Robert L Feldman

US Patent:

6577414, Jun 10, 2003

Filed:

Feb 19, 1999

Appl. No.:

09/253823

Inventors:

Robert D. Feldman - Red Bank NJ
John A. Stiles - Boonton Township NJ
Gordon C. Wilson - New York NY
Thomas H. Wood - Holmdel NJ

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

H04J 1402

US Classification:

359125, 359167, 359168, 725129

Abstract:

A passive optical network is provided that integrates signals carrying broadcast CATV services into a FTTH/C network that also provides high-speed Internet access and telephony. Essentially all residential telecommunications services are provided in a single network, based on a single fiber and a single simple transceiver in an optical network unit. Multiple services (e. g. , analog video, digital video, cable-modem based Internet access) are multiplexed using separate rf subcarriers (subcarrier multiplexing or SCM) and the delivered signals are compatible with existing consumer appliances (e. g. , TVs, VCRs, cable modems, etc. ). The system and method combines a bi-directional network with dedicated upstream and downstream networks so that the most expensive and extensive portion of the network (the bi-directional outside plant infrastructure) need not be duplicated for each direction, while the use of two separate dedicated upstream and downstream networks further upstream facilitates flexible provisioning of bandwidth for each direction independently.

US Patent:

6650840, Nov 18, 2003

Filed:

Mar 26, 1999

Appl. No.:

09/277044

Inventors:

Robert D. Feldman - Middletown NJ

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

H04B 1008

US Classification:

398 21, 398 16, 398 10, 398168, 398169

Abstract:

A method for identifying faults in a branched optical network having a central office optically connected to a plurality of optical network units by a plurality of optical paths. The method involves transmitting an optical signal from the central office to the optical network units reflecting a portion of the transmitted optical signal back to the central office. This reflected signal is then used to determine whether a fault exists in the branched optical network.

US Patent:

6798567, Sep 28, 2004

Filed:

Mar 7, 2002

Appl. No.:

10/093041

Inventors:

Robert D. Feldman - Middletown NJ
Mahan Movassaghi - Middletown NJ
David A. Sadler - Holmdel NJ
William A. Thompson - Red Bank NJ

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

H01S 300

US Classification:

35934142, 398 25

Abstract:

A method and apparatus for controlling transients in an optical signal propagating along an optical fiber path interconnecting a plurality of network elements employs a power threshold to determine an appropriate response given a change in optical signal power.

US Patent:

7161734, Jan 9, 2007

Filed:

May 26, 2004

Appl. No.:

10/853836

Inventors:

Robert D. Feldman - Middletown NJ, US
Mahan Movassaghi - Middletown NJ, US
David A. Sadler - Holmdel NJ, US
William A. Thompson - Red Bank NJ, US

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

H01S 3/00

US Classification:

35934142, 398 25

Abstract:

A method and apparatus for controlling transients in an optical signal propagating along an optical fiber path interconnecting a plurality of network elements employs a power threshold to determine an appropriate response given a change in optical signal power.

US Patent:

7822341, Oct 26, 2010

Filed:

Sep 28, 2006

Appl. No.:

11/536238

Inventors:

Robert D. Feldman - Middletown NJ, US
Daniel C. Kilper - Rumson NJ, US
Thomas A. Skrobala - Basking Ridge NJ, US
Christopher A. White - Neshanic Station NJ, US
Lili Yu - Edison NJ, US

Assignee:

Alcatel-Lucent USA Inc. - Murray Hill NJ

International Classification:

H04B 10/08

US Classification:

398 38, 398 83, 398 33, 398177, 398181, 398160

Abstract:

In one embodiment, a control method, according to which a cascade of control messages is propagated between nodes of an optically transparent network, with each message being sent from a node to an adjacent downstream node to inform the latter about a control operation scheduled to be performed at the message-sending node and/or an upstream node that impacts an optical communication signal received at that downstream node. The cascade of control messages effectively creates an ad hoc control domain, in which control operations performed at various nodes of that domain can be coordinated to reduce unfavorable interactions between those control operations. By repeatedly propagating appropriate cascades of control messages through the network, control domains can be changed dynamically and adaptively to reflect any changes to the network topology, equipment, and/or traffic distribution.

US Patent:

20040208519, Oct 21, 2004

Filed:

Mar 7, 2002

Appl. No.:

10/092746

Inventors:

Robert Feldman - Middletown NJ, US
Janet Greenberg - Freehold NJ, US
Mile Radovanovic - Morganville NJ, US
S. Thangavelu - Dayton NJ, US
William Thompson - Red Bank NJ, US

Assignee:

LUCENT TECHNOLOGIES INC.

International Classification:

H04B010/08
H04B010/00

US Classification:

398/030000

Abstract:

A method and apparatus for controlling the power level of an optical signal includes detecting the loss of a supervisory signal counter-propagating in an optical fiber.

US Patent:

56615850, Aug 26, 1997

Filed:

Feb 27, 1995

Appl. No.:

8/387306

Inventors:

Robert D. Feldman - Middletown NJ
Kang-Yih Liou - Holmdel NJ

Assignee:

Lucent Technologies Inc. - Murray Hill NJ

International Classification:

H04B 1004
H04B 1000
H04J 1408

US Classification:

359180

Abstract:

A lightwave communication system includes an optical distribution system for routing optical signals and a plurality of optical transmitters coupled to the optical distribution system. At least one of the optical transmitters has an amplified light emitting diode for generating an optical spectrum. At least one optical receiver is optically coupled to the optical distribution system.

US Patent:

47739860, Sep 27, 1988

Filed:

Dec 18, 1986

Appl. No.:

6/943174

Inventors:

Robert J. Feldman - Passaic NJ
Andrei Rhoe - Wyckoff NJ
Roger P. Van Driesen - Titusville NJ
Joseph F. Puzio - Park Ridge NJ
Vincent A. Strangio - Glen Ridge NJ

Assignee:

Lummus Crest, Inc. - Bloomfield NJ

International Classification:

C10G 5504

US Classification:

208 96

Abstract:

The severity of a visbreaking operation is increased by treating product to remove a heavier phase in an amount of less than 15 weight percent and provide a remaining product having a Shell Hot Filtration number of less than 0. 25.