Operator Prompter or Information Device
Original Publication Date: 1978-Jun-01
Included in the Prior Art Database: 2005-Feb-21
This device includes a hollow drum 10 with lines of nomenclature, such as "STOCK", or other operator prompting information or directions on its exterior surface which appear in a window 12. Drum 10 is driven by motor 14 which is of the electrical stepping type and is controlled by ADDRESS WRITE, STEP MODE Phi (S Phi), STEP MODE 1 (S1) and ENABLE (E) signals.