A component placement apparatus includes: a tray storing device having slots for storing trays, a tray transporting device for transporting a tray from the tray storing device to a pickup area, a controller for controlling the transport of the trays into and out of the tray storing device, and at least...http://www.google.co.uk/patents/US8151448?utm_source=gb-gplus-sharePatent US8151448 - Component placement apparatus, component feeding apparatus and method