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Patent No. 5983411

Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

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Assignee: Nortel Networks Corporation


Location: Montreal, CA
No. of patents: 403

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NumberTitleIssue Date
7933883Associative search engine
This invention relates to an advertisement machine which provides advertisements to a user searching for desired information within a data network. The machine receives, from a user, a search request including a search argument corresponding to the desired informati...
04/26/2011
7895183Associative search engine
This invention relates to an advertisement machine which provides advertisements to a user searching for desired information within a data network. The machine receives, from a user, a search request including a search argument corresponding to the desired informati...
02/22/2011
7895178Associative search engine
This invention relates to an advertisement machine which provides advertisements to a user searching for desired information within a data network. The machine receives, from a user, a search request including a search argument corresponding to the desired informati...
02/22/2011
6999445Multiple access communication system using chaotic signals and method for generating and extracting chaotic signals
A multiple access telecommunication system is provided, which makes use of chaotic signals. Each transmitter has a chaotic system, which has at least one strange attractor in its phase space, and each receiver has chaotic systems, which corresponds to those in the t...
02/14/2006
6898419Remotely adjustable bandpass filter
Remotely controllable actuators are provided to alter the cavity size of bandpass cavity filters to alter the bandpass characteristics. In one embodiment, a stepper motor is used to provide lateral movement of a tuning plate to alter the size of the cavity. The neck...
05/24/2005
6779051Determining an end point of a GRE tunnel
An end point address of a generic routing encapsulation (GRE) tunnel is obtained by forwarding a data packet through the GRE tunnel to devices at a multicast address. The data packet includes a logical address of a GRE tunnel end point device. A reply to the data pa...
08/17/2004
6717944System, device, and method for allocating virtual circuits in a communication network
A system, device, and method for allocating virtual circuits in a communication network allocates a virtual circuit for a particular device, establishes a tunnel for communicating with a second device, and maps the virtual circuit to the tunnel based upon an address...
04/06/2004
6701366Providing communications services
A communication system includes packet-based networks that are coupled to terminals capable of participating in telephony sessions. To implement telephony services in such sessions, a telephony scripting language (TSL) is defined. Script modules may be cr...
03/02/2004
6625118Receiver based congestion control
In a packet network, on receiving a packet a receiving host determines if the packet has been marked by any of the nodes through which it passed, to indicate congestion at that node, e.g. by checking the CE bit in an IP header. A packet flow control param...
09/23/2003
6598088Port switch
A method of processing a frame received at a networked device having a port switch and a general-purpose processor. The method can include receiving frame information at the port switch, determining at least one port for the frame, and directing the recei...
07/22/2003
6556561Data network for real time information
A node on a collision detection protocol based network forces collisions to gain control of the network when it has real time data that needs to be transferred to another node on the network, and then begins transmitting the real time data prior to other ...
04/29/2003
6546494Providing power to a device over a network transmission medium
An apparatus provides power to a device over a network transmission medium. The apparatus includes a controller which determines if the device can accept power over the network transmission medium, and which outputs a signal if the device can accept power...
04/08/2003
6509992Free space optical interconnect system tolerant to misalignments and method of operation thereof
A free space optical interconnect system having redundant elements of a transmitter and/or receiver and being tolerant to misalignments is provided. The system provides monitoring of a misalignment between the transmitter and receiver, including determini...
01/21/2003
6424834Precision hard handoff method using pilot beacon distributors
A method and system for providing a precision hard handoff between two networks is disclosed. The two networks include a first wireless communication system for serving a defined area, such as a campus, at a first frequency and a second wireless communica...
07/23/2002
6424700Network based distributed PBX with connection loss survival features
Methods and apparatus are described for maintaining established local calls at an access module in case of change of the call control for a distributed PBX over a communications network, e.g. WAN or LAN, especially an IP network. In accordance with a firs...
07/23/2002
6400548EMI shield
A system includes a circuit board, a modular connector and an EMI shield. The circuit board includes a groundplane and a groundpad that is electrically coupled to the groundplane. The EMI shield includes a first portion to contact and establish an electri...
06/04/2002
6311222Translator memory management system
An apparatus for translating a message between a first transmission protocol to a second transmission protocol limits buffer sizes for storing incoming and outcoming message data. To that end, each message has a message size that is no larger than a maxim...
10/30/2001
6301662Authentication of routing data using variable output length one-way functions
A method and apparatus for authenticating routing data in a network. In one embodiment, the described method includes the step of generating routing data that described a topology of the network. The routing data has a length equal to a routing data lengt...
10/09/2001
6297704Oscillation circuits featuring coaxial resonators
There is a manufacturing limit on how small ceramic coaxial resonators can be produced, which leads to a limit on the frequency of resonance for these resonators. One technique to quadruple the effective frequency of a ceramic coaxial resonator is to coup...
10/02/2001
6269239System and method to combine power control commands during soft handoff in DS/CDMA cellular systems
Mobile stations in communication with several base stations in a cellular CDMA system (as when undergoing soft handoff) do not use the conventional "or of the downs" rule for assessing power control commands from base stations. Mobile stations assess the ...
