Automatic 35mm Motion-Picture Printer
Auxiliary equipment has been designed and built in an experimental form which will automatically control the light shutter of a Bell & Howell printer. By means of silicon solar cells, a contact-making voltmeter and a 22-step selsyn transmitter device the aperture control of the printer is varied in accordance with the opacity of the negative being printed.
- Print ISSN
- 0361-4573
- Published
- 1961-04
- Content type
- Original Research
- DOI
- 10.5594/J14364
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