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WO2003096696A1 - Poste d'intercommunication video portable - Google Patents

Poste d'intercommunication video portable Download PDF

Info

Publication number
WO2003096696A1
WO2003096696A1 PCT/IT2003/000268 IT0300268W WO03096696A1 WO 2003096696 A1 WO2003096696 A1 WO 2003096696A1 IT 0300268 W IT0300268 W IT 0300268W WO 03096696 A1 WO03096696 A1 WO 03096696A1
Authority
WO
WIPO (PCT)
Prior art keywords
cordless
videointercom
portable unit
entryphone
video
Prior art date
Application number
PCT/IT2003/000268
Other languages
English (en)
Inventor
Carlo Castaldo
Original Assignee
Castaldo - Elettronica & Telecomunicazioni
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
Priority claimed from IT2002RM000256A external-priority patent/ITRM20020256A1/it
Priority claimed from IT000067A external-priority patent/ITNA20020067A1/it
Application filed by Castaldo - Elettronica & Telecomunicazioni filed Critical Castaldo - Elettronica & Telecomunicazioni
Priority to AU2003230229A priority Critical patent/AU2003230229A1/en
Priority to EP03723086A priority patent/EP1502438A1/fr
Publication of WO2003096696A1 publication Critical patent/WO2003096696A1/fr

