Chadless tape is prepared by feeding blank tape through a device which will not punch a complete circle in the tape but, instead, will only cut approximately three-quarters of the circumfrence of a circle for each element of the permutaiton code thereby leaving a movable, or hinged, lid of paper in the tape.
A card punch which cut little U-shapes in punched cards, rather than punching out a circle or rectangle. The U's made a hole when folded back.
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A card punch which cut little U-shapes inpunched cards, rather than punching out a circle orrectangle. The U's made a hole when folded back.
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Nov 20, 2000 · Chadless patented a machine he called the "Chadless Keypunch." His machine moved office technology forward by eliminating the little bits of ...
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(of a keypunch) not producing chads.... Click for pronunciations, examples sentences, video.
There is an urban legend that chad (sense 2) derives from the Chadless keypunch (named for its inventor), which cut little u-shaped tabs in the card to make a ...
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Chad refers to fragments sometimes created when holes are made in a paper, card or similar synthetic materials, such as computer punched tape or punched cards.
A piece of paper that is punched out on a punch card, paper tape or on the borders of continuous forms.
Chadless-punch definition: A paper tape punch that does not produce little pieces of paper. Instead, "the perforations are not completely cut out but the ...
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Jan 2, 2001 · One of the Jargon File's correspondents believed that "chad" derived from the Chadless keypunch: Chadless keypunch <hardware> A card punch ...
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