US 12,432,845 B2 · Vehicle-mounted electronic control device

Abstract

A circuit for EMC 1 in a power input circuit includes at least two wirings of a high-potential-side wiring 2 and a low-potential-side wiring 3 having different potentials and formed on a circuit board, a cutoff part 6 having one end connected to the high-potential-side wiring 2, a capacitor 10 connected between the other end of the cutoff part 6 and the low-potential-side wiring 3, a cutoff part 7 having one end connected to the high-potential-side wiring 2, a capacitor 20 connected between the other end of the cutoff part 7 and the low-potential-side wiring 3, and a capacitor 30 connected between a connection part 4 where the cutoff part 6 and the capacitor 10 are connected and a connection part 5 where the cutoff part 7 and the capacitor 20 are connected.

Claims3

Dependent claims

A vehicle-mounted electronic control device that operates by receiving power supply from a direct-current power source, the vehicle-mounted electronic control device comprising:

at least two wirings of a first wiring and a second wiring having different potentials and formed on a board;
a first fuse part having one end connected to the first wiring;
a first capacitor connected between another end of the first fuse part and the second wiring;
a second fuse part having one end connected to the first wiring;
a second capacitor connected between the other end of the second fuse part and the second wiring;
and
a third capacitor connected between a first connection part where the first fuse part and the first capacitor are connected and a second connection part where the second fuse part and the second capacitor are connected.

4 more elements

Dependencies are inferred from the claim text.

Vehicle-mounted electronic control device

Life of this patent

Vehicle-mounted electronic control device

Life of this patent

Abstract

Claims3