecting a TPS signal of a digital television comprises a first logical operation portion, a second logical operation portion, a third logical operation portion, a fourth logical operation portion, a fifth logical operation portion, a sixth logical operation portion and an output logic portion. The first logical operation portion performs a logical operation for a first pattern within an output signal of the TPS synchronous signal detection. The second logical operation portion performs a logical operation for a second pattern within the output signal of the TPS synchronous signal detection. The third logical operation portion performs a logical operation for a signal of the error correction portion. The fourth logical operation portion performs a logical operation for a signal of the first logical operation portion and a signal of the third logical operation portion. The fifth logical operation portion performs a logical operation for a signal of the second logical operation portion and a signal of the error correction portion. The sixth logical operation portion performs a logical operation for a signal of the fourth logical operation portion and a signal of the fifth logical operation portion. The output logic portion outputs corrected TPS data.
Patent KR-20000043977-A (KR)
Title: Semiconductor memory device and method for fabricating the same
Inventor: LEE WUK HA
IPC: H01L27/10
Filed: 1998-12-29
Abstract: PURPOSE: A semiconductor memory device and a method for fabricating the same are provided to simplify a fabricating process and a structure of the device. CONSTITUTION: A semiconductor memory device comprises a substrate(41) containing an active region having a long axis in a first direction, a bit line buried in the substrate(41) in the first direction, gate lines across the active region in a second direction perpendicular to the first direction, an interlayer dielectric layer(52) over contact holes and the gate lines, wherein the contact holes are formed in the bit line, and a poly-plug layer(54) filling the contact holes and being connected to the bit line.
Patent KR-20000047021-A (KR)
Title: Method to keep result of golf exercise and device thereof
Inventor: KWON SEONG GYU
IPC: A63B69/36
Filed: 1998-12-31
Abstract: PURPOSE: A method to keep result of a golf exercise and a device thereof are provided which can confirm the results and problem of the golf exercise by using the inputting device including the switch to ask to be supplied a ball from the device to supply a golf ball. CONSTITUTION: A method to keep result of a golf exercise by a device thereof comprises: the first stage by an inputting part(1) to occur the input signal by having lots of inputting part according to the character of batting; the second stage by a supplying part(3) to supply a golf ball and by a controlling part(2) to occur a controlling signal to indicate the results of the exercise; and a third stage by an indicating part(4) to indicate the results of the exercise by accepting the controlling signal.
Patent KR-19990037649-A (KR)
IPC: B65D21/06
Filed: 1996-08-15
Abstract: A container (10) is formed to allow a second like container to nest therein when the two containers are in a first relative orientation, and to stack thereon when the two containers are in a second relative orientation. Stacking means shown generally at (12) have a stowed position (to the left in the drawing) in which stacking or nesting as aforesaid are possible, and a stacking position (to the right of the drawing) in which the stacking means (12) interfere with nesting to cause the containers to stack when in the second relative orientation.
Patent KR-19990076705-A (KR)
Title: 액정표시소자와 액정표시소자를 사용한 투사장치
IPC: G02F1/1334
Filed: 1997-10-23
Abstract: 고분자 화합물중(15)에 액정(14)이 분산되는 고분자 분산형 액정표시소자(100)에 있어서, 온도의 급격한 변동에 의해서 생기는 간극 폭의 왜곡을 방지하여, 표시 화상의 균일성을 향상시키는 액정표시소자를 제공하는 것을 목적으로 한다. 밀봉부재(13)를 통해 서로 마주보는, 전압인가기구(18, 19, 20, 21)를 구비한 글래스기판(11)과 그 반대쪽의 글래스기판(12)과 협지된 액정층(17)안에, 소정의 온도범위(△t)에 있어서 소정의 비율로 2매의 글래스기판(11, 12)에 의해 탄성적으로 압축되는 구상의 수지스페이서(16)를 살포하는 것에 의해, 소정의 온도범위내에서의 온도의 변동에 의한 글래스기판 사이의 간극 폭의 왜곡을 방지한다.
