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1 янв 1951 г. - VTR invented

Описание:

VTR (video tape recorder) was invented in 1951. This device records live images using a magnetic recording strip. This device was also used along with CCTV to create surveillance videos that could be viewed at a later time.

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Evolution of Surveillance

ByAmiya Harish
20 мар 2023
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1 янв 1951 г.
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~ 74 г назад
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