The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2020
Filed:
Mar. 22, 2017
Aiphone Co., Ltd., Nagoya-shi, Aichi, JP;
AIPHONE CO., LTD., Nagoya-Shi, Aichi, JP;
Abstract
The intercommunication system according to the invention is an intercommunication system used in an apartment complex comprising plural residential buildings. Each of the plural residential buildings is equipped with room parent devices installed in respective rooms; a collective entrance device which enables a call manipulation for calling one of the room parent devices; and a building control unit which connects, by an intercom line, the collective entrance device and the room parent devices of the respective rooms of the residential building. The collective entrance device has a storage unit which is stored with terminal information of the collective entrance device. The building control units of the plural respective residential buildings are connected to each other by a network in which a communication is performed according to a general-purpose protocol and can communicate, over the network, with an external apparatus that is connected to an external network.