Title (en)

Elevator car position detecting device.

Title (de)

Vorrichtung zur Ermittlung der Position einer Aufzug-Fahrkabine.

Title (fr)

Dispositif indicateur de position d'une cabine d'ascenseur.

Publication

EP 0471348 A1 19920219 (EN)

Application

EP 91113594 A 19910813

Priority

JP 21470390 A 19900814

Abstract (en)

A position sensing device is maintained during a power interruption by powering the position sensing circuitry by means of an energy storage device during a slowdown to a stop position. The information is stored in a nonvolatile memory. <IMAGE>

IPC 1-7

B66B 1/34; B66B 5/02

IPC 8 full level

B66B 1/30 (2006.01); B66B 1/34 (2006.01); B66B 1/52 (2006.01); B66B 3/02 (2006.01); B66B 5/02 (2006.01)

CPC (source: EP)

B66B 1/3492 (2013.01); B66B 5/02 (2013.01)

Citation (search report)

• [Y] US 4124103 A 19781107 - OTTO PAUL R, et al
• [Y] GB 2111251 A 19830629 - MITSUBISHI ELECTRIC CORP
• [A] US 4142609 A 19790306 - TACHINO KENZO
• [A] GB 2174217 A 19861029 - OTIS ELEVATOR CO
• [A] GB 2063522 A 19810603 - HITACHI LTD
• [A] US 4754851 A 19880705 - SUZUKI SHIGEHIKO [JP]
• [A] FR 2586311 A1 19870220 - BOSCH GMBH ROBERT [DE]
• [A] WO 8809584 A1 19881201 - OTIS ELEVATOR CO [US]

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0471348 A1 19920219; JP H04101978 A 19920403

DOCDB simple family (application)

EP 91113594 A 19910813; JP 21470390 A 19900814