Title:
ノイズの影響を受けない電流検出回路
Document Type and Number:
Japanese Patent JP6487396
Kind Code:
B2
Abstract:
A current detection circuit includes: a resistor in a current path; first and second signal transmission units that transmit signals of first and second terminal sides of the resistor; a first difference operation unit that executes a difference operation on the signals transmitted by the first and second signal transmission units; a noise-capturing transmission unit starting point; third and fourth signal transmission units connected with the noise-capturing transmission unit starting point; a second difference operation unit that executes a difference operation on the signals transmitted by the third and fourth signal transmission units; and a summing operation unit that executes a summing operation on the first and second difference signals, wherein the first signal transmission unit and the fourth signal transmission unit are disposed close to each other and the second signal transmission unit and the third signal transmission unit are disposed close to each other.
Inventors:
Kunio Tsuchida
Taku Sasaki
Kiichi Inaba
Taku Sasaki
Kiichi Inaba
Application Number:
JP2016173798A
Publication Date:
March 20, 2019
Filing Date:
September 06, 2016
Export Citation:
Assignee:
FANUC Corporation
International Classes:
G01R19/00
Domestic Patent References:
| JP61112969A | ||||
| JP51090240A | ||||
| JP2001349868A |
Foreign References:
| WO2003032478A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura