CA977295A - Elevator system - Google Patents
Elevator systemInfo
- Publication number
- CA977295A CA977295A CA209,125A CA209125A CA977295A CA 977295 A CA977295 A CA 977295A CA 209125 A CA209125 A CA 209125A CA 977295 A CA977295 A CA 977295A
- Authority
- CA
- Canada
- Prior art keywords
- elevator system
- elevator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00410155A US3856116A (en) | 1973-10-26 | 1973-10-26 | Elevator system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA977295A true CA977295A (en) | 1975-11-04 |
Family
ID=23623464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA209,125A Expired CA977295A (en) | 1973-10-26 | 1974-09-12 | Elevator system |
Country Status (2)
Country | Link |
---|---|
US (1) | US3856116A (en) |
CA (1) | CA977295A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4007811A (en) * | 1975-02-24 | 1977-02-15 | Mitsubishi Denki Kabushiki Kaisha | Control for elevator |
US5135081A (en) * | 1991-05-01 | 1992-08-04 | United States Elevator Corp. | Elevator position sensing system using coded vertical tape |
US5360085A (en) * | 1993-08-20 | 1994-11-01 | Otis Elevator Company | Elevator cab position sensing with reduced operating noise |
TW555681B (en) * | 2001-07-31 | 2003-10-01 | Inventio Ag | Lift installation with equipment for ascertaining the cage position |
EP3995426B1 (en) * | 2020-11-05 | 2024-02-14 | Otis Elevator Company | Elevator position reference systems and monitoring building settlement using an elevator position reference system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938603A (en) * | 1958-10-06 | 1960-05-31 | Robert F Loughridge | Elevator apparatus |
-
1973
- 1973-10-26 US US00410155A patent/US3856116A/en not_active Expired - Lifetime
-
1974
- 1974-09-12 CA CA209,125A patent/CA977295A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3856116A (en) | 1974-12-24 |
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