type drum

type drum

[′tīp ‚drəm]
(computer science)
A steel cylinder containing 128 to 144 lateral bands, each band containing the alphabet, the digits 0-9, and the standard set of punctuation marks such as commas and periods, and revolving at high speed; printing is achieved by a hammer facing each band and activated at the right time to cause a character to be printed on the paper flowing between hammers and drum.
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References in periodicals archive ?
The main air-operated S-cam type drum brakes came in standard with both the antilock braking system (ABS) and electronic brakeforce distribution (EBD) as added options.
The current operation of the thermal drying is based on evaporating the water contained in the wet sludge by means of a turbo dryer in continuous type drum of direct contact with hot and indirect air with thermal oil.
The youngsters all play a Djembe type drum and play different rhythms, beats and solos.
original cartridge purpose for a laser printer type drum drum print color black resource not less than 50 000 pages gross weight not more than 0.852 kg dimensions no more than 360x150x228 mm volume not more than 0.012312 m3, printers.
Tenders invited for Ss 304 open top barrel type drum of 200 l capacity19~ wall mounted rack
Tenders are invited for High Capacity Reverser T Type Drum Contact For Reverser 1500 Amp.