Portable radio with integral acoustical horn

Claim 1

In a portable radio receiver adapted to be carried by a user, the combination including; a rectangular elongated housing having a first rectangular elongated compartment formed therein, a second rectangular elongated compartment formed therein adjacent said first compartment, and an interior partition wall formed between and separating said first and second compartments, said second compartment having a passage therein forming an acoustical horn, an acoustical chamber formed in said first compartment having a first aperture for allowing entry of sound waves, an expanding spiral conduit formed therein for allowing transmission of said sound waves, and the second aperture for allowing exit of said sound waves, said interior partition wall having an aperture therethrough for coupling said sound waves from said acoustical chamber second aperture to said second compartment acoustical horn, compressible coupling means mounted to the walls of said second aperture in said acoustical chamber, removable radio receiving means forming a complete self-contained operable radio and including transducer means for converting electrical waves to said sound waves and having an output opening for said sound waves, said radio receiving means being seated in said first compartment, said coupling means being compressed by said transducer means between said transduceR means output opening and said acoustical chamber for coupling said sound waves to said acoustical chamber, said radio receiving means and transducer means being completely physically separable from said coupling means for allowing removal and independent operation of said radio receiving means.