| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 41 | 고주파 신호의 피크 엔벨롭 변조를 위한 전력 증폭기 회로 | KR1020060070733 | 2006-07-27 | KR100813660B1 | 2008-03-14 | 김성우 |
| 본 발명은 고주파 신호의 피크 엔벨롭 변조를 위한 전력 증폭기 회로에 관한 것으로서, 상기 전력 증폭기 회로는, 캐리어 신호의 엔벨롭 중에서 선정된(predetermined) 레벨 이상인 제1 신호를 입력 받아 변환 신호를 생성하는 트랜스포머, 및 상기 변환 신호를 기반으로 동작하고, 상기 캐리어 신호를 기반으로 생성된, 소정의 DC 성분을 가지는 제2 신호를 입력 받으며, 상기 변환 신호에 따라 상기 제2 신호를 증폭하여 출력 신호를 생성하는 트랜지스터를 포함한다. 트랜스포머, 피크 엔벨롭(envelope) 변조, 전력 증폭기, 동작점 변화, 전력 효율 | ||||||
| 42 | 라디오 주파수 전송을 위한 공진 파워 컨버터 및 방법 | KR1020047013854 | 2003-03-04 | KR100782224B1 | 2007-12-05 | 노스워씨스티븐알; 노스워씨로스더블유 |
| 본 발명은 신호 및 파워 변환을 위한 개선된 장치 및 방법을 제공함으로써 상기 요구를 만족시킨다. 본 발명의 제1태양에서, RF신호의 공진 파워 변환을 위한 개선된 장치가 개시디어 있다. 이 장치는 일반적으로 다수의 펄스를 발생시키는데 적합한 펄스입력소스; 이 펄스입력소스에 작동가능하게 결합된 공진기; 및 공진기의 출력에 작동가능하게 결합되고 다수의 RF 신호를 전송하는데 적합한 전송매체를 포함한다. 일실시형태에서, 공진기는 실질적으로 캐리어 주파수에서 또는 그 근처에서 공진주파수를 가지며, 그의 계속적인 전송을 위한 다수의 발생된 펄스의 적어도 일부분의 선택적 보강을 통해 에너지를 효율적으로 저장하는데 적합하다. 공진, 컨버터, 라디오주파수, 전송 | ||||||
| 43 | 신호발생장치, 주파수변환장치, 및 수신기 | KR1020050094259 | 2005-10-07 | KR100672030B1 | 2007-01-19 | 김현석 |
| A signal generation device, a frequency conversion device, and a receiver are provided to control the duty of differential signals inputted to an I/Q generator by using a duty control circuit, thereby generating an I signal(In-phase signal) and a Q signal(Quadrature-phase signal) having a phase difference of 90 degrees. A signal generation device(110) comprises the followings: an oscillator(112) which generates differential signals; a duty control circuit(120) which responds to at least one control signal and controls duty of the difference output signals in order to control phases of the differential output signals generated according to the result that difference of the differential output signals, inputted to an input terminal with a pair, is amplified, and outputs the differential output signals, in which the duty is controlled, to a pair of output terminal; and a signal generation circuit(16). | ||||||
| 44 | AM 변조회로 | KR2019820005675 | 1982-07-19 | KR2019860000897Y1 | 1986-05-14 | 호소야노부가즈; 무라까미요시히로 |
| 내용 없음. | ||||||
| 45 | 진폭 변조회로 | KR2019820006525 | 1982-08-17 | KR2019860000896Y1 | 1986-05-14 | 마에다테쯔히로; 호소야노부까즈 |
| 내용 없음. | ||||||
| 46 | 전력선 통신을 위한 진폭 변조 방식 송신기 및 수신기 회로 | KR1020110027100 | 2011-03-25 | KR1020120108783A | 2012-10-05 | 김영; 조현영; 홍두선 |
| PURPOSE: Amplitude modulation transmitter and receiver circuits for power line communication are provided to improve distance of communication by transmitting an image without being affected by an image acquisition system. CONSTITUTION: A first amplification portion(130) amplifies a carrier wave of a preset frequency. A level control portion(150) is connected to an output terminal of the first amplification portion. A second amplification portion(140) includes the output terminal which is connected to one end of the level control portion. The second amplification portion amplifies a video signal in response to a level of the amplified carrier wave. A third amplification portion(160) is connected to the other end of the level control portion. The third amplification portion amplifies the amplitude-modulated video signal. An overlapping output unit(170) outputs the amplified amplitude modulation and the amplified video signal to a power line. The level control portion controls the degree of correspondence to the level of the amplified carrier wave of the second amplification portion. [Reference numerals] (AA) Video signal m(t); (BB) Modulation signal; (CC) Carrier wave cos(wct) | ||||||
| 47 | 급전 장치 및 비접촉 급전 시스템 | KR1020110144729 | 2011-12-28 | KR1020120084659A | 2012-07-30 | 카마타코이치로; 오카노신야; 사토미사코; 마에다슈헤이 |