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

Definitions

  • This invention refers to applications basically of a civil kind in the imaging field for video entryphones, but its application could be extended to the industrial field as required.
  • entryphone or video entryphone systems which are fixed firmly on the wall or elsewhere and therefore they cannot be moved. These systems allow the users to see and hear only from previously determined place, thus obliging them to go to the video entryphone emplacement in order to communicate with the other person, who thus realizes if the person inside the house is looking or listening.
  • This invention consists of a portable video entryphone, that is a cordless telephone, that integrally fulfils all the functions of a house wireless mobile telephone.
  • the basic idea of the invention is to transmit the video information coming from the telecamera of an external video entryphone to the portable unit (hand-held telephone).
  • the video information representing the external image is displayed on the portable unit by means of a small colour monitor (display).
  • Further advantages are: a) to see the image of the person calling before answering; b) to be able to answer the cordless video entryphone when you are far away from the fixed video entryphone emplacement, for inst. in the garden, on the terrace, in the swimming pool etc.; c) to be able to operate the mechanisms of the door, the automatic gate, the stair lights etc. by pushing the right keys on the portable unit.
  • the invention helps to solve many difficult situations for old or physically disabled people.
  • EXTERNAL PLACE (Fig. 1). It comprises: a video camera device 1 to produce the video information that represents the image of the external user connected through a cable 17 to the video terminal 7;
  • an audio transducer for the external/internal communication through a microphone circuit 10, connected and wired 17 to the loudspeaker 18 of the entryphone interface 4 and from inside 19 towards outside, through an analogous connection 17, that operates the circuit of the loudspeaker 11 for the outside listener; a button 20, that generates the audible signal of the entryphone call 21, connected through a cable 17 to the interface 4 of the module.
  • BASE STATION (Fig.2). It consists of a phone circuit 22, an audio circuit 23-24, a radio circuit 25-27 and the CPU
  • Modules to be integrated a) "Entryphone interface” module 4: it carries out the coupling between the call signal 21 and the vocal signals 18-19, creating a phonic communication 30 with the base circuit of the cordless phone 5; b) "Opening circuit” module 16: it receives the commands sent by the user from the portable unit 8. These commands can enable other modules to operate the automatic mechanisms , such as the automatic opening of a gate, the turning on of lights etc.; c) "Video circuit” module 2: it receives the video information coming from the telecamera 1 through the apposite cable 17, reaching the connection 7. The video signal is processed 2, so that it can be sent to the next module 3, which carries out the transmission of the video signal, thus creating the third radio channel of communication 9 (Channel C) of a visual kind.
  • “Entryphone interface” module 4 it carries out the coupling between the call signal 21 and the vocal signals 18-19, creating a phonic communication 30 with the base circuit of the cordless phone 5
  • “Opening circuit” module 16 it receives
  • the audio compressor/expander 23-24 carries out the reduction (or expansion) of the dynamics of the vocal signal coming from the telephone line, the entryphone or the portable unit without altering its "reconstruction"; this makes its transmission from the radio module easier and, at the same time, it increases the relationship between the signal and the noise.
  • Radio circuit 25-26-27-28 It consists of a receiver and a transmitter working simultaneously.
  • the transmitter circuit 25 captures the phonic signal coming from the telephone or the entryphone line and by means of a first radio channel (Channel A) transmits it to the receiver 33 of the portable unit 8, thus allowing listening 34 thanks to the amplifying circuit 32.
  • the receiver circuit 27 processes the vocal signal coming from the microphone 35 of the portable unit and sends it to the audio receiving circuit 24 of the base unit by means of a second radio channel 26 (Channel B).
  • This module is the control unit of the system. It processes the input signals and produces the output signals (data and commands) fromto the portable unit and the base unit. In particular: a) it generates the signals of busy line; b) it generates the signals of numerical selection (Decadic or DTMF); c) it selects the radio channel through the PLL control 28 and the identification of the portable unit in order to avoid superimpositions of signals between sets operating at a short distance and to guarantee privacy of communication; d) it processes the commands given through the keyboard of the portable unit; e) it generates the commands to be sent to the circuits controlling the automatic opening of a gate or the turning on of lights.
  • Video circuit 2 It finds and processes the video information coming from the external telecamera and sends it to the video transmitter 3, which creates a third radio channel (Channel C), used for the transmission of this video signal, suitably modulated and sends it to the micro- receiver 37 of the portable unit 8.
  • Channel C a third radio channel
  • Video microreceiver 37 PORTABLE UNTT (Fig.3).
  • Some components of the portable unit 8 are similar and functionally symmetrical with respect to the base unit 5, like:
  • compressor / expander 23 - 24 Similar to the above described (page 3) compressor / expander 23 - 24: Here, it carries out the reduction (or expansion) of the dynamics of the vocal signal coming from the telephone line, entryphone or base unit, without altering its "reconstruction”; this makes its transmission from the radio module easier and, at the same time, it increases the relationship between the signal and the noise.
  • Radio circuit 33-36-41 It is similar to the transmitter circuit 25-26-27 a)
  • the receiver circuit 33 captures the phonic signal coming from the transmitter 25 of the base unit (transmission through the ether) and sends it to the amplifying receiving audio circuit 32 of the portable unit 8, allowing listening of a telephone or entry phone call thanks to the loudspeaker 34.
  • the transmitter circuit 36 transmits the vocal signal generated by the transducer 35 and processed by the audio circuit 31 to the receiver 27 of the base unit 5, thus allowing conversation both to the telephone and the entry phone line thanks to circuit 24.
  • the invention is, indeed, planned to be compatible with already installed systems in order to reduce the costs and the realization time of a device offering new functions.
  • the application of this device is particularly useful in the civil field, private houses and offices, where the presence of a pre-existing fixed entryphone or video entryphone system reduces time and costs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