Patent KR-19990076925-A (KR)
Title: 연료 분사 장치
IPC: F02M41/16
Filed: 1997-07-02
Abstract: 본 발명은 고압 연료 펌프에의해 공급되는 고압 연료 탱크에 설치된 내연기관용 연료 분사 장치에 관한 것이다. 상기 탱크(1)는 두 개의 중공 반구체(3)를 용접에의해 얻어지는 중공 구(2)와 닮은 형태를 가지며, 단조된 고정 부재(6, 7, 8, 9)의 수단에의해 차량에 고정된다.
Patent KR-19990082585-A (KR)
Title: 플라즈마 디스플레이의 제조방법 및 제조장치
Filed: 1997-12-16
Abstract: 플라즈마 디스플레이의 제조방법은 다수의 칸막이가 형성된 기판 위에 형광체층을 형성함으로서 다수의 토출구를 가지는 노즐을 통해 기판에 형광체 분할 및 유기화합물을 함유하는 형광체 페이스트를 연속적으로 토출함으로서 다수의 칸막이가 형성된 기판 위에 형광체층을 형성하는 것을 특징으로 한다. 
     빨강, 초록 또는 파란색 빛을 방사하는 형광체 분할을 각각 함유하는 세 종류의 형광체 페이스트를 노즐로부터 직선형으로 형성된 칸막이 사이의 틈에 사용한 후, 형광체층을 페이스트를 가열함으로서 형성한다. 
     플라즈마 디스플레이 제조용 장치는 칸막이가 있는 기판을 고정하는 테이블, 기질의 칸막이에 접하고, 토출개구부를 가지는 노즐, 노즐에 형광체 페이스트를 제공하는 방법 및 서로 관계있는 테이블과 노즐을 공간이동시키는 방법을 제공하는 것을 특징으로 한다.
Patent KR-20000022303-A (KR)
Title: Process for guiding a slab and slab-guide
Inventor: WETTER JAKOB
IPC: B22D11/128
Filed: 1997-06-23
Abstract: PURPOSE: A process for guiding a slab, in particular a steel slab and a slab-guide is provided in a continuous casting plant with a soft reduction section. CONSTITUTION: In a roller apron segment with 4 servo units, Two neighboring servo units are linked hydraulically together and the remaining are left independently adjustable. By the parallel connection of two cylinders to a unit accordingly communicating tubes with only one positions regular, the level held with four cylinders is determined statically and converted into a three point storage. The hydraulic lines (31-38,41-48) are formed to connect the piston areas and ring areas of two neighboring servo piston cylinder units(11,15,21,25) with a common servo valve(13,17,23,27,24) and The slab-guide is characterized that the position indicators(12,16,22,26) of the servo piston cylinder units(11,15,21,25) switched with a common servo valve(13,17,23,27,24) are likable control together.
Patent KR-20000051226-A (KR)
Inventor: KIM SEONG BEOM
IPC: B41M5/03
Filed: 1999-01-13
Abstract: PURPOSE: A method for preparing a transfer carpet is provided which is able to cleanly and clearly express the photo image on tile carpet by using transfer with reduced manufacturing process and cost. CONSTITUTION: A method for preparing a transfer carpet comprises steps of: (i) after scanning the photo or pattern to transfer, computer editing them or producing the graphic program them; (ii) transfer printing the design gone through the step (i) in large quantity or in small quantity; and (iii) putting the transfer printed paper on a white carpet and then compressing it in a press at a temperature of more than 200°C for 2 minutes or passing it through the tunnel machine.
Patent KR-20000016824-A (KR)
Inventor: SON JIN SUEONG
IPC: G11B7/095
Filed: 1999-01-23
Abstract: PURPOSE: A balancer is provided to prevent a noise, vibration appearance caused by an initial balancing operation at rotating. CONSTITUTION: The balancer comprises a rotating body (120) and a balancing liquid (150). The rotating body (120) rotates by a center of a rotating axle, and has a lace formed around the rotation axle by a circular form. The balancing liquid (150) is located in the lace, and is capable of fixing at a balancing location of the rotation body. An internal vibration is suppressed by an eccentric mass of the rotation body. The balancer comprises a plurality of mobile members (70) which are located in the lace and are capable of fixing with the balancing liquid at the balancing location of the rotation body.
