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Title: US6538411: Deceleration control of a personal transporter
[ Derwent Title ]

Country: US United States of America

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26 pages

 
Inventor: Field, J. Douglas; Bedford, NH
Morrell, John B.; Manchester, NH

Assignee: Deka Products Limited Partnership, Manchester, NH
other patents from DEKA PRODUCTS LIMITED PARTNERSHIP (682759) (approx. 104)
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Published / Filed: 2003-03-25 / 2000-10-13

Application Number: US2000000687757
IPC Code: Advanced: A63C 17/12; B62K 3/00;
IPC-7: A63C 17/00; G05B 19/048;

ECLA Code: B62K3/00D; A63C17/12;

U.S. Class: 318/638; 318/139; 318/269; 318/273; 180/218;

Field of Search: 318/139,268-279,638 180/170,178,180,181,218,219,220

Priority Number:
2000-10-13  US2000000687757

Abstract:     A system and method for automatically decelerating a personal transporter of the kind that has a controller for controlling the motion of the transporter. Upon detection of a fault condition, a goal value of a control variable is set, the control variable is adjusted at a specified increment in the direction of the goal value, and the prior steps are repeated until the control variable equals the goal value.A method is also provided that affords a user accelerated access to operation of a balancing personal transporter. The method has the steps of first initializing a single-axis stabilizer, and, while initializing a 3-axis stabilizer, alerting the rider that the transporter is ready for use, allowing operation of the transporter, and then completing initialization of the 3-axis stabilizer, and employing the 3-axis stabilizer for control of the balancing personal transporter.

Attorney, Agent or Firm: Bromberg & Sunstein LLP ;

Primary / Asst. Examiners: Ro, Bentsu;

INPADOC Legal Status: Show legal status actions          Buy Now: Family Legal Status Report

Designated Country: AE AG AL AM AP AT AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EA EE EP ES FI GB GD GE GH GM HR HU ID IL IN 

Family: Show 348 known family members
First Claim:
Show all 4 claims		 What is claimed is:     1. A method for automatically stopping a balancing transporter having a controller for controlling the motion of the transporter based in part on transporter speed and being unstable in the fore-aft direction in the absence of motion control, the method comprising the steps of:
  • (a) detecting a fault condition;
  • (b) reducing the transporter speed at a specified increment toward zero while maintaining transporter balance; and
  • (c) repeating steps (a)-(b) until the transporter speed is zero.
    •


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Forward References: Show 18 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (18)   |   Backward references (103)   |   Citation Link

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    • Continuity Data:
    Application Number Filed Notes
    US2003000394860 2003-03-21  is a division of
    >US2000000687757<  2000-10-13   (granted)
         US6538411 issued 2003-03-25   Deceleration control of a personal transporter


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