History of science and technology in Japan the idea to Kihara. The Walkman was commercially released in 1979. Kei cars are a category of small automobiles invented in Japan, including passenger cars, vans, and pickup trucks. They are designed to exploit local tax and insurance relaxations, and in more rural areas are exempted from the requirement to certify that adequate parking is available for the vehicle. The world's first all-electric compact calculator was the Casio Computer Company's Model 14-A, released in 1957. The first electronic desktop calculator with on-board memory was the Casio 001, released in 1965. In 1967, Casio released the AL-1000, the world's first programmable
Braun (company) producing film slide projectors, a mainstay of its business for the next forty years. By 1956, Braun was marketing the first fully automatic tray film slide projector, the PA 1. Braun AG slide projectors all utilized a linear or straight tray as opposed to a round-tray design, which allowed the projector to remain small and compact. The 1950s also marked the beginning of the product that Braun is most known for today: the electric shaver. The S 50 was the first electric shaver from Braun. The shaver was designed in 1938, but World War II delayed its introduction until 1951.