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Patent Searching and Data


Title:
ELECTRIC APPARATUS
Document Type and Number:
Japanese Patent JP2020077744
Kind Code:
A
Abstract:
To inhibit increase in the number of components and manufacturing man-hours in applying insulation material on a circuit board.SOLUTION: A drive control device 10 for damping force variable dampers and the like comprises a circuit board 100 including a high-voltage generation circuit 11 for generating voltage higher than power supply voltage. The circuit board 100 includes: a first arrangement part in which at least one or some circuit components of the high-voltage generation circuit 11 are arranged in a recess 103 that at a position apart from an end edge of the circuit board's surface 101, recedes from the surface 101 in the thickness direction of the circuit board 100, the recess 103 filled with insulation material; and a second arrangement part in which the other circuit components other than the circuit components arranged in the first arrangement part are arranged on the surface 101.SELECTED DRAWING: Figure 4

Inventors:
IKEDA YOSHIKI
Application Number:
JP2018209974A
Publication Date:
May 21, 2020
Filing Date:
November 07, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
H05K1/02; H05K3/28
Attorney, Agent or Firm:
Moriaki Ogawa
Haruyuki Nishiyama
Mitsuji Sekiya