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AT&T Corp Patents
Assignee:
AT&T Corp
Address:
New York, NY
No. of patents:
3633
Patents:




Patent Number Title Of Patent Date Issued
RE36707 Video telephony dialing May 23, 2000
In a video telephony system, a coaxial cable network, which is preferably a part of an existing cable television system, provides a local link for the transmission of the video telephone signals between each originating and destination location and a respective "head end" located on the
RE35119 Textured metallic compression bonding December 12, 1995
Integrated circuit chip-to-chip interconnections are made via gold pads on each chip that are bonded to corresponding gold pads on a silicon wafer chip carrier. The pads on the chips and/or the pads on the carrier are characterized by texturing (roughening) with a feature size of the ord
RE35050 Personal computer-as an interface between a telephone station set and a business communication s October 3, 1995
This invention is an interface arrangement which interconnects a business communication system with a telephone station set. This interface is implemented in a personal computer which serves to control the operation of the associated telephone station set and also provide business co
H2075 Restorable architectures for fiber-based broadband local access networks August 5, 2003
The present invention provides a local access network, having a switching node, a passive remote node connected to an optical network unit, a first optical fiber that provides a dedicated connection between the switching node and the passive remote node, and a second optical fiber that p
H1794 Secure money transfer techniques using hierarchical arrangement of smart cards April 6, 1999
Systems and methods for providing secure smart card transactions are disclosed. Smart cards are arranged in a smart card hierarchy, the hierarchy including a first smart card at a first hierarchical level and a second smart card at a second hierarchical level higher than the first hi
D462336 Wrist communicator September 3, 2002
D447477 Closed travel guide September 4, 2001
D447476 Open travel guide September 4, 2001
D381332 Telephone module July 22, 1997
D379993 Telephone module June 17, 1997
D379975 Combined portable memory card reader and player June 17, 1997
D372707 Packaging for memory device August 13, 1996
D372245 Hand-held remote control unit July 30, 1996
D370486 Portable telephone handset June 4, 1996
D370481 Decoder box for interactive television set June 4, 1996
D370239 Video controller May 28, 1996
D370207 Pen-based personal communicator May 28, 1996
D369796 Adjustable telephone handset May 14, 1996
D369358 Portable telephone handset April 30, 1996
D368068 Plug-in power conversion unit housing March 19, 1996
D366205 Face plate including icon display unit(s) January 16, 1996
D365824 Cradle for a telephone handset January 2, 1996
D365821 Personal information center telephone set January 2, 1996
D365808 Video circuit board housing associated with a multi-media terminal January 2, 1996
D364621 Telephone stand November 28, 1995
D362855 Telephone security device October 3, 1995
D355921 Camera module for a personal computer February 28, 1995
D355917 Telephone handset February 28, 1995
D355659 Telephone handset February 21, 1995
D355652 Telephone stand February 21, 1995
D355651 Telephone stand February 21, 1995
D355190 Cordless telephone base February 7, 1995
D355189 Telephone set February 7, 1995
D355188 Telephone handset February 7, 1995
D355187 Telephone answering machine February 7, 1995
D355186 Telephone answering machine February 7, 1995
D355137 Optical splice verification unit February 7, 1995
D354500 Modem housing January 17, 1995
7415464 System, method and computer-readable medium for providing pattern matching August 19, 2008
A system, method and computer-readable medium are disclosed for identifying representative data using sketches. The method embodiment comprises generating a plurality of vectors from a data set, modifying each of the vectors of the plurality of vectors and selecting one of the plural
7415461 Apparatus and method for merging results of approximate matching operations August 19, 2008
A device and a method are provided. Approximate match operations are performed for each of a group of attributes for each of a group of tuples with respect to a query to create a respective ranking for each of the group of attributes. The rankings of the group of attributes are combined
7415240 Systems and methods for delivering a stored message to a subscriber August 19, 2008
A method for delivering a stored message to a satellite radio receiver is disclosed. The method includes receiving a request to retrieve the message, receiving the message, encoding the message for satellite transmission, and transmitting the message for delivery to the satellite rad
7415206 Arrangement for characterizing and reducing multi-path interference (MPI) and/or optical return August 19, 2008
In an optical transmission link having discrete optical reflection sources that cause multi path interference (MPI) and optical return loss (ORL), a method determines how to reduce to beneath a predetermined threshold, a predetermined phenomenon (MPI or ORL or a composite of the two). Th
7415010 Method and apparatus for providing customer specified service logic August 19, 2008
A method and apparatus for enabling the creation of customer specified service logic are disclosed. The method enables a service provider to define a plurality of pre-built blocks of service logic for constructing basic and advanced telephone services, to enable the customer to use the
7414711 Estimating optical transmission system penalties induced by polarization mode dispersion (PMD) August 19, 2008
Polarization mode dispersion (PMD) induced system penalty .epsilon. is determined from optical characteristics of an optical wavelength division multiplexed (WDM) signal that is carried on a network. The method involves tapping the optical WDM signal, separating an optical channel fr
7412410 Automated sales support device August 12, 2008
A system and method for notifying salespersons of customer communications including a target item is provided. Individual customers are mapped to one or more salespersons. Target items of interest to a salesperson are defined and a salesperson is associated with a customer. For each
7412393 Method for developing a dialog manager using modular spoken-dialog components August 12, 2008
A method of developing a dialog manager for a spoken dialog service is disclosed. The method comprises selecting a top level flow controller based on application type, selecting available reusable subdialogs for each application part, developing a subdialog for each application part
7412383 Reducing time for annotating speech data to develop a dialog application August 12, 2008
Systems and methods for annotating speech data. The present invention reduces the time required to annotate speech data by selecting utterances for annotation that will be of greatest benefit. A selection module uses speech models, including speech recognition models and spoken language
7412171 Optical ring network architecture August 12, 2008
An optical ring network architecture including a number (N) of multi-add/drop filters, such as filters formed using symmetrical pairs of frequency routers. Each multi-add/drop filter is coupled to two other multi-add/drop filters using N-2 transmission media, such as optical fibers,
7411943 System and method for processing a plurality of requests for a plurality of multi-media services August 12, 2008
A system and method for processing a plurality of requests for a plurality of multi-media services received at a Private Service Exchange (PSX) from a plurality of IP-communication devices. The system includes an IP Segmentation Directory (IP-SD) coupled to the PSX and to a plurality of
7411942 Method and apparatus for automated calendar selections August 12, 2008
A method and apparatus for reserving an appointment in a communications network is described. In one embodiment, a request is received from a caller to schedule an appointment with an enterprise customer, wherein the request is processed in accordance with a media server in the commu

 
 
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