Visual diagnostic system for a jacquard machine

摘要

PCT No. PCT/GB97/03366 Sec. 371 Date Jul. 23, 1999 Sec. 102(e) Date Jul. 23, 1999 PCT Filed Dec. 17, 1997 PCT Pub. No. WO98/27254 PCT Pub. Date Jun. 25, 1998A diagnostic system for a jacquard machine having a plurality of heald hooks (16) moveable between at least two discrete shed positions, the system including visual sensing means (30) for producing a visual image of hooks (16) located at one of said shed positions during each weaving cycle, and control means (49) for comparing said visual image with a predetermined shed pattern for each corresponding weaving cycle in order to determine whether or not all the appropriate hooks have been selected to define the required shed pattern.