US5787155A | 寵物協尋網
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PublicationofUS5787155A...3isafurtherblockdiagramoftheprioritylineswitchingapparatusshowingadditionaldetailsofamultiplexerandsignal ...
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The invention relates generally to data communication apparatus, and more particularly to a system for automatically switching the connection of a data port between different data sources or destination devices.
BACKGROUND OF THE INVENTIONMany computers and electronic instruments are provided with only a single data port through which data may be serially transmitted. If a user wants to use a modem to transmit or receive data over the telephone lines, the user will therefore have to dedicate the data port to the modem connection. While data are being transmitted over that port, the port cannot be used for any other purpose. If the port is to be used to transmit data to or receive data from another peripheral device, the user must disconnect the modem from the port and then connect the port to the peripheral device. In this context, the peripheral device can be a computer, mass stora...
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於「新竹市寶山路452巷3弄巷口」遺失的拉不拉多,以下提供飼主姓名、電話、Email,以及晶片號碼、寵物外觀及特徵等資訊,如...