Global Patent Index - EP 0722903 B1

EP 0722903 B1 2000-05-31 - Method and apparatus for generating shaft information of an elevator shaft

Title (en)

Method and apparatus for generating shaft information of an elevator shaft

Title (de)

Verfahren und Einrichtung zur Erzeugung von Schachtinformation eines Aufzugsschachtes

Title (fr)

Méthode et dispositif pour générer de l'information de cage d'une cage d'ascenseur

Publication

EP 0722903 B1 (DE)

Application

EP 96100090 A

Priority

CH 15395 A

Abstract (en)

[origin: EP0722903A1] The method provides information on an elevator hoistway (1) to control an elevator. An elevator car (6) is provided to be guided in the hoistway. A readable code (3) is arranged in the hoistway. The code is read as an image. At least one pattern in the image of the code is detected. The detected pattern is compared to a reference pattern. Hoistway information is generated from the detected pattern to control the elevator. The appts. includes at least one sensor (10) to read the code. It also includes at least one device to detect the pattern. At least one computing unit evaluates the hoistway information contained in the pattern. Preferably the pattern detected includes at least one light region and one dark region. A pattern repetition distance is then derived from the spacing between the middle of dark regions. The position of the elevator car (6) is read from the repetition distance.

IPC 1-7 (main, further and additional classification)

B66B 1/34

IPC 8 full level (invention and additional information)

B66B 3/02 (2006.01); B66B 1/34 (2006.01)

CPC (invention and additional information)

B66B 1/3492 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

EPO simple patent family

EP 0722903 A1 19960724; EP 0722903 B1 20000531; AT 193503 T 20000615; AU 4205996 A 19960801; AU 700778 B2 19990114; BR 9600159 A 19980106; CA 2165247 A1 19960721; CA 2165247 C 20060523; CN 1042020 C 19990210; CN 1137479 A 19961211; DE 59605329 D1 20000706; ES 2148595 T3 20001016; FI 112935 B 20040213; FI 960249 A0 19960118; FI 960249 A 19960721; HK 1012326 A1 20001103; JP 3888474 B2 20070307; JP H08225269 A 19960903; SG 54106 A1 19981116; US 5821477 A 19981013; ZA 9600443 B 19960808

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