Patent KR-20000055060-A (KR)
Inventor: LEE CHUL HO
IPC: G01N33/497
Filed: 1999-02-03
Abstract: PURPOSE: A method of measuring blood concentration of alcohol is provided to measure blood concentration of alcohol exactly from a user by forming a plurality of spaces for measurement of alcohol contained in a respiratory organ of the user. CONSTITUTION: A respiratory organ blows into a detecting space for alcohol concentration contained in the respiratory organ of a user. A first alcohol concentration detecting unit(44) detects the alcohol concentration in the respiratory organ responsive to a first control signal of a control unit(50). The control unit(50) transmits a control signal to a display unit(60) responsive to a first alcohol concentration detecting signal and the display unit(60) displays the alcohol concentration of the respiratory organ to outside to inform the user of it.
Patent KR-20000055605-A (KR)
Inventor: PARK SEUNG GYU
IPC: B21C1/00
Filed: 1999-02-08
Abstract: PURPOSE: A metal pipe drawing apparatus is provided to achieve a reduced process and manufacturing cost by eliminating the necessity of supplying drawing oil during a process of manufacturing composite pipe. CONSTITUTION: An apparatus for drawing a metal pipe by pulling the metal pipe using a caterpillar so as to allow the metal pipe to pass through a drawing member and to be tightly coupled to a periphery of an inner plastic pipe, the apparatus comprising a first drawing member for permitting drawing rolls(102) facing with each other at a rotation axis(101) to maintain a spacing according to a rotation of an adjusting shaft(103) such that the metal pipe passes through and is elongated at the periphery of the inner plastic pipe, a second drawing member for permitting drawing rolls(202) facing with each other at a rotation axis(201) to maintain a spacing according to a rotation of an adjusting shaft(203) such that the metal pipe elongated by the first drawing member is elongated again, and a third drawing member for permitting drawing rolls(302) facing with each other at a rotation axis(301) to maintain a spacing according to a rotation of an adjusting shaft(303) such that the metal pipe elongated by the second drawing member is elongated again. The first drawing member and the third drawing member are arranged to be perpendicular to the second drawing member.
Patent KR-20000055857-A (KR)
Inventor: KIM GI NAM
IPC: H02K1/12
Filed: 1999-02-10
Abstract: PURPOSE: An auxiliary magnet mounting structure for a brushless direct current motor which can reduce a process of disassembling and assembling the auxiliary magnet is provided. CONSTITUTION: A structure for mounting an auxiliary magnet on a brushless direct current motor includes: a housing(1); a stator core(3) which is fixed at an inner surface of the housing; a coil(4) which is wounded round for generating an electromagnetic field when current is applied thereto; a rotary shaft(5) supported rotatably by the housing; a rotary core(6) which is integrated with the rotary shaft and which is rotated together with the rotary shaft by an electric force generated by both the coil and a magnet fixed at a periphery thereof; and a coupler(30) having an internal thread which is formed at an inner and periphery surface thereof and an end at which the auxiliary magnet(20) is fixed. According to the structure, by reducing the process of disassembling and assembling the auxiliary magnet, the performance of the motor is improved.
Patent KR-20000060303-A (KR)
Inventor: JUN CHANG UK
IPC: G06F3/16
Filed: 1999-03-13
Abstract: PURPOSE: A document support and screen protection apparatus is provided to offer a flat speaker, installed at a flat type display monitor, a document support function and a screen protection function as well as the speaker function. CONSTITUTION: A document support and screen protection apparatus comprises a support boss(2), a fixture member(7), assembly grooves(9,10), a fixture hook(11), a concave groove(14), and an assembly member(16). The support boss(2) is formed at both sides of a main body(1) of a monitor. The fixture member(7), having a fixture hole(6), is installed at a lower part of a fixture(3) body(4) to be combined with the support boss via a screw(5). The assembly grooves(9,10), formed at both lower sides of the main body(4), makes the main body(1) and a back cover(8) inserted into. The fixture hook(11) is installed elastically at an upper side of the body(4) of the fixture(3). The concave groove914) is formed at the center of the cover(12) to seat the flat type speaker.
