保罗·尼普可夫获得德国电视发明专利。他在电视技术中采用硒光电管和机械扫描盘。
Paul Nipkow obtains a patent in Germany for TV, using a selenium cell and a mechanical scanning disk.
录像带租赁店店员扫描每盘被租借的录像带。
The video rental clerk scans each of the videos to be rented.
系统通过扫描每盘录像带，将可出租的录像带加入到用户可见的列表中，并显示当前的可出租的录像带列表。
The system acknowledges that each video has been scanned by adding it to the list of outstanding videos for the customer. The system displays the current outstanding balance.
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