Le principe de base de l'invention est de transmettre les informations vidéo provenant de la télécaméra (1) d'un téléphone d'entrée vidéo externe à l'unité portable (8). Un système d'entrée vidéo externe sans fil comprend un téléphone sans fil complet (5 et 8), qui remplit toutes les fonctions d'un téléphone mobile à usage interne. Il consiste en deux unités : une station de base (5) connectée physiquement à la ligne téléphonique (6) et une unité portable (8), le tout connecté par des signaux radio. Trois circuits sont intégrés dans l'unité de base : le premier traite les informations vidéo et les transmet par un circuit (3) à une unité portable (8), en utilisant un troisième canal radio (9), alors qu'un second circuit (4) du système de téléphone d'entrée, connecté au microphone (19) et au haut-parleur (18), permet la conversation par l'intermédiaire de l'unité portable entre l'extérieur et l'intérieur ou inversement ; le troisième circuit, exploité par l'unité portable, commande les mécanismes de la porte principale (13), la porte automatique (12), la lumière des escaliers (14) etc. Les informations vidéo représentant l'image externe sont affichées sur l'unité portable par un petit moniteur couleur (15), si bien qu'il est possible de voir la personne à l'extérieur avant de décider de lui répondre et, si nécessaire, d'actionner les mécanismes d'ouverture (16) à l'aide du clavier.
PCT/IT2003/000268 2002-05-09 2003-04-30 Poste d'intercommunication video portable WO2003096696A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003230229A AU2003230229A1 (en) 2002-05-09 2003-04-30 Portable videointercom set
EP03723086A EP1502438A1 (fr) 2002-05-09 2003-04-30 Poste d'intercommunication video portable

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITRM2002A000256 2002-05-09
IT2002RM000256A ITRM20020256A1 (it) 2002-05-09 2002-05-09 Tvvideocitofonico con cordless videocitofono.
IT000067A ITNA20020067A1 (it) 2002-11-21 2002-11-21 Cordless videocitofono
ITNA2002A000067 2002-11-21

Publications (1)

Publication Number Publication Date
WO2003096696A1 true WO2003096696A1 (fr) 2003-11-20

Family

ID=29422249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2003/000268 WO2003096696A1 (fr) 2002-05-09 2003-04-30 Poste d'intercommunication video portable

Country Status (3)

Country Link
EP (1) EP1502438A1 (fr)
AU (1) AU2003230229A1 (fr)
WO (1) WO2003096696A1 (fr)

Cited By (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2397726A (en) * 2003-01-06 2004-07-28 Vtech Telecomm Ltd Cordless telephone system with camera unit for monitoring
FR2864409A1 (fr) * 2003-12-23 2005-06-24 Radiotelephone Sfr Procede et terminaux communicants pour l'emission et la reception a distance de signaux de visiophonie et/ou d'interphonie
WO2005096524A1 (fr) * 2004-03-30 2005-10-13 Matsushita Electric Industrial Co., Ltd. Systeme de communication radio et systeme de portier phonique l'utilisant
FR2871643A1 (fr) * 2004-06-15 2005-12-16 Daniel Pierre Marie Benoit Dispositif combinant l'utilisation de technologies de transmission de donnees a distance, avec un appareillage connu de type parlophone, videophone ou visiophone
WO2006067782A1 (fr) * 2004-12-23 2006-06-29 Vascode Technologies Ltd. Procede et dispositif s'utilisant dans un reseau cellulaire
EP1802091A1 (fr) * 2005-12-20 2007-06-27 Mitac Technology Corp. Système d'interphone sans fil
US7636103B2 (en) 2004-10-14 2009-12-22 Panasonic Corporation Door phone system
US7738917B2 (en) 2003-03-31 2010-06-15 Vtech Telecommunications Limited Intercom/wireless door bell for multi-handset telephone system
EP2216977A1 (fr) * 2009-02-09 2010-08-11 Eporter S.r.l. Porteur électronique à distance et dispositif
CN102055948A (zh) * 2009-11-10 2011-05-11 深圳市科瑞电子有限公司 多功能别墅可视对讲系统
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Cited By (175)

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GB2397726B (en) * 2003-01-06 2006-08-09 Vtech Telecomm Ltd Wireless multi-handset telephone system with integrated video monitoring accessories
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FR2864409A1 (fr) * 2003-12-23 2005-06-24 Radiotelephone Sfr Procede et terminaux communicants pour l'emission et la reception a distance de signaux de visiophonie et/ou d'interphonie
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