Appeal No. 1997-1379
Application 08/194,748
a status detector on the fixed unit, said status
detector detecting status of the fixed unit;
a second transmitting and receiving system on the
fixed unit, coupled to said status detector, receiving
the status request signals and transmitting the status
response signals responsive to the status request signals
and as indicated by the status of the fixed unit, wherein
the fixed unit comprising [sic] plural autonomous work
stations and an autonomous product warehouse, and the
movable unit comprising an autonomous carrier for
conveying products between the work stations;
an annular conveyance path formed along the work
stations with the carrier conveying products along the
annular conveyance path;
autonomous station conveyor means disposed between
the work stations and the conveyance path for conveying
products from the work stations to the carrier or from
the carrier to the work stations;
first control means for controlling the operation of
the station conveyor means; and
autonomous buffer means disposed between the product
warehouse and the conveyance path for the reception and
delivery of products between the warehouse and the
carrier,
wherein said first signal transmitting and receiving
system comprising [sic] first communication means for the
communication of loading and unloading status information
of products between the carrier and the station conveyor
means,
wherein said second signal transmitting and
receiving system comprising [sic] second communication
means for the communication of status information on the
loading and unloading of products between the carrier and
the buffer means,
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