(19)
(11) EP 2 348 629 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.09.2011 Bulletin 2011/36

(43) Date of publication A2:
27.07.2011 Bulletin 2011/30

(21) Application number: 11159848.8

(22) Date of filing: 15.05.2003
(51) International Patent Classification (IPC): 
H02P 5/00(2006.01)
B66B 7/06(2006.01)
 B66B 1/34(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

(62) Application number of the earlier application in accordance with Art. 76 EPC:
03738915.2 / 1631517

(71) Applicant: Otis Elevator Company
Farmington, CT 06032-2568 (US)

(72) Inventors:
  • Finn, Alan
    Hebron, CT 06248 (US)
  • Oh, Jae-Hyuk
    Tolland, CT 06108 (US)
  • Peng, Pei-Yuan
    Ellington, CT 06029 (US)
  • Pietrzykowski, Chris
    Unionville, CT 06085 (US)

(74) Representative: Ramsay, Laura Anne 
Dehns 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) Absolute position reference system


(57) A position reference system for use with a conveyance, such as an elevator (12). The system includes a code affixed to or embedded within a suspension device or primary motion coupling such as a rope or coated steel belt (16). A reader (28) in a fixed location determines the position of the conveyance.







Search report