Static structures (e.g. – buildings) – With exposed configuration having acoustical function
Patent
1991-10-23
1993-07-13
Friedman, Carl D.
Static structures (e.g., buildings)
With exposed configuration having acoustical function
181285, 181286, 181288, E04B 182
Patent
active
052262677
ABSTRACT:
Disclosed are a variety of structural acoustical cinder blocks including locking blocks which are intended to be assembled together through the use of mortar to provide a diffusor of desired shape and configuration. Each diffusor includes a plurality of wells, the depths of which are determined through the use of number theory sequences, such as, for example, the quadratic-residue sequence developed by Karl Frederick Gauss. The surface irregularities formed in the blocks are unique in that they provide a flat power spectrum and constant scattered energy in the diffraction directions. Each of the blocks including wells also includes a low frequency sound absorbing chamber. The blocks are installed such that there is a stacked bond on the diffusing face and a running bond on the structural rear face. If desired, a single block may be made which includes an entire sequence of wells and dividers.
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D'Antonio Peter
Konnert John H.
Pardo Jorge E.
Friedman Carl D.
Leno Matthew E.
RPG Diffusor Systems, Inc.
Spiegel H. Jay
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