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    • 5. 发明公开
    • FM 라디오 방송용 주파수에서 주파수 적응 기술을 이용한일대일 무선 송수신 방법 및 장치
    • 使用FM广播带中的自适应频率控制的点对点无线收发器的方法和装置
    • KR1020090123064A
    • 2009-12-02
    • KR1020080048947
    • 2008-05-27
    • 함찬영함창수
    • 함찬영함창수
    • H04B7/24H04B7/22
    • Y02D70/44H04B1/405H04B1/48H04B17/24
    • PURPOSE: A one-to-one wireless transmission method using a frequency adaption technique in an FM(Frequency Modulation) radio broadcasting frequency and a device thereof are provided to improve usage of limited frequency resource by reusing a frequency incapable of listening FM radio broadcasting. CONSTITUTION: A transmitter(302) modulates a digital signal into an FSK(Frequency Shift Keying) signal and transmits the FSK signal. A receiver(311) demodulates the FSK signal. A controller(306) sets the minimum value as a noise level by measuring an RSSI(Received Electric Field Intensity) of an FM signal. If the RSSI is smaller than a reference RSSI, the controller determines a frequency having the RSSI as a wireless transceiving frequency.
    • 目的:提供一种在FM(调频)无线电广播频率中使用频率适配技术的一对一无线传输方法及其装置,通过重用不能收听FM无线电广播的频率来改善有限频率资源的使用。 构成:发射机(302)将数字信号调制成FSK(频移键控)信号并发送FSK信号。 接收机(311)解调FSK信号。 控制器(306)通过测量FM信号的RSSI(接收电场强度)来将最小值设置为噪声电平。 如果RSSI小于参考RSSI,则控制器将具有RSSI的频率确定为无线收发频率。
    • 6. 发明授权
    • 주파수 자동 설정 기능을 갖는 에프엠 신호 무선전송장치와 그 동작 방법 및 그 에프엠 신호 무선전송장치가 내장된 인형
    • 주파수자동설정기능을갖는에프엠신무송송송작엠엠엠엠엠된된된된된된된된된된된된된된된된
    • KR100688918B1
    • 2007-03-02
    • KR1020060025525
    • 2006-03-21
    • 함찬영함창수
    • 함찬영함창수
    • H04B1/40H03J7/00H04B1/16
    • An FM(Frequency Modulation) signal wireless transmission apparatus having an automatic frequency setting function, its operation method, and a doll having the FM signal wireless transmission apparatus are provided to allow a user to use a sound source device without spoiling the appearance of circumstances at home or in a vehicle by installing the sound source device and an FM signal wireless transmission apparatus in a doll. A setting unit(110) and a display unit(120) sets an operational environment of an FM signal wireless transmission apparatus(100) and display it. An FM modulation unit(130) modulates a sound source signal transmitted from a sound source device into an FM signal. A wireless transmission unit(140) amplifies the FM signal transmitted from the FM modulation unit(130) and wirelessly transmits it to an FM radio device through an antenna(150). A noise level determining unit(160) detects a reception level of the FM signal and compares it with a pre-set noise level. If the reception level of the FM signal lower than a noise level is continued within a pre-set frequency range, a controller sets frequency having an intermediate value of the corresponding frequency range as a transmission frequency of the wireless transmission unit(140).
    • 提供具有自动频率设定功能的FM(调频)信号无线发送装置,其操作方法以及具有FM信号无线发送装置的玩偶,以允许用户使用声源装置而不会破坏在 通过将声源装置和FM信号无线传输装置安装在玩偶中,可以在家中或在车辆中使用。 设置单元(110)和显示单元(120)设置FM信号无线传输装置(100)的操作环境并显示它。 FM调制单元(130)将从声源设备发送的声源信号调制为FM信号。 无线传输单元(140)放大从FM调制单元(130)传输的FM信号,并通过天线(150)将其无线传输到FM无线电设备。 噪声电平确定单元(160)检测FM信号的接收电平并将其与预设噪声电平进行比较。 如果FM信号的接收电平低于噪声电平在预设频率范围内继续,则控制器将具有对应频率范围的中间值的频率设置为无线发送单元(140)的发送频率。
    • 7. 发明授权
    • 보드 핸들링 시스템의 피씨비 수량 표시 장치 및 방법
    • 显示板处理系统的PCB数量的设备和方法
    • KR100314290B1
    • 2001-11-15
    • KR1019990008837
    • 1999-03-16
    • 함창수
    • 함창수
    • H05K13/02
    • PURPOSE: An apparatus and method for showing the quantity of a board handling system is provided to exactly calculate PCB feed rate and production of a pertinent board handling system by counting the quantity of PCB and visually displaying the same. CONSTITUTION: A PCB showing device includes a cylinder(31), a PCB sensing part(32), an operating part(33), a drive controlling part(34), and a displaying part(35). The cylinder(31) performs the same function as a cylinder for taking-in or a cylinder for taking-out. The PCB sensing part(32) performs the same function as a PCB monitoring sensor or an outlet sensor. The operating part(33) counts the quantity of PCB according to whether PCB reported from the PCB sensing part(32) is sensed and whether the cylinder is driven, and consecutively the counted PCB quantity information to the drive controlling part(34) by decimal points. The drive controlling part(34) displays the pertinent PCB quantity according to the PCB quantity information consecutively transferred from the operating part(33) according to the decimal points, outputs the PCB quantity excluding the earlier place '0'. The displaying part(35) displays the PCB quantity output from the drive controlling part(34) for an operator to visually check the quantity.
    • 8. 发明公开
    • 보드 핸들링 시스템의 피씨비 수량 표시 장치 및 방법
    • PCB数量显示在板处理系统中的装置和方法
    • KR1019990078543A
    • 1999-11-05
    • KR1019990008837
    • 1999-03-16
    • 함창수
    • 함창수
    • H05K13/02
    • H05K13/08H05K13/0061H05K13/0084
    • 본발명은후공정설비의요구에따라매거진랙에적재된 PCB를공급하거나생산된 PCB를적재하는데있어, 해당 PCB 수량을시각적으로표시할수 있도록한 보드핸들링시스템의 PCB 수량표시장치및 방법에관한것으로, 종래에는해당 PCB의공급량과작업완료된 PCB의생산량즉, 각보드핸들링시스템에대한 PCB 수량을정확히검출할수 없는문제점이있었다. 본발명은 PCB를공급하거나적재하기위해추진동작을수행하여해당 PCB를밀어주는실린더를포함하는보드핸들링시스템에있어서, 상기실린더의추진동작에의해이송되는 PCB를감지하여보고하는 PCB 감지부와; 상기실린더의추진동작수행여부와상기 PCB 감지부로부터보고되는 PCB의감지여부에따라 PCB 수량을카운트하고, 카운트한 PCB 수량정보를자릿수별로순차, 전송하는연산부와; 상기연산부로부터순차, 전송되는 PCB 수량정보에따라상위자리 '0'을제외한 PCB 수량을출력하는구동제어부와; 상기구동제어부에의해출력되는 PCB 수량을시각적으로표시해주는표시부를포함하는것을특징으로한다. 따라서, 본발명은실린더의추진동작에의해이송되는 PCB 수량을카운트하여시각적으로표시해줌으로써, 해당보드핸들링시스템의 PCB 공급량및 생산량을정확하게산출할수 있게된다.