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"Acoustic coupler" nghĩa là gì?
16 Apr, 2023
"Acoustic coupler" = bộ nối âm thanh -> nghĩa là thiết bị chuyển đổi tín hiệu dữ liệu máy tính sang âm thanh xuống đường dây điện thoại, qua mi-crô.
Ví dụ
Tinkerer and vintage computing enthusiast (người nhiệt tình) Gus Gorman has brought back a classic of the roadwarrior's on-the-move arsenal: an acoustic coupler, designed to pair a computing system with a landline telephone handset.
"Another cool thing that I'd like to see," Gorman suggests of where the project could go in the future," is a Raspberry Pi cyberdeck version of [this] with an acoustic coupler. Something else I want to try doing is instead of using the phone lines to transmit (lan truyền) this information is to do a radio version with walkie-talkies or something."
The acoustic coupler was specifically designed to get around the phone system’s restrictions (lệnh giới hạn) at the time, which prevented the use of “foreign attachments” until a regulatory ruling, the Carterfone decision, changed that.
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