×

Power window control device

  • US 5,734,245 A
  • Filed: 12/11/1995
  • Issued: 03/31/1998
  • Est. Priority Date: 12/13/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A power window control device having a window glass driving unit driven by an electric power source for opening and closing a window glass, said power window control device comprising:

  • a switching element, connected between said electric power source and said window glass driving unit;

    a first means for controlling said switch element to supply said window glass driving unit with modulated driving current, thereby controlling window-closing-speed of said window glass driving unit;

    a current sensor for detecting current supplied to said window glass driving unit;

    a position sensor for detecting operating position of said window glass driving unit which corresponds to position of the window glass;

    second means for setting maximum driving current with respect to window glass position according to the current detected by said current supply sensor and the operating position of said window glass driving unit detected by said position sensor; and

    third means, connected to said current sensor, for controlling said modulated driving current not to exceed said maximum driving current.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×