Title:
INTERCOM SYSTEM, INTERCOM MASTER UNIT AND COMMUNICATION METHOD
Document Type and Number:
Japanese Patent JP2017069631
Kind Code:
A
Abstract:
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: An intercom system 100 includes an electronic lock 300 of an entrance door 210, an entrance slave unit 400, an intercom master unit 500, and a wireless terminal 700. When detecting that a person has come to the entrance door 210, the entrance slave unit 400 transmits a visit notice to the intercom master unit 500. When the intercom master unit 500 receives the visit notice, transmits a visit terminal notification to the wireless terminal 700. When receiving the visit terminal notification, the wireless terminal 700 outputs information indicating that a person has come to the entrance door 210, and when an unlock instruction operation is performed in the wireless terminal 700, the wireless terminal 700 transmits an unlock terminal instruction to the intercom master unit 500. Then, when receiving the unlock terminal instruction, the intercom master unit 500 unlocks the electronic lock 300 on the condition that the above-mentioned visit notice has been received.SELECTED DRAWING: Figure 1
Inventors:
HAMAZAKI TOSHIYUKI
KOYAMA KAZUHIRO
KAMI KINSHI
MATSUO KOTARO
KOYAMA KAZUHIRO
KAMI KINSHI
MATSUO KOTARO
Application Number:
JP2015190059A
Publication Date:
April 06, 2017
Filing Date:
September 28, 2015
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
H04M9/00; H04M11/00
Domestic Patent References:
| JP2012029242A | 2012-02-09 | |||
| JP2003041821A | 2003-02-13 | |||
| JP2004179834A | 2004-06-24 |
Attorney, Agent or Firm:
Koichi Washida