TREA

Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00

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Industry

  • CPC
  • B41B21/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41BMACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE TYPE PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES

Current Industry

B41B21/00Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00

Sub Industries

B41B21/02Shutters in optical systems B41B21/04for selecting characters B41B21/06for adjusting exposures B41B21/08Light sources Devices associated therewith B41B21/10Single light sources B41B21/12Stroboscopic light sources B41B21/14Combinations of light sources B41B21/16Optical systems B41B21/18defining a single optical path B41B21/20with means for moving stepwise B41B21/22with means for moving continuously B41B21/24defining multiple optical paths B41B21/26with means for selecting individual optical paths B41B21/28with means for fount selection B41B21/30Electron-beam tubes or charactrons B41B21/32Film carriers Film-conveying or positioning devices B41B21/34with positioning mechanisms B41B21/36for feeding films stepwise in line direction B41B21/38for feeding films continuously in line direction B41B21/40for line spacing B41B21/42for subscript or superscript notation B41B21/44adjustable for enlarging purposes
Industries