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DIGITAL COMMUNICATIONS SYSTEM FOR RESIDENTIAL AND CUSTODIAL-CARE ENVIRONMENTS, OFFICE AND THE LIKE

  • US 20090116408A1
  • Filed: 02/23/2007
  • Published: 05/07/2009
  • Est. Priority Date: 03/14/2006
  • Status: Active Grant
First Claim
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1. Digital communications system for residential, custodial-care environments, office and the like destined to integrate different communications services within a single network, such as voice, video, alarm control, entryphone and Internet traffic, as well as heating and air-conditioning system control services and the activation of different electrical equipments, structured through a set of interconnected modules or terminals forming a network characterized in that the terminals (1), (1

  • ), . . . , (1n) are interconnected through data transmission cables, such as UTP cables (4) for differential transmission, with a read bus (2) and a write bus (3), wherein each module will have at least one PLD card (7) containing a programmable logic device for the management of a series of cards associated to the said card, materialising them in a main card (8) with two A/D, D/A audio converters (14), (15), as well as the corresponding circuits and connectors (5) for the interconnection of terminals or modules with the aforesaid physical means (UTP, telephone cable, optical fibre, wireless, electrical network), and a user interface card (9) that includes a display (19) and a keyboard (20), and a series of piezoelectric buzzers (21) that allow the user to configure the different system options, receiving information about each situation and condition, in addition optionally including one or various expansion cards (11-11

    ) which can be associated to named PLD card (7) for the input or output of audio, video, Internet, telephone line or entryphone line signals, as well as a remote control and alarm card (10) used for the activation of external loads, alarms and to gather signals coming from sensors.

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