Article dispensing – Automatic control – Of discharge assistant operation
Patent
1985-02-08
1987-01-20
Skaggs, H. Grant
Article dispensing
Automatic control
Of discharge assistant operation
221 21, 221 25, 221 70, 221 71, 194239, G07F 1100, G07F 100
Patent
active
046375236
ABSTRACT:
A system for scanning and dispensing postage stamps from a roll of stamps, including a scanning circuit for optically scanning each individual stamp on a stamp roll as the stamp passes thereby in order to detect the degree of opacity of such stamp and to produce a scanning output signal representative of the degree of opacity, an examination circuit including a first circuit portion operable to determine if an individual stamp boundary has been encountered and to produce a boundary detection signal in such event, and a second circuit portion responsive to such scanning output signal to determine if the degree of opacity detected identifies a non-blank stamp and to produce a non-blank status detection signal in such event, and a dispensing control circuit responsive to an externally generated dispense request signal and to the production of one or more boundary detection signals and non-blank status detection signals to control the operation of stamp movement and detaching devices. The first circuit portion is preferably responsive to the scanning output signal to determine if an individual stamp boundary has been encountered and the stamp movement device preferably includes friction roller members.
REFERENCES:
patent: 3621964 (1971-11-01), Riddle
patent: 3938663 (1976-02-01), Carnes et al.
patent: 3978958 (1976-09-01), Zandstra
patent: 4434911 (1984-03-01), Sakura
patent: 4510380 (1985-04-01), Uchida et al.
Alexander Jay I.
Coin Acceptors, Inc.
Skaggs H. Grant
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