Patent ID: 8116499

Claim:
An improved unidirectional microphone having desired frequency response characteristics and of the type having a headpiece and a handle, with said headpiece including a male-threaded rear end, a diaphragm, a microphone cartridge assembly, a forward facing opening for a first acoustical path that directs sound onto the front of said diaphragm, a rearward facing opening that begin a second acoustical path that s directs sound onto the rear of said diaphragm, and said handle including a female-threaded front end, an acoustic chamber of a specified volume that is situated in the front of said handle, and an opening for the beginning of a third acoustical path that directs sound between said acoustic chamber and said diaphragm, and wherein said threaded ends are such that said headpiece and handle are screw connectable at said threaded ends, wherein the improvement comprising: an adapter having a male-threaded and a female-threaded end and a cavity of a specified volume that extends between said ends, each of said ends having a centerline and said centerlines intersecting at a prescribed angle, and wherein said handle acoustic chamber and cavity specified volumes are approximately equivalent and said adapter male-threaded end is screw connected to said handle front end and said adapter female-threaded end is screw connected to said headpiece rear end in such a manner as to not appreciably change said desired frequency response characteristics of said microphone.