Up until the mid-1980s, connecting a computer to a phone line was tricky: many phone companies didn’t allow the connection of unlicensed equipment to their network, and even if they did, you might ...

A technology enthusiast presents this fascinating demonstration of a 1964 Livermore Data Systems "Model A" Acoustic Coupler Modem being used with a modern laptop.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This 110 Baud modem with acoustic ...

Handed to KC in 1989 by the widow of a retired (IBM?) engineer. The model is a 1964 Livermore Data Systems “Model A” Acoustic Coupler Modem. KC explains “Even better than seeing it in a museum, I ...

A device that connects a terminal or computer to the handset of a telephone. Acoustic couplers were widely used in the days of analog telephone networks in the 1970-1990s time frame to convert the ...

A modem that connects to a telephone line without the use of an acoustic coupler. Almost all modems are of the direct-connect type. See acoustic coupler. THIS DEFINITION IS FOR PERSONAL USE ONLY. All ...