Boots – shoes – and leggings
Patent
1988-05-25
1991-11-12
Shaw, Dale M.
Boots, shoes, and leggings
25036307, G06F 1542, G01T 1202
Patent
active
050653164
ABSTRACT:
The coordinates X and Y of the location of a scintillation crystal excited by nuclear radiation are determined as a function of the signals X.sup.+, X.sup.-, Y.sup.+, Y.sup.- produced conventionally by an electronic circuit associated with the scintillation crystal. The signals X.sup.+, X.sup.-, Y.sub.+ and Y.sup.- are digitized and the digital coordinate X (respectively Y) is obtained as the product of a first digital data item X.sup.+ -X.sup.- (respectively Y.sup.+ -Y.sup.-) and a second digital data item inversely proportional to the energy of the nuclear radiation received. To prevent beats in the value of the coordinates X and Y, which leads to a moire phenomenon in the radiation image, a random element is introduced into the calculation, for example by adding p random bits to the first digital data item.
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patent: 4223388 (1980-09-01), Nishikawa
patent: 4566074 (1986-01-01), Nishikawa
patent: 4672542 (1987-06-01), Roux et al.
patent: 4673971 (1987-06-01), Ikuta et al.
patent: 4688186 (1987-08-01), Ferrell et al.
patent: 4900931 (1990-02-01), Tournier et al.
Marcaud Monique
Tararine Michel
Thevenin Bernard
Commissariat a l''Energie Atomique
Huntley David
Meller Michael N.
Shaw Dale M.
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