Communications – electrical: acoustic wave systems and devices – Underwater system
Patent
1985-11-04
1987-03-24
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Underwater system
73170A, 367135, H04B 1100
Patent
active
046530347
ABSTRACT:
A remote monitor unit comprising a battery pack, a regulated power supply, program control board, a receiver AD board, a plurality of memory boards and a transducer, all housed in a water tight enclosure. External control or data communication links are unnecessary with the remote monitor unit. Once the device has been activated and placed in its housing, a programmable time delay feature allows the user to place the unit at a selected site in advance of the start of the recording period without wasting any data storage capability. When deployed and activated, analog data from the transducer is converted to digital form and silently recorded by storing it in a non-volatile memory medium on the memory boards. The digitized information is later retrieved from the memory boards by micro, mini or main frame computer and stored on magnetic tape for subsequent processing. The memory boards are then erased by exposure to ultra-violet light and reused.
REFERENCES:
patent: 4480323 (1984-10-01), Page
Hoover Dale H.
Poole Lynn A.
Farley Richard A.
Lall Prithvi C.
McGill Arthur A.
McGowan Michael J.
The United States of America as represented by the Secretary of
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