baber/WOPTO huggingface dataset:
Patent KR-20000031441-A (KR)
Title: Light irradiating apparatus
Inventor: YOON GI HYEOK
IPC: G02B5/30
Filed: 1998-11-06
Abstract: PURPOSE: A light irradiating apparatus is to arrange a polarizer at an angle with respect to a substrate and irradiates slantingly a partially polarized light, thereby determining an orienting direction of an oriented film with once irradiation. CONSTITUTION: A light irradiating apparatus comprises an optical system, a first polarizer(33) for polarizing a light from the optical system. The light from the first polarizer is slantingly irradiated at a desired angle with respect to a normal line of a stage(11) on which a substrate(35) is placed. The optical system is comprised of a light source(1), a lens and a reflecting mirror. The first polarizer has a stacked glass substrate, a stacked quartz substrate or a multi-coated substrate. The stacked glass substrate and the stacked quartz substrate are slantingly stacked at a brewster angle with respect to the substrate. The multi-coated substrate is coated by an inorganic film. Further, a second polarizer is disposed between the stacked glass substrate and the stacked quartz substrate or the multi-coated substrate.
Patent KR-19990014460-A (KR)
Title: 자동차의 안전 제동장치
Filed: 1998-11-10
Abstract: 본 발명은 차량용 제동장치에 관한 것으로, 가속 페달에서 발을 떼는 순간에 브레이크 장치가 작동되도록 하는 자동차의 안전 제동장치를 제공하기 위한 것이다.    상기 안전 제동장치는 브레이크 페달의 작동에 따라 브레이크 오일을 가압하는 유압 유니트와, 상기 유압 유니트로부터 브레이크 오일을 공급받아 소정의 제동력을 발생하는 디스크 브레이크 및 드럼 브레이크들과, 상기 유압 유니트의 작동에 따라 점등되는 브레이크등과, 상기 유압 유니트와 연결되어 소정의 구동력으로 상기 브레이크등의 점등 및 상기 유압 유니트를 작동시키는 유압모터와, 상기 자동차의 가속 페달에 설치되며 상기 가속 페달의 작동에 따라 배터리로부터 상기 유압모터로의 전압경로를 차단시키는 스위치로 구성된 것이다.
Patent KR-20000033161-A (KR)
Title: Polymer composite material containing modified silica by electrochemical surface treatment
Inventor: PARK SU JIN
IPC: C08L83/02
Filed: 1998-11-20
Abstract: PURPOSE: A polymer composite material useful as dental repair material is provided which has a quick bench time and a good adhesive strength and improved wettability in hard and soft oral tissue. CONSTITUTION: Particle or powder silica is surface treated by impressing electric current to 0.5-30 A/m2 of electric density for 1 minute-2 hours in acidic, alkaline or amphoteric electrolyte. The polymer composite material comprises 100 weight parts of organopolysiloxane containing hydroxy group, 0.5-25 weight parts of organosilicone compound having more than 2 of hydrolyzing group in one molecular, 5-50 weight parts of curing accelerator, 5-30 weight parts of silica and 0.1-10 weight parts of iron oxide. Thus, 100 parts of dimethyl polysiloxane having 5,000 cps of viscosity, blocking both end by hydroxy group, 5 parts of 1-4 micrometer silica, 0.1 part of iron oxide are mixed to give base polymer, followed by addition of 5 parts methyl hydrogen siloxane and 30 parts of calcium carbonate to give the room temperature curing silicone composition.
Patent KR-20000034453-A (KR)
Title: Method for managing data packet of cable modem
Inventor: KIM DEOK NYON
IPC: H04L12/58
Filed: 1998-11-30
Abstract: PURPOSE: A method for managing a data packet of a cable modem is provided so that the data packet can be managed on the basis of its loss sensitive information and delay sensitive information. CONSTITUTION: In the initialization process of a cable modem, loss sensitive information and delay sensitive information are specified on each data packet according to quality of service. In the operation process of the cable modem, when some of the data packets stored in a buffer and a memory must be abandoned, the data packets to be abandoned are selected on the basis of their loss sensitive information and delay sensitive information. In addition, when the data packets stored in the buffer and memory must be transmitted, the data packets to be transmitted are selected on the basis of their loss sensitive information and delay sensitive information. That is, the data packets are not selected and abandoned or transmitted at random, thereby efficiently satisfying the requisites of the services sensitive to loss or delay.
