Abstract:
The present invention relates to a mobile terminal for outputting color-related frequency information, and a method for controlling same. The mobile terminal relating to an embodiment of the present invention may include a memory that stores conversion functions which are respectively assigned for a plurality of colors; a color recognition means for obtaining a first color; a control unit that extracts first frequency information which corresponds to the first color by using the conversion function stored in the memory; and an output unit that outputs first information, which is determined according to the first frequency information, under the control of the control unit.
Abstract:
The present invention relates to a pressure sensing device using a conductive rubber and a diode, a location recognition device, and a control method thereof. The pressure sensing device related to an embodiment of the present invention includes a pressure-sensitive polymer composite; and a means for applying an electric current in one-way; and multiple electrode layers formed on the upper and lower portions of the pressure-sensitive polymer composite. When one or more electrode layers are pressed by a pressure, the pressure-sensitive polymer composite detects a reduction in the resistance through the means for applying an electric current in one-way and sense the pressure.
Abstract:
The present invention relates to a microgripper for gripping an object using change of a frictional force and a control method thereof. The microgripper device for gripping an object according to an embodiment of the present invention comprises an arm for supporting the object and a frictional force control unit for controlling the object to be gripped by changing a frictional force between the object and the arm.
Abstract:
PURPOSE: A visible information broadcasting signal transmitter and a receiver thereof are provided to offer a tolerance to common mode noise on a line by respectively overlapping a plurality of modulation signals in a transmission side. CONSTITUTION: A frequency generator(110) generates a reference frequency. An encoding device(120) generates a visible information broadcasting signal which is encoded into a digital signal by using the reference frequency. A modulator(130) generates multiple frequency modulation signals including different frequencies by modulating the generated visible information broadcasting signals according to a predetermined modulation method. A coupler(140) electromagnetically couples the multiple frequency modulation signals for a power line(10). [Reference numerals] (110) Frequency generator; (120) Encoding device; (140) Coupler; (AA) f_1 modulation signal; (BB) f_2 modulation signal; (CC) f_3 modulation signal; (DD) Band expansion
Abstract:
본 발명은 전력선 통신이 많은 양의 데이터를 양방향으로 전송하기 위하여 고주파 대역의 반송파가 필요하다면, 전력선 방송은 시각 정보와 같이 적은 양의 데이터를 단방향으로 전송하기 때문에 저주파 대역의 반송파를 사용할 수 있으며 이로 인해 용이하게 원거리 전력선 방송이 가능한 전력선을 이용한 시각정보 방송시스템에 관한 것이다. 이를 위해 특히, 전력신호와 시각정보 방송을 전송하는 전력선(100); 시각정보 방송을 송신하기 위한 송신장치(200); 시각정보 방송을 수신하기 위한 수신장치(300, 400); 및 송신장치(200)의 제 1 초신호(601)와 수신장치(300, 400)의 제 2 초신호(603)의 시간차 간격을 측정하기 위한 시각간격계수기(600);를 포함하는 것을 특징으로 하는 전력선을 이용한 시각정보 방송 시스템이 개시된다.
Abstract:
PURPOSE: A receiving device of a time information broadcast, transmitting device, receiving method, and recording medium are provided to supply accurate time at low costs by supplying a clock signal. CONSTITUTION: A filter(310) receives a first signal from a power line(100) for transmitting a time information broadcast. The filter extracts a second signal which is a converted serial signal. A demodulating device(320) generates a third signal which is encoded to a binary decimalization time code. A decoding device(330) generates a fourth signal by demodulating the third signal.
Abstract:
PURPOSE: A heat monitoring apparatus without a power supply using a thermoelectric element is provided to convert thermal energy to electrical energy and transmit a signal when the temperature of an electronic device is higher than a predetermined temperature, thereby monitoring overheating in beforehand. CONSTITUTION: A thermoelectric element(104) is attached to a heat absorption area of an electrical socket(110) and converts heat energy due to overheating of the electrical socket into electrical energy. A wireless transmission part(101) without a power supply includes a heat emission area touching with the thermoelectric element in one side and transmits an electrical socket overheating signal to a signal reception means in the outside using the electrical energy generated from the thermoelectric element.
Abstract:
본 발명은 가청 톤 주파수를 갖는 복합 주파수 부호 방식에 따라 시각 방송정보를 부호화 및 변조하여 전력선에 실음으로써 전력선 방송을 수행할 수 있는 복합 주파수 부호를 이용한 시각 방송정보의 전력선 방송 송수신 장치 및 송수신 방법에 관한 것이다. 이를 위해 특히, 소정의 전력신호를 전달하는 전력선(100); 전력신호인 교류신호의 특정 제로크로싱 시점에 대응하는 년, 월, 일, 시, 분 및 초 중 적어도 하나의 시각 방송정보를 부호화하여 부호화된 시각 방송정보에 대응되도록 복합 주파수 부호의 서로 다른 주파수의 합성신호인 시각 방송신호를 생성하는 방송신호 생성수단(200); 및 시각 방송신호를 전력신호에 결합하는 방송신호 결합수단(300); 전력선(100)과 연결되어 전력선(100)으로부터 복합 주파수 부호의 서로 다른 주파수의 합성신호인 시각 방송신호를 추출하여 서로 다른 주파수를 개별 주파수로 분리하는 필터링수단(400); 및 분리된 개별 주파수의 조합을 기초로 시각 방송정보를 복호화하여 복호화된 시각 방송정보를 획득하는 방송정보 획득수단(500);을 포함하는 것을 특징으로 하는 복합 주파수 부호를 이용한 시각 방송정보의 전력선 방송 송수신 장치가 개시된다. 전력선 통신, 전력선 방송, 대한민국 표준시(KST), 방송국 시보, 시각 정보, 표준 단파 방송, 복합 주파수 부호(DTMF), 교류 제로크로싱
Abstract:
PURPOSE: A power line transmission and reception apparatus of video broadcast information by using a complex frequency code and a transmission and reception method thereof are provided to exclude a mutual influence of a harmonic signal that is generated by a nonlinearity of an alternating frequency. CONSTITUTION: A power line(100) transmits a predetermined power signal. A broadcast signal formation apparatus(200) encodes one or more video broadcast information among a year, a month, a day, an hour, a minute and a second that are corresponding to the specific zero crossing view point of a current power signal. The broadcast signal formation unit creates a video broadcast signal that is composed by different frequency of a complex frequency code according to a coded video broadcast signal. A broadcast signal associated apparatus(300) combines the video broadcast signal with a power signal.