Telephone ringing monitoring and control system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5040209
SERIAL NO

07408643

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A control system for use in a conventional telecommunications system comprising a common telephone line to which plural telephones may be connected. The line is arranged to carry plural series of electrical ring-initiating signals, each for a respective one of plural telephone numbers serviced by the line. The control system comprises plural controllable ports and a controller. Each of the ports is associated with a respective one of the series of ring-initiating signals and is arranged to have a telephone and/or some auxiliary device, e.g., FAX machine, answering machine, computer, etc., connected thereto. The controller is coupled to the line and the controllable ports and detects an analyzes each of the plural ring-initiating signals on the line and also monitors the status of the line, e.g., if there is a 'busy signal', an 'on-hook signal', an 'off-hook signal', or other signal on it. Depending upon line conditions the system controls the ports to which the telephones or other devices are connected, e.g., it precludes the first of the ring-initiating signals from reaching any port, analyzes those signals and thereafter diverts the remaining ring-initiating signals of any particular series to the associated port while continuing to preclude the remaining signals from reaching the other ports.

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First Claim

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Patent Owner(s)

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International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adler, Andrew 1506 NE. 118th St., North Miami, FL 33161 4 181
Greenberg, Melvin B 20500 NE. 20th Pl., Miami, FL 33179 5 103
Sarley, Donald J 7772 Harbor Blvd., Miramar, FL 33023 1 44

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
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Extel Corporation (1)
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OM ELECTRONIC SYSTEMS CORP., 7419 STONE PINE LANE, HOUSTON, TEXAS 77041-1726 (1)
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AVAYA TECHNOLOGY CORP. (1)
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Charles Industries, Ltd. (1)
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BELL TELEPHONE LABORATORIES, INCORPORATED (1)
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
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LENOVO INTERNATIONAL LIMITED (1)
6880012 System, method, and program for establishing modem communication between a master computer system and a plurality of slave computer systems through a common serial communication channel 1 2000
 
SBC PROPERTIES, L.P. (7)
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* 2003/0016,792 Method and system for providing visual motification in a unified messaging system 14 2002
6868144 Method and system for interfacing systems unified messaging with legacy systems located behind corporate firewalls 12 2002
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NEC CORPORATION (1)
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CANON KABUSHIKI KAISHA (3)
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ERICSSON INC. (1)
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Northern Telecom Limited and SBC Properties, L.P. (1)
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RPX CLEARINGHOUSE LLC (3)
* 2006/0200,532 Method and System for Providing Visual Notification in a Unified Messaging System 10 2006
8687773 Method and system for interfacing systems unified messaging with legacy systems located behind corporate firewalls 0 2007
* 2007/0274,473 Method and system for interfacing systems unified messaging with legacy systems located behind corporate firewalls 3 2007
 
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY (1)
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BROTHER KOGYO KABUSHIKI KAISHA (6)
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BOSTON SCIENTIFIC SCIMED, INC. (2)
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TEXAS INSTRUMENTS INCORPORATED (1)
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CASIO COMMUNICATIONS, INC. (1)
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MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
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AT&T CORP. (3)
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* 2006/0140,171 Method and apparatus for enabling the network to disconnect unintentionally idle off-hook endpoints 1 2004
 
NORTEL NETWORKS LIMITED (1)
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* Cited By Examiner