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  • inventions of the 50's

    Abr 22 2011, 16h57

    VIDEOCASSETTE (1951)
    The first video recording was made in 1951, years after RCA built the signature recorder. In 1956 the company sold the first 3M Scotch video bandwidth.



    ARTIFICIAL SATELLITE (1957)
    Former Soviet Union in 1957, a rocket launched the first artificial satellite, Sputnik 1. United States did not take long to send yours today there are hundreds orbiting the earth for different purposes, meteorological, military, telephony, television, observation, etc. video.



    THE RADAR (1952)
    In the 50's delved into the theoretical basis of radar, were able to determine the limits of detectability achievable, positioning, speed, etc. Some fundamental concepts such as matched filtering, pulse compression, detection theory, etc. radars are developed by this time, subsequently applied to telecommunications systems. Availability of the klystron, power tubes can amplify linearly in the range of microwave signals allowed the use made ​​of long duration and high energy, yielding resolutions comparable distance much shorter pulses.



    PHOTOGRAPHY
    During the decade of the 50 new industrial processes were developed to increase the speed and sensitivity of the films in black and white and color, greatly improving the technical quality of the photographs.


    CREDIT CARD (1950)
    Invented by Frank McNamara, who issued your card to 200 customers so that they could use in 27 restaurants in New York, whence came the appointment of Diners' Club. In 1958 American Express introduced its version of a universal credit card.
    In the 50 introduced another type of card, credit card bank. In 1958 the Bank of America issued the BankAmericard (now VISA). In 1966 a group of banks formed what is now known as MasterCard International.




    BAR CODE (1952)
    Initially developed for the railway, to identify cars which could hang locomotive soon migrated to the UPC system we all know, meeting the demand of supermarkets to find a solution to automate the boxes.
    Its inventors, Woodland and Silver, sold his invention to the Philco, who in turn was bought by RCA Corporation. Recently as 1972 it was the first fully automated store (Kroger's in Kenwood, Ohio).
    The bar code yielded unprecedented information about the movement and sales of products, which led to the development of production on demand, reducing inventory costs.