G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
G05B19/00—Program-control systems
G05B19/02—Program-control systems electric
G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
G05B19/40—Open loop systems, e.g. using stepping motor
Procédé de filtrage d'un signal électrique par transfert de charges dans un semi-conducteur et filtre à capacités commutées utilisant un tel procédé
Procédé de commande d'un écran de visualisation d'image affichant des demi-teintes, et dispositif de visualisation mettant en oeuvre le procédé