GB2553153B - Improved door entry intercom - Google Patents
Improved door entry intercom Download PDFInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
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)
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 |
-
2016
- 2016-08-18 GB GBGB1614307.5A patent/GB201614307D0/en not_active Ceased
- 2016-09-13 GB GB1615577.2A patent/GB2553153B/en active Active
Patent Citations (11)
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 |
---|---|
GB201615577D0 (en) | 2016-10-26 |
GB2553153A (en) | 2018-02-28 |
GB201614307D0 (en) | 2016-10-05 |
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