Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – Combining of plural signals
Reexamination Certificate
2009-03-16
2010-02-23
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific input to output function
Combining of plural signals
C327S355000, C327S361000, C455S326000
Reexamination Certificate
active
07667523
ABSTRACT:
An orthogonal signal output circuit having an error correction function for correcting an orthogonal error, including: first and second differential circuits; and first to fourth variable resistors, wherein the first variable resistor is connected to a positive output of the first differential circuit and a positive output of the second differential circuit; the second variable resistor is connected to the positive output of the first differential circuit and a negative output of the second differential circuit; the third variable resistor is connected to a negative output of the first differential circuit and the positive output of the second differential circuit; and the fourth variable resistor is connected to the negative output of the first differential circuit and the negative output of the second differential circuit.
REFERENCES:
patent: 5355101 (1994-10-01), Ichihara et al.
patent: 6516186 (2003-02-01), Yamagishi et al.
patent: 7050779 (2006-05-01), Ono et al.
patent: 7113760 (2006-09-01), Petrov et al.
patent: 7139546 (2006-11-01), Petrov et al.
patent: 7457606 (2008-11-01), Kim
patent: 2000-115265 (2000-04-01), None
patent: 2002-232497 (2002-08-01), None
Kobayashi Nobuhiko
Kudo Masahiro
Oishi Kazuaki
Fujitsu Limited
Katten Muchin & Rosenman LLP
Le Dinh T.
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