Communications: electrical – Selective
Patent
1977-03-07
1978-04-11
Farley, Richard A.
Communications: electrical
Selective
49 25, 49 31, 109 19, G01S 966, E05F 1520
Patent
active
040841499
ABSTRACT:
A sonar device for controlling movement of an object such as a transport drawer for delivery of material or things under security conditions to a customer. Examples of such transport drawers are bank drive-up window deal drawers or similar deal-type drawers for secure delivery and sale of pharmaceuticals fast foods, library books and packages of valuable things. The sonar device detects when a predetermined fixed distance has been established or occurs between a moving object such as a banking equipment deal drawer, and an object or body such as a vehicle being served by or using the drawer; and signals that the fixed distance exists, which signal may trigger stopping of a motor drive for the drawer to avoid collision of the drawer with the vehicle.
REFERENCES:
patent: 2743429 (1956-04-01), Erdman et al.
patent: 3098992 (1963-07-01), Rath
Driver Don A.
Theriault Franklin M.
Diebold Incorporated
Farley Richard A.
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