Patent KR-19990064487-A (KR)
Title: 벨벳직물을 이용한 벽지
IPC: B32B7/12
Filed: 1999-03-16
Abstract: 세탁성 내구성 염색성등이 좋은 면섬유와 폴리에스터 섬유를 원료로 사용하여 만든 벨벳 직물의 캇트 파일층에 방염제가 혼합된 날염호로 다양한 무늬를 날염시키고 그 이면에는 접착제 층을 형성하거나 종이를 부착시킨 벨벳직물을 이용한 벽지
Patent KR-20000060832-A (KR)
Title: Multi-domain liquid crystal display device
Inventor: SEO SEONG MO
IPC: G02F1/1343
Filed: 1999-03-19
Abstract: PURPOSE: A multi-domain liquid crystal display device is provided to be capable of preventing an electric short circuit between a data line and a sub electrode line. CONSTITUTION: A multi-domain liquid crystal display device comprises a pixel electrode(6), a sub electrode line(22) and a redundancy line(32). The pixel electrode(6) is coupled to a drain electrode(4) of a thin film transistor(10), and the sub electrode line(22) is formed around the pixel electrode(6). The redundancy line(32) is formed in a ring shape around an auxiliary capacitor(13) and is connected to the sub electrode line(22). Gate lines(7n,7n-1) and data lines(2) are formed on a substrate so as to be intersected. The sub electrode line(22) is connected in series to the redundancy line(32), and adjusts an orientation direction of a liquid crystal by generating a potential difference from a pixel electrode depending on a common voltage(Vcom) supplied during a scanning period of time when data is supplied to the pixel.
Patent KR-20000061692-A (KR)
Inventor: AHN IN CHEOL
IPC: H01L21/027
Filed: 1999-03-30
Abstract: PURPOSE: A reticle processing provision is to precisely stop a member for drawing and loading a reticle at a predetermined position during a process of accessing the member to a reticle slot. CONSTITUTION: A reticle processing provision comprises a reticle slot(46), a reticle drawing and loading member(40) for drawing a reticle from the reticle slot or for loading the reticle on the reticle slot, and a first to third switch, provided a processing path of the reticle drawing and loading member, for detecting the reticle drawing and loading member. The reticle drawing and loading member includes a body(42) having a touching portion(42a) on a front portion and a photo sensing portion(42b) on a rear portion, and a base(44) for supporting the reticle. The first and second switches are close to the touching portion to detect the access of the reticle drawing and loading member to the reticle slot. The first switch is a micro switch. The second switch is a limit switch, and is connected in series to a power supply of a driving motor for driving the reticle drawing and loading member.
Patent KR-20000011242-A (KR)
Inventor: ISHITA YUKIMASHA
IPC: C23F1/20
Filed: 1999-04-19
Abstract: PURPOSE: A thin film transistor matrix substrate manufacturing method is provided to relieve a gap and to have an excellent gap covering. CONSTITUTION: The manufacturing method has the processes of: processing the surface of an AI or an AI alloy layer by a TMAH(tetra methyl ammonium hydroxide); forming a resist pattern on the surface of the AI or the AI alloy layer; and wet-etching the AI or the AI alloy layer using the resist pattern as an etching mask. When wet-etching the AI or the AI alloy layer processed by the TMAH, the substrate forms a side wall having a normal taper or a pyramid shaped slant and improves the gap covering of the upper layer as the side wall shapes the normal taper.
Patent KR-19990087948-A (KR)
Title: 금속층을연신한도전플러그를위한장치및방법
IPC: H01L21/768
Filed: 1999-04-20
Abstract: 금속_0 층과 금속_1 상호접속층 사이에 도전 경로를 제공하기 위해, 종래 기술에서는 도전 플러그(conducting plug)를 갖는 두 개의 층이 필요하였다.  본 발명에서는, 집적 회로의 두 개의 영역을 전기적으로 결합시키는 도전 영역(14')이 집적 회로의 선택된 부분과 금속_1 상호접속층(27)을 결합시키는 도전 플러그(14)와 동시에 형성된다.  도전 플러그(14)를 갖는 도전 영역(14')은 금속_1 상호접속 경로(27)가 패터닝되는 절연층(12)의 표면까지 연장된다.  이러한 기술을 사용하여, 종래 기술에 요구되는 공정 단계들이 제거될 수 있다.  이 공정은 금속_1 상호접속층이 도전 영역상에 형성될 수 없게 제한한다.
