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    • 7. 发明授权
    • Wireless mouse
    • 无线鼠标
    • US5854621A
    • 1998-12-29
    • US826935
    • 1997-04-07
    • Philippe JunodBerni JossNicolas SasselliRene SommerAldo Bussien
    • Philippe JunodBerni JossNicolas SasselliRene SommerAldo Bussien
    • G06F3/038G06F3/033
    • G06F3/0383Y02B60/50
    • The present invention provides a wireless radio frequency ("RF") communications interface between peripherals and the host personal computer or workstation. In one embodiment, the present invention provides a wireless electronic mouse which uses an RF transmitter to transmit information unidirectionally to a receiver which is coupled to a host computer. This arrangement eliminates the need for a cable connection between the mouse and the receiver, while at the same time permitting continuous communication therebetween. The present invention also provides a method and apparatus to allow the receiver to differentiate between multiple RF wireless mice operating within the same transmission zone by a combination of providing a unique identification code to each transmitting mouse and allowing the user to choose from a plurality of transmission channels. The receiver then automatically switches to the channel selected by the user. The present invention can further receive transmissions from either one or two peripheral devices. In one device mode, the receiver filters out stray frequencies from other RF peripherals. In two device mode, the receiver has the ability to receive information from two RF peripherals, while filtering out other stray RF peripherals operating in the same transmission zone. This allows a user to use the same receiver for one peripheral, such as a mouse, for detailed work and another peripheral for other types of special applications, such as a pointing device for software presentations. The present invention further provides for a power consumption minimization method in the wireless peripheral.
    • 本发明提供外设与主机个人计算机或工作站之间的无线射频(“RF”)通信接口。 在一个实施例中,本发明提供了一种无线电子鼠标,其使用RF发射机将信息单向地发送到耦合到主计算机的接收机。 这种布置消除了在鼠标和接收器之间的电缆连接的需要,同时允许鼠标和接收器之间的连续通信。 本发明还提供了一种方法和装置,其允许接收机通过向每个发送鼠标提供唯一的识别码并允许用户从多个传输中选择的组合来区分在相同传输区域内操作的多个RF无线鼠标之间 频道 接收机然后自动切换到用户选择的频道。 本发明还可以从一个或两个外围设备接收传输。 在一种器件模式下,接收器滤除其他RF外设的杂散频率。 在两种器件模式下,接收器能够从两个RF外设接收信息,同时滤除在相同传输区域内工作的其他杂散RF外设。 这允许用户为一个外围设备(例如鼠标)使用相同的接收机用于详细的工作,并且对于其他类型的特殊应用(例如用于软件呈现的指示设备)使用另一个外围设备。 本发明还提供了一种无线外设中的功耗最小化方法。