Invention Grant
- Patent Title: Two-wire multichannel video door system
- Patent Title (中): 双线多通道视频门系统
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Application No.: US14324378Application Date: 2014-07-07
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Publication No.: US09215410B2Publication Date: 2015-12-15
- Inventor: Carlos Ferrer Zaera , Enrique Sanchis Peris , Vicente Gonzalez Millan , Julio Sanchez Gimeno , Elias Garcia Garcia
- Applicant: FERMAX DESIGN & DEVELOPMENT, S.L.U.
- Applicant Address: ES Valencia
- Assignee: Fermax Design & Development, S.L.U.
- Current Assignee: Fermax Design & Development, S.L.U.
- Current Assignee Address: ES Valencia
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: EP13382282 20130708
- Main IPC: H04N7/14
- IPC: H04N7/14 ; H04N7/18 ; H04L25/49 ; H04M11/02 ; H04L5/14

Abstract:
Two-wire multichannel video door system that comprises at least two street panels (20) with video camera (18) and home terminals, provided with an intercom, or with a monitor intercom. Characterized in that the street panels comprise the following: a digital BNFSK modulator and a digital BNFSK demodulator for transmitting audio and data to an intercom terminal, provided with a digital BNFSK modulator and a digital BNFSK demodulator; and a digital PPM modulator and a digital PPM demodulator for the transmission of audio and video to a monitor terminal, provided with a digital BNFSK modulator and a digital BNFSK demodulator and a digital PPM modulator and a digital PPM demodulator, to maintain at least two simultaneous bidirectional audio conversations between two terminals with two street panels, and to send video from the street panels to the terminals at the same time, using any type of conventional cabling.
Public/Granted literature
- US20150009283A1 TWO-WIRE MULTICHANNEL VIDEO DOOR SYSTEM Public/Granted day:2015-01-08
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