Patent
Two-dimensional primitive root diffusor
Peter D'Antonio,John H. Konnert +1 more
- 13 Sep 1993
22
TL;DR: In this article, a two-dimensional primitive root diffusor includes a 2D pattern of wells, the depths of which are determined through operation of primitive root sequence theory, and a prime number N is chosen such that N-1 has two coprime factors which are non-divisible into each other.
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Abstract: A two-dimensional primitive root diffusor includes a two-dimensional pattern of wells, the depths of which are determined through operation of primitive root sequence theory A prime number N is chosen such that N-1 has two coprime factors which are non-divisible into each other From the prime number, a primitive root is determined and, in the preferred embodiment, an algorithm is used to determine sequence values for each well Each sequence value is proportional to the well depth, with each sequence value being multiplied by the design wavelength and then divided by 2N to arrive at the actual well depth value
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Citations
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TL;DR: In this article, a communication system utilizing low bandwidth requirements for transmitting an encoded value formulated using the Chinese Remainder procedure to receivers having a private key was proposed. But the system is not secure.
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19
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Acoustic diffuser panel system and method
Burton E. Cullum,Debbie L. Cullum +1 more
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TL;DR: An acoustic diffuser panel for diffusing sound of a range of frequencies comprises a sound reflective surface having a plurality of generally parabolic shaped wells interconnected by arcuate junctions.
17
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Wedge-shaped acoustic diffuser and method of installation
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TL;DR: In this paper, a number theoretical acoustic diffuser is proposed for the upper corners of a room, with the deepest end of the wedge-shape up and tapering down to the thinnest end of a wedge shape.
12
References
Sound absorbing diffusor
Peter D'Antonio,John H. Konnert +1 more
TL;DR: In this paper, an improved sound absorbing diffusor is presented, where the surface designed to face the sound source includes a plurality of sound absorbing wells of equal widths but different depths separated by thin sound absorbing dividers.
39
Two dimensional sound diffusor
TL;DR: In this article, a two-dimensional sound diffusor is composed of a plurality of wells defined by a matrix of projecting elements, which have different depths and widths, arranged in a repeating pattern.
29
Acoustical diffusing and absorbing cinder blocks
Peter D'Antonio,John H. Konnert +1 more
TL;DR: In this article, the authors describe a structural acoustical cinder blocks including blocks which are intended to be assembled together through the use of mortar to provide a diffusor of desired shape and configuration.
25
Cinder block modular diffusor
Peter D'Antonio,John H. Konnert +1 more
TL;DR: In this article, the authors describe an acoustical diffusor device which is made up of a plurality of specially designed and shaped cinder or concrete blocks which may be assembled together through the use of mortar.
21
Variable acoustics modular performance shell
TL;DR: A performance shell is a set of modular components which may be assembled together to surround a performing entity ranging from a single soloist to a full orchestra as mentioned in this paper, which can be added and subtracted as desired to adapt the size of the shell to the size and type of the performance entity.
15
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