Patent KR-20000073054-A (KR)
Inventor: KWAK GYU HWAN
IPC: H01L21/306
Filed: 1999-05-04
Abstract: PURPOSE: A semiconductor etching equipment for dry-etching an oxidation layer is provided to save money for purchasing an expensive gas dispensing plate, by using a process wafer to control an etching selectivity of the oxidation layer formed on the wafer instead of using the gas dispensing plate. CONSTITUTION: A semiconductor etching equipment for dry-etching an oxidation layer comprises an etching chamber(4), a lower electrode(34), an upper electrode(32), a radio frequency power source, a reaction gas supply unit, a pressure control unit and a process wafer(36). A process for dry-etching the oxidation layer is processed in the etching chamber. The wafer on which the oxidation layer is formed is settled in the lower electrode in the etching chamber. The upper electrode separated a predetermined interval from the lower electrode is established in the etching chamber. The radio frequency power source applies a radio frequency power to the lower and upper electrodes. The reaction gas supply unit supplies a reaction gas into the etching chamber. The pressure control unit controls inner pressure of the etching chamber. The process wafer adjusts an etching selectivity of the oxidation layer, fixed on the upper electrode by a fixing unit.
Patent KR-19990064911-A (KR)
Title: 협잡물 배출장치
IPC: C02F11/12
Filed: 1999-05-21
Abstract: 본 발명은 폐수처리장의 탈수공정에서 발생되는 유기성 협잡물과 케이크를 일시저장한 후 배출처리하는 협잡물 배출장치에 관한 것으로, 특히,상단으로 부터 하부로 일정한 사각넓이의 공간을 형성하며 그 하단의 연장선상에서 내측으로 소정의 기울기로 공간이 형성되는 호퍼조와, 상기 호퍼조에 결합되며 프레임에 설치되어 호퍼조를 지지하는 베이스와, 상기 호퍼조의 하단에 결합되는 배출관과, 상기 배출관의 양측면에 형성된 통공에 삽입,결합되는 회전축과, 상기 회전축을 중심으로 적어도 두개 이상이 상호 대칭되게 형성되는 블레이드와, 상기 호퍼조내의 내용물을 배출시키기 위하여 회전축의 일단에 결합되어 블레이드를 회전시키는 모터를 포함한다. 따라서,호퍼조내의 내용물 배출시 설정된 시간에 일정량으로 배출토록하여, 한번에 많은 양이 배출되어 차량의 화물칸이나 컨베이어의 적재칸이 넘쳐 주변환경이 오염됨으로써,작업공정이 지연되는 것을 미연에 방지하여,호퍼조의 주변환경개선과 저장,배출,관리를 용이하게 하는 협잡물 배출장치를 제공한다.
Patent KR-20000005821-A (KR)
Inventor: DAMURA HIROTAKA
IPC: H03L7/081
Filed: 1999-06-02
Abstract: PURPOSE: A signal transmission system accurately performs a signal transmission at a high-speed, and performs a signal transmission without a waveform distortion and interference between codes. CONSTITUTION: A driving circuit for a signal transmission includes an output driver(1), a front driver(4) for driving the output driver, and a level regulator(5) for regulating an output level of the front driver. The output driver is responsive to an output level of the front driver, and generates a having a variable specific level signal. The output driver has a push-pull structure being drain-grounded. The push-pull structure uses p-channel and n-channel MOS transistors. Thereby, the circuit accurately performs a transmitting/receiving operation without waveform distortion and a line interference.
Patent KR-20010002494-A (KR)
Inventor: KIM SE PYO
IPC: H01L29/78
Filed: 1999-06-15
Abstract: PURPOSE: A method for manufacturing a metal oxide semiconductor transistor is provided to prevent impurities in a gate electrode from passing through a thin gate insulating layer to reach a semiconductor substrate, by uniformly doping impurities to a lower portion of the gate electrode at a low temperature or for a short interval. CONSTITUTION: A gate insulating layer(59) is formed on a semiconductor substrate(51) of the first conductivity type. An undoped polysilicon pattern is formed in a predetermined region of the gate insulating layer. A surface of the undoped polysilicon pattern and a surface of the semiconductor substrate near the undoped polysilicon pattern are formed. The resultant structure is heated to a predetermined temperature, and is exposed to an impurity gas containing impurities of the second conductivity type to form a gate electrode doped with the undoped polysilicon pattern while a lightly doped drain(LDD) region of the second conductivity type is formed on the semiconductor substrate near the gate electrode. A spacer is formed on a sidewall of the gate electrode. Impurity ions of the second conductivity type are injected into the semiconductor substrate by using the gate electrode and spacer as an ion injection mask, so as to form a high density source/drain region of the second conductivity type in the semiconductor substrate on both sides of the gate electrode.
