In-vehicle protection apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11855440
APP PUB NO 20220294207A1
SERIAL NO

17654007

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A circuit is protected from sudden potential fluctuations that occur in a power ground. An in-vehicle protection apparatus includes a first Zener diode portion, a second Zener diode portion, a diode portion, and an intermediate conductive path. A voltage based on a power source is applied to the anode side of the diode portion. The intermediate conductive path is provided with a branch portion at one end, and forms a path between the cathode of the diode portion and the branch portion. The cathode of the first Zener diode portion is electrically connected to the branch portion and the anode of the first Zener diode portion is electrically connected to a power ground line. The cathode of the second Zener diode portion is electrically connected to the branch portion and the anode of the second Zener diode portion is electrically connected to a signal ground line.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO WIRING SYSTEMS LTDMIE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higuchi, Yutaka Yokkaichi, JP 23 243
Kawamura, Ibuki Yokkaichi, JP 3 1
Kobayashi, Makoto Yokkaichi, JP 647 7424
Oshima, Kohei Yokkaichi, JP 5 11

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