MULTI-FUNCTIONAL DOOR BUZZER DEVICE Russian patent published in 2005 - IPC

Abstract RU 2257682 C2

FIELD: secure locking equipment for doors of multi-flat houses.

SUBSTANCE: device is an element of integrated multi-functional control system within intellectual building concept.

EFFECT: higher reliability, broader functional capabilities, simplified construction, higher durability.

17 cl, 2 dwg

Title	Year	Author	Number
MULTIFUNCTIONAL DOMESTIC ANNUNCIATOR	2002	Likhachev V.E.	RU2205520C1
MULTIFUNCTION DOOR INTERCOMMUNICATION SYSTEM	2001	Likhachev V.E.	RU2185037C1
INTEGRATED MULTI-FUNCTIONAL CONTROLLING AND MONITORING SYSTEM	2004	Dunaev Aleksandr Anatol'Evich Imambaev Nikolaj Aleksandrovich Likhachev Vladimir Evgrafovich	RU2281614C1
MULTIFUNCTIONAL INTERCOM	2001	Likhachev V.E.	RU2195786C1
DISTRIBUTED INTEGRATED MULTI-FUNCTIONAL SYSTEM FOR CONTROLLING AND MONITORING A COMPLEX OF BUILDINGS	2004	Dunaev Aleksandr Anatol'Evich Imambaev Nikolaj Aleksandrovich Likhachev Vladimir Evgrafovich	RU2282229C1
UNIVERSAL SAFETY AND COMMUNICATION SYSTEM	2018	Tsoj Grigorij Nikolaevich Kudrin Gennadij Nikolaevich	RU2686077C1
ILLUMINATION CONTROL DEVICE	2008	Maljutin Nikola Vasil'Evich Bulkin Jurij Leonidovich Tkachev Sergej Anatol'Evich	RU2394401C1
INTERCOM	1998	Neeshpapa A.V. Vishnjakov A.V.	RU2160968C2
DEVICE FOR TRANSMITTING VOICE INFORMATION OVER DOOR COMMUNICATION NETWORKS	2014	Sokolov Aleksandr Aleksandrovich Petrovich Andrej Olegovich	RU2592079C2
METHOD AND SYSTEM FOR PROVIDING VIDEO INTERCOM BROADCASTING OF AN IMAGE FROM SURVEILLANCE CAMERAS BASED ON A STANDARD INTERCOM SYSTEM	2018	Neshumov Armen Grigorevich	RU2689275C1

Authors

Dunaev A.A.

Likhachev V.E.

Dates

2005-07-27—Published

2003-03-27—Filed