There is no questioning the significance to twentieth-century industrial design of the Ericofon telephone, whose one-piece design makes it a predecessor of both cordless telephones and cell phones. Introduced in the United States in 1956, the Ericofon was originally conceived by Ralph Lysell in 1941 and was redesigned by Lysell, Hans Gösta Thames, and Hugo Blomberg for...

Informally known as the Bakelite telephone, the sculptural Ericsson DBH 1001 was a groundbreaking design that set the standard for the shape of the modern plastic telephone. The telephone was a collaborative project between the Electrisk Bureau of Oslo, Norway and the Swedish firm LM Ericsson and Televerket. In 1930 Ericsson hired engineer Christian Bjerknes...

When Coherent Communications System Corporation decided to create this conference phone their goal was to accommodate the needs of conference calls by incorporating all the necessary telephone elements and electronics into a single, sophisticated speaker/microphone housing. For ease of use and efficiency, the engineers wanted to position the speaker in such a way that the...