H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
H01H47/24—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil having light-sensitive input
Cine camera with selective exposure modes - varies exposure for each film frame according to available light via current supply tracks on motor:coupled disc
Dispositif automatise permettant le deroulement de cartes geographiques imprimees sur une bande de materiel plastique transparent, dans le but de leur visionnement