公开(公告)号：WO1998013806A1

公开(公告)日：1998-04-02

申请号：PCT/US1997016465

申请日：1997-09-17

Applicant: ROSEMOUNT INC.

Inventor： ROSEMOUNT INC. ,  ANDERSON, Stephen, D. ,  JOHNSON, Theodore, L. ,  JUNK, Brian, S. ,  ORMAN, Michael, A. ,  SCHNAARE, Theodore, H. ,  TETZLAFF, David, E.

IPC: G08C19/02

CPC classification number: H02M7/219 ,  G08C19/02 ,  Y10T307/858 ,  Y10T307/865

Abstract: A field instrument (10) includes an input circuit (26) having a transistor bridge rectifier (Q1, Q2, Q3, Q4) which is couplable to a power supply. The transistor bridge rectifier (Q1, Q2, Q3, Q4) is configured to provide power from the power supply to a remainder of the field instrument (10).

Abstract translation: 现场仪器（10）包括具有可与电源耦合的晶体管桥式整流器（Q1，Q2，Q3，Q4）的输入电路（26）。 晶体管桥式整流器（Q1，Q2，Q3，Q4）被配置为从电源向现场仪器（10）的其余部分提供电力。

公开(公告)号：EP0870288A1

公开(公告)日：1998-10-14

申请号：EP97941662.0

申请日：1997-09-17

Applicant: ROSEMOUNT INC.

Inventor： ANDERSON, Stephen, D. ,  JOHNSON, Theodore, L. ,  JUNK, Brian, S. ,  ORMAN, Michael, A. ,  SCHNAARE, Theodore, H. ,  TETZLAFF, David, E.

IPC: G08C19 ,  H02M7

CPC classification number: H02M7/219 ,  G08C19/02 ,  Y10T307/858 ,  Y10T307/865

Abstract: A field instrument (10) includes an input circuit (26) having a transistor bridge rectifier (Q1, Q2, Q3, Q4) which is couplable to a power supply. The transistor bridge rectifier (Q1, Q2, Q3, Q4) is configured to provide power from the power supply to a remainder of the field instrument (10).

公开(公告)号：EP0870288B1

公开(公告)日：2003-05-02

申请号：EP97941662.5

申请日：1997-09-17

Applicant: ROSEMOUNT INC.

Inventor： ANDERSON, Stephen, D. ,  JOHNSON, Theodore, L. ,  JUNK, Brian, S. ,  ORMAN, Michael, A. ,  SCHNAARE, Theodore, H. ,  TETZLAFF, David, E.

IPC: G08C19/02 ,  H02M7/219

CPC classification number: H02M7/219 ,  G08C19/02 ,  Y10T307/858 ,  Y10T307/865

Abstract: A field instrument (10) includes an input circuit (26) having a transistor bridge rectifier (Q1, Q2, Q3, Q4) which is couplable to a power supply. The transistor bridge rectifier (Q1, Q2, Q3, Q4) is configured to provide power from the power supply to a remainder of the field instrument (10).