07/31/2001
6253173Split-vector quantization for speech signal involving out-of-sequence regrouping of sub-vectors
A method and apparatus for compressing and decompressing an audio signal. The apparatus comprises an input for receiving an audio signal derived from a spoken utterance, the audio signal being contained into a plurality of successive data frames. A data f...
06/26/2001
6252888Method and apparatus providing network communications between devices using frames with multiple formats
A method and an apparatus providing data communications among network devices using tagged and untagged frame formats. In one embodiment, a virtual local area network (VLAN) is implemented using frames that may be transferred among network devices in both...
06/26/2001
6243450Pay-per use for data-network-based public access services
An apparatus for vending public multimedia services has a telephone, a multimedia terminal, a payment receiver for receiving an authorization to accept charges for enabling use of at least one of the telephone and the multimedia terminal, a file receiver ...
06/05/2001
6230236Content addressable memory system with cascaded memories and self timed signals
A system includes a plurality of content addressable memory (CAM) chips which are cascaded and connected to a common bus. Each of the CAM chips provides search results (hit, match address and multiple match). A hit signal and a multiple match signal are p...
05/08/2001
6226676Connection establishment and termination in a mixed protocol network
A method, translating apparatus, apparatus comprising a computer readable medium, and system for establishing and terminating an end-to-end connection in a mixed protocol communication network includes a translation function that communicates with a first...
05/01/2001
6219539Systems and methods for implementing private wireless communications
A communications system includes a dual mode mobile station and a home base station. Dual mode mobile station is operable selectively in CDMA and analog modes. Home base station includes circuitry for establishing wireless communications with mobile stati...
04/17/2001
6219335Method and apparatus for locating and isolating a fault within a token ring network
A method and an apparatus for locating a fault within a token ring network are described. The apparatus comprises a number of detectors, each of which is positioned at a location between a pair of neighboring network stations. Each detector maintains an i...
04/17/2001
6215986Reducing radio transmitter distortion
Correction/controlling of amplitude errors in radio transmission is by application of negative feedback to mixer plus power amplifier stages. Incoming signals to the mixer, typically from RF exciter or IF stage, have a modulating envelope. Envelope of mix...
04/10/2001
6212185Multiple network address resolution
In a packet communications network comprising primary packet and secondary communication networks, a method and apparatus are disclosed for using a primary path connection to exchange additional address information between routing nodes so that the routin...
04/03/2001
6212506Per call real time billing display
Real-time, per call charge information is provided to a subscriber for calls in progress using a communications system having a service interface supporting the charge display feature. A repository of billing rate information is accessible to the communic...
04/03/2001
6208727Method of alerting apartment residents to the arrival of visitors
An apartment building alerting system and method are disclosed which use the Public Switching Telephone Network (PSTN) to alert and connect visitors to residents. The PSTN system generally has a visitor interface unit located in the apartment building and...
03/27/2001
6208620TCP-aware agent sublayer (TAS) for robust TCP over wireless
Disclosed is a system for minimizing the effects of faults over an air link of a wireless transmission channel utilizing Transport Control Protocol (TCP). The system includes a TCP-Aware Agent Sublayer (TAS) in a protocol stack, which has a mechanism for ...
03/27/2001
6202169Transitioning between redundant computer systems on a network
A method is provided for transitioning between redundant computer systems on a network. According to one aspect of the present invention, fault tolerance may be achieved in a network which includes one or more redundant computer systems by monitoring the ...
03/13/2001
6195550Method for reducing messaging for inter-VLR location updates
A method for messaging during Inter-VLR location updates wherein a mobile station (MS) sends to a Visitor Location Register (VLR) a Location Update message having a Temporary Mobile Subscriber Identity (TMSI) number embedded therein. The VLR records the T...
02/27/2001
6194970Oscillator stability monitoring and compensation system
The invention includes analyzing the steering voltage applied to a crystal oscillator over time, and compensating for spurious frequency jumps in determining the drift rate of a crystal oscillator. The steering voltage may be used to estimate oscillator s...
02/27/2001
6195634Selection of decoys for non-vocabulary utterances rejection
Assessing decoys for use in an audio recognition process for identifying predetermined sounds in an unknown input audio signal, involves a test recognition process for matching known training audio signals to models representing the predetermined sounds a...
02/27/2001
6192243Method and apparatus for dynamically adjusting number of guard channels in a mobile communication system
A wireless communications systems for servicing mobile subscribers which dynamically optimizes the absolute number of channels reserved for use only as guard channels to minimize the blocking of handoff as well as new calls even under widely varying traff...
02/20/2001
6185565System and method for communication session disposition responsive to events in a telecommunications network and the internet
A method and a system for managing communications sessions, in accordance to events that occur in either one of a telecommunications network, such as the PSTN network or a mobile telephone network, and a data communications network such as the Internet is...
02/06/2001
6185662High availability asynchronous computer system
A method and apparatus for receiving status information from shared logical memory modules in a computer system including redundant memory. The status information includes whether the shared logical memory modules are in a transitional state and the numbe...
02/06/2001
6182045Universal access to audio maintenance for IVR systems using internet technology
A network includes an administrative update station and an audio update station that are connected to a computer network, in particular, the World Wide Web. One or more IVR systems and one or more audio servers are likewise connected to the World Wide Web...
01/30/2001
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