Patents by Inventor Lars Akesson

Lars Akesson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4750621
    Abstract: The invention relates to a method of sorting cutlery, comprising opto-electronic dynamic recognition and identification of the cutlery. The pieces of cutlery are brought forward in a longitudinal direction one by one behind each other on a moving conveyor belt (12). The movement of the belt is precision linked to a pulsator (13), which emits pulses with a frequency that is directly proportional to the speed of the belt. The pieces of cutlery are brought by the conveyor belt to pass one by one through an optical read-off unit (14) between a light source (32) and a bar (40) of photo-transistors (33) or light-conductors (38) which transmit light to photo-transistors. The bar extends at right angles to the direction of movement of the belt, so that it is partially shaded by the cutlery when this passes, whereupon the photo-transistors in the parts of the bar shaded at any moment are inactivated.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: June 14, 1988
    Assignee: Regionala Stiftenlsen i Varmland med firma ERRESS
    Inventors: Lars Akesson, Nils Loof