Title:
物理量検出回路、物理量検出装置、電子機器及び移動体
Document Type and Number:
Japanese Patent JP7172177
Kind Code:
B2
Abstract:
To provide a physical quantity detector which can reduce currents flowing into a physical quantity detection element during a diagnosis.SOLUTION: The physical quantity detection circuit includes: a first terminal electrically connected to a first electrode of a physical quantity detection element; a driving circuit electrically connected to the physical quantity detection element; a diagnosis voltage output circuit having a diagnosis voltage generation circuit for generating a diagnosis voltage and a current limitation circuit in which the diagnosis voltage is input; and a switch electrically connected to the first terminal and the current limitation circuit.SELECTED DRAWING: Figure 9
Inventors:
Jun Watanabe
Application Number:
JP2018121512A
Publication Date:
November 16, 2022
Filing Date:
June 27, 2018
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G01P21/00; G01P15/08; G01P15/125; G01P15/18
Domestic Patent References:
| JP200975097A | ||||
| JP2004132886A | ||||
| JP345084U | ||||
| JP2015184209A | ||||
| JP200081449A |
Foreign References:
| US20060164778 |
Attorney, Agent or Firm:
Fuse Yukio
Michie Obuchi
Michie Obuchi