Patent KR-20000034583-A (KR)
Title: Method for automatically recording preferred field in tvcr
Inventor: PARK JOO DEOK
IPC: H04N5/76
Filed: 1998-11-30
Abstract: PURPOSE: A method for automatically recording a preferred field in a TVCR is provided so that broadcast programs dealing with the user's preferred field can be automatically searched and recorded. CONSTITUTION: A method for automatically recording a preferred field in a TVCR synchronizes a tuner with a previously-set channel when a mode is converted into a standby mode according to a key input for power-off(302), separately detects an audio signal of a received broadcasting signal and recognizes a sound thereof(304), judging whether the recognized sound includes a sound corresponding to a keyword set by the user(306), and records the broadcasting signal from the tuner on a videocassette tape loaded on a deck by controlling the deck, when the sound corresponding to the keyword is recognized(308). As a result, even when the user does not watch the TV, he/she can extract and reproduce broadcasting programs dealing with his/her preferred field.
Patent KR-20000038159-A (KR)
Title: Car audio apparatus having wireless control function
Inventor: KIM KWON SIK
IPC: H04Q9/00
Filed: 1998-12-04
Abstract: PURPOSE: A car audio apparatus having a wireless control function is provided to offer a convenience in use of the car audio apparatus and secure a safety during a car drive, by operating the apparatus at a rear seat with a wireless control and at a driver seat without a need for a big move of the driver's eyes. CONSTITUTION: A remote controller(10) sends a wireless control signal of a car audio apparatus according to a key selection. A wireless receiver receives and processes the wireless control signal from the remote controller(10), and transfers it to a microcomputer. A radio broadcasting receiver(13) receives a broadcasting signal from an antenna(ANT) via an FM modulator(20). A compact disk(CD) changer(14) performs a change of a CD and reproduction thereof. The remote controller(10) includes a detector(110b) for detecting a key selection according to the signals from a key matrix(110a), and a wireless signal processor(110d) for increasing the frequency of the signals from a signal generator(110c). The wireless receiver includes a wireless signal processor(125c) for decreasing the frequency of the signals from a receiver(125a) which receives the wireless signal from the remote controller(10).
Patent KR-20000038221-A (KR)
Title: Method for manufacturing dual gate oxides
Inventor: KIM GYUNG JAE
IPC: H01L21/316
Filed: 1998-12-04
Abstract: PURPOSE: A dual gate oxide fabrication method is provided to prevent a contamination and a damage of gate oxide by preventing a direct contact with a photoresist using a masking nitride layer. CONSTITUTION: A first gate oxide(12) and a masking nitride layer(13) are sequentially formed on a semiconductor substrate(11) having a first and a second active regions. By forming a photoresist pattern(PR11) on the masking nitride layer(13) of the second active region, the masking nitride layer(13) formed on the first active region is removed. After removing the photoresist pattern(PR11), the first gate oxide(12) of the first active region is removed. A second gate oxide(14) having thick thickness compared to the first gate oxide(12) is formed on the first active region, and then the masking nitride layer(13) formed on the second active region is removed.
Patent KR-20000038745-A (KR)
Title: Bead pillar structure for a tire
Inventor: KANG MYEONG HWAN
IPC: B60C15/02
Filed: 1998-12-09
Abstract: PURPOSE: A bead pillar structure for a tire is provided to make automation of the forming process of a tire, improve productivity and make the performance of the tire uniformly by improving bead pillar structure. CONSTITUTION: A bead pillar(2) is mounted on a circular periphery of a bead core(1) with circular ring type. The bead pillar(2) is formed by winding many times a ribbon(20) having narrow width and thin thickness. The ribbon(20) is made of rubber. The width of the ribbon is in the range of 5mm to 20mm. The thickness of the ribbon(20) is in the range of 0.5mm to 3mm. Therefore, the manufacturing and mounting of the bead pillar is performed directly on the forming process of a green tire, thereby the productivity of tire forming is improved through automation of the tire forming process.
