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Pentagrid converter
Known as:
Octode
, Heptodes
, Heptode
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The pentagrid converter is a type of radio receiving valve (vacuum tube) with five grids used as the frequency mixer stage of a superheterodyne radio…
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Related topics
Related topics
9 relations
Autodyne
Beam deflection tube
Dynatron oscillator
Frequency changer
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Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2018
2018
A decidability result for the halting problem of cellular automata in the pentagrid
M. Margenstern
arXiv.org
2018
Corpus ID: 54462267
In this paper, we investigate the halting problem for deterministic cellula automata in the pentagrid. We prove that the problem…
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2018
2018
Pentagonal Structures as Impulse for Art
Cornelie Leopold
2018
Corpus ID: 126339260
The work of the contemporary Dutch artist Gerard Caris is presented as an example, how art creations and design processes can…
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2016
2016
A new system of coordinates for the tilings $\{p, 3\}$ and $\{p$$-$$2, 4\}$
M. Margenstern
arXiv.org
2016
Corpus ID: 1217231
In this paper, we indicate a new way to define coordinates for the tiles of the tilings $\{p,3\}$ and $\{p$$-$$2,4\}$ where the…
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2014
2014
Pentagrid and Heptagrid: the Fibonacci Technique and Group Theory
M. Margenstern
J. Autom. Lang. Comb.
2014
Corpus ID: 37466827
2011
2011
Cubic Fuzzy Precision: Tau-scaled Fractals from Plain-vanilla Pentagrids
J. Vienne
2011
Corpus ID: 116100892
The discoveries of Penrose tiles, quasicrystals, and Penrose/pentagrid duality have breathed new life into 5-fold symmetries. But…
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2010
2010
About the embedding of one dimensional cellular automata into hyperbolic cellular automata
M. Margenstern
arXiv.org
2010
Corpus ID: 1904213
In this paper, we look at two ways to implement determinisitic one dimensional cellular automata into hyperbolic cellular…
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Review
2006
Review
2006
Ordering of Si atoms on the fivefold Al-Pd-Mn quasicrystal surface
J. Ledieu
,
P. Unsworth
,
T. Lograsso
,
A. R. Ross
,
R. McGrath
2006
Corpus ID: 19197504
Silicon atoms are found to form an ordered overlayer on the fivefold surface of the icosahedral Al-Pd-Mn quasicrystal. Using…
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2006
2006
On the Communication Between Cells of a Cellular Automaton on the Penta- and Heptagrids of the Hyperbolic Plane
M. Margenstern
Journal of Cellular Automata
2006
Corpus ID: 1646
This contribution belongs to a combinatorial approach to hyperbolic geometry and it is aimed at possible applications to computer…
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2004
2004
Selective etching of polycrystalline silicon in a hexode type plasma etcher
Robson Vieira
,
Valter Martarello
,
S. Moshkalyov
,
J. A. Diniz
,
J. Swart
2004
Corpus ID: 138434441
Plasma etching is a powerful tool for production of anisotropic structures with sub-micron/nano critical dimensions. Besides the…
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Review
1997
Review
1997
Edward W. Herold: A Leader In The Development Of Color Television
Edward W. Herold
Proceedings of the IEEE
1997
Corpus ID: 264666646
Sixty years ago this month, the P ROCEEDINGS OF THE INSTITUTE OFRADIO ENGINEERS(IRE) included a paper by Edward W. Herold (Fig. 1…
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