Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1986-08-18
1988-01-12
Sloyan, T. J.
Communications: electrical
Audible indication
Percussion-type sound producer
33 1PT, 250231SE, 340347M, H03M 126
Patent
active
047194499
ABSTRACT:
Each movable member (1) has a disk (6) which is mounted free to rotate about an axis (5) and which includes an annular area (7) of radial stripes (8) together with three concentric coding and read areas (9, 10, 11) having holes therethrough. The read station is equipped with a compressed air blast nozzle (15) for rotating each disk (6) presented thereto, together with a branch (17A) having suitable detectors (18, 19, 20) for detecting said holes and connected to electronic decoding circuits.
REFERENCES:
patent: 2934824 (1960-05-01), Braybrook et al.
patent: 3408483 (1968-10-01), Zuse
patent: 3594735 (1971-07-01), Furlong et al.
Jice Automation
Sloyan T. J.
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