Patent ID: 9274510
Filing Date: 2016-03-01
CPC Classification: F16P,G01V,G05B,G10K

Claim Text:
1. A light grid ( 10 ) having a plurality of light transmitters ( 14 ) for transmitting a respective monitoring light beam ( 38 ) and having a plurality of associated light receivers ( 22 ) to generate an object detection signal ( 42 a - d ) depending on the reception of the monitoring light beam, having a control ( 30 , 32 ) which is configured to divide the monitoring light beams ( 38 ) into groups and to consecutively activate the monitoring light beams ( 38 ) of the groups, wherein, in a group-wise parallel monitoring sequence, a respective monitoring light beam ( 38 ) of each group is activated in parallel, as well as having a first bus ( 34 ) via which the object detection signals can be output to the control ( 32 ) by the light receivers ( 22 , 26 ), wherein the light receivers ( the object detection signal (