序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
241 출력 신호 보정 장치 및 방법 KR1020140178997 2014-12-12 KR1020160072288A 2016-06-23 김정용; 이철승
본발명은출력신호보정장치에관한것으로, 전원부로부터공급되는전원을미리설정된전압으로변환하는레귤레이터, 레귤레이터로부터전압을공급받아외부의입력신호를입력받는입력부, 레귤레이터로부터전압을공급받아미리설정된신호처리를거친후 입력신호를전달하는제어부및 전원부로부터전압을공급받아전달되는입력신호를출력하는출력부를포함하되, 입력부는전원부의공급전압을입력받아제어부로전달하고, 제어부는전원부의기설정된기준공급전원과입력되는공급전압에기초하여입력신호를보정하여전달하는것을특징으로한다.
242 네트워크 모뎀 장치 KR1020130150129 2013-12-04 KR1020150065052A 2015-06-12 이일묵; 이문하
본발명은네트워크모뎀장치에관한것으로, 디지털데이터를아날로그신호로변환하여출력하는데이터변환유닛과, 소정의직류전압을입력으로받아다수의필요한정격전압으로변환하는전압변환유닛과, 소정의직류전압을외부근거리통신망을통해외부단말장치에공급하기위한외부전원공급유닛을포함함으로써, 아날로그카메라대신디지털카메라로교체되어도기존의동축케이블을그대로사용할수 있다.
243 차량의 주변을 검출하기에 적합한 반향 신호의 증폭을 위한 방법 및 상기 방법의 실행을 위한 장치 KR1020147006213 2012-07-17 KR1020140065408A 2014-05-29 칼마티아스
본 발명은 반향 신호의 전파 시간에 따른 증폭으로 증폭되는, 차량의 주변 검출에 적합한 아날로그 반향 신호가 증폭되기 위한 방법에 관한 것으로서, 아날로그 반향 신호는 각각 상이한 증폭을 갖는 복수의 출력부들을 구비한 증폭기와, 시변 기준 전압을 갖는 후방에 연결된 A/D변환기를 이용해 증폭된다. 이때 증폭기의 상이한 출력부들 사이에서 사전 규정된 전환 시점들에 전환이 이루어지고, A/D변환기의 기준 전압은 상기 전환 시점들 사이에서, A/D변환기의 출력부에서 사전 설정된 곡선을 포함하는 전파 시간에 따른 전체 증폭을 갖는 반향 신호가 제공된다.
244 탭 위치 표시기능을 구비한 변압기 자동전압조정장치 KR1020110052839 2011-06-01 KR1020120133917A 2012-12-11 정우연; 이진락
PURPOSE: An automatic voltage control device of a transformer having a tap position indicating function is provided to simplify the configuration of a protective distribution panel by accurately managing the operation number of an on-load tap changer and the tap position indicating function. CONSTITUTION: A multiprocessor(10) receives a secondary side PT(potential transformer) voltage from a transformer. The multiprocessor generates a rising or falling output signal based on the PT voltage. A tap position input unit(20) receives the rising or the falling output signals. The tap position input unit receives a tap position. A tap position digital indicator(30) digitally displays the tap position of the tap position input unit. A step resistance correcting device(40) corrects step resistance by comparing the step resistance and reference resistance. The step resistance correcting device outputs the corrected step resistance to an SCADA(supervisory control and data acquisition) system. [Reference numerals] (AA) PT input; (BB) CT input
245 온도보상기능을 갖는 홀 집적회로 KR1020100098782 2010-10-11 KR1020120066708A 2012-06-25 표승철; 한동옥; 김경욱; 김성태; 이수웅; 박상규
PURPOSE: A hall integrated circuit which has a temperature compensation function is provided to reduce operation errors of a hall device by applying a temperature compensation result of a hall device to reference voltage. CONSTITUTION: A magnetic field detection circuit part(100) detects a differential hall signal from a hall device. A temperature compensation part(200) senses a temperature change. The temperature compensation part varies reference voltage according to the temperature change. A comparator(300) creates a switching signal by comparing the hall signal and reference voltage.
246 연속 접근 방식 아날로그-디지털 변환기 및 아날로그-디지털 변환 방법 KR1020100067034 2010-07-12 KR1020120006351A 2012-01-18 이정호; 임성상; 김용우; 최병주
PURPOSE: A continuous access mode analog-to-digital converter and a analog-to-digital conversion method are provided to rapidly run by executing a comparison operation of the rising edge and the falling edge of a clock signal. CONSTITUTION: A digital-analog converting circuit(110) sample-holds an analog input signal. The digital-analog converting circuit generates a hold voltage signal by changing digital output data into an analog signal. A comparator circuit(130) generates a compare output voltage signal. The compare output voltage signal is a signal in which a first comparison output-voltage signal and a second comparison output-voltage signal are alternatively added. A signal processing circuit(150) executes continuous access based on the compare output voltage signal and generates digital output data.
