B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 3/02 (2006.01) B66B 1/34 (2006.01) G01B 21/00 (2006.01)
Patent
CA 2515630
The invention relates to an elevator installation (10) with at least one car (1) and at least one device (8) for determining a position of the car and to a method of operating such an elevator installation (10). The device (8) has a codemark pattern (80) and a sensor device (81). The codemark pattern (80) is arranged along the length of travel of the car (1) and consists of a multiplicity of codemarks (83). The sensor device (81) is mounted on the car (1) and by means of sensors (85, 85') touchlessly scans the codemarks (83). The codemarks (83) are arranged in a single line and the sensor device (81) comprises at least two sensor groups (87, 88) which are separated from each other perpendicular to the line of the codemarks (83), which makes reading the codemarks (83) possible even if there are lateral displacements between the sensor device (81) and the line of the codemarks (83).
Ag Inventio
Riches Mckenzie & Herbert Llp
LandOfFree
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