He was granted more than 600 patents. His ideas for processes or devices are used in bar-code scanners, automated warehouse manufacturing systems,fax and automated teller machines, the crying baby doll, and Sony Walkman portable cassette player.

VOA: standard.2009.12.18

That's on tape, that's you know, you get on the early VHS and recording tapes as well, cassette players.

会卖磁带，你得用早期的家用录像系统、录音磁带或录音机播放。

关于黑人文化 - SpeakingMax英语口语达人

That's on tape, that's you know, you get on the early VHS and recording tapes as well, cassette players.

会卖磁带，你得用早期的家用录像系统、录音磁带或录音机播放。

关于黑人文化 - SpeakingMax英语口语达人