Underwater Teletype Communication System.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent relates to a diver-carried underwater communication system which employs a visual read-out of transmitted and received messages. The individual message elements are selected by a keyboard control device and are stored in a memory register prior to transmission. Received signals are similarly stored in a memory register for selective display by the diver-operator. Additionally, provision is made for a read-only memory containing frequently used message elements.
- Non-Radio Communications