Patent KR-20000040472-A (KR)
Title: Charging and discharging device of a secondary lithium ion battery
Inventor: LEE HO JIN
IPC: H02J7/00
Filed: 1998-12-18
Abstract: PURPOSE: A charging and discharging device of a secondary lithium ion battery is provided to prevent the damage of a probe pin by charging and discharging the secondary battery at a proper position by a fixing plate. CONSTITUTION: A lithium ion battery includes a tray which charges and discharges the battery after the battery is inserted into a fixing member. A fixing plate(38) is provided on the upper surface of the tray(30). A plurality of through-holes(40) are formed in the fixing plate(38). The through-hole(40) is smaller than the fixing device(34) of the tray(30). The through-hole(40) corresponds to the fixing device(34). The secondary battery is inserted into the through-hole(40) and the fixing device(34).0
Patent KR-20000041880-A (KR)
Title: Lean burn apparatus of electronic control engine of gasoline automobile
Inventor: YEO HUN
IPC: F02P13/00
Filed: 1998-12-18
Abstract: PURPOSE: A lean burn apparatus of electronic control engine of gasoline automobile is provided to achieve a fuel economy and reduce smoke pollution and engine noise while extending a piston compression area by arranging a ring to a spark plug. CONSTITUTION: A lean burn apparatus comprises a spark plug(1) of gasoline automobile, and a ring(2) having a thickness of 2m to 7m, the ring(2) being mounted to the spark plug(1) so as to extend a piston compression area, leading to a lean burn.
Patent KR-19990063398-A (KR)
Title: 패스 트랜지스터 회로
IPC: H01L29/786
Filed: 1998-12-24
Abstract: 본 발명의 패스 트랜지스터 회로는, 패스 트랜지스터 논리를 갖는 복수의 패스 트랜지스터부를 구비하고, 상기 복수의 패스 트랜지스터부의 패스 트랜지스터 논리 기능에 기초한 논리 기능을 갖는다.  하나 이상의 상기 복수의 패스 트랜지스터부는 p형 MOSFET와 n형 MOSFET로 형성되는 CMOSFET이며, 상기 CMOSFET의 p형 MOSFET와 n형 MOSFET의 적어도 일방은 TFT구조를 갖는 트랜지스터이다.
Patent KR-20000043005-A (KR)
Title: Method for controlling on/off of send/end key using switch of terminal for cars
Inventor: BAE JUN HO
IPC: H04B1/40
Filed: 1998-12-28
Abstract: PURPOSE: A method for controlling an on/off of a send/end key is provided to automatically input the send/end key, by using a terminal switch for cars. CONSTITUTION: A method for communicating with a connected transmitting subscriber by using a hands-free terminal for cars while driving comprises the steps of: if a transmitting subscriber calls, switching a switch located in a predetermined car interior in an "on" direction; transmitting an "on" signal to a micro computer through a male jack and a female jack in the car interior; after being controlled to be inputted a send key by a micro computer received a switching "on" signal, and operating a speaker phone mode by inputting the send key, then transmitting a calling sound to the speaker through a facility jack of the car; after listening the calling sound, communicating with the transmitting subscriber during a predetermined time, switching the switch in an "off" direction, when the communication is completed; transmitting a switching "off" signal to the micro computer through the male jack and the female jack; and controlling to input an end key by the micro computer received the switching "off" signal, transmitting an end control signal of the speaker phone mode to the speaker.
Patent KR-20000045010-A (KR)
Title: Breakdown record management method of toll network
Inventor: JUNG OK JIN
IPC: G06Q10/00
Filed: 1998-12-30
Abstract: PURPOSE: A breakdown record management method of a toll network is provided to input various breakdown-related things in a database when managing toll network by using TRUMAN(TRUnkl MANagement system). CONSTITUTION: A breakdown record management method of a toll network consists of four steps. At a first step, when a breakdown occurs, a database for preparing transmission route change is made. At a second step, if the breakdown is the self-problem, the relay station will correct the breakdown. At a third step, if the breakdown is not the self-problem, the relay station requests repair to another relay station. At a fourth step, after repairing, the contents of the breakdown and the repair are recorded to a database.
Patent KR-20000045760-A (KR)
Title: Apparatus and method for generating control pulse in automobiles
Inventor: KIM YOUNG JIK
IPC: H03K3/02
Filed: 1998-12-30
Abstract: PURPOSE: An apparatus and a method for generating control pulse in automobiles are provided to count the number of pulse of engine controls in automobiles so as to operate according to the result of the counting. CONSTITUTION: An apparatus for generating control pulse comprises a counting section which counts the number of inputted digital pulses, a reset section which resets the counting section according to inputted results of reference pulses, a difference detector section which compares the results from the counting section with the average results and provides the results of the differences in order to output pulse control values, and a pulse control output section. The method enables automobiles to precisely control the number of pulses.
