Communications – electrical: acoustic wave systems and devices – Transmitter systems – With beam forming – shaping – steering – or scanning
Patent
1994-10-17
1996-04-02
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Transmitter systems
With beam forming, shaping, steering, or scanning
367905, 342104, 343776, H01Q 1300
Patent
active
055047181
ABSTRACT:
A module formed by an array of pipes is provided for installation in front of existing radar and sonar transducers. A preferred array is formed by a section of honeycomb material in which each pipe has a hexagonal cross section and is mounted in an insulating sheath. Each pipe acts as a radiator of energy from a transducer that combine in phase to produce a beam narrower than the beam from the transducer. The module is effective to improve the range and resolution of forward-looking radar and sonar devices.
REFERENCES:
patent: 3699481 (1972-10-01), Thompson et al.
patent: 3783967 (1974-01-01), Apgar
patent: 5341346 (1994-08-01), Youlton
Pihulic Daniel T.
Wadi, Inc.
Wiggins Macdonald J.
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