IT1303644B1 - DOOR PHONE-AUDIO-VIDEO EQUIPMENT WITH ELECTROMAGNETIC WAVES - Google Patents

DOOR PHONE-AUDIO-VIDEO EQUIPMENT WITH ELECTROMAGNETIC WAVES

Info

Publication number
IT1303644B1
IT1303644B1 ITMI982630A IT1303644B1 IT 1303644 B1 IT1303644 B1 IT 1303644B1 IT MI982630 A ITMI982630 A IT MI982630A IT 1303644 B1 IT1303644 B1 IT 1303644B1
Authority
IT
Italy
Prior art keywords
audio
electromagnetic waves
video equipment
door phone
phone
Prior art date
Application number
Other languages
Italian (it)
Inventor
Biagio Ombrini
Original Assignee
Biagio Ombrini
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 Biagio Ombrini filed Critical Biagio Ombrini
Priority to ITMI982630 priority Critical patent/IT1303644B1/en
Priority to PCT/IT1998/000380 priority patent/WO2000035180A1/en
Priority to AU17842/99A priority patent/AU1784299A/en
Publication of ITMI982630A1 publication Critical patent/ITMI982630A1/en
Application granted granted Critical
Publication of IT1303644B1 publication Critical patent/IT1303644B1/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
ITMI982630 1998-12-04 1998-12-04 DOOR PHONE-AUDIO-VIDEO EQUIPMENT WITH ELECTROMAGNETIC WAVES IT1303644B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITMI982630 IT1303644B1 (en) 1998-12-04 1998-12-04 DOOR PHONE-AUDIO-VIDEO EQUIPMENT WITH ELECTROMAGNETIC WAVES
PCT/IT1998/000380 WO2000035180A1 (en) 1998-12-04 1998-12-29 Electromagnetic-wave audio-video street door phone or interphone
AU17842/99A AU1784299A (en) 1998-12-04 1998-12-29 Electromagnetic-wave audio-video street door phone or interphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI982630 IT1303644B1 (en) 1998-12-04 1998-12-04 DOOR PHONE-AUDIO-VIDEO EQUIPMENT WITH ELECTROMAGNETIC WAVES

Publications (2)

Publication Number Publication Date
ITMI982630A1 ITMI982630A1 (en) 2000-06-05
IT1303644B1 true IT1303644B1 (en) 2001-02-21

Family

ID=11381188

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI982630 IT1303644B1 (en) 1998-12-04 1998-12-04 DOOR PHONE-AUDIO-VIDEO EQUIPMENT WITH ELECTROMAGNETIC WAVES

Country Status (3)

Country Link
AU (1) AU1784299A (en)
IT (1) IT1303644B1 (en)
WO (1) WO2000035180A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2151866B1 (en) * 1999-06-01 2001-07-16 Sanchez Fernando Rodriguez IMPROVEMENTS INTRODUCED IN AUDIO-VIDEO SYSTEMS FOR ACCESS CONTROL TO HOUSING AND SIMILAR.
ES2167232B1 (en) * 2000-05-03 2003-10-16 Gomez Guillermo Palomo DIGITAL WIRELESS TELEPHONE INTERFONIA NETWORK ADAPTER
FR2835140B1 (en) * 2002-01-22 2004-07-30 Atral BUILDING DOOR, LEARNING METHOD AND METHOD OF USE
US8154581B2 (en) 2002-10-15 2012-04-10 Revolutionary Concepts, Inc. Audio-video communication system for receiving person at entrance
EP1435723A1 (en) * 2003-01-03 2004-07-07 Urmet Domus S.p.A. Intercommunication device with door-opening action
DE102011102353A1 (en) * 2011-05-24 2012-11-29 S. Siedle & Söhne Telefon- und Telegrafenwerke OHG A method of exchanging signals between a home communication system and a communication device not belonging to the home communication system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5428388A (en) * 1992-06-15 1995-06-27 Richard von Bauer Video doorbell system
JPH07273843A (en) * 1994-03-25 1995-10-20 Nec Corp Incoming call notifying method and device of portable radio equipment
EP0789493A1 (en) * 1995-04-03 1997-08-13 Fernando Rodriguez Sanchez Audio-video system for controlling the access to houses and the like
JP3581430B2 (en) * 1995-05-18 2004-10-27 キヤノン株式会社 Wireless switching system, communication device, and communication method
DE29608874U1 (en) * 1996-05-17 1996-10-24 ABS Gesellschaft für Automatisierung, Bildverarbeitung und Software mbH, 07745 Jena Door intercom with user-friendly intercom
FR2753854B1 (en) * 1996-09-20 1998-10-30 WIRELESS ELECTRONIC DOOR
JPH10224465A (en) * 1997-02-07 1998-08-21 Sharp Corp Communication equipment

Also Published As

Publication number Publication date
WO2000035180A1 (en) 2000-06-15
AU1784299A (en) 2000-06-26
ITMI982630A1 (en) 2000-06-05

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