Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1993-08-27
1995-09-12
Neyzari, Ali
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 36, 395427, 235385, G11B 1722, G06F 1200
Patent
active
054503850
ABSTRACT:
Each storage cell in an automated storage and retrieval system is provided with a mark, such as a bar code label, which is detectable to a vision system when the cell is empty. Further, each item storable in a cell is also provided with a mark, such as a bar code label uniquely identifying the item, which is detectable by the vision system. During an inventory of the contents of the system, the vision system is moved across the openings of the cells and scans for the marks. If an item mark is detected, entries in a data table are made indicating the location of the cell being scanned and its occupied status. The identity of the item detected can also be entered into the data table. On the other hand, if a cell mark is detected, entries in a data table are made indicating the location of the cell being scanned and its empty status. If neither mark is detected at a cell, additional steps can be initiated to determine the status of the cell. Consequently, the location of each empty cell and each occupied cell can be positively identified and recorded in a single scanning operation. The identity of each stored item can also be recorded with its location in the same operation.
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Ellis John F.
Gallo Frank D.
Gooding Gary F.
Rockwell Scott M.
International Business Machines - Corporation
Neyzari Ali
Shifrin D. A.
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