Electrical resistors – Resistance value responsive to a condition
Patent
1988-07-28
1990-02-13
Griffin, Donald A.
Electrical resistors
Resistance value responsive to a condition
440 1, H01C 700, B63H 2126
Patent
active
049010506
ABSTRACT:
A tilt sensor for a vehicle steering shaft includes a base resistive element layer formed in an opposed contact with a base plate surface. A plural layer structure is provided with a protective resistive element layer constructed by at least one layer formed on the base resistive element layer and an uppermost layer of the volume inherent reistance of the protective resistive element layer is higher than the volume inherent resistance of the base resistive element layer. The volume inherent resistance of the protective resistive element layer is from 2 to 500 times the volume inherent resistance of the base resistive element layer.
REFERENCES:
patent: 3578409 (1971-05-01), Silverman et al.
patent: 4500865 (1985-02-01), Tanaka et al.
patent: 4734065 (1988-03-01), Nakahama et al.
Ishii Masami
Kotaki Mitsuko
Oda Yukihisa
Tsuzuki Takayoshi
Yabuno Ryohei
Aisin Seiki Kabushiki Kaisha
Griffin Donald A.
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