A device for optical and acoustic effects, used for cultural, entertainment or commercial purposes (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the object of the main patent no. 187,521 which consists essentially in using the rotation of the machine in an adjusted and periodic manner an optical projector obtaining the transmission of said movement from that talking device by means of a flexible cable that ends in a box depending on the projector in whose case are mounted gear systems demultiplicadores which are driven by the said flexible transmission being arranged in this same gearbox a cross of malta whose axis is coupled to the projector and being operated said cross times by an arm impeller dependent on the gears referred to which rotate continuously while the aforementioned cross of mala does so in a rhythmic manner and each time it is driven by the aforementioned arm being the approximate relationship between the latter and that of each complete turn of said arm corresponds a quarter of a turn of the maltese cross. (Machine-translation by Google Translate, not legally binding)