247 텔레비젼용 블루투스 동글 장치 KR1020080098538 2008-10-08 KR1020100039535A 2010-04-16 신정식; 이근오
PURPOSE: A blue-tooth dongle device of a television is provided to minimize the delay of an audio signal, and to quietly listen to the audio signal of the television without disturbing other people. CONSTITUTION: A blue-tooth dongle device comprises the following: an audio signal input unit(110) receiving an optical signal and an electric signal by being connected to an audio out port of a TV; an audio decoder(120) converting the optical signal into a PCM(pulse code modulation) format; an ADC(analog-digital converter)(132) changing the electric signal into digital data; an encoder(134) compressing either the digital data or the converted optical signal; and an RF(radio frequency) transmitter(140) wirelessly transmitting voice data compressed by the encoder.
248 이퀄라이저의 이득 조정 장치 KR1020060059777 2006-06-29 KR1020080001366A 2008-01-03 원종호
A gain control apparatus in an equalizer is provided to operate a control range of the equalizer elastically according to an inputted signal and a signal varied in a volume controller in a state that the maximum output of a speaker is fixed. An A/D(Analog to Digital) converter(201) converts an inputted audio signal into a digital signal. A volume controller(202) controls the converted digital signal to various sizes. An equalizer(204) emphasizes a specific frequency band of the audio signal. A comparator(208) compares the A/D-converted audio signal with the detected size of the volume-controlled signal. A controller(210) controls a volume level of the volume controller if a level of the signal which is compared by the comparator is equal to or bigger than a specific level. After that, the controller controls the gain controller to control a gain of the equalizer.
249 유수분리시스템용 정밀 Level 측정 시스템 KR1020060012930 2006-02-10 KR1020070081187A 2007-08-16 제우성; 김경우; 임종석
A precise level measurement system for a bilge separation device is provided to reduce erroneous operations of the system by controlling the capacitance set to operate a pump attached to the bilge separation device as the height information of oil. A precise level measurement system for a bilge separation device includes a dielectric measuring sensor(100), a level measuring sensor(200), a signal processing unit(300), a controller(400), and a cylinder type bilge separation device(500). The dielectric measuring sensor generates an analog signal to turn on/off a pump by measuring a dielectric constant according to a ratio between oil and water of the bilge separation device by being attached to a middle part of a side surface of the cylindrical type bilge separation device horizontally. The height measuring sensor generates an analog signal by measuring the capacitance according to the level of the oil. The controller displays the time of turn on/off of the pump and the level of the oil according to the digital signal converted at the signal processing unit and controls the capacitance set to operate the pump by using the signal transmitted from the height measuring sensor.
250 정전 용량식의 레벨센서 KR1020060093469 2006-09-26 KR1020070078040A 2007-07-30 탄지요소하루
A level sensor for electric capacity is provided to easily detect a powder, a solid, or a compound of the powder and the solid by not measuring a minute level. A level sensor for electric capacity includes an electrode(16), an oscillating circuit(22), a voltage controlling circuit(24), a detecting circuit(26), a reference voltage circuit(28), and a comparing circuit(30). The electrode forms a condenser with a container. The oscillating circuit oscillates a high frequency voltage applied to the electrode. The voltage controlling circuit controls the high frequency voltage. The detecting circuit detects the voltage change of the electrode. The reference voltage circuit generates a reference voltage determining the contact sensitivity of the electrode about a liquid. The comparing circuit compares the reference voltage with the voltage detected from the detecting circuit.
251 CLOSED CIRCUIT TELEVISION MONITORING SYSTEM AND MONITORING METHOD THEREOF KR20060043648 2006-05-16 KR100642687B1 2006-10-30 LEE JONG WOOK
A system and a method for monitoring a CCTV(Closed Circuit TV) are provided to prevent a noise in an image signal by inserting a digitalized camera photographing direction information signal into a VBI sector and display a text signal with the image signal by automatically converting the camera photographing direction information signal. A photographing unit(1000) combines an image signal received from a camera(500) with a vertical blanking interval signal, and mixes a photographing direction information signal of the camera which is converted into a digital signal with one sector among non-used sectors of the vertical blanking interval signal for transmitting the mixed signals. A server unit(2000) separates the image signal and the digital photographing direction information signal of the camera, and converts the digital photographing direction information signal of the camera into a text signal for displaying the text signal at the image signal. The photographing unit includes the camera photographing images, a pan/tilt(400) rotating the camera for converting the photographing direction of the camera, and an intellectual control unit(300) controlling the pan/tilt, combining the vertical blanking interval signal with the image signal, mixing the photographing direction information signal with non-used sectors of the vertical blanking interval signal, and transmitting the mixed signals to the server unit.
