EP 1539630 A4 20090225 - ELEVATOR EMPLOYING RADIO FREQUENCY IDENTIFICATION DEVICES (RFIDS)
Title (en)
ELEVATOR EMPLOYING RADIO FREQUENCY IDENTIFICATION DEVICES (RFIDS)
Title (de)
HOCHFREQUENZIDENTIFIKATIONSVORRICHTUNGEN (RFIDS) EINSETZENDER AUFZUG
Title (fr)
ASCENSEUR UTILISANT DES DISPOSITIFS D'IDENTIFICATION PAR RADIOFREQUENCE
Publication
Application
Priority
US 0224357 W 20020801
Abstract (en)
[origin: WO2004013030A1] An elevator safety chain includes a plurality of passive radio frequency identification devices (RFIDs) (15-18, 22, 34-36 and 63), which are associated, respectively, with hoistway door locks, upper hoistway limits, lower hoistway limits, overspeed detection, car door lock, emergency stop switch, and inspection switch. RFIDs may be associated with car call buttons (34) and/or hall call buttons (14, 19). The RFIDs may have a switch (43, 44) in the frequency-determining circuitry (40, 41) which defeats the RFID's ability to respond, or a switch (48) which alters the responding frequency. The RFIDs may sense safe or unsafe conditions, or call requests, by either the presence of absence, or vice versa, of adjacent magnetic reluctance (51, 62, 71).
IPC 1-7
IPC 8 full level
B66B 1/34 (2006.01); B66B 3/00 (2006.01); B66B 5/00 (2006.01); B66B 13/00 (2006.01); B66B 13/22 (2006.01); B66B 13/24 (2006.01)
CPC (source: EP)
B66B 1/34 (2013.01); B66B 1/3415 (2013.01); B66B 1/3453 (2013.01); B66B 13/22 (2013.01)
Citation (search report)
- [XAY] WO 0212109 A1 20020214 - INVENTIO AG [CH], et al
- [Y] EP 1103510 A2 20010530 - HITACHI LTD [JP]
- See references of WO 2004013030A1
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
WO 2004013030 A1 20040212; AU 2002326490 A1 20040223; BR 0215827 A 20050607; BR 0215827 B1 20110222; CN 100519390 C 20090729; CN 1642840 A 20050720; DE 60239427 D1 20110421; EP 1539630 A1 20050615; EP 1539630 A4 20090225; EP 1539630 B1 20110309; ES 2359630 T3 20110525; HK 1077798 A1 20060224; JP 2005534591 A 20051117; JP 4205057 B2 20090107
DOCDB simple family (application)
US 0224357 W 20020801; AU 2002326490 A 20020801; BR 0215827 A 20020801; CN 02829402 A 20020801; DE 60239427 T 20020801; EP 02761210 A 20020801; ES 02761210 T 20020801; HK 05109801 A 20051103; JP 2004525926 A 20020801