Light pen and interface box (prototype)

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  • Details
  • Description
Date Introduced
1963 ca.
Photographer
Richards, Mark
Dimensions
overall: .5 x 6.5 x 1/2 in
Manufacturer
International Business Machines Corporation (IBM)
Copyright Owner
© Mark Richards
Location
United States
Keywords
Whirlwind computer; MIT; Video; Pointing; Input
Object ID
102647177

Light pens were developed about 1952 to select points on the video display of MIT’s Whirlwind computer. One disadvantage was that you couldn’t point to a dark area.