Communications – electrical: acoustic wave systems and devices – Underwater system – Telemetering
Reexamination Certificate
2005-02-22
2005-02-22
Pihulic, Daniel (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Underwater system
Telemetering
C367S003000
Reexamination Certificate
active
06859419
ABSTRACT:
An apparatus for enabling acousto-optic communication comprising an in-water platform comprising means for emitting an acoustic signal to an acousto-optic interaction zone, an in-air platform comprising the ability for transmitting a first optical interrogation beam, the ability for receiving a portion of the first interrogation beam and a second laser beam formed from the reflection of the first interrogation beam off of the acousto-optic interaction zone, the ability for measuring and outputting a plurality of optical interferences between the portion of the first interrogation beam and the second reflected beam, and a signal converter receiving as input the plurality of optical interferences and outputting an electrical signal representing the received acoustic telemetry signal at the interrogation point at the air-water interface.
REFERENCES:
patent: 3153236 (1964-10-01), Harvey
patent: 6320665 (2001-11-01), Ngoi et al.
patent: WO9113373 (1991-09-01), None
Antonelli Lynn T.
Blackmon Fletcher A.
Estes Lee E.
Fain Gilbert
Kasischke James M.
Nasser Jean-Paul A.
Oglo Michael F.
Pihulic Daniel
The United States of America as represented by the Secretary of
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