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    • 3. 发明授权
    • System having a dual-purpose telephone and mouse
    • 系统具有双用途电话和鼠标
    • US5943625A
    • 1999-08-24
    • US704278
    • 1996-08-28
    • Yun-Pil YeomYoung-Gyoo Choi
    • Yun-Pil YeomYoung-Gyoo Choi
    • H04M11/00G06F3/0354H04M1/02H04M1/725H04B1/38
    • H04M1/72502G06F3/0354H04M1/0202H04M1/0214H04M1/725H04M1/7253
    • A system providing a remote control device operable both as a cordless telephone and as a computer system having a wireless mouse, with two separate assemblies. The first assembly is a computer system that is connected to a telephone jack. The computer system has a video display unit with a cursor, a modem, and the electronics for a base unit of a cordless telephone built inside the chassis. The second assembly is the remote control unit, and serves both as a handset for a cordless telephone and as a wireless mouse. The handset can place and receive telephone calls by communicating, via electromagnetic radiation to the computer system hooked up to the telephone jack. The handset can also control the position and functions of the cursor on the video display screen when not being used as a telephone. The remote control unit has a mouse button and another cursor control device.
    • 提供可操作为无绳电话的遥控装置和具有无线鼠标的具有两个单独组件的计算机系统的系统。 第一组件是连接到电话插孔的计算机系统。 计算机系统具有带光标的视频显示单元,调制解调器,以及用于内置于机箱内的无绳电话基座的电子装置。 第二组件是遥控单元,既可用作无绳电话手机,也可用作无线鼠标。 手机可以通过电磁辐射与连接到电话插孔的计算机系统通信进行电话通话。 当不用作电话时,手机还可以控制视频显示屏幕上光标的位置和功能。 遥控器具有鼠标按钮和另一光标控制装置。
    • 5. 发明授权
    • Circuit for automatically recognizing and receiving mono and stereo
audio signals
    • 用于自动识别和接收单声道和立体声音频信号的电路
    • US5655025A
    • 1997-08-05
    • US441296
    • 1995-05-15
    • Sung-soo KimYoung-gyoo ChoiNoh-byung Park
    • Sung-soo KimYoung-gyoo ChoiNoh-byung Park
    • H04R5/04H04S1/00H04H5/00
    • H04R5/04
    • In a mono/stereo input circuit for use in an audio equipment, and more particularly in a circuit for automatically recognizing and receiving mono/stereo audio signals, although a mono connector is inserted into a stereo jack, such an insertion of the mono connector is automatically recognized and then a stereo circuit can operate as a form of a mono circuit. The circuit for automatically recognizing and receiving the mono/stereo audio signals utilizes a fact that one connection terminal of the jack is grounded or not according to a type of the connector such as a mono connector and a stereo connector which is inserted into the jack. Accordingly, a resistor used as a voltage generator generates a generation voltage according to such a connector recognition. Also, using a difference between the generated voltage, the analog switches are turned on or off, to obtain a mono or a stereo audio signal processing circuit according to a type of the inserted connector. Accordingly, the present invention has an effect that a type of the inserted connector can be automatically recognized, and an external source or a microphone input circuit can operate without having any inconveniences to change a selector switch each time when a user exchanges a stereo input signal with a mono input signal.
    • 在用于音频设备的单声道/立体声输入电路中,更具体地,在用于自动识别和接收单声道/立体声音频信号的电路中,尽管将单声道连接器插入到立体声插孔中,但单声道连接器的插入 自动识别,然后立体声电路可以作为单声道电路的形式工作。 用于自动识别和接收单声道/立体声音频信号的电路利用这样的事实,即根据插入插孔的单连接器和立体声连接器的连接器的类型,插座的一个连接端子接地。 因此,用作电压发生器的电阻器根据这种连接器识别产生发电电压。 此外,使用所产生的电压之间的差异,模拟开关被接通或关断,以根据插入的连接器的类型获得单声道或立体声音频信号处理电路。 因此,本发明的效果在于,每当用户交换立体声输入信号时,可以自动识别所插入的连接器的类型,并且外部源或麦克风输入电路可以操作,而不会改变选择器开关的任何不便 具有单声道输入信号。