FR666674A - Elevator improvements - Google Patents
Elevator improvementsInfo
- Publication number
- FR666674A FR666674A FR666674DA FR666674A FR 666674 A FR666674 A FR 666674A FR 666674D A FR666674D A FR 666674DA FR 666674 A FR666674 A FR 666674A
- Authority
- FR
- France
- Prior art keywords
- elevator
- elevator improvements
- 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
- B66B1/52—Floor selectors
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US666674XA | 1927-09-28 | 1927-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR666674A true FR666674A (en) | 1929-10-04 |
Family
ID=22070930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR666674D Expired FR666674A (en) | 1927-09-28 | 1928-09-27 | Elevator improvements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR666674A (en) |
-
1928
- 1928-09-27 FR FR666674D patent/FR666674A/en not_active Expired
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