Title:
CIRCUIT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/074498
Kind Code:
A1
Abstract:
A circuit board (10) of a circuit device (1) is provided with: a signal processing unit (3) for processing an input current signal (Iin); an energization control unit (4) through which a current that is larger than the current signal (Iin) flows; and a ground wiring unit (5) connected to a ground terminal (6). The ground wiring unit (5) comprises a main ground (51) common to the signal processing unit (3) and the energization control unit (4), and a plurality of sub-ground wires (52) to (55) connected to the main ground (51), and in the signal processing unit (3), ground portions (31g), (32g) of each of a plurality of analog signal circuits (3A) that are connected to one another by way of an analogue signal line (La) are connected to one another by way of the ground wiring line (521) and are connected to the main ground (51) by way of the same sub-ground wire (52).
Inventors:
NAKAGOME MASANARI (JP)
MIZUNO DAISUKE (JP)
MIZUNO DAISUKE (JP)
Application Number:
PCT/JP2022/038934
Publication Date:
May 04, 2023
Filing Date:
October 19, 2022
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01N27/41; G01N27/416; G01N27/419
Foreign References:
| JP2004212284A | 2004-07-29 | |||
| JP2009544008A | 2009-12-10 | |||
| US20120149129A1 | 2012-06-14 | |||
| CN107677708A | 2018-02-09 | |||
| JP2014099552A | 2014-05-29 | |||
| JP2014099554A | 2014-05-29 | |||
| JP2009244255A | 2009-10-22 |
Other References:
STEWART, E. L. ET AL.: "Grounds, grounds, and more grounds", SIMULATION, vol. 5, no. 2, 1 January 1965 (1965-01-01), pages 121 - 128, XP009545672, ISSN: 1741-3133, DOI: 10.1177/003754976500500217
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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