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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7609817 | Termination circuit for network interface unit A network interface unit has an interface coupled to a first transmit line and a first receive line, and the interface is configured to receive a signal from the first receive line. The network interface unit further has circuitry operable in a test mode and a data ... | 10/27/2009 |
| 7529349 | Automated telephone line test apparatus with intelligent diagnostic function A portable, automated telephone line test device includes a test module which applies test signals to a telephone line to be tested and detects electrical characteristics of the telephone line, and a user interface module. The user interface module includes a microp... | 05/05/2009 |
| 7440421 | Detection of looping communication channels A method is disclosed that enables a data-processing system, such as a private branch exchange, to detect and disconnect looping communication channels, without some of the costs, disadvantages, and limitations of techniques in the prior art. The illustrative embodi... | 10/21/2008 |
| 7426262 | Method and arrangement for loop test of a disturbed line The invention refers to single-ended test of a loop (2, 3). A test device (TD1) is connected to a remote device (3) via a line (2). The remote device is powered on and transmits intermittently handshake signals (HS1), which can dis... | 09/16/2008 |
| 7362850 | Method and arrangement for estimation of line properties The length and attenuation of a signal line between a transmitter and a customer premises equipment is to be estimated. A frequency dependent line input impedance (Zin(f)) as seen from the transmitter, is measured and an absolute impedance value (œ Z | 04/22/2008 |
| 7356471 | Adjusting sound characteristic of a communication network using test signal prior to providing communication to speech recognition server A voice recognition system has a vehicle unit, which is a communication terminal, and a voice recognition server. The voice recognition server recognizes a voice signal received from the vehicle unit. A sound characteristic of a communication channel for providing c... | 04/08/2008 |
| 7356127 | Global digital measurement device A digital wideband node (DWN) (28, 48) is coupled to a remote terminal (RT) (22, 42) that in turn is coupled to a subscriber's telephone line (26, 46). The DWN (28, 48) is configured to (1) pass a subscriber's telephone number signal dire... | 04/08/2008 |
| 7298828 | Automated telephone line test apparatus with intelligent diagnostic function A portable, automated telephone line test device includes a test module which applies test signals to a telephone line to be tested and detects electrical characteristics of the telephone line, and a user interface module. The user interface module includes a microp... | 11/20/2007 |
| 7245701 | System and method for verifying central office wiring associated with line sharing A system and method for verifying the integrity of a DSL circuit on a shared telephone line. The invention uses the amplitude modulation principles to overcome the difficulty associated with a blocking capacitor that isolates a DSLAM on the DSL circuit from the rest... | 07/17/2007 |
| 7215742 | Troubleshooting interface for client-routed toll-free telephone calls A remote processor (RP) adapted for use with a telephone system is provided according to one embodiment of the invention. The RP includes a communication interface capable of communicating with a service control point (SCP) of the telephone system and a processing s... | 05/08/2007 |
| 7200206 | Method and apparatus for testing a subscriber loop-based service A network interface device is positioned between a subscriber loop and the internal wiring of a subscriber's premise. Operational and performance data is captured and stored in memory for later use and analysis. Commands issued to the network interface device select... | 04/03/2007 |
| 7177395 | Electronic looping systems for telecommunications system central offices A telecommunications system central office includes a piece of central office equipment and a cross-connect frame that is configured to provide a connection point to the piece of central office electronic equipment. An electronic looping system is connected between ... | 02/13/2007 |
| 7145905 | Call queuing service termination Call queuing is implemented in a telecommunications advanced intelligent network. A determination is made that the call has been queued for a determined amount of time. The caller is requested to perform an action to remain in a queue. If the caller does not perform... | 12/05/2006 |
| 7116637 | System and method for diagnosing a POTS port A method for diagnosing Voice-over-Broadband circuitry including an Integrated Access Device. The method includes receiving a request to initiate diagnosis, pulsing source voltages of tip and ring amplifiers in the circuitry, aggregating signal line noise resulting ... | 10/03/2006 |
| 7106847 | Telecommunication network that provides caller-entered information to a call destination In a telecommunication network, a switching system routes a call to a service platform. The service platform transfers a prompt message over the call, collects caller-entered information from a caller over the call in response to the prompt message, and transfers th... | 09/12/2006 |
| 7099439 | Loop test apparatus and method Systems and methods are described for measuring the quality of telephone transmission lines. A device, such as a loop test apparatus, can be located at a customer's premises and used for remotely diagnosing telephone line impairments, especially concerning the local... | 08/29/2006 |
| 7092362 | Terminal extension repeater An extension repeater which interfaces between a digital service network and a local network span combines extensive diagnostic and operational functions in a single, space-efficient device. The functions include simultaneous loopback capability in both the directio... | 08/15/2006 |
| 7085358 | Visual caller identification A visual caller identification system and method are provided. A caller identification device of a called party's telephone, whether integrated with the telephone or stand-alone, includes a series of colored lights for visually alerting the called party to an incomi... | 08/01/2006 |
| 7082299 | Testing loops for channel codecs A method for determining the performance of decoding in a telecommunication system having a decoder and a testing apparatus for supplying test data to the decoder includes generating test data having signalling data in a signalling frame format, mapping the test dat... | 07/25/2006 |
| 7076044 | Call queuing notification Call queuing is implemented in a telecommunications advanced intelligent network. After a call to a busy subscriber line in queued, a separate call to the subscriber is placed indicating status of the queued subscriber line access call. Call queuing and status notif... | 07/11/2006 |
| 7054273 | Circuit integrity in a packet-switched network Techniques for performing a continuity check operation include sending a pattern of bits over a packet network connection through a first interface on a packet network to a second interface on the packet network. The first interface is monitored for return of the pa... | 05/30/2006 |
