Hint: The movie was release in 1968, you horny old goat!
Another hint: The movie was based upon a French
science fiction comic book created by Jean-Claude Forest and serialized in the French magazine, V-Magazine, in 1962.
If, instead, you guessed Sleeper (1972), then technically you are correct (and probably read the wikipedia article). According to Wikipedia, the device was unnamed in the 1968 movie.
Okay, Sherman set the wayback machine for… No, no, not that machine, the Wayback Machine!
Of course, the concept is quite a bit older.