Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TELEPHONE CALL SYSTEM FOR ELEVATOR
Document Type and Number:
Japanese Patent JP2007331876
Kind Code:
A
Abstract:

To provide a telephone call system for an elevator capable of recognizing situation ready for elevator service after recovery of control operation on an earthquake without inquiry to a monitoring center by a communication line.

The above problem can be accomplished by the telephone call system for the elevator provided with a seismometer operated when the earthquake with a predetermined seismic intensity or more occurs; an elevator control device for performing the control operation in an earthquake by an operation signal from the seismometer; an emergency call button and an interphone of a car; and a telephone call device for management of the monitoring center. In the telephone call system, the interphone in the car and the telephone call device for management of the monitoring center are connected to each other through the communication line. Informing means 6B, 9, 10 for informing a message that the elevator is ready for service when it is detected that any one of the emergency call button 4, an operation button 5 or a hall call button 8 is operated within a predetermined time after recovery of the control operation on the earthquake are provided.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
NOMURA KOJI
HATAKEYAMA TOSHIHIKO
Application Number:
JP2006164723A
Publication Date:
December 27, 2007
Filing Date:
June 14, 2006
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI BUILDING SYS CO LTD
International Classes:
B66B5/02; B66B3/00
Domestic Patent References:
JPH0859112A1996-03-05
JPS5648380A1981-05-01
JP2003073046A2003-03-12
JPS5730267U1982-02-17
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office