US Patent No: 6,970,537

Number of patents in Portfolio can not be more than 2000

Video transmission and control system utilizing internal telephone lines

ALSO PUBLISHED AS: 20020071531

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Abstract

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A video transmission system for facilitating transmission of video and control signals, particularly infrared remote control signals, between different locations in a residence using existing telephone wiring. Simultaneous transmission of signals of both types over active telephone lines is possible without interference with telephone communications. Transmission succeeds without requiring special treatement of the video signals beyond RF conversion, despite signal attenuation inherent in transmission over the telephone line media. Two or more video sources may be tied into the system, and selected as desired. Remote control signals generated in one room may be utilized without requiring a clear line of sight between the remote control device and the receiver.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UNITED ACCESS TECHNOLOGIES, LLCMCLEAN, VA19

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodman, David D Washington, DC 34 818

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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FUJITSU LIMITED (1)
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GBSB ASSOCIATES, A MASSACHUSETTS GENERAL PARTNERSHIP COMPRISING OF (SEE DOCUMENT FOR DETAILS) (1)
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MACROVISION CORPORATION (1)
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Societe Anonyme de Telecommunications (1)
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VIDEOTELECOM CORP. (1)
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Visicable+ (1)
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XANTECH CORPORATION (1)
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XEROX CORPORATION (1)
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Other [Check patent profile for assignment information] (8)
4,197,497 Automatic police emergency locator system 18 1977
4,354,263 Computer-communications concentrator for transmission and switching of packetized data 35 1980
4,446,458 Monitoring and control system 56 1981
4,644,526 Full duplex frequency division multiplex communication system 184 1984
4,577,311 Packet-based telecommunication system 69 1985
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4,882,747 Infrared communication apparatus for remote site applications 118 1988
4,849,811 Simultaneous audio and video transmission with restricted bandwidth 157 1988

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
UNITED ACCESS TECHNOLOGIES, LLC (1)
7,305,071 Video transmission and control system utilizing internal telephone lines 0 2005

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11.5 Year Payment $7400.00 $3700.00 $1850.00 May 29, 2017
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
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