Title:
無線呼出ボタン対応機能を備える集合廊下灯
Document Type and Number:
Japanese Patent JP6801588
Kind Code:
B2
Abstract:
To achieve speech communication between an intercom slave unit that is stored in a collective corridor lamp and does not have a radio signal receiver and an intercom master unit by depressing a radio calling button concerning an intercom system to be coordinated with the collective corridor lamp.SOLUTION: A collective corridor lamp having a radio signal reception function is connected by insertion in all of or an arbitrary one of communication lines connecting an intercom master unit to intercom slave units. The collective corridor lamp stores each radio calling button and an arbitrary intercom slave unit by correspondence, and transmits a signal equivalent to a master unit calling signal to be transmitted by the intercom slave unit to the intercom master unit. Thus, a speech communication state is obtained between the intercom slave unit and the intercom master unit.SELECTED DRAWING: Figure 1
Inventors:
Kazufumi Obuchi
Hirohisa Aoyagi
Hirohisa Aoyagi
Application Number:
JP2017107306A
Publication Date:
December 16, 2020
Filing Date:
May 31, 2017
Export Citation:
Assignee:
Nakayo Co., Ltd.
International Classes:
H04M9/00; A61G12/00
Domestic Patent References:
| JP2005101764A | ||||
| JP2003224667A | ||||
| JP2006279437A | ||||
| JP2005236437A | ||||
| JP2017103573A |
Foreign References:
| US20140343968 | ||||
| KR100762443B1 |