World's First Digital Camera

Posted by Alex in Gadget, Science & Tech on May 9, 2008 at 11:55 am


In December 1975, Steve Sasson invented something that would, decades later, revolutionize photography: the world’s first digital camera:

It had a lens that we took from a used parts bin from the Super 8 movie camera production line downstairs from our little lab on the second floor in Bldg 4. On the side of our portable contraption, we shoehorned in a portable digital cassette instrumentation recorder. Add to that 16 nickel cadmium batteries, a highly temperamental new type of CCD imaging area array, an a/d converter implementation stolen from a digital voltmeter application, several dozen digital and analog circuits all wired together on approximately half a dozen circuit boards, and you have our interpretation of what a portable all electronic still camera might look like.

It was a camera that didn’t use any film to capture still images – a camera that would capture images using a CCD imager and digitize the captured scene and store the digital info on a standard cassette. It took 23 seconds to record the digitized image to the cassette. The image was viewed by removing the cassette from the camera and placing it in a custom playback device. This playback device incorporated a cassette reader and a specially built frame store. This custom frame store received the data from the tape, interpolated the 100 captured lines to 400 lines, and generated a standard NTSC video signal, which was then sent to a television set.

Link – via Presurfer


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COMMENT

3 comments to "World's First Digital Camera"

  1. Renata
    May 9th, 2008 at 10:53 pm

    Cool- what was the first picture?!

  2. jonas leo
    July 13th, 2008 at 2:04 pm

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  3. holly
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