Patent KR-20000045839-A (KR)
Title: Assembly structure of passenger seat side air bag cushion
Inventor: LEE JEONG MIN
IPC: B60R21/16
Filed: 1998-12-30
Abstract: PURPOSE: An assembly structure of passenger seat side air bag cushion is provided to simplify the structure for fixing the air bag cushion and achieve an improved assembly feature and work efficiency while utilizing a stopper retainer for compensating multidirectional force caused by an internal gas generated in an inflator housing. CONSTITUTION: An assembly structure comprises an air bag cushion(3), an inflator(5) for deploying the air bag cushion upon collision of vehicle, and an inflator housing(7) accommodating the inflator(5) and the air bag cushion(3), wherein the housing(7) of the inflator(5) has at a side surface thereof a plurality of protrusions(11) and a projected flange(13) and at both side edges thereof a pair of blocking protrusions(15), the air bag cushion(3) has at a lower end of side surface thereof a plurality of perforations(17) to be coupled with the protrusions(11), at a lower edge thereof a stopper rod(19), and a square C-shaped rod retainer(9) is inserted into the protrusions(11) and the projected flange(13) and fixed onto the stopper rod(19).
Patent KR-20000045895-A (KR)
Title: Method for forming test pattern
Inventor: KWON OH JEONG
IPC: H01L21/66
Filed: 1998-12-30
Abstract: PURPOSE: A method for forming a test pattern is provided to form a gate oxide integrity test pattern at the center of the pad contact in order to use the gate oxide integrity region to increase test accuracy. CONSTITUTION: A method for forming a test pattern includes following steps. At the first step, a device isolation layer(13) is formed on a semiconductor substrate. At the second step, a pad region(17) including a large area so as to interconnect the device isolation layer. At the third step, a gate oxide integrity is accumulated on the result of the preceding steps. The horizontal and vertical lengths of the gate oxide integrity according to the present invention is set to be over than 100 micrometers, respectively. The pad region is formed so as not to include a dummy active region. The polycide layer includes a pad contact portion for displaying the pad region.
Patent KR-19990044380-A (KR)
Title: 합성수지제 관상체의 제조방법 및 그 장치, 및 합성수지제 흡입 매니폴드
IPC: F02M35/10
Filed: 1997-07-02
Abstract: 본 발명에 관련되는 합성수지제 관상체의 제조방법은, 입구관부와 출구관부의 방향이 다른 합성수지제 관상체를 제조하는 방법으로서, 상기 관상체의 각 분할체를 1쌍의 성형형내에서 성형하고, 이 성형형내에서 상기 분할체 끼리를 맞붙임과 동시에 충합부의 주변을 따라 형성된 내부 통로내에 용융수지를 충전함으로써, 상기 분할체 끼리를 접합하도록한 합성수지제 관상체의 제조방법에 있어서, 입구관부와 출구관부의 어느 하나의 관단부에 조합되어 성형형의 개폐방향과 다른 방향으로 슬라이딩이 가능한 코어부를 갖는 회전식 사출성형용 성형형을 이용하여, 코어삽입공정과 형체공정과 사출공정과 형개공정과 코어 빼내기 공정과 이젝션공정과 형회전공정의 각 공정을 실시하고, 상기 성형형의 1회의 회전동작마다, 각 분할체를 성형하는 1차 성형과 1쌍의 분할체 끼리를 접합하는 2차 성형을 실시하여, 각 회전동작마다 완성품을 얻는 것을 특징으로 한다.
