发明授权
US3702094A Photographic composition system 失效
摄影组合系统

Photographic composition system
摘要:
A photographic composition system having a pulsed light source that projects a beam of light through a font of characters to produce an image which is cast onto a sheet of film that is advanced by motor means. The controls for activating the motor provide for correct spacing between successive characters and are connected to a memory system which receives data input.
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