Electronic control unit

Details Electronic control unit Electronic control unit

2007-03-06

2007-03-06

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S520000

Reexamination Certificate

active

11201382

ABSTRACT:
This invention provides an electronic control unit is capable of suppressing electromagnetic noise having a frequency band used in a portable wireless apparatus, and capable of exhibiting a noise resistance property against electromagnetic noise. The electronic control unit including a constant voltage power supply circuit portion, an analog signal inputting circuit portion, and a conversion processing circuit portion, an analog sensor and a driving power supply being connected to the outside, and the unit being connected to the analog sensor through a power supply line and a signal line, in which the analog signal inputting circuit portion includes a current limiting circuit portion, an integrating circuit portion, a current limiting resistor, a signal noise absorbing circuit, and a first bypass capacitor, and capacitance (C1) and parasitic inductance (L1) of the first bypass capacitor are set in a range of 7×106<1/[2π√(L1×C1)]<35×106.

REFERENCES:
patent: 6194873 (2001-02-01), Matsushita
patent: 6978029 (2005-12-01), Ikeda
patent: 11-202037 (1999-07-01), None
patent: 11-274672 (1999-10-01), None
patent: 2002-43525 (2002-02-01), None
patent: 2003-204166 (2003-07-01), None

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