Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2008-02-19
2011-10-18
Wu, Daniel (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S562000, C340S563000, C340S540000, C340S500000, C701S045000, C280S735000, C280S734000
Reexamination Certificate
active
08040241
ABSTRACT:
A capacitance-based occupant detection system accurately determines seat occupancy and a failure of an electrode and between electrodes and includes an impedance calculation section, a Re/Im part calculation section, and a determination section. A first impedance Z1is calculated including a main-body impedance Za between a main electrode and a vehicle body. The Re/Im part calculation section calculates real and imaginary parts of the first impedance Z1based on the first impedance Z1calculated by the impedance calculation section. The determination section determines the presence or absence of destruction of the main electrode and a guard electrode based on an imaginary part of the first impedance Z1calculated by the Re/Im part calculation section.
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U.S. Appl. No. 11/977,139, filed Oct. 23, 2007, Kiribayashi.
Ishikawa Masahiro
Kamizono Tsutomu
Kiribayashi Shinichi
Yamanaka Shoichi
Denso Corporation
Harness Dickey & Pierce PLC
Tang Son M
Wu Daniel
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