Patents Assigned to Electrotec de Occidente, S.A.
  • Patent number: 4008415
    Abstract: An improved photocontrol system for electrical lamps comprising the combination of photoelectric means responsive to the intensity of the ambient light for controlling the turning the lamps on and off, and an electronic timer for turning off the lamps at a preset time interval, after they have been turned on.
    Type: Grant
    Filed: December 11, 1974
    Date of Patent: February 15, 1977
    Assignee: Electrotec de Occidente, S.A.
    Inventors: Antonio De Avila-Serafin, Francisco Javier Diaz-Romo