The invention of Frequency Hopping (10 июн 1941 г. – 11 авг 1941 г.)
Описание:
Hedy Lamar and George Antheil sent in their invention called frequency hopping which was also called " the secret communication system" on June 10, 1941. it was then considered and granted on August 11,1942Добавлено на ленту времени:
Дата:
10 июн 1941 г.
11 авг 1941 г.
~ 2 months and 2 days