252 ADC 바이어스 및 게인 조절방법 KR1020040043050 2004-06-11 KR1020050117817A 2005-12-15 안정은; 이준원
본 발명에 따른 ADC 바이어스 또는 게인 조절방법은, 상기 ADC의 바이어스값 또는 게인값을 초기값으로 설정하는 단계와, 상기 바이어스값 또는 게인값을 증가하면서 출력되는 화상의 휘도가 미리 정해둔 제1휘도값에 대응되는지를 체크하는 단계와, 상기 출력되는 화상의 휘도가 미리 정해둔 제1휘도값에 대응되면, 상기 바이어스값 또는 게인값을 감소하면서 출력되는 화상의 휘도가 미리 정해둔 제2휘도값에 대응되는지를 체크하는 단계와, 상기 출력되는 화상의 휘도가 미리 정해둔 제2휘도값에 대응되면, 해당 바이어스값 또는 게인값을 상기 ADC의 바이어스값 또는 게인값으로 설정하는 단계로 구성됨을 특징으로 한다.
253 고화질 일체형 디지털비디오레코더 및 그 신호처리방법 KR1020040099653 2004-12-01 KR1020040107464A 2004-12-20 김월섭
PURPOSE: A high picture-quality digital video recorder and a signal processing method of the digital video recorder are provided to easily locate the digital video recorder in a narrow space by combining one side of an LCD(Liquid Crystal Display) monitor with one side of the main body of the digital video recorder using a hinge. CONSTITUTION: A digital video recorder(100) includes a main body(110) storing input video signals, and an LCD monitor(120) for displaying images corresponding to the input video signals or images corresponding stored video signals. On side of the LCD monitor is combined with one side of the main body using a hinge such that the main body and the LCD monitor are fixed at an angle of 0 to 90 degrees. A panel unit(121) of the LCD monitor is placed toward the outside such that the LCD monitor and the main body are placed one over another.
254 음성신호 암호화 방법 및 그 장치 KR1020030071692 2003-10-15 KR1020040034465A 2004-04-28 이병성
PURPOSE: A method and an apparatus for encrypting an audio signal are provided to prevent a wiretapping of an audio analog signal on a communication line by encrypting reliably the analog audio signal. CONSTITUTION: An apparatus for encrypting an audio signal includes an analog/digital converter(51), a characteristic parameter extractor(52), and a digital/analog converter(53). The analog/digital converter(51) is used for converting analog audio signals to digital audio data. The characteristic parameter extractor(52) is used for extracting intensity values according to frequency elements of the digital audio data. The digital/analog converter(53) is used for converting the extracted data of the characteristic parameter extractor(52) into the analog audio signals. The apparatus for encrypting the audio signal further includes a rearrangement processing unit(80) to rearrange the characteristic parameters of the characteristic parameter extractor.
255 재사용 가능한 제어용 프로토타입 모델에 대한 임베디드실시간 시스템, 그에 따른 제어 장치 및 방법 KR1020040018934 2004-03-19 KR1020040030031A 2004-04-08 강순주; 문재철; 오주용; 박성호; 이명진
PURPOSE: An embedded real-time system for a reusable control prototype model, and a controlling device and a method thereof are provided to control/manage sensors and actuators for operating the reusable control prototype model on a computing environment generally used by a company. CONSTITUTION: The prototype model(260) is equipped with the actuators operated by an electric signal and the sensors performing a detection function. A control system(230) generates commands for controlling the prototype model. An I/O(Input/Output) controller(250) supplies power to each controller equipped to the prototype model and processes a control command. A control system interface(240) interfaces that the control system controls the control device by undertaking communication between the control system and the I/O controller.
256 제어기의 아날로그 출력 정밀도 향상방법 KR1020020011018 2002-02-28 KR1020030071895A 2003-09-13 김민극
PURPOSE: A method for improving accuracy of an analog output of a controller is provided to increase the accuracy of an analog output by outputting the analog signal of higher accuracy than the control accuracy of the controller. CONSTITUTION: A controller is set up as the higher number of output bits than the practical number of output bits. The higher number of output bits is divided into the number of output bits of the controller. The practical number of output bits corresponding to an analog value outputted according to the divided number of output bits is outputted according to periods of plural pulse width modulation signals(c). The practical number of output bits are converted to analog signals(b) by analyzing the practical number of output bits according to the analog operation periods corresponding to the plural pulse width modulation signals(c).
