IN2014CN00881A - - Google Patents

Info

Publication number
IN2014CN00881A
IN2014CN00881A IN881CHN2014A IN2014CN00881A IN 2014CN00881 A IN2014CN00881 A IN 2014CN00881A IN 881CHN2014 A IN881CHN2014 A IN 881CHN2014A IN 2014CN00881 A IN2014CN00881 A IN 2014CN00881A
Authority
IN
India
Prior art keywords
video signals
receive
desired indoor
call request
audio
Prior art date
Application number
Inventor
Dalin Zhou
Jinshu Chen
Xiaoping Zhou
Yangpeng Zhang
Original Assignee
Abb Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abb Technology Ltd filed Critical Abb Technology Ltd
Publication of IN2014CN00881A publication Critical patent/IN2014CN00881A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/025—Door telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • H04N7/186—Video door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present invention discloses a dual channel analog door entry system and a method thereof. The dual channel analog door entry system comprises two cables connected between the building gateway and the floor distributors configured to transmit audio and/or video signals between the outdoor stations and indoor phones; the building gateway configured to receive a call request from at least one of the outdoor stations identify and assign an available cable as an intercom channel send the call request to each of the floor distributors via the intercom channel and switch the audio and/or video signals from the outdoor station to the available cable; at least one of floor distributors configured to receive and forward the call request to a desired indoor phone receive a call response from the desired indoor phone if the desired indoor phone is available and switch the audio and/or video signals from the available cable to the desired indoor phone. The solutions of the present invention achieves great improvement on line busy probability for large buildings and communities; and the solution is smart and simple to implement with low additional cost for reconstruction.
IN881CHN2014 2012-04-25 2012-04-25 IN2014CN00881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/074668 WO2013159292A1 (en) 2012-04-25 2012-04-25 A dual-channel analog door entry system and a method thereof

Publications (1)

Publication Number Publication Date
IN2014CN00881A true IN2014CN00881A (en) 2015-04-03

Family

ID=49482123

Family Applications (1)

Application Number Title Priority Date Filing Date
IN881CHN2014 IN2014CN00881A (en) 2012-04-25 2012-04-25

Country Status (7)

Country Link
US (1) US9042533B2 (en)
EP (1) EP2745532A4 (en)
CN (1) CN103797813A (en)
AU (1) AU2012378085B2 (en)
IN (1) IN2014CN00881A (en)
RU (1) RU2565032C1 (en)
WO (1) WO2013159292A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105517654B (en) * 2014-04-25 2020-03-31 Abb瑞士股份有限公司 Household indoor system of building intercom system, building intercom system and main indoor unit
CN105122832A (en) * 2014-04-25 2015-12-02 Abb技术有限公司 Method and device of providing a mobile terminal with door entry system access service and door entry system
KR101620540B1 (en) * 2014-12-12 2016-05-24 주식회사 경동원 Two-line videophone system using door unlocking by door phone
CN104916023A (en) * 2015-06-24 2015-09-16 无锡市崇安区科技创业服务中心 Housing unit access control device
JP6726902B2 (en) * 2017-02-27 2020-07-22 パナソニックＩｐマネジメント株式会社 Doorphone system and communication method
JP6468503B2 (en) * 2017-02-27 2019-02-13 パナソニックＩｐマネジメント株式会社 Lobby intercom, door phone system and communication method
CN109698939A (en) * 2018-12-24 2019-04-30 浙江大华技术股份有限公司 A kind of method and apparatus of visiting prompt
CN113179381B (en) * 2021-03-22 2022-11-11 北京金茂人居环境科技有限公司 Call method and repeater
CN113301305B (en) * 2021-05-21 2024-03-01 福州米立科技股份有限公司 Novel low-cost analog-digital mixed visual intercom multi-indoor-unit system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI79769C (en) * 1988-06-10 1991-01-14 Heikki Malkki SNABBTELEFONSYSTEM SAMT FOERFARANDE FOER UPPKOPPLING I ETT SNABBTELEFONSYSTEM.
US5960066A (en) * 1996-11-07 1999-09-28 Lucent Technologies, Inc. Method and apparatus for using telephone house wiring for voice/data network
RU2257682C2 (en) * 2003-03-27 2005-07-27 Общество с ограниченной ответственностью "Электронгарантсервис" Multi-functional door buzzer device
US7764775B2 (en) 2005-03-30 2010-07-27 Onq/Legrand, Inc. Distributed intercom system
KR20060117603A (en) * 2005-05-13 2006-11-17 티씨에스코리아 (주) Visitor management system using wireless network
RU68734U1 (en) * 2007-08-02 2007-11-27 Валерий Владимирович Самарин VIDEO DOMOON PHONE ACCESS MANAGEMENT SYSTEM FOR A SECURED OBJECT
CN201185459Y (en) * 2008-04-16 2009-01-21 厦门市振威安全技术发展有限公司 Novel building intercommunication gate inhibition system
US8311085B2 (en) * 2009-04-14 2012-11-13 Clear-Com Llc Digital intercom network over DC-powered microphone cable
CN201657232U (en) * 2010-02-05 2010-11-24 佳乐电器(福建)有限公司 Building intercommunication system

Also Published As

Publication number Publication date
US9042533B2 (en) 2015-05-26
CN103797813A (en) 2014-05-14
EP2745532A1 (en) 2014-06-25
AU2012378085A1 (en) 2014-02-27
WO2013159292A1 (en) 2013-10-31
AU2012378085B2 (en) 2015-09-03
RU2565032C1 (en) 2015-10-10
US20140241516A1 (en) 2014-08-28
EP2745532A4 (en) 2015-04-01

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