| 7042984 | Method for inspecting transmission channels in a communications system having peripheral modules Transmission channels indicated as occupied in a communications system having peripheral modules are inspected for preparing subscriber-side transmission channels. A test sequence transmitter on the system side transmits a test sequence to a control unit for a selec... | 05/09/2006 |
| 7028235 | Test method and test circuit for electronic device A method of testing an electronic device including first and second semiconductor devices connected to each other with a plurality of bus lines. First, the first semiconductor device supplies a selected one of the bus lines with a first logical output signal. Then, ... | 04/11/2006 |
| 7027389 | Fast failure detection using RTT time considerations on a non-retransmit medium The present invention provides a method and apparatus to determine the state of a communications link between two nodes in a network. Typically, each node will have an RTT-based value to use, a packets sent counter, and a threshold number to use against the packet s... | 04/11/2006 |
| 7013347 | Distance vector extension to the address resolution protocol A method and device thereof for managing messages received at a bridging device. A bridging device receives a first message comprising a first contact information and a first distance vector representing a first number of hops the first message has traversed. The fi... | 03/14/2006 |
| 7013257 | Communication transmission impairment emulator A communication system emulator digitally emulates a plurality of signal impairments created by the transmitter and receiver components and communication medium in a typical communication system, for use in evaluating and refining modem design. A variety of linear a... | 03/14/2006 |
| 7003098 | Method and system for measurement of the delay through a network link bounded by an echo canceller A method and system for measuring the signal transmission time through a network link bounded by at least one echo canceller. The method generally includes the steps of determining a signal transmission time (tA) along a network path including the network link bound... | 02/21/2006 |
| 6985560 | Apparatus and method for enabling automatic measurement of performance in a telephony communication system An apparatus and method are provided for obtaining, from an analog subscriber loop, test data that may be used to test the performance of a telephony communication system. The apparatus includes a digital-to-analog (D/A) converter, a first port, a second port, and a... | 01/10/2006 |
| 6959069 | Method for testing subscriber line of private automatic branch exchange using dual-tone multi-frequency signal A method for testing a subscriber line of a PABX (Private Automatic Branch eXchange) using a DTMF (Dual-Tone Multi-Frequency) signal. The method includes the step of controlling a DTMF transmitter in response to a line test request from an exchange operator to trans... | 10/25/2005 |
| 6959037 | System and method for locating and determining discontinuities and estimating loop loss in a communications medium using frequency domain correlation A system for determining characteristics associated with a communication channel includes a transmitter for transmitting a first signal via the communication channel. The system includes a receiver for receiving a second signal via the communication channel in respo... | 10/25/2005 |
| 6954520 | Method for determining concurrrent voice over IP calls A method employs call detail records for developing a report on the usage of VoIP calling along a network path or through a network location. By utilizing, for example, a call-beginning record and a call-ending record for each connection, a report is created of the ... | 10/11/2005 |
| 6917595 | Telecommunications transmission test set A test set includes at least one signal input port, a test circuitry, a processor, a user-input device, and a display. The test circuitry couples to and receives signals from the at least one signal input port. The test circuitry then generates test data correspondi... | 07/12/2005 |
| 6915250 | Customer premises simulation for a service provider A simulation system that simulates a customer premises is disclosed that is tunable. The simulation system is comprised of a communication media simulator system and a device simulator system. The communication media simulator system receives a service provider sign... | 07/05/2005 |
| 6901358 | Communication media simulation for a service provider A simulation system that simulates a length of communication media is disclosed that is tunable. Examples of communication media include wire, coaxial cable, and fiber. The simulation system is comprised of a communication media simulator system. The communication m... | 05/31/2005 |
| 6898272 | System and method for testing telecommunication devices An invention is provided for testing telecommunications devices. Broadly speaking, test data is encoded prior to testing a SUT. Then, during testing, the encoded test data is transmitted to the SUT, which processes the test data. The processed test data then is rece... | 05/24/2005 |
| 6898557 | System and method for remote testing of components A system and method are disclosed for remote testing of items where the tests are performed at a first site and monitored and controlled at a second site. A first remote test control station at the first site includes a test bench device for testing the items, and a... | 05/24/2005 |
| 6891851 | Method and apparatus for communicating maintenance messages and/or test messages of digital subscriber line services A subscriber's data circuit between channel bank and the customer premises carries fractional T1 bandwidth on a digital subscriber line (DSL) circuit. For example, for an ISDN rate digital subscriber line (IDSL), the circuit between the network termination at the cu... | 05/10/2005 |
| 6879827 | Testing a communication network with a shared test port A system for testing a communication network includes a test system and a cross-connect system. The test system generates a plurality of independent low data rate test signals with first data rates. The test system combines the independent low data rate test signals... | 04/12/2005 |
| 6873623 | System and method for overlaying DSL access multiplexer onto existing access systems A digital subscriber line access multiplexer overlay onto a digital loop carrier system for transporting high speed digital data over an existing backplane which carries voice, data, and test signals between voice line cards and a carrier line. The voice signals are... | 03/29/2005 |
| 6867707 | Automated on-site meter registration confirmation using a portable, wireless computing device The invention is directed to a method and system for verifying an installation of an meter, for example, an electric power meter. The inventive method includes identifying the electric power meter to a central computer using a mobile computing device. The electric p... | 03/15/2005 |