| PURPOSE: A feeding device and a noncontact feeding system are provided to obtain high power transmission efficiency between a feeding device and a receiving device without dynamically controlling an oscillation frequency according to a distance between the feeding device and the receiving device. CONSTITUTION: Resonant coils(116,121) transmit power to a receiving device(120). A coil(114,123) is electron-coupled with the resonant coil. A transceiver circuit(113,124) modulates a second wireless signal from a feeding device(110). A matching circuit(112) performs impedance matching of a high frequency power source and the coil. A control circuit(115,128) generates data of a first wireless signal overlapping an AC signal. | ||||||
| 48 | 반도체 소자 및 그의 제조방법 | KR1020100104620 | 2010-10-26 | KR1020120068069A | 2012-06-27 | 이종민; 민병규; 김성일; 윤형섭; 김해천; 남은수 |
| PURPOSE: A semiconductor device and a method of manufacture thereof are provided to minimize a chip size by integrating a bipolar transistor and a variable capacitance diode on one top of a single substrate. CONSTITUTION: A substrate(10) includes a first region and a second region. A transistor includes first to third conductive impurity layers laminated on the substrate of the first region. A variable capacitance diode(80) is separated from the transistor of the first region. The variable capacitance diode includes the first and second conductive impurity layers laminated on the substrate of the second region. | ||||||
| 49 | ＲＦ 전력 신호들의 엔벨로프 검출 장치 | KR1020047019679 | 2003-05-08 | KR1020050027990A | 2005-03-21 | 바-다비드,이스라엘; 베인-블라트,알렉산더 |
| Apparatus for detecting the envelope of an RF signal that comprises an RF transistor operating essentially at a non-linear operating point at the RF frequency range; a DC power supply for feeding the RF transistor; a dummy load for terminating the output of the RF transistor; and at lease one impedance, through which the DC power supply feeds the RF transistor, for obtaining an indication signal developed across the impedance. The indication signal represents the envelope, from the fluctuating current drawn by the RF transistor from the DC power supply during the time period when the RF signal is applied to the feeding input. | ||||||
| 50 | 라디오 주파수 전송을 위한 공진 파워 컨버터 및 방법 | KR1020047013854 | 2003-03-04 | KR1020040105752A | 2004-12-16 | 노스워씨스티븐알; 노스워씨로스더블유 |
| 본 발명은 신호 및 파워 변환을 위한 개선된 장치 및 방법을 제공함으로써 상기 요구를 만족시킨다. 본 발명의 제1태양에서, RF신호의 공진 파워 변환을 위한 개선된 장치가 개시디어 있다. 이 장치는 일반적으로 다수의 펄스를 발생시키는데 적합한 펄스입력소스; 이 펄스입력소스에 작동가능하게 결합된 공진기; 및 공진기의 출력에 작동가능하게 결합되고 다수의 RF 신호를 전송하는데 적합한 전송매체를 포함한다. 일실시형태에서, 공진기는 실질적으로 캐리어 주파수에서 또는 그 근처에서 공진주파수를 가지며, 그의 계속적인 전송을 위한 다수의 발생된 펄스의 적어도 일부분의 선택적 보강을 통해 에너지를 효율적으로 저장하는데 적합하다. | ||||||
| 51 | 알에프 스위치 일체형 알에프 변조회로 | KR1020010070358 | 2001-11-13 | KR100418812B1 | 2004-02-18 | 김용규; 오덕수 |
| An RF system integrated with an RF switching unit and an RF modulator unit. In accordance with the present invention, it is provided the RF system including a plurality of antenna, an RF unit and a digital tuner and demodulator unit, includes a plurality of RF input terminals connected with the respective antenna; an RF relay for selectively outputting RF signal inputted to the plurality of RF input terminals on the basis of control signal; an RF amplifier for amplifying RF signal outputted from the RF relay; an RF signal distributor for distributing RF signal amplified and outputted from the RF amplifier; an RF modulator for receiving and modulating signal outputted from the digital tuner and demodulator unit connected with the RF signal distributor to output RF signal; an RF selection switch for selectively outputting at least one of RF signal outputted from the RF signal distributor and RF signal outputted from the RF modulator on the basis of control signal; and an RF output terminal for outputting signal from the RF selection switch. | ||||||
| 52 | 무선 주파수 변조기 | KR1020117012718 | 2009-11-05 | KR1020110081900A | 2011-07-14 | 로드리게즈,이스트반; 린드퀴스트,제이알.,로버트,에이. |
