Marie Van Brittan Brown Inventò la Sicurezza Domestica
Marie Van Brittan Brown Invented Home Security
Marie Van Brittan Brown era un'infermiera a Queens, New York, che si sentiva insicura a casa. Costruì un sistema con telecamere, spioncini e un pulsante di emergenza che divenne l'antenato dei moderni videocitofoni intelligenti.
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Marie Van Brittan Brown Invented Home Security
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women inventors
home security
Black women innovators
patents
smart home
safety
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