Group control for elevators containing an apparatus for controlling the descent peak traffic
CA 1189990 A · Owner: Inventio Ag · Inventors: Schroder, Joris
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
INVENTOR: JORIS SCHR?DER, INVENTION: GROUP CONTROL FOR ELEVATORS CONTAINING AN APPARATUS FOR CONTROLLING THE DESCENT PEAK TRAFFIC ABSTRACT OF THE DISCLOSURE, By means of the group control the average time losses for the passengers resulting from the waiting period at the storeys and the return travel time are minimized. Therefore the number of entering stops causing a minimum of time losses is determined per elevator cabin on the basis of calculations. The number of entering stops is stored in monitoring or control counters by means of which the allocation of descent storey calls is limited to the number stored for each cabin. The descent storey calls are combined by means of a switching …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.