INTERCOM SYSTEM, INTERCOM MASTER UNIT AND COMMUNICATION METHOD

Japanese Patent JP2017069633

A

PROBLEM TO BE SOLVED: To provide an intercom system capable of performing an unlock operation of an entrance door from a communication terminal while securing higher safety.SOLUTION: In an intercom system 100, when detecting that a person has come to an entrance door 210, an entrance slave unit 400 transmits a visit notice to an intercom master unit 500. When receiving the visit notice, the intercom master unit 500 transmits a visit terminal notification to a wireless terminal 700, and when receiving a call start instruction from the wireless terminal 700, the intercom master unit 500 starts relay of communications between the entrance slave unit 400 and the wireless terminal 700. The wireless terminal 700 outputs information when receiving the visit terminal notification, transmits a call start instruction to the intercom master unit 500 when a response operation is performed, and transmits an unlock terminal instruction to the intercom master unit 500 when the unlock instruction operation is performed. When receiving the unlock terminal instruction, the intercom master unit 500 causes the electronic lock 300 of the entrance door 210 to perform an unlock operation under the condition that the above-described relay of the call is started.SELECTED DRAWING: Figure 1

HAMAZAKI TOSHIYUKI
KOYAMA KAZUHIRO
KAMI KINSHI
MATSUO KOTARO

JP2015190066A

April 06, 2017

September 28, 2015

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PANASONIC IP MAN CORP

H04M9/00; H04M1/00; H04M11/00; H04Q9/00

JP2012029242A	2012-02-09
JP2010154247A	2010-07-08
JP2003041821A	2003-02-13

アイホン株式会社, お手持ちのスマートフォンやタブレット端末で来客対応ができるスマートフォン連動テレビドアホン「ＲＯＣＯ, JPN6017031972, 10 April 2015 (2015-04-10), ISSN: 0003625201

Koichi Washida

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