Patent KR-20000006313-A (KR)
Inventor: GRONER ALBRECHT
IPC: C12M1/12
Filed: 1999-06-21
Abstract: PURPOSE: A method for separating HIV from the body fluids is provided to reduce the load of virus in blood by the blood cleansing. CONSTITUTION: The HIV separation method comprises: pippeting the HIV, which is isolated from the cell culture object in the RPMI culture medium, in the gel suspension solution composed of C1 retainer-cephalos and AT3-cephalos; culturing the mixture at 22°C for 30 minutes; and centrifugal separating the gel by a low rotary speed.
Patent KR-20010004439-A (KR)
Inventor: DO CHANG SEOP
IPC: B65H59/00
Filed: 1999-06-29
Abstract: PURPOSE: An automatic winding method of wire and apparatus the same are provided to prevent defective winding by stopping driving an apparatus including a take-up machine with detecting the point of defective winding from traverse traveling time during winding wires. CONSTITUTION: A travel of a guide roller corresponding to a spool type is stored in memory of a microprocessor. Traveling time between the sections of reference spool is calculated by driving sensors attached to the both sides of the guide roller. A spool type is distinguished by comparing with traveling time of the guide roller in the microprocessor. The winding length of the spool is established according to a classified spool type. A drive control unit of a winder is signaled to stop driving if a present length of wire from a counter comes to the predetermined winding wire length.
Patent KR-19990073337-A (KR)
Title: 승용차허브베어링안사라고정구및그를사용하는허브베어링안사라분리구
IPC: B25B27/00
Filed: 1999-07-02
Abstract: 본 발명은 승용자동차의 허브로부터 허브 베어링 안사라(inner race)를 분리하기 위한 분리장치 및, 그를 위하여 허브 베어링 안사라를 단단하게 고정하는 허브 베어링 안사라 분리용 고정구에 관한 것이다. 
     측면에 일정각도로 분포되어 있는 3개 이상의 나사 구멍을 가진 원통형 링(ring)과, 상기 원통형 링의 나사 구멍에 삽입되는 3개 이상의 볼트로 이루어져 있으며, 상기 나사구멍과 볼트는 원통형 링의 직경 방향과 5°내지 45°만큼, 바람직하게는 15내지 30도만큼 링의 바깥에서 안쪽으로 하향 진행하는 구성을 가지는 허브 베어링 안사라 분리용 고정구와, 종래기술에 의한 기어풀러로 이루어져 있으며, 기어풀러의 동력전달용 중앙나사봉을 허브축에 맞대기 위한 맞춤 어댑터를 추가로 구비할 수 있다. 
     본 발명에 의한 허브 허브 베어링 안사라(inner race) 분리용 분리구를 이용하면, 허브축에 어떠한 손상을 가하지 않고서도, 허브에 눌어 붙어 있는 허브 베어링 안사라를 허브로부터 용이하게 분리할 수 있다.
Patent KR-20010010617-A (KR)
Inventor: JUNG SIN JAE
IPC: F24F1/00
Filed: 1999-07-21
Abstract: PURPOSE: An integrated air conditioner with a ventilation structure is provided to remove a problem due to outdoor unit mounting by removing a need of an outdoor unit and to realize a pleasant interior surrounding according to indoor ventilation. CONSTITUTION: An exhaust duct(10) forming a duct communicated to the rear from the front at a lower end of a cabinet(3) sucks air from a condenser(5), a compressor(4) and the interior room and ventilates the air passing through the condenser and the compressor out of the interior room by a cooling fan(6). An indoor circulating duct(20) forming a duct communicated from the lower front to the upper front at an upper end of the cabinet has a circulating fan(8) sucking the air from an evaporator(7) and the interior room and circulating the air passing through the evaporator to the interior room. An air duct(30) forming a path communicated with the upper stream of the evaporator from the rear at a middle end of the cabinet supplies air from the exterior to the upper of the evaporator by the circulating fan.