GB2553153B - Improved door entry intercom - Google Patents

Improved door entry intercom Download PDF

Info

Publication number
GB2553153B
GB2553153B GB1615577.2A GB201615577A GB2553153B GB 2553153 B GB2553153 B GB 2553153B GB 201615577 A GB201615577 A GB 201615577A GB 2553153 B GB2553153 B GB 2553153B
Authority
GB
United Kingdom
Prior art keywords
improved door
door entry
intercom
entry intercom
improved
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB1615577.2A
Other versions
GB2553153A (en
GB201615577D0 (en
Inventor
Michael Matthew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB201615577D0 publication Critical patent/GB201615577D0/en
Publication of GB2553153A publication Critical patent/GB2553153A/en
Application granted granted Critical
Publication of GB2553153B publication Critical patent/GB2553153B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
GB1615577.2A 2016-08-18 2016-09-13 Improved door entry intercom Active GB2553153B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1614307.5A GB201614307D0 (en) 2016-08-18 2016-08-18 Improved door entry intercom

Publications (3)

Publication Number Publication Date
GB201615577D0 GB201615577D0 (en) 2016-10-26
GB2553153A GB2553153A (en) 2018-02-28
GB2553153B true GB2553153B (en) 2023-04-12

Family

ID=57045566

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1614307.5A Ceased GB201614307D0 (en) 2016-08-18 2016-08-18 Improved door entry intercom
GB1615577.2A Active GB2553153B (en) 2016-08-18 2016-09-13 Improved door entry intercom

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1614307.5A Ceased GB201614307D0 (en) 2016-08-18 2016-08-18 Improved door entry intercom

Country Status (1)

Country Link
GB (2) GB201614307D0 (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506252A (en) * 1981-05-05 1985-03-19 Sperry Corporation Ternary data encoding system
US5734682A (en) * 1993-03-02 1998-03-31 Lukac-Kuruc; Eric Method for increasing transmission rate
US5911119A (en) * 1993-03-22 1999-06-08 Phonex Corporation Secure cordless telephone extension system and method
JP2000013517A (en) * 1998-06-18 2000-01-14 Hitachi Building Systems Co Ltd Entrance door opening/closing controller for multiple dwelling house
EP1379067A1 (en) * 2002-07-05 2004-01-07 Aiphone Co., Ltd. Door station apparatus with electric lock
KR20050022880A (en) * 2003-08-27 2005-03-08 김희석 System and method for preventing crimes by telephone line and electric power line
US20090092236A1 (en) * 2007-10-08 2009-04-09 Jeffrey Vaughn Wilson System and method for integrated intercom and distributed audio/video system with security interface
JP2009141850A (en) * 2007-12-10 2009-06-25 Nishi Dentsu:Kk Security system for multiple dwelling building
CN103442153A (en) * 2013-09-17 2013-12-11 黎辉 Indoor audio calling system using power line
US20150009283A1 (en) * 2013-07-08 2015-01-08 Fermax Design & Development, S.L.U. Two-wire multichannel video door system
US20160381321A1 (en) * 2015-06-24 2016-12-29 Fermax Design & Development, S.L.U. Multi-channel video intercom systems with access to advanced digital services

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506252A (en) * 1981-05-05 1985-03-19 Sperry Corporation Ternary data encoding system
US5734682A (en) * 1993-03-02 1998-03-31 Lukac-Kuruc; Eric Method for increasing transmission rate
US5911119A (en) * 1993-03-22 1999-06-08 Phonex Corporation Secure cordless telephone extension system and method
JP2000013517A (en) * 1998-06-18 2000-01-14 Hitachi Building Systems Co Ltd Entrance door opening/closing controller for multiple dwelling house
EP1379067A1 (en) * 2002-07-05 2004-01-07 Aiphone Co., Ltd. Door station apparatus with electric lock
KR20050022880A (en) * 2003-08-27 2005-03-08 김희석 System and method for preventing crimes by telephone line and electric power line
US20090092236A1 (en) * 2007-10-08 2009-04-09 Jeffrey Vaughn Wilson System and method for integrated intercom and distributed audio/video system with security interface
JP2009141850A (en) * 2007-12-10 2009-06-25 Nishi Dentsu:Kk Security system for multiple dwelling building
US20150009283A1 (en) * 2013-07-08 2015-01-08 Fermax Design & Development, S.L.U. Two-wire multichannel video door system
CN103442153A (en) * 2013-09-17 2013-12-11 黎辉 Indoor audio calling system using power line
US20160381321A1 (en) * 2015-06-24 2016-12-29 Fermax Design & Development, S.L.U. Multi-channel video intercom systems with access to advanced digital services

Also Published As

Publication number Publication date
GB2553153A (en) 2018-02-28
GB201615577D0 (en) 2016-10-26
GB201614307D0 (en) 2016-10-05

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