1
Charles Mao
Xiaoping Charles Mao: Power equalizer in a multiple wavelength bidirectional lightwave amplifier. MCI Communications Corporation, July 20, 1999: US05926590 (18 worldwide citation)

A system and method for optimizing the performance, in a multichannel optical transmission system, of an optical signal regenerator, by compensating for input signal power fluctuation and for output signal gain change, and by mildly filtering individual wavelengths between gain block stages. A syste ...


2
Charles Mao
Joseph C Cook, Xiaoping Charles Mao: Dense WDM in the 1310 nm band. MCI Communications Corporation, March 28, 2000: US06043914 (16 worldwide citation)

Dense wavelength division multiplexing within a 1310 nm band is accomplished over a single mode fiber. Carrier wavelengths are selected from within two windows, a low subband and/or a high subband, on either side of a guardband. The guardband includes the zero dispersion wavelength .lambda..sub.0 of ...


3
Warren E Bernard, Philip A Jacobson: System and method for automated remote previewing and purchasing of music, video, software, and other multimedia products. MCI Communications Corporation, June 29, 1999: US05918213 (932 worldwide citation)

An automated product purchasing system allows purchasers to order products via a remote communications medium without having to speak to a sales representative or other human operator. According to the invention, purchasers access the automated product purchasing system and browse among the selectio ...


4
Sridhar Krishnaswamy, Isaac K Elliott, Tim E Reynolds, Glen A Forgy, Erin M Solbrig: Method for video telephony over a hybrid network. MCI Communications Corporation, December 7, 1999: US05999525 (654 worldwide citation)

Telephone calls, data and other multimedia information including video, audio and data is routed through a switched network which includes transfer of information across the internet. Users can transmit video, audio and data communications of designated quality over the internet to other registered ...


5
Isaac K Elliott, Tim E Reynolds, Sridhar Krishnaswamy: System and method for providing requested quality of service in a hybrid network. MCI Communications Corporation, January 1, 2002: US06335927 (631 worldwide citation)

Telephone calls, data and other multimedia information is routed through a hybrid network which includes transfer of information across the internet. A media order entry captures complete user profile information for a user. This profile information is utilized by the system throughout the media exp ...


6
Isaac K Elliott, Sridhar Krishnawswamy: System and method for a directory service supporting a hybrid communication system architecture. MCI Communications Corporation, June 22, 2004: US06754181 (541 worldwide citation)

Telephone calls, data and other multimedia information is routed through a hybrid network which includes transfer of information across the internet utilizing telephony routing information and internet protocol address information. A media order entry captures complete user profile information for a ...


7
Bruce D Elliot: Anytime/anywhere child locator system. MCI Communications Corporation, June 5, 2001: US06243039 (493 worldwide citation)

A system that tracks the current and historical locations of a GPS locator device carried by a person provides widely available access to data referencing these locations, so that a parent can easily and frequently monitor the location of a child. Monitoring of a child's location may be conduct ...


8
Eric T Phipps: Personal medical monitoring unit and system. MCI Communications Corporation, June 17, 2003: US06579231 (486 worldwide citation)

A portable unit worn by a subject, comprising a medical monitoring device, a data processing module with memory and transmitter for collecting, monitoring, and storing the subject's physiological data and also issuing the subject's medical alarm conditions via wireless communications netwo ...


9
Guido M Eastep, Paul Litzenberger, Shannon R Orebaugh: System, method and article of manufacture for a call back architecture in a hybrid network with support for internet telephony. MCI Communications Corporation, May 4, 2004: US06731625 (483 worldwide citation)

A callback system is created utilizing a hybrid telecommunication system including a switched communication network and a packet transmission network. A call parameter database is stored in a memory. A call is received on the system. The call parameter database is accessed to determine at least one ...


10
Isaac K Elliott: System, method and article of manufacture for selecting a gateway of a hybrid communication system architecture. MCI Communications Corporation, December 5, 2006: US07145898 (480 worldwide citation)

Telephone calls, data and other multimedia information is routed through a hybrid network which includes transfer of information across the internet utilizing telephony routing information and internet protocol address information. A media order entry captures complete user profile information for a ...