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Computerized cards shuffling machine

The shuffling machines had been improved and innovated by the 20th century and even 11 times up to the World War II. The creator of the machine, Laurens Hammond made the first impetus to the development of the device that we're using nowadays.

After World War II

After the Second World War, the engineers tried to make the machine to be more randomized, convenient and electrical. In 1940 Newby Et Al Company received its patent and wanted to make the machine not so loud and more practical. Lots of the designers collaborated to create different devices that should repeat the operation of shuffling several times. But frankly speaking they realized that the result of the long elaboration was a mere and poor shuffling along with a low reliability. Even the reproduction of the riffle shuffle with the cards' interleaving that they made later didn't help them to make the machine perfect.

Computerized cards shuffling

So, the invention of the mechanical card shuffle machine furthered the development of the computerized machines. The first one who patented the electronic machine was Thomas Segers in 1969. The machine hadn't operated real cards yet and stimulated only the random selections. The lights helped the players to see the evident result. So, the earlier machine consisted of the multivibrators, oscillator of the tube and gates. The transistors that were attached to the machine could be used in the circle.
Then, in 1974, Richard Kronmal and David Erickson produced a machine that had a logic circuit along with binary gates. A holder was a place of the deck, and the cards were distributed one by one. The slop channel that was located downward kept flaps. That flap which received the cards was activated. Then some card was replaced into a container that was activated by a coil. Random generator controlled that process there. The main goal of the machine's development of that period was synchronization of the cards' correct path.
In 1985, there was Edward Sammsel who put the cards from the bottom into the other in second compartment. There was another device that could eject the cards that were taken by a dealer. So, the two cards were on the holders, and the order of this total process was controlled by a logic circuit. Decoder and Counter were the main parts of it. There were created special photo sensors that were in charge of the cards number detection of all the compartments. If the dealer took a card, another one would be slipped from the holder.