Boots – shoes – and leggings
Patent
1995-09-27
1998-10-20
Mai, Tan V.
Boots, shoes, and leggings
G06F 1714
Patent
active
058256768
ABSTRACT:
An orthogonal converting apparatus is constructed by an addition-subtraction operation circuit for calculating the addition and difference between two signal trains each consisting of n (n.gtoreq.1) signals, two multiplication-addition operation circuits each for calculating multiplication-addition of the (n) signals, a transposition circuit for permutating (2n.times.2n) signals arranged in the horizontal and vertical directions and a control circuit for controlling an operation of each of the above-mentioned circuits, wherein the control circuit executes the following processes by controlling the operations of the above-mentioned circuits: a first encoding process for executing a 2-dimensional orthogonal converting process to the (2n.times.2n) input signals a first decoding process corresponding to the first encoding process a second encoding process for dividing the (2n.times.2n) input signals into (n.times.2n) signals each corresponding to an addition of adjacent lines and, likewise (n.times.2n) signals each corresponding to a subtraction of adjacent lines and for performing the 2-dimensional orthogonal converting process and a second decoding process corresponding to the second encoding process.
REFERENCES:
patent: 5181183 (1993-01-01), Miyazaki
patent: 5590066 (1996-12-01), Ohki
Canon Kabushiki Kaisha
Mai Tan V.
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