Miscellaneous active electrical nonlinear devices – circuits – and – External effect – Temperature
Reexamination Certificate
2011-06-28
2011-06-28
Nguyen, Long (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
External effect
Temperature
C374S163000
Reexamination Certificate
active
07969227
ABSTRACT:
According to one embodiment, a temperature detection circuit is provided which requires only a small number of additional components, thus minimizing an increase in costs and which offers an insulating property and high responsiveness. A temperature detection circuit outputs a first PWM signal corresponding to a temperature of a first temperature sensor from a photointerrupter as a signal insulated from the first temperature sensor. A temperature detection circuit outputs a second PWM signal corresponding to a temperature of a second temperature sensor from a photointerrupter as a signal insulated from the second temperature sensor. A controlling arithmetic apparatus calculates a higher one of the temperatures detected by the first and second temperature sensors based on the PWM signals output from the photointerrupter.
REFERENCES:
patent: 7731417 (2010-06-01), Kumagai
patent: 2008/0238529 (2008-10-01), Kumagai
patent: 3-139105 (1991-06-01), None
patent: 10-210790 (1998-08-01), None
patent: 2001-169401 (2001-06-01), None
patent: 2003-294543 (2003-10-01), None
International Preliminary Report on Patentability with Written Opinion issued on Dec. 29, 2010, in PCT/JP2009/057775 filed Apr. 17, 2009.
International Search Report issued Jul. 7, 2009 in PCT/JP2009/057775 filed Apr. 17, 2009 with English translation.
Hasegawa Ryuta
Hirata Masami
Morikawa Ryuichi
Tada Nobumitsu
Kabushiki Kaisha Toshiba
Nguyen Long
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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