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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7162014 | Method and system for interfacing systems unified messaging with legacy systems located behind corporate firewalls A system and method for interfacing unified message processing systems with legacy voice mail, e-mail and facsimile systems, located behind corporate firewalls. The system includes a unified message server, a proxy interface and a message protocol converter. The pro... | 01/09/2007 |
| 6868144 | Method and system for interfacing systems unified messaging with legacy systems located behind corporate firewalls A system and method for interfacing unified message processing systems with legacy voice mail, e-mail and facsimile systems, located behind corporate firewalls. The system includes a unified message server a proxy interface and a message protocol convertor. The prox... | 03/15/2005 |
| 6782079 | Method and system for filter based message processing in a unified messaging system A method and system for processing messages in a unified messaging system. In particular, the system enables legacy e-mail, voice mail and facsimile systems to be integrated with a unified messaging system. The system includes a filter or mechanism which enables the... | 08/24/2004 |
| 6563814 | Method and apparatus for controlling the operation of a digital telephone switchboard A digital switchboard is controlled from a remote station to enable the remote station to behave in the same fashion as a local extension and thus have the same facilities as a local extension. This is achieved using a data communications path providing c... | 05/13/2003 |
| 6501766 | Generic bus system A communication system consisting of a number of modules that communicate with one another through a shared communications bus which accommodates different protocols. The system includes a bus clock for defining a frame having a plurality of time slots fo... | 12/31/2002 |
| 6421328 | Neighborhood list assimilation for cell-based microsystem A method for assembling a microsystem neighbor list that defines control channel usage within a common operational band used by the microsystem, the overlying macrosystem and any computer microsystems. Such a method can be implemented by a frequency plann... | 07/16/2002 |
| 6411629 | Data interleaving method Data packets are transmitted over a communications link in an interleaved manner. The link comprises a series of time-division multiplexed (TDM) frames, each frame comprising a plurality of time slots, a time slot being shorter than a data packet. Data pa... | 06/25/2002 |
| 6407438 | Semiconductor opto-electronic device packaging A rear light entry photodetector array chip is secured face-down with solder on to the front face of a ceramic submount provided with electrically conductive vias. A frame-shaped mass of solder seals the chip to the submount to provide a hermetic enclosur... | 06/18/2002 |
| 6400698 | State machine and random reserve access protocol for IS136 based TDMA packet date mobile stations The software and hardware within a base station controller and within a mobile station are modified to redefine a flag which is used for controlling communications there between. Additionally, a new flag is created. The system with the modified flag and t... | 06/04/2002 |
| 6381219 | Channel integrity in a voice-on-ATM network An application and method for analyzing a virtual circuit in an asynchronous transfer mode ("ATM") network is disclosed. The ATM network may include multiple switches and connects two telecommunications networks through two interface devices, one for each... | 04/30/2002 |
| 6370654 | Method and apparatus to extend the fault-tolerant abilities of a node into a network An apparatus that networks fault-tolerant computing platforms with non fault-tolerant computing platforms includes at least one fault-tolerant computing platform, a plurality of non fault-tolerant computing platforms, and communication links connecting th... | 04/09/2002 |
| 6345047 | Computer telephony adapter and method For use at a subscriber site with a subscriber line, for simultaneously sending a telephone call from a PSTN compatible telephone terminal on the subscriber site, and IP packets from a first computer, over the subscriber line, the adaptor has a converter ... | 02/05/2002 |
| 6327344 | Enhanced network subscriber service (ENSS) The Enhanced Network Subscriber Service (ENSS) operates with a public switched telephone network 200. A caller 112 enters a number which is in service, but belonging to subscriber 114 who is a registered member of the ENSS. The call triggers an intercept ... | 12/04/2001 |
| 6327478 | Short message park and page system and method A method of and system for processing calls to a wireless unit determines if the wireless unit is in a "page-only" mode or otherwise unavailable to receive the call. If said wireless unit is unavailable to receive the call, system determines if the callin... | 12/04/2001 |
| 6320904 | Clustering blind convergence process in an adaptive decision feedback equalizer A blind convergence process for an adaptive decision feedback equalizer that includes an quadrature amplitude modulation (QAM) slicer having a index n, a forward filter defined by a plurality of forward tap coefficients and a feedback filter defined by a ... | 11/20/2001 |
| 6311075 | Antenna and antenna operation method for a cellular radio communications system A conventional antenna 114 at a cell site of a sectored cell in a cellular radio communications system has a low angle of coverage in elevation and therefore has low gain for close-in subscriber units (near the cell site). In a sectored cell, a main beam ... | 10/30/2001 |
| 6285881 | Method and system for quickly finding a control channel in a private cellular system The method of quickly locating non-standard control channels in private cellular systems is accomplished in an embodiment of the present invention by determining the modulation type of a particular channel. The mobile station scans a received RF channel. ... | 09/04/2001 |
| 6272315 | Mobile satellite system/terrestrial wireless system interworking techniques Methods for switching a mobile between operation in an mobile satellite system mode and a terrestrial wireless mode. When operating in the terrestrial wireless mode, the mobile terminal will initiate an attempt to switch into the MSS mode when it nears th... | 08/07/2001 |
| 6262972 | Digital multitone communication trunk A digital communication trunk employing digital discrete multitone communication over twisted pair copper network segments to increase the effective bandwidth therethrough. Each central office includes an end unit to connect to the network segments and di... | 07/17/2001 |
| 6226516 | Method for invoking dynamically modifiable subscriber services and an intelligent telecommunication network incorporating the same A terminal coupled to an intelligent telecommunication network may invoke dynamically modifiable subscriber services by transmitting information to a switch to which script files, each containing programming script needed to initiate a calling feature or ... | 05/01/2001 |
