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    • 1. 发明申请
    • Methods and apparatus for preventing a third party from overhearing a telephone conversation
    • 防止第三方窃听电话交谈的方法和装置
    • US20060115080A1
    • 2006-06-01
    • US10999904
    • 2004-11-30
    • Thaddeus GabaraVladimir Prodanov
    • Thaddeus GabaraVladimir Prodanov
    • H04K1/04
    • H04K1/10H04M1/68
    • Methods and apparatus are provided for preventing a third party from listening to a conversation between at least two participants on a telephone. The telephone generates an audio stimulus signal that is presented through a secondary speaker. The audio stimulus signal may be, for example, pseudorandom noise or a cancellation signal. According to one aspect of the invention, the telephone ensures that the audio stimulus signal does not significantly impair the conversation for the at least two participants. To prevent the third party from listening to the local portion of the conversation, the audio stimulus signal is subtracted from the received signal prior to presenting the received signal to the user. To prevent the third party from listening to the remote portion of the conversation, the audio stimulus signal is subtracted from the received signal.
    • 提供的方法和装置用于防止第三方在电话上的至少两个参与者之间收听对话。 电话产生通过次级扬声器呈现的音频刺激信号。 音频刺激信号可以是例如伪随机噪声或消除信号。 根据本发明的一个方面,电话确保音频刺激信号不会显着损害至少两个参与者的对话。 为了防止第三方收听对话的本地部分,在向用户呈现接收到的信号之前,从接收到的信号中减去音频刺激信号。 为了防止第三方收听会话的远程部分,从接收到的信号中减去音频刺激信号。
    • 2. 发明授权
    • Methods and apparatus for preventing a third party from overhearing a telephone conversation
    • 防止第三方窃听电话交谈的方法和装置
    • US07471945B2
    • 2008-12-30
    • US10999904
    • 2004-11-30
    • Thaddeus GabaraVladimir Prodanov
    • Thaddeus GabaraVladimir Prodanov
    • H04M1/66H04M1/68H04M3/16
    • H04K1/10H04M1/68
    • Methods and apparatus are provided for preventing a third party from listening to a conversation between at least two participants on a telephone. The telephone generates an audio stimulus signal that is presented through a secondary speaker. The audio stimulus signal may be, for example, pseudorandom noise or a cancellation signal. According to one aspect of the invention, the telephone ensures that the audio stimulus signal does not significantly impair the conversation for the at least two participants. To prevent the third party from listening to the local portion of the conversation, the audio stimulus signal is subtracted from the received signal prior to presenting the received signal to the user. To prevent the third party from listening to the remote portion of the conversation, the audio stimulus signal is subtracted from the received signal.
    • 提供的方法和装置用于防止第三方在电话上的至少两个参与者之间收听对话。 电话产生通过次级扬声器呈现的音频刺激信号。 音频刺激信号可以是例如伪随机噪声或消除信号。 根据本发明的一个方面,电话确保音频刺激信号不会显着损害至少两个参与者的对话。 为了防止第三方收听对话的本地部分,在向用户呈现接收到的信号之前,从接收到的信号中减去音频刺激信号。 为了防止第三方收听会话的远程部分,从接收到的信号中减去音频刺激信号。
    • 5. 发明申请
    • Electronic subsystem with communication links
    • 具有通信链路的电子子系统
    • US20060122504A1
    • 2006-06-08
    • US10993532
    • 2004-11-19
    • Thaddeus GabaraVladimir Prodanov
    • Thaddeus GabaraVladimir Prodanov
    • A61B8/00
    • H04B11/00
    • Electronic modules are interconnected with one another by means of communication (e.g., ultrasonic) links, In one embodiment, in a local conference call environment, only one wireless RF link is necessary—between a master cell phone and a base station, whereas all other voice modules are interconnected with one another and with the master via ultrasonic links. In another embodiment, a master voice module (with or without an RF link to a base station) includes at least one detachable module (e.g., an earpiece and/or mouthpiece) that is interconnected with the master via an ultrasonic link. In yet another embodiment, a detachable module includes a capacitor, which serves as its power supply and which is recharged when it is attached a master module (e.g., by a battery in the master module).
    • 电子模块通过通信(例如,超声波)链路彼此互连。在一个实施例中,在本地电话会议环境中,在主蜂窝电话和基站之间仅需要一个无线RF链路,而所有其他 语音模块彼此互连,并通过超声波链路与主机互连。 在另一个实施例中,主语音模块(具有或不具有到基站的RF链路)包括经由超声波链路与主机互连的至少一个可拆卸模块(例如,耳机和/或接口管)。 在另一个实施例中,可拆卸模块包括电容器,其用作其电源,并且当其连接主模块(例如,通过主模块中的电池)时,电容器被再充电。
    • 10. 发明申请
    • Apparatus and method for indentifying the geographic location and time in a recorded sound track by using a stealth mode technique
    • 通过使用隐身模式技术来识别记录的声轨中的地理位置和时间的装置和方法
    • US20070140644A1
    • 2007-06-21
    • US11311859
    • 2005-12-19
    • Thaddeus Gabara
    • Thaddeus Gabara
    • H04N11/00
    • G01S1/725G01S5/18
    • A stealth mode technique records information onto the sound track of a camcorder without the knowledge of the user. Infrasound is continuously generated by an array of audio sources placed in a geographical position that potentially encompasses the location of the recording device. A database stores the known characteristics of all audio sources. Once the recorded media is released to the public, a post analysis using a processing unit can decompose the recording back into a set of reconstructed audio sounds. An analysis can be performed to determine which audio sounds match the reconstructed audio sounds so that an estimate of the set of parameters associated with the sound track can be obtained. The set of parameters includes the geographical location and local time of the recording. The geographic location provides the opportunity to capture the terrorists and free the hostages.
    • 隐形模式技术将信息记录在摄像机的声轨上,而不需要用户的了解。 次声是由放置在可能包含记录装置的位置的地理位置的音频源阵列连续产生的。 数据库存储所有音频源的已知特征。 一旦记录的媒体被释放给公众,使用处理单元的后分析可以将记录分解成一组重建的音频声音。 可以执行分析以确定哪个音频声音与重建的音频声音匹配,使得可以获得与声轨相关联的参数集的估计。 该组参数包括记录的地理位置和本地时间。 地理位置为捕获恐怖分子和释放人质提供了机会。