Patent KR-19990082016-A (KR)
Title: 비-지리적 전화 번호들을 지원하는 방법 및장치
IPC: H04W8/26
Filed: 1996-03-27
Abstract: 통신 네트워크(200)는 NGPN에서 HLR로의 매핑 테이블을 포함하는 변환 서버(202)를 포함할 수 있다.  변환 서버들은 여러 가지 방식으로 배치될 수 있다.  변환 서버는 단일한 중앙집중형 변환 서버일 수도 있고, 또는 네트워크 상에 있는 여러 개의 변환 서버들일 수 있다.  다수의 변환 서버들이 사용될 때에는, VLR(128) 또는 NGPN을 수신하는 다른 네트워크 구성 요소가 어느 변환 서버가 그 NGPN에 대한 매핑을 포함하는지를 결정한다.  이를 수행하는 하나의 방법은, 가입자가 그의 "홈" 영역으로부터 이탈할 때, 그의 NGPN이 "외부" 서비스 제공자의 변환 서버에 제공된다.  외부 변환 서버는 네트워크내의 모든 변환 서버들에 동시에 또는 단계적으로 조회사항을 발송한다.  다른 방법은, NGPN을 수신하는 VLR이 그 NGPN상에 해시 함수를 수행하는 것이다.  해시 함수는 변환 서버를 식별한다.  다음, VLR이 변환 서버에 조회하여 NGPN에서 HLR로의 매핑을 획득한다.  VLR 작동 시스템을 변경함이 없이도 새로운 변환 서버들의 첨가를 수용하기 위해 확장 가능한 해시 함수가 사용된다.  대안적으로, 변환 서버들이 해시 함수들로 식별되는 경우에는, 2 단계 변환 서버에 의해 더 이상의 첨가되는 변환 서버들이 수용된다.  요청된 NGPN에서 HLR로의 매핑을 가지는 변환 서버의 위치를 결정하기 위해서 다수의 변환 서버들로 분리된 변환 서버가 제 2의 해시 함수를 수행한다.  셀 릴레이 주소 변환, 인터넷 및 도메인 네임 변환, 800 번호 이식가능성, 및 지역 전화 번호 이동성 등과 같이 본 발명을 달리 적용할 수 도 있다.
Patent KR-19990087789-A (KR)
Title: 비닐 아세테이트 제조를 위한 콜로이드성 팔라듐-금 합금 촉매
IPC: C07C69/15
Filed: 1997-02-10
Abstract: 본 발명은 에틸렌, 아세트산 및 산소로부터 비닐 아세테이트를 제조하기 위한 지지 팔라듐-금 촉매를 제조하기 위한 미세에멀젼(microemulsion) 방법에 관한 것이다.  바람직한 촉매 조성물은 콜로이드성 팔라듐-금 합금의 함량이 α-알루미나 지지체상에 동일하게 분포되어 있다.  본 발명의 촉매는 장기간의 가공 기간에 걸쳐 비닐 아세테이트 제조에 대해 지속된 선택성을 나타낸다.
Patent KR-20000016739-A (KR)
Title: Process for the inactivation of genes which code for enzymes for the catabolism of phenyl acetate, plasmids involved in such process and strains transformed therewith
Inventor: FERNANDEZ CANON JOSE MANUEL
IPC: C12R1/66
Filed: 1998-04-17
Abstract: PURPOSE: Process for inactivating genes which code for enzymes of the phenyl acetate catabolism, plasmids containing them and strains transformed therewith are provided which increase the production of penicillin by inactivating the phenyl acetate catabolism using a DNA compound. CONSTITUTION: Process for inactivating genes which code for enzymes of the phenyl acetate catabolism, plasmids containing them and strains transformed therewith are described. The process applies preferably to the gene pahcA of A. nidulans and to the gene pahA of P. chrysogenum, genes which code respectively for competitor enzymes for this substrate with the biosynthetic enzymes of penicillin. The non expression of the enzymes favors the synthesis of this antibiotic, increasing its production, with a smaller demand of phenyl acetate per culture unit.
Patent KR-20000050339-A (KR)
Inventor: SUH SOO WON
IPC: A61M5/178
Filed: 1999-01-07
Abstract: PURPOSE: A simplified hit-type device is used for injection, in particular in the field of veterinary medicine. The device is designed to carry out it only by simple action, without any direct contact with animals to be treated. Thereby, the device is provided for users to give the convenience interest of usage, the reduction for cost, and the simplification of injection. CONSTITUTION: A hit-type device for injection is shown in figure 2 in detail. Referring to a sectional view 2, various parts are comprised to the device to function the characteristic features. A hit vessel is formed at inner space of the device and can be a contractible form. A drug package is contained with a desired medicine for animals. An injection syringe is made to inject appropriately the medicine into subcutaneous region of skin in hitting. A first direction valve and a second direction valve function properly controlling an amount of dosage in use by plugging both valves in turn.
Patent KR-20000051016-A (KR)
Inventor: LEE HYUNG GU
IPC: G03G15/10
Filed: 1999-01-18
Abstract: PURPOSE: A system for transmitting ink of a wet electro photographic printer is provided to easily supply concentration ink and carrier by mounting a refill cartridge and a waste refill cartridge in a mounting unit outside a main body of the printer. CONSTITUTION: A system for transmitting ink of a wet electro photographic printer includes a circulation tank(104) connected to a developing unit for supplying a developing solution, an ink tank(106) and a carrier tank(108) incorporated in a main body of the printer for storing concentration ink and carrier of a predetermined color to be supplied to the circulation tank, a refill cartridge(114) for supplementing ink and carrier to the ink tank and the carrier tank via ink and carrier supplemental passage, a disposal tank(120) for collecting waste developing solution in the circulation tank, and a waste refill cartridge mounting unit(124) detachably mounted with an empty refill cartridge and provided in the main body of the printer to be communicating with the disposal tank.
