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    • 11. 发明授权
    • 자동인식형 파워 앰프 오류검사기능을 구비한 구내방송시스템
    • 具有检查功率放大器错误功能的室内广播系统
    • KR101275108B1
    • 2013-06-17
    • KR1020120106135
    • 2012-09-24
    • 주식회사 대경바스컴
    • 김준호
    • H04H20/12H04H20/61H04H20/47H04H20/33
    • H04H20/12H04H20/33H04H20/47H04H20/61
    • PURPOSE: An indoor broadcasting system including an auto recognition type power amplification error detection function is provided to prevent an operation of an unnecessary power amplifier by selectively inspecting a power amplifier. CONSTITUTION: A micro-processor (25) receives on-off data from a power amplifier of each channel through a power amplifier on-off data reception unit. The micro-processor executes the error inspection of an amplifier function for the power amplifier of a channel in which the off data is received. The micro-processor controls an inspection signal to output a power amplifier inspection signal for the power amplifier of the channel in which the on data is received. The micro-processor executes an error inspection of an amplification function. The micro-processor converts the power amplifier of a channel into a sub-amplifier. [Reference numerals] (21) Inspection signal oscillating and mixer unit; (22,23) 8CH multiplexer; (24) CH1 broadcasting signal output unit; (25) Microprocessor; (26) CH1 amplification signal input unit; (27) Power amplification on-off data reception unit; (AA) Broadcasting signal; (BB,CC) CH8 broadcasting signal output unit; (DD) Broadcasting signal + inspection signal output terminal (connected to a power amplification input); (EE) Amplification amplifying signal feed-back input terminal (connected to a power amplification output)
    • 目的:提供一种包括自动识别型功率放大误差检测功能的室内广播系统,以通过选择性地检查功率放大器来防止不必要的功率放大器的操作。 构成:微处理器(25)通过功率放大器开 - 关数据接收单元从每个通道的功率放大器接收开 - 关数据。 微处理器对接收到关闭数据的通道的功率放大器执行放大器功能的错误检查。 微处理器控制检查信号以输出用于其中接收数据的通道的功率放大器的功率放大器检查信号。 微处理器执行放大功能的错误检查。 微处理器将通道的功率放大器转换为子放大器。 (附图标记)(21)检查信号振荡和混合器单元; (22,23)8CH多路复用器; (24)CH1广播信号输出单元; (25)微处理器 (26)CH1放大信号输入单元; (27)功率放大开 - 关数据接收单元; (AA)广播信号; (BB,CC)CH8广播信号输出单元; (DD)广播信号+​​检查信号输出端子(连接到功率放大输入); (EE)放大放大信号反馈输入端子(连接功率放大输出)
    • 12. 发明授权
    • 하이 임피던스 방송출력신호의 디지털 모니터링장치를 구비한 구내방송시스템
    • 具有高阻抗信号数字监控装置的室内广播系统
    • KR101247185B1
    • 2013-03-25
    • KR1020120106134
    • 2012-09-24
    • 주식회사 대경바스컴
    • 김준호
    • H04H20/61H04H60/32H04H20/12H04H20/14
    • H04H20/61H04H20/14H04H60/32
    • PURPOSE: An indoor broadcasting system including a digital monitoring device of a high impedance broadcasting output signal is provided to monitor a high impedance output broadcasting signal. CONSTITUTION: A microcontroller(26) quantifies data of an A/D(Analog/Digital) converter. The microcontroller transmits and receives the data. A channel selecting unit(27) for monitoring a speaker selects the audio output of a channel selected by a monitoring device. An audio transmitting unit(28) transmits an audio signal of the selected audio channel to the monitoring device. An RS-485 data transceiver(29) outputs generated RS-485 data to the monitoring device by coupling a channel number with the quantified data in the microcontroller. [Reference numerals] (21) Output controlling relay unit; (22) Output terminal; (23) Output signal attenuator(100V to 5V); (24) Sequence channel selecting unit(20CH to 1CH); (25) A/D converter; (26) Micro controller(channel selection control)(data quantization)(RS-485 conversion)(voice monitoring control); (27) Channel selecting unit for monitoring a speaker; (28) Audio transmitting unit; (29) RS-485 data transceiver; (30) Monitoring device
    • 目的:提供一种包括高阻抗广播输出信号的数字监视装置的室内广播系统,以监视高阻抗输出广播信号。 构成:微控制器(26)量化A / D(模拟/数字)转换器的数据。 微控制器发送和接收数据。 用于监视扬声器的频道选择单元(27)选择由监视设备选择的频道的音频输出。 音频发送单元(28)将所选音频信道的音频信号发送到监视设备。 RS-485数据收发器(29)通过将通道号与微控制器中的量化数据相耦合,将产生的RS-485数据输出到监控设备。 (附图标记)(21)输出控制继电器单元; (22)输出端子; (23)输出信号衰减器(100V〜5V); (24)序列信道选择单元(20CH〜1CH); (25)A / D转换器; (26)微控制器(通道选择控制)(数据量化)(RS-485转换)(语音监控控制); (27)用于监听扬声器的频道选择单元; (28)音频发送单元; (29)RS-485数据收发器; (30)监控装置