Title:
制御装置
Document Type and Number:
Japanese Patent JP4142142
Kind Code:
B2
Abstract:
The device has a center tap (MA) provided between an output stage switch (T1) and an inductive load (L) and connected with a measuring circuit (MS). A control circuit (SS) creates a measurement breaking interval by suppressing a pulse width modulation (PWM) activating interval. The control circuit monitors the voltage at the center tap with the measuring circuit within the breaking interval and compares the voltage with a reference value.
Inventors:
Horst frock
Application Number:
JP1572598A
Publication Date:
August 27, 2008
Filing Date:
January 28, 1998
Export Citation:
Assignee:
AFL Germany Electronics Gesellschaft Mitt Beschlenktel Haftung
International Classes:
H02P7/29; H03K17/06; H03K17/082; H03K17/16; H03K17/695
Domestic Patent References:
| JP2159995A | ||||
| JP8132353A | ||||
| JP4295296A | ||||
| JP5301578A | ||||
| JP3091095U | ||||
| JP4265690A | ||||
| JP5145133A |
Foreign References:
| WO1996020529A1 |
Attorney, Agent or Firm:
Takashi Ishida
Kenzo Hiraiwa
Toshio Toda
Masaya Nishiyama
Kenzo Hiraiwa
Toshio Toda
Masaya Nishiyama