257 디지털 변환방식의 RF 중계기 KR1020000058906 2000-10-06 KR1020020028030A 2002-04-15 이낙주
PURPOSE: A digital conversion type RF(Radio Frequency) repeater is provided to offer an RF repeater with a digital conversion type converter that converts an RF signal, received from a mobile terminal and a base station, into a digital IF(Intermediate Frequency) signal, upconverts it an RF signal, and transmits it to the mobile terminal and the base station. CONSTITUTION: A signal transmitted from a base station is supplied to an RF repeater(50) through an antenna(52). A signal transmitted from the RF repeater(50) through an antenna(72) is supplied to a mobile terminal. The signal transmitted from the base station is supplied to the bidirectional filter(54) of the RF repeater(50) through the antenna(52). The bidirectional filter(54) filters the RF signal and supplies it to a low noise amplifier(56). The low noise amplifier(56) amplifies the signal and supplies it to the first mixer(58), connected with the low noise amplifier(56) and a local part(74). At this moment, signals from the low noise amplifier(56) and the local part(74) respectively are supplied to the first mixer(58). The first mixer(58) mixes the RF signal supplied from the low noise amplifier(56) with the signal supplied from the local part(74), generates an IF signal, and supplies it to an A/D converter(60). The A/D converter(60) converts the IF signal into a digital signal and supplies it to a digital filter(62). The digital filter(62) is connected with a controller(76) that provides a preset coefficient to determine the filtering bandwidth of the digital filter(62). The digital filter(62) filters the digital signal according to the preset coefficient supplied from the controller(76) and supplies it to a D/A converter(64).
258 지진감시시스템 KR1019980053236 1998-12-05 KR1020000038288A 2000-07-05 이종림; 허택영; 강태구; 오상묵
PURPOSE: An earthquake monitoring system is provided to quickly and accurately evaluate the influence on a building by the earthquake, thereby performing rapid pre and post measurements. CONSTITUTION: An earthquake monitoring system comprises an earthquake sensor unit(10), a digital signal processor(20), a computer(30), a printer(40), a programmable logic controller(50), a digital signal processor interface(70) and a power supply(80). The earthquake sensor unit(10) consists of 3-axis accelerator and a trigger switch. The digital signal processor(20) has an A/D converter converting the acceleration value into a digital value to consistently compare instantaneous values with a preset value. The computer(30) receives event signals and earthquake data from the processor. The programmable logic controller(50) outputs maximum value of the earthquake signals to a bar graph displayer. The digital signal processor interface(70) converts signal levels in order to interface between an earthquake trigger in a field, the logic controller and the processor.
259 지진 감시 시스템 KR1020000017709 2000-04-04 KR1020000037017A 2000-07-05 박대진; 구성자; 박승수; 이경록; 조성호; 노용우; 유휘룡
PURPOSE: A seismic monitoring system is provided to rapidly confirm and measure an earthquake to precisely predict damages due to the earthquake for coping effectively with the tense situation and store the seismic wave data semi-permanently for future investigation. CONSTITUTION: A seismic monitoring system includes a seismic wave monitoring unit for sensing generation of seismic and measuring the movement of ground by acceleration unit, and a seismic wave receiving part for analyzing the acceleration data of the ground, filtering seismic components of natural frequency band at which a supply maintenance office is weakest, performing a vector synthesizing of a horizontal two components(south and north, east and west) and a vertical one component to compute a maximum ground acceleration, determining whether the movement of the ground is an earthquake or a simple impact, analyzing seismic response characteristics and comparing a state of a gas supply management office with a preset value if the movement is determined to be the earthquake, and storing the data and transmitting a seismic alarm, the maximum ground acceleration and a spectrum intensity to a control part.
260 무선으로 전력을 수신하는 전자 장치 및 그 제어 방법 KR20160150917 2016-11-14 KR20180022522A 2018-03-06 PARK JAE SEOK; RYU YOUNG HO
본발명의다양한실시예에따른전자장치는, 무선전력송신기로부터전력을무선으로수신하는전력수신부, 복수개의정류기및 상기수신된전력의크기를검출하고상기복수개의정류기중 정류를수행할정류기를상기전력의크기에기초하여선택하고, 상기선택된정류기로상기수신된전력을정류하도록제어하는컨트롤러를포함할수 있다.
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