The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 2009
Filed:
Jun. 23, 2003
Mary Ann T. Valk, Glastonbury, CT (US);
David J. Sirag, Ellington, CT (US);
Mary Ann T. Valk, Glastonbury, CT (US);
David J. Sirag, Ellington, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
A perceived waiting time for a hall call to be answered by a car is determined as a constant times the square () of the summation () of remaining response time () and the amount of time that has expired since the call was registered (). The time that may be perceived by a passenger to travel to the passenger's destination is determined as a constant times the square () of the distance between an estimated destination floor and the floor of the call and a constant times an estimated number of new hall stops and committed hall stops that each car will make (). Perceived service time is () the sum of perceived wait time and perceived travel time. Constants are adjusted so that a long waiting time will yield a quick travel time. Assignment of calls to cars () is in accordance () with the smallest summation of square () of perceived service times for all waiting up calls and down calls.