Invention Grant
US08351616B1 Array of multiple LF transducers with ultrahigh cardioid sound pattern generation
有权
具有超高心形声音图案生成的多个LF换能器阵列
- Patent Title: Array of multiple LF transducers with ultrahigh cardioid sound pattern generation
- Patent Title (中): 具有超高心形声音图案生成的多个LF换能器阵列
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Application No.: US11286761Application Date: 2005-11-23
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Publication No.: US08351616B1Publication Date: 2013-01-08
- Inventor: Curtis E. Graber
- Applicant: Curtis E. Graber
- Agent Paul W. O'Malley; Susan L. Firestone
- Main IPC: H04R1/02
- IPC: H04R1/02
Abstract:
Differential spacing of loudspeakers in an end fire array is employed to reduce beam spread and, where a ground barrier is present, to suppress any resultant back wave.
Public/Granted literature
- US3135931A Directional isolator employing gyromagnetic material biased at an angle to increase damping Public/Granted day:1964-06-02
Information query