| 6208615 | Broadband wireless access based on code division parallel access A number of user IDs are assigned to each wireless device. The number of user IDs required is based on the type of information transmitted (e.g., video, voice, or data). The user ID's generate the orthogonal Walsh codes used to cover a data signal to be t... | 03/27/2001 |
| 6181738 | Reverse link power control using a frame quality metric When the frame rate changes from eighth rate to full rate, the power control process increases the Eb /N.sub..sub.o target by Ɗ1. If the frame rate changes from full rate to eighth rate, the power control proc... | 01/30/2001 |
| 6178322 | Message waiting notification using ANSI-41 network messaging protocols A new ANSI-41 networking message, designated "MessageWaitingNotificationDirective" or "MWNDIR," for communicating message waiting notification information to an HLR is described. In a preferred embodiment, the MWNDIR message comprises several existing ... | 01/23/2001 |
| 6178163 | Optimal packet routing method and system for low earth orbit satellite communication system In a LEO satellite system with the implementation of a virtual network, a method and a system are proposed for arranging an optimal route for data packets to travel. The method and system will diversify the traffic between satellites, and accordingly enha... | 01/23/2001 |
| 6175622 | Virtual private network for a telephone network A system and method for allowing a wireline or wireless carrier or service provider to transparently provide a virtual private network to wireless callers of the network. The method works in a telecommunications network including a service switch point, a... | 01/16/2001 |
| 6173185 | Method and apparatus for minimizing the area sampled to determine cell area coverage reliability in a radiotelephone system A robust method for determining the boundaries of cells and the associated reliability of the RF coverage within these boundaries is presented. The invention accurately determines the average range from the base station to the cell edge from RF signal str... | 01/09/2001 |
| 6173183 | CDMA inter-mobile switching center soft hand-off The present invention facilitates an inter-mobile switching center (MSC) soft hand-off by creating a communication link between the MSCs through the base station controllers (BSCs). The routers in the BSCs are linked to form a virtual router. This faster ... | 01/09/2001 |
| 6169733 | Multiple mode capable radio receiver device A mobile handset is able to receive and transmit to base stations operating in compliance with different standards, for example CDMA, TDMA or AMPS. The mobile handset converts the received signal down to baseband and digitizes only a single channel at a t... | 01/02/2001 |
| 6169892 | Flow control of authentication triplet request for reducing usage time of a central processor A method of requesting authentication triplets as a function of CPU processing time at a MSC. The MSC requests a new set of authentication triplets from an HLR as a function of how busy the MSC CPU is. During the least busy periods of time, the MSC reques... | 01/02/2001 |
| 6167126 | Method for flexibly provisioning switching devices and a switching device incorporating the same A switching device includes a call processing application which handles interactions with originating agents in accordance with a flexible interaction framework. The switch is provisioned with an interaction module in which a plurality of primitives, term... | 12/26/2000 |
| 6167271 | Interface between cellular and wired networks with enhanced subscriber mobility A system to enable communication between a base station controller (24) within a cellular network (12), and a wired telephone system (38, 39) in a wired subscriber loop (113), wherein the base station controller (24) is responsive to, and generates, cellu... | 12/26/2000 |
| 6163707 | CDMA power control error reduction via predictive filtering The power control process receives a signal from the radiotelephone over the time varying reverse link. The received signal is demodulated and decoded. The resulting signal is used to estimate the E w/I0. The E w/f0 | 12/19/2000 |
| 6157644 | Method and apparatus for accelerating OSI layer 3 routers Methods and apparatus for accelerating a router in a communications network are described. In one embodiment, a router accelerator includes a forwarding table for associatively storing a destination address and a next hop address. If a destination address... | 12/05/2000 |
| 6154449 | Switchless network A network shelf is disclosed for connecting a number of devices together. The shelf includes a backplane having multiple device slots. It also includes multiple links connected to each device slot. Each of the device slots is normally connected to at leas... | 11/28/2000 |
| 6154296 | Telecommunications network having shared protect capacity architecture An optical communications network configured in a shared protect capacity architecture. The network includes a plurality of shared and unshared nodes; a plurality of working lines connecting the plurality of nodes to form a ring that shares two or more no... | 11/28/2000 |
| 6151505 | System and method for reporting the location of a mobile telecommunications unit to an authorized terminator telecommunications unit A system and method of providing a terminator telecommunications unit with the geographic location of a mobile telecommunications unit, where the terminator unit may then provide directions to the mobile unit in voice format or non-voice data format so th... | 11/21/2000 |
| 6148073 | Network centric call processing architecture using distributed call segments An apparatus and method for allocating a data path during a call by establishing a first network call segment associated with an agent and sending a message with routing information across a tandem link using predetermined signaling paths. A second embodi... | 11/14/2000 |
| 6144486 | Pump wavelength tuning of optical amplifiers and use of same in wavelength division multiplexed systems The variables and parameters previously understood to affect the gain spectrum of an optical amplifier 13 were: (1) the wavelengths to be amplified; (2) the input power levels at those wavelengths; (3) the characteristics of the amplifying medium 20; (4) ... | 11/07/2000 |
| 6141370 | Superimposed grating WDM tunable lasers A superimposed grating tunable WDM semiconductor laser is provided comprising a grating structure is a binary superimposed grating comprising a plurality of segments of equal dimension, s, each segment having one of two values of refractive index, whereby... | 10/31/2000 |
| 6137806 | Intelligent network with alternate routing of signalling messages, and method of operating such network In an intelligent network comprising a plurality of Service Signalling Points (SSP) and a Service Control Point (SCP), improved handling of overload conditions at the Service Control Point is provided by means of a Network Signalling Point interposed betw... | 10/24/2000 |
