Title:
CIRCUIT FOR DETERMINING POSITION OF MOVABLE MEMBER
Document Type and Number:
Japanese Patent JP2015211636
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve the problem which increases the number of long wires inside a vehicle body and makes a control system heavier and more expensive when motors and a controller are remote from each other.SOLUTION: A circuit (10) for determining a position of a movable member driven by at least one electric motor (12) includes a sampling circuit (14) for generating a ripple signal indicative of a rotational number of the motor, and a converter (16) for converting the ripple signal to a pulse signal which has a frequency the same as the frequency of the ripple signal.
Inventors:
WU YI YONG
LIU PIN
WANG XIAO MING
LIU PIN
WANG XIAO MING
Application Number:
JP2015090288A
Publication Date:
November 24, 2015
Filing Date:
April 27, 2015
Export Citation:
Assignee:
JOHNSON ELECTRIC SA
International Classes:
H02P7/06
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Hiroshi Uesugi
Naoki Kondo
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Hiroshi Uesugi
Naoki Kondo
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