| 본 발명의 무선 주파수 변조기 시스템은 무선 주파수 증폭기 및 펄스 변조기를 포함한다. 무선 주파수 증폭기는 무선 주파수 신호를 공급받는 제어 전극과 기준 전위로부터 일정한 전위를 갖는 DC 전압이 인가되었을 때 무선 주파수 신호의 증폭을 수행하는 출력 전극을 갖는 증폭기 트랜지스터, 및 증폭기 트랜지스터에 연결되는 에너지 저장 소자를 구비한다. 펄스 변조기는 무선 주파수 증폭기에 의해 무선 주파수 신호를 증폭하고자 하는 경우 입력 펄스에 응답하여 DC 전압을 출력 전극에 인가하고, 출력 전극으로부터 무선 주파수 신호를 소거하고자 하는 경우 출력 전극에 인가되는 DC 전압의 공급을 중단하며, DC 전압이 출력 전극에 인가되는 경우 저장 소자에 전하가 저장되는 제 1 스위칭 회로, 및 DC 전압이 출력 전극으로부터 소거되는 경우 입력 펄스에 응답하여 저장된 전하를 방출하는 제 2 스위칭 회로를 구비한다.
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| 53 | 고주파 신호의 피크 엔벨롭 변조를 위한 전력 증폭기 회로 | KR1020060070733 | 2006-07-27 | KR1020080010569A | 2008-01-31 | 김성우 |
| A power amplifier circuit for a peak envelope modulation of a high frequency signal is provided to reduce the loss of power and to improve the distortion of signals by generating a power amplified signal by the envelope modulation of the high frequency signal. A power amplifier circuit for peak envelope modulation of a high frequency signal includes a transformer(TF), and a transistor(Q51). The transformer receives a first signal over a predetermined level, selected from the envelope of a carrier signal, and generates a conversion signal. The transistor operates based on the conversion signal, receives a second signal having a predetermined DC component, generated based on the carrier signal, and amplifies the second signal according to the conversion signal to generate an output signal. | ||||||
| 54 | 펄스폭변조 ＲＦ 구동을 갖춘 디지털 진폭변조 송신기 | KR1020077026094 | 2006-03-20 | KR1020070119084A | 2007-12-18 | 루,키토아이 |
| A digital amplitude modulation (AM) transmitter with pulse width modulating RF drive is presented. A plurality of RF amplifiers, each, when turned on, amplifies an applied RF drive signal by the same amount to provide a unit step RF output. An encoder supplies turn-on signals to turn on a number of the RF amplifiers wherein the number varies as a function of the value of an applied audio signal. The width of the unit step RF output is varied as a function of the number of the RF amplifiers that are turned on. | ||||||
| 55 | 고주파 신호의 엔벨롭 변조를 위한 전력 증폭기 회로 및방법 | KR1020060063909 | 2006-07-07 | KR100757371B1 | 2007-09-11 | 김성우; 이정훈; 이재섭 |
| A power amplifier circuit for the envelope modulation of a high frequency signal and a method for the same are provided to improve the performance of a system by being applied to a transmitter of a ubiquitous system. A power amplifier circuit(300) for the envelope modulation of a high frequency signal includes a transformer(TF) and a transistor(Q31). The transformer(TF) generates a signal converted due to receiving a first signal. The transistor generates an output signal combining a second signal and the converted signal through one terminal connected to the converted signal by receiving the second signal having a DC(Direct Current) component. An envelope of the output signal is controlled by the first signal. Two terminals of a first coil receive a first power and the first signal respectively. A first terminal of a second coil is connected to a second power and a second terminal of the second coil generates the converted signal. | ||||||
| 56 | 알에프 스위치 일체형 알에프 변조회로 | KR1020010070358 | 2001-11-13 | KR1020030039434A | 2003-05-22 | 김용규; 오덕수 |
| PURPOSE: An RF modulation circuit integrated with an RF switch is provided to prevent lowering of capacity due to loss of signals and a noise signal and reduce the size of the product by integrating an RF switch and an RF distributor in one module. CONSTITUTION: A plurality of RF input terminals(110,120) are connected to antennas(21,22) respectively. An RF relay(130) selectively outputs RF signals received at the plurality of RF input terminals after being switched by an RF relay control signal. An RF amplifier(140) amplifies the RF signals. An RF signal distributor(150) distributes the RF signals amplified from the RF amplifier. An RF modulator(160) receives digital video/audio signals for modulating the signals into a specific analog channel broadcasting to output another RF signals. An RF selecting switch(170) selectively transmits the RF signals output from the RF signal distributor or the RF signals output from the RF modulator. An RF output terminal(180) outputs the signals output from the RF selecting switch. | ||||||
