The PSP was developed by Sony and its conception was first announced back in 2003. The PSP was released for sale in Japan in 2004, and in the United States in March of 2005.
In 1928, Kurt Stille formed the Echophone Company with Karl Bauer and contracted with Ferdinand Schuchard AG and its talented engineer Semi Joseph Begun to manufacture the Dailygraph, the first cassette magnetic recorder.
The first video cameras were produced in the 1920s in support of the early television systems. John Logie Baird built a camera as part of his television system demonstrated in 1925.
In 1883 Alexander Graham Bell invented the graphophone, the first system of sound recording. The laboratory also experimented with flat disc records, electroplating records, and impressing permanent magnetic fields.