Conical transducer and reflector apparatus

Details Conical transducer and reflector apparatus Conical transducer and reflector apparatus

1975-04-15

1977-05-24

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

340 8FT, H01L 4104

Patent

active

040258050

ABSTRACT:
The invention provides a transducer for use with a conical reflector in which the transducer comprises a frusto-conical radiating member that is coaxially positioned with respect to the reflector member. The half angles of the radiating member and reflectors are related such that every ray from a selected point of interest on the axis that is reflected from the reflector cone to the active surface of the radiating member intersects substantially normally to the active surface.
Where the energy is directed to a point of interest distant from the reflector, the half angles are related in accordance with the formula ##EQU1## ; AND, WHERE THE POINT OF INTEREST IS ON THE AXIS, THE HALF ANGLES ARE RELATED IN ACCORDANCE WITH THE FORMULA ##EQU2## where .phi. = CONICAL REFLECTOR HALF ANGLE;

REFERENCES:
patent: 2345472 (1944-03-01), Goldsmith
patent: 2414495 (1947-01-01), Vang
patent: 2795709 (1957-06-01), Camp
patent: 3030606 (1962-04-01), Harris
patent: 3301936 (1967-01-01), Carman et al.
patent: 3309929 (1967-03-01), Simmons et al.
patent: 3470868 (1969-10-01), Krause et al.

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