Boots – shoes – and leggings
Patent
1986-02-07
1988-10-25
Lall, Parshotam S.
Boots, shoes, and leggings
36443111, 123479, 731173, F02B 300
Patent
active
047808268
ABSTRACT:
A sensor failure judgment system includes a plurality of condition sensors and a monitored sensor. A first failure judgment device monitors the condition sensors to determine proper operation thereof. If any condition sensor is not properly operating, its output signal is replaced by a standard value. A second faliure judgment device monitor determines the condition of the monitored sensor based on the output signals of the condition sensors. The monitored sensor is determined as having failed if the output signals of the condition sensors as compared with the output signal of the monitor sensor so indicate. A fail safe device is also provided, which receives the output signals of the condition sensors and determines if any of these output signals are the standard signal. If any of these output signals are the standard signal, the failure judgment is inhibited so that the monitored sensor will not be incorrectly judged as having failed.
REFERENCES:
patent: 4325251 (1982-04-01), Kanegae
patent: 4531495 (1985-07-01), Yamato et al.
patent: 4537065 (1985-08-01), Ootsuka et al.
patent: 4572143 (1986-02-01), Umesaki et al.
patent: 4615321 (1986-10-01), Haefner et al.
Nakano Jiro
Ogawa Takashi
Lall Parshotam S.
Toyota Jidosha & Kabushiki Kaisha
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