Patent KR-20000051782-A (KR)
Inventor: AHN HYUNG JIN
IPC: G03G15/16
Filed: 1999-01-26
Abstract: PURPOSE: An apparatus for cleaning a transfer roller and an optical photoreceptor of a printer is provided to collect residual impurities or waste ink on the transfer roller or the optical photoreceptor by a cleaning roller rotating in a close contact with the transfer roller, thereby improving printing quality. CONSTITUTION: An apparatus for cleaning a transfer roller and an optical photoreceptor of a printer includes a cleaning roller(110) mounted for rotating in a close contact with an outer periphery of the transfer roller(61), a heat source mounted in the cleaning roller for heating an outer periphery of the cleaning roller, and a detaching element for making the cleaning roller contacted or separated from the outer periphery of the transfer roller, wherein the outer periphery of the cleaning roller is formed of a material of which surface energy is higher than the outer periphery of the transfer roller, and the detaching element includes inner and outer frames(131,133), an elastic element, a first driving motor(136), a first driving gear(137) and a cam gear(138).
Patent KR-19990077500-A (KR)
Title: 고체물질의마이크로캡슐화방법
IPC: B01J13/06
Filed: 1999-02-27
Abstract: 본 발명은 (i) (a) 중간층을 형성하는 물질을 함유하는 용액 및 (b) 상기 용액에 불용성이거나 용해되기 어려운 고체 물질을 포함하는 분산액상을 제조하고, (ii) 상기 용액으로부터 중간층을 형성하는 물질을 상분리하여, 중간층을 형성하는 물질로 이루어진 층을 갖는 고체 물질을 수득하며, (iii) 중간층을 형성하는 물질로 이루어진 층을 갖는 고체 물질의 존재하에서, 축중합 가능한 단량체를 반응시키는 것을 특징으로 하는 고체 물질의 마이크로캡슐화 방법 및 상기 방법에 의해 수득된 마이크로캡슐화 조성물에 관한 것이다. 
     상기 방법은 의약 활성 성분, 농약 활성 성분, 향료 활성 성분 등의 고체 물질을 효과적으로 마이크로캡슐화시킬 수 있으며, 우수한 고체 물질의 마이크로캡슐화 조성물을 제공할 수 있다.
Patent KR-19990064516-A (KR)
Title: 삼각파 스위핑 방식을 이용한 전자감응식 상품도난 방지용 시스템
Filed: 1999-03-25
Abstract: 본 발명은 고정 무선통신 기술을 응용한 전자감응식 상품도난 방지용 시스템에 관한 것이다. 본 발명의 목적은, 상점이나 유통센터에서 상품도난을 방지하기 위해 상품에 부착하여 사용하는 전자감응식 상품도난 방지용 RF(Radio Frequency) 태그의 신호를 검출하는 전자감응식 상품도난 방지용 시스템 중에서 송신기의 삼각파 스위핑 방식을 이용하는 것이다. 
     본 발명은, 인덕터와 커패시터로 구성된 LC직렬공진 회로를 갖는 RF 태그가 송신기에서 방사된 신호를 왜곡시키면 수신기에서는 왜곡된 이 신호를 검출하여 보안영역 안에 RF 태그가 있음을 알린다. 특히, 송신기는 오실레이터에서 바로 디지털 카운더를 통해서 디지털/아날로그 변환기를 거쳐 스위핑할 삼각파를 만들어 내고, 다음 단에서 스위핑할 최대 수파수와 최소 주파수를 결정할 직류 전압을 조정하는 단계를 거쳐 전압제어 발진을 하는 간단한 구성을 하고있다. 
     본 발명으로 인하여, 전자감응식  상품도난 방지용 시스템에서, 사용되는 송신기에 아날로그 방식으로 인한 발생신호의 불안정성과 시스템 설계의 어려움을 디지털 방식으로 설계하여 설계나 제작을 간편하게 하고, 확실한 동작을 하게 하여 안정한 시스템이 되게 하였다.