FI904941L
Expired / Lapsed
FI
⏱️ 0.0 years remaining
FOERFARANDE FOER EFFECTIVERING AV STYRNING AV HISSDOERRAR.
Assignee: Kone Oy
•
Filing: 1990-10-08
•
Granted: —
•
Expires: 2010-10-08
Abstract
Abstract A process for controlling lift doors more effectively, in which process the passengers in the lift cage are monitored with one or more sensors 2, at least in a control region 3 close to the lift doors 1. By means of the output signals of the sensors, an estimate is made of the number of passengers leaving, which information is used in controlling the lift doors. <IMAGE>
Inventors
- 👤 Ralf Ekholm
Bibliographic Details
Application Number
—
Jurisdiction
FI
Data Source
google_patents
Last Synchronized
2026-11-07 21:38
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.