Title:
ANALOG SIGNAL INPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/084557
Kind Code:
A1
Abstract:
This analog signal input device (1) comprises: a first pulse transformer (3) which insulates an analog signal (W1) input from the outside; a first switch element (5) which is connected to a primary side of the first pulse transformer (3); a reset circuit (6) which is connected in parallel to the first pulse transformer (3) on a secondary side of the first pulse transformer (3), and has a resistance element (61) and a second switch element (62) connected in series to each other; and a control circuit (11) which outputs, to the first switch element (5), a drive signal (W2) for controlling on-off of the first switch element (5), and outputs, to the second switch element (62), a reset signal (W4) for controlling on-off of the second switch element (62), wherein the control circuit (11) turns ON the second switch element (62) when turning OFF the first switch element (5).
Inventors:
NISHIJIMA JUN (JP)
AKEBOSHI YOSHIHIRO (JP)
KUWAHARA TAKASHI (JP)
AKEBOSHI YOSHIHIRO (JP)
KUWAHARA TAKASHI (JP)
Application Number:
PCT/JP2021/041061
Publication Date:
May 19, 2023
Filing Date:
November 09, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H03K17/691; H03K19/0175
Foreign References:
| JP2011227615A | 2011-11-10 | |||
| JPS55124938U | 1980-09-04 | |||
| JP2017163518A | 2017-09-14 | |||
| JP2002044946A | 2002-02-08 |
Attorney, Agent or Firm:
SANNO PATENT ATTORNEYS OFFICE (JP)
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