| 57 | 펄스 지능형 ＲＦ 변조 제어기 | KR1020020011616 | 2002-03-05 | KR1020020077646A | 2002-10-12 | 나스만,케빈피.; 보나,다니엘제이.주니어; 라돔스키,아론티.; 펄해무스,윌리암알.주니어 |
| PURPOSE: A pulsing intelligent RF modulation controller is provided to control a generator power output by supplying output signal having setting time in real time. CONSTITUTION: The plasma generator(10) includes a system controller(14) for generating control signals and processing monitoring and fault signals. An external interface(16) is connected to the system controller(14) through an interface bus for communicating information with external equipment or users. A driver(18) connected to the system controller(14) generates buffered drive signals corresponding to the control signals. The drive signals drive a modulator(20) that converts rectified line power to an unfiltered output. The unfiltered output is coupled to an output assembly(22) that includes an output filter(24) and a detector(26). The unfiltered output is filtered by the output filter(24) to generate the power output(12). The detector(26) generates a sense signal that corresponds to at least one signal characteristic of the output voltage(12). | ||||||
| 58 | CURRENT DRIVEN FLOATING DRIVER CIRCUIT | EP15154619.9 | 2015-02-11 | EP2908271B1 | 2018-09-19 | Simons, Sven |
| A circuit for generating a modulated signal is disclosed. The circuit includes a constant current source. The circuit further includes a first switch that is coupled to the constant current source. The circuit also includes a second switch that is coupled to the first switch and a ground. The first switch and the second switch are coupled to a third switch. The third switch is coupled to a first integrated circuit pad. The first integrated circuit pad is defined to be used for coupling the third switch to a resonance circuit. | ||||||
| 59 | Current driven floating driver circuit | EP15154619.9 | 2015-02-11 | EP2908271A1 | 2015-08-19 | Simons, Sven |
A circuit for generating a modulated signal is disclosed. The circuit includes a constant current source. The circuit further includes a first switch that is coupled to the constant current source. The circuit also includes a second switch that is coupled to the first switch and a ground. The first switch and the second switch are coupled to a third switch. The third switch is coupled to a first integrated circuit pad. The first integrated circuit pad is defined to be used for coupling the third switch to a resonance circuit.
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| 60 | TRANSMITTER | EP12793290.3 | 2012-05-23 | EP2571175A1 | 2013-03-20 | FUKUDA, Shuichi |
There is provided a transmitter with a small area and low noise. A direct RF modulation transmitter is constituted by an N-number of input signal delay-attached direct RF converters to which an I digital baseband signal is input, an M-number of input signal delay circuit-attached direct RF converters (DDRCs) to which a Q digital baseband signal is input, a Divide-by-2 divider for generating a differential local signal differing in phase by 90 degrees, an output matching circuit, and a delay control circuit for controlling an input data delay amount for the DDRCs. This transmitter sets delay amounts for the DDRCs using the delay control circuit independently. Particularly when N is set to equal M and the same amount of delay is set for N-number of converters corresponding to the I digital baseband signal and the Q digital baseband signal, noise reduction effect in a predetermined frequency band is heightened. |
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