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
Other languages
English (en)
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)
IN881CHN2014 2012-04-25 2012-04-25 IN2014CN00881A (ja)

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 (ja) 2015-04-03

Family

ID=49482123

Family Applications (1)

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

Country Status (7)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015161511A1 (en) * 2014-04-25 2015-10-29 Abb Technology Ltd Method and device of providing a mobile terminal with door entry system access service and door entry system
CN105517654B (zh) * 2014-04-25 2020-03-31 Abb瑞士股份有限公司 楼宇对讲系统的家庭户内系统、楼宇对讲系统和主室内机
KR101620540B1 (ko) * 2014-12-12 2016-05-24 주식회사 경동원 도어폰을 통하여 문열림이 가능한 2선식 비디오폰 시스템
CN104916023A (zh) * 2015-06-24 2015-09-16 无锡市崇安区科技创业服务中心 一种住宅单元门禁装置
JP6468503B2 (ja) * 2017-02-27 2019-02-13 パナソニックＩｐマネジメント株式会社 ロビーインターホン、ドアホンシステムおよび通信方法
JP6726902B2 (ja) * 2017-02-27 2020-07-22 パナソニックＩｐマネジメント株式会社 ドアホンシステムおよび通信方法
CN109698939A (zh) * 2018-12-24 2019-04-30 浙江大华技术股份有限公司 一种来访提示的方法和设备
CN113179381B (zh) * 2021-03-22 2022-11-11 北京金茂人居环境科技有限公司 一种通话方法及中继器
CN113301305B (zh) * 2021-05-21 2024-03-01 福州米立科技股份有限公司 新型低成本模数混合可视对讲多室内机系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI79769C (fi) * 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 (ru) * 2003-03-27 2005-07-27 Общество с ограниченной ответственностью "Электронгарантсервис" Домофон многофункциональный
US7764775B2 (en) 2005-03-30 2010-07-27 Onq/Legrand, Inc. Distributed intercom system
KR20060117603A (ko) * 2005-05-13 2006-11-17 티씨에스코리아 (주) 무선망을 이용한 방문자 관리 시스템
RU68734U1 (ru) * 2007-08-02 2007-11-27 Валерий Владимирович Самарин Видеодомофонная система управления доступом на охраняемый объект
CN201185459Y (zh) * 2008-04-16 2009-01-21 厦门市振威安全技术发展有限公司 一种新型的楼宇对讲门禁系统
US8311085B2 (en) * 2009-04-14 2012-11-13 Clear-Com Llc Digital intercom network over DC-powered microphone cable
CN201657232U (zh) * 2010-02-05 2010-11-24 佳乐电器(福建)有限公司 一种楼宇对讲系统

Also Published As

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

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