Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1986-12-30
1988-12-06
Tarcza, Thomas H.
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367 99, G01S 968
Patent
active
047899700
ABSTRACT:
The present invention provides a method and device for determining the positioning of an element or target using at least one acoustic emitting-receiving sensor. In this method only the signal received by said sensor and due to the diffraction of the signal emitted by said sensor is taken into account.
REFERENCES:
patent: 4292678 (1981-09-01), Kay
patent: 4460987 (1984-07-01), Stokes et al.
patent: 4635241 (1987-01-01), Saglio
patent: 4653033 (1987-03-01), Posseme
Institut Francais du Pe'trole
Pihulic Daniel T.
Tarcza Thomas H.
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