Title:
ELEVATOR CAR
Document Type and Number:
WIPO Patent Application WO/2020/240684
Kind Code:
A1
Abstract:
The purpose of the present invention is to allow a hard-of-hearing person to clearly hear the contents of a broadcast regardless of their position in an elevator car. To achieve this, this elevator car is characterized by comprising a first loop antenna that is disposed on one side of the elevator car and supplied with a first alternating current, a second loop antenna that is disposed on the side of the elevator car facing the one side and supplied with a second alternating current, and a car control device that receives audio data transmitted from an elevator control device and generates the first alternating current and the second alternating current corresponding to the audio data, wherein the first alternating current and the second alternating current are synchronized in frequency and phase.
More Like This:
| WO/2018/100610 | REMOTE RECOVERY SYSTEM FOR ELEVATOR FAILURES |
| WO/2010/150929 | DEVICE FOR DETECTING AND ALARMING ELEVATOR OPERATING FLOOR |
Inventors:
KOSEKO TATSURO (JP)
JIN YANMING (JP)
JIN YANMING (JP)
Application Number:
PCT/JP2019/021044
Publication Date:
December 03, 2020
Filing Date:
May 28, 2019
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B3/00; H04R27/00
Domestic Patent References:
| WO2006100815A1 | 2006-09-28 |
Foreign References:
| JP2003163999A | 2003-06-06 | |||
| JPS493182B1 | 1974-01-24 | |||
| JP2001223520A | 2001-08-17 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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