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公开(公告)号：US07672411B2
公开(公告)日：2010-03-02
申请号：US10291984
申请日：2002-11-12
CPC分类号： H04B1/16 , H03D1/04 , H03D1/06 , H03D1/2245 , H03D3/007
摘要： A radio receiver comprising: an antenna for receiving a radio frequency signal amplitude modulated with an audio frequency signal; a digitizer for periodically sampling the radio frequency signal and generating a digital reception signal representative of the amplitude of the radio frequency signal; and a demodulator for demodulating the digital reception signal to generate a representation of the audio frequency signal.
摘要翻译： 一种无线电接收机，包括：用于接收用音频信号幅度调制的射频信号的天线; 数字转换器，用于周期性地对射频信号进行采样并产生表示射频信号振幅的数字接收信号; 以及用于解调数字接收信号以产生音频信号的表示的解调器。
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公开(公告)号：USRE45443E1
公开(公告)日：2015-03-31
申请号：US13410091
申请日：2012-03-01
CPC分类号： H04B1/16 , H03D1/04 , H03D1/06 , H03D1/2245 , H03D3/007
摘要： A radio receiver comprising: an antenna for receiving a radio frequency signal amplitude modulated with an audio frequency signal; a digitizer for periodically sampling the radio frequency signal and generating a digital reception signal representative of the amplitude of the radio frequency signal; and a demodulator for demodulating the digital reception signal to generate a representation of the audio frequency signal.
摘要翻译： 一种无线电接收机，包括：用于接收用音频信号幅度调制的射频信号的天线; 数字转换器，用于周期性地对射频信号进行采样并产生表示射频信号振幅的数字接收信号; 以及用于解调数字接收信号以产生音频信号的表示的解调器。
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公开(公告)号：US08010214B2
公开(公告)日：2011-08-30
申请号：US10291988
申请日：2002-11-12
申请人： Martin John Brennan
发明人： Martin John Brennan
IPC分类号： G06F17/00
CPC分类号： G11B20/10527 , G11B20/00 , G11B20/1809
摘要： An audio processing unit for an integrated audio reproduction system comprising an audio data recovery device for recovering audio data from an audio data source, sound generation apparatus and a user input device for user input of audio processing control data, the audio processing unit comprising a digital processor provided on an integrated circuit and connected to the data recovery device, the sound generation apparatus and the user selection device and arranged to receive input audio data from the data recovery device, process the input audio data in the digital domain in accordance with the audio processing control data to generate an audio output signal, and provide the audio output signal to the sound generation apparatus, and to control at least one electromechanical function of the audio data recovery device.
摘要翻译： 一种用于集成音频再现系统的音频处理单元，包括用于从音频数据源，声音产生装置和用户输入装置恢复音频数据的音频数据恢复装置，用于音频处理控制数据的用户输入，音频处理单元包括数字 处理器提供在集成电路上并连接到数据恢复装置，声音产生装置和用户选择装置，并且被布置成从数据恢复装置接收输入音频数据，根据音频处理数字域中的输入音频数据 处理控制数据以产生音频输出信号，并将音频输出信号提供给声音产生装置，并且控制音频数据恢复装置的至少一个机电功能。
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公开(公告)号：US07940802B2
公开(公告)日：2011-05-10
申请号：US11613752
申请日：2006-12-20
申请人： Martin John Brennan
发明人： Martin John Brennan
IPC分类号： H04J3/06
CPC分类号： G11B20/10009 , G11B20/10 , G11B20/18 , G11B2020/1062 , H03M13/27
摘要： A reading unit for reading data from a digital data carrier, the reading unit comprising: a reading head including a sensor for sensing data from the data carrier and generating a sensor signal indicative for the sensed data; head positioning apparatus for positioning the head relative to the data carrier in response to a head positioning control signal; a head positioning controller for receiving the sensed data and being operable in accordance with a stored instruction set to process the sensed data to generate the head positioning control signal; and a data decoder for decoding the sensed data to form a digital output signal.
摘要翻译： 一种用于从数字数据载体读取数据的读取单元，所述读取单元包括：读取头，包括用于感测来自所述数据载体的数据的传感器，并且生成指示所述感测数据的传感器信号; 头部定位装置，用于响应于头部定位控制信号相对于数据载体定位头部; 头部定位控制器，用于接收感测数据，并且可根据存储的指令集进行操作以处理感测数据以产生头部定位控制信号; 以及用于对感测数据进行解码以形成数字输出信号的数据解码器。
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公开(公告)号：US07636281B2
公开(公告)日：2009-12-22
申请号：US10398550
申请日：2001-10-03
申请人： Martin John Brennan
发明人： Martin John Brennan
IPC分类号： G11B7/00
CPC分类号： G11B20/10009 , G11B20/10 , G11B20/18 , G11B2020/1062 , H03M13/27
摘要： A reading unit for reading data from a digital data carrier, the reading unit comprising: a reading head including a sensor for sensing data from the data carrier and generating a sensor signal indicative for the sensed data; head positioning apparatus for positioning the head relative to the data carrier in response to a head positioning control signal; a head positioning controller for receiving the sensed data and being operable in accordance with a stored instruction set to process the sensed data to generate the head positioning control signal; and a data decoder for decoding the sensed data to form a digital output signal.
摘要翻译： 一种用于从数字数据载体读取数据的读取单元，所述读取单元包括：读取头，包括用于感测来自所述数据载体的数据的传感器，并且生成指示所述感测数据的传感器信号; 头部定位装置，用于响应于头部定位控制信号相对于数据载体定位头部; 头部定位控制器，用于接收感测数据，并且可根据存储的指令集进行操作以处理感测数据以产生头部定位控制信号; 以及用于对感测数据进行解码以形成数字输出信号的数据解码器。
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