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jan 1, 1951 - VTR invented

Description:

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 Mar 2023
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Date:

jan 1, 1951
Now
~ 74 years ago
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