×

Control device for an automatic transmission

  • US 6,174,262 B1
  • Filed: 10/01/1999
  • Issued: 01/16/2001
  • Est. Priority Date: 10/09/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. A control device for an automatic transmission, said automatic transmission having at least a one-way clutch and achieving a down-shift by applying said one-way clutch, comprising:

  • a driving environment detector for detecting a driving environment of a vehicle including said automatic transmission;

    a low speed condition detector for detecting that the vehicle is approaching or entering into a place indicative of a down-shift of said automatic transmission; and

    prohibition means for prohibiting a down-shift caused by applying said one-way clutch when said low speed condition means detects that the down-shift is indicated.

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