Improvements introduced in a commercial movie projection team. (Machine-translation by Google Translate, not legally binding)

摘要

Reading equipment and projection of films and microfilmated documentation.the team is controlled by an electronic circuit that receives sync and synonic signals generated by optical markings of the movie. The electronic circuit has an alphanumeric keyboard (34), timer keypad (55) associated with a signaling section, and indicators of numerical information, and a plurality of logical circuits. These are controlled by the presence of a counter circuit (31), connected to one of the indicators and to a comparator circuit (16). (Machine-translation by Google Translate, not legally binding)