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 Title: |
US5682024:
Elevator position determination
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Koopman, Jr., Philip J.; Hebron, CT
Finn, Alan M.; Amston, CT
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| Assignee: |
Otis Elevator Company, Farmington, CT
other patents from OTIS ELEVATOR COMPANY (670697) (approx. 1,015)
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| Published / Filed: |
1997-10-28
/ 1995-07-31
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| Application Number: |
US1995000509622
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| IPC Code: |
Advanced:
B66B 1/50;
B66B 3/02;
Core:
B66B 1/46;
more...
IPC-7:
B66B 1/36;
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| ECLA Code: |
B66B1/50;
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| U.S. Class: |
Current:
187/394;
187/283;
Original:
187/394;
187/283;
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| Field of Search: |
187/391,394,393,283
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| Priority Number: |
| 1995-07-31 |
US1995000509622 |
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| Abstract: |
An elevator position determination system for determining the position of an elevator car disposed in the elevator hoistway includes a transceiver disposed on the elevator car for generating a query signal and a transponder disposed in the elevator hoistway for providing an identification signal in response to the query signal, wherein, the elevator position determination system determines the elevator car position in response to the identification signal.
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| Primary / Asst. Examiners: |
Nappi, Robert;
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Designated Country: |
DE FR GB
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| Family: |
Show 6 known family members
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First Claim:
Show all 26 claims |
What is claimed is:
1. An elevator position determination system for determining a position of an elevator car disposed in an elevator hoistway, said elevator position determination system comprising:
- a transceiver disposed on the elevator car, said transceiver generating a query signal; and
- a transponder disposed in the elevator hoistway, said transponder providing an identification signal in response to the query signal, said identification signal comprising a position indication value that is indicative of a position of said transponder in the elevator hoistway;
- wherein, said elevator position determination system determines the elevator car position in response to the identification signal.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 11 U.S. patent(s) that reference this one
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| Foreign References: |
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Publication |
Date |
IPC Code |
Assignee |
Title |
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JP06156910
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1994-06 |
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| Other Abstract Info: |
DERABS G97-110990
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| Other References: |
U.S. application No. 08/378,111, Kamani et al., filed Jan. 23, 1995.
U.S. application No. 08/292,645, Jamieson et al., filed Aug. 18, 1994.
Wireless Technology for Automobile Theft Prevention by H. Howe, Jr. Microwave Journal, Jan. 1994.
TIRIS-Texas Instrument Registration and Identification System, Applications of Radio Frequency Indentification by H. Massink, 1993.
TIRIS-A Vehicle Tracking System Using Passive Radio Transponders by Michael M. Ollivier.
Electronics changes cars from inside out, Automotive Electronics, Jan. 24, 1994 by Jonah McLeod.
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