Pulse or digital communications – Transmitters – Antinoise or distortion
Reexamination Certificate
2007-06-05
2007-06-05
Vo, Don N. (Department: 2611)
Pulse or digital communications
Transmitters
Antinoise or distortion
Reexamination Certificate
active
10399757
ABSTRACT:
A transmission apparatus of a data transmission and reception system includes a number of converters, multipliers, adders and a transmission unit. The converters convert information-bit sequences b(0), b(1)and b(2), respectively, into encoded x(0), x(1)and x(2), respectively. The multipliers multiply respectively the encoded sequences x(0), x(1)and x(2)by constants a(0), a(1)and a(2). The adder adds a constant-times encoded sequence a(0)x(0)produced by a first multiplier as a result of multiplication to a constant-times encoded sequence a(1)x(1)produced by a second multiplier. A second adder adds an additive encoded sequence a(0)x(0)+a(1)x(1)produced by a first adder to a constant-times encoded sequence a(2)x(2)produced by a third multiplier. The transmission unit transmits an additive encoded sequence g(=a(0)x(0)+a(1)x(1)+a(2)x(2), produced by the second adder to an external apparatus as a transmitted signal g′.
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International Search Report PCT/JP02/08952, Nov. 12, 2002.
Kobayashi Mari
Suzuki Mitsuhiro
Lerner David Littenberg Krumholz & Mentlik LLP
Sony Corporation
Vo Don N.
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