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| Number | Title | Issue Date |
| 8068605 | Programmable keypad A device may include logic configured to process a request for a keypad layout, and to provide a keypad layout via keypad display in response to the processed request. ... | 11/29/2011 |
| 8014514 | Communication terminal device adapted to physical characteristics of telecommunication network and method for adapting communication terminal device to physical characteristic of telecommunication network The communication terminal device includes a handset, a central controller, a telephone network adaptor unit for converting analog signals transmitted/received between telecommunication network and the communication terminal device into digital signals, an interface... | 09/06/2011 |
| 8014515 | Communication terminal device adapted to physical characteristics of telecommunication network and method for adapting communication terminal device to physical characteristics of telecommunication network The communication terminal device includes a handset, a central controller, a telephone network adaptor unit for converting analog signals transmitted/received between telecommunication network and the communication terminal device into digital signals, an interface... | 09/06/2011 |
| 7970120 | Cell phone based animal sound imitation A cell phone based sound producing device is a sound producing device that takes advantage of the likelihood that a user is already carrying a cell phone and does not need to also carry an electronic sound producing device. Another advantage is that cell phones are ... | 06/28/2011 |
| 7970121 | Tone, modulated tone, and saturated tone detection in a voice activity detection device In a voice activity detection (VAD) device a method for defining tone signals comprises defining a threshold for zero amplitude change, calculating a zero crossing rate of a signal, extracting a set of parameters from a plurality of duration periods of the signal, d... | 06/28/2011 |
| 7965833 | Febrile convulsion alarm A device and method for detecting febrile convulsions, the device including a detector for detecting motion of the device and providing an output corresponding thereto, a capacitor coupled to the detector and charged by the output of the detector, a resistor coupled... | 06/21/2011 |
| 7949124 | Information processing apparatus, control method for the same, program and storage medium An information processing apparatus that generates private information used as one of an encryption key for encrypting data or a generation key for generating falsification detection information used in detecting falsification of data, comprises a storage unit adapt... | 05/24/2011 |
| 7634079 | Telephone terminal and method for supplying power to the same A telephone terminal includes: a main unit; an optional unit that performs an arbitrary additional communication function and detachably attached to the main unit; a distribution unit that distributes a drive power supplied through a communication network into a fir... | 12/15/2009 |
| 7634078 | Communication terminal device adapted to physical characteristics of telecommunication network and method for adapting communication terminal device to physical characteristics of telecommunication network The communication terminal device includes a handset, a central controller, a telephone network adaptor unit for converting analog signals transmitted/received between telecommunication network and the communication terminal device into digital signals, an interface... | 12/15/2009 |
| 7536004 | Signaling system Standard telephone handset ports provide a bias voltage for any attached peripheral devices. The present invention provides bi-directional control signaling where telephone sets vary the bias voltage for detection by peripheral devices and where the peripheral devic... | 05/19/2009 |
| 7412044 | Instant messaging to and from PBX stations The present invention is directed to a message interfacing agent 224 enables a circuit-switched communication device 106, such as a telephone, to receive and respond to electronic messages and the feature server 228 enables external endpoints to... | 08/12/2008 |
| 7388955 | Combine audio and ringing mode A circuit where the same amplifiers and the same volume adjustment circuitry are used for the ringer mode as well as for the audio mode of a mobile phone is achieved. The volume adjustment in the audio and ringer mode is provided by a precise amplitude setting via t... | 06/17/2008 |
| 7386118 | Micro modem A miniaturized modem system including a modem chip on a board and a DAA chip on another board mounted together so that the boards face one another thereby substantially reducing the size of the system. The arrangement satisfies the requirement of the FCC for maintai... | 06/10/2008 |
| 7365547 | Circuit arrangement for a corrosion protection current feed and for a line test for two-wire lines A circuit arrangement for a line test and for feeding a corrosion protection current into a two-wire line comprises a controllable ramp generator for producing a ramp voltage, at least one first test impedance to be connected to a first line of a two-wire line, at l... | 04/29/2008 |
| 7340070 | Voice-data processing circuit and voice-data processing method When selecting a specific input source that can be processed by only a second voice-data processing unit instead of an input source currently being processed by a first voice-data processing unit, a voice-data processing circuit selects and delivers an input source ... | 03/04/2008 |
| 7330739 | Method and apparatus for providing a sidetone in a wireless communication device A wireless communication device is disclosed that provides a sidetone to the device user. The device converts an outbound analog audio signal to an outbound audio bitstream from which a sidetone bitstream is extracted. The device also converts an inbound digital aud... | 02/12/2008 |
| 7327840 | Loudspeaker telephone equalization method and equalizer for loudspeaker telephone An equalizer for a loudspeaker telephone includes a signal generator for generating a reference signal for broadcast by a loudspeaker of the loudspeaker telephone. A filter alters the frequency response of signals prior to broadcast by the loudspeaker. During set-up... | 02/05/2008 |
| 7304563 | Alarm clock A mobile communication terminal comprising: a clock for maintaining an indication of the current time; a memory for storing a definition of an alert time; and an alerting unit configurable to issue an alert when the current time matches the alert time, the alerting ... | 12/04/2007 |
| 7305068 | Telephone communication with silent response feature A telephone call may be received or made by the user of telephony-enabled apparatus in circumstances, such as during a meeting, where spoken responses by the user to what the other party to the call has said are unacceptable. A telephony method and arrangement are d... | 12/04/2007 |
| 7302053 | System and method for providing a communication session A communications system includes a plurality of service providers, and at least one management unit, wherein the at least one management unit selects at least one service provider of the plurality of service providers and utilizes at least one service of the at leas... | 11/27/2007 |
| 7302055 | Discharging envelope detector A receiver to detect pulses on a home phone wiring network using envelope detection. The receiver comprises an integrating capacitor charged by a first current source responsive to a differential signal propagated on the wiring network, and discharged by a FET in co... | 11/27/2007 |
| 7293103 | Enhanced channel access mechanisms for a HPNA network A method and a system is disclosed for providing access in a centralized manner to a communications medium that is suitable for allowing use of a plurality of Home Phoneline Network Association (HPNA) v2 frames. A plurality of messages are transmitted between a firs... | 11/06/2007 |
| 7283635 | Headset with memory A headset having a built-in memory to store parameter settings relating to headset performance characteristics such as headphone(s) and/or microphone performance characteristics. The performance characteristics can be measured during headset production and stored in... | 10/16/2007 |
| 7272224 | Echo cancellation A method, apparatus, system, and signal-bearing medium that in an embodiment determine a degree of correlation between a speaker output signal and a microphone input signal and modulate an adaptive gain of an acoustic echo canceller based on the degree of correlatio... | 09/18/2007 |
| 7272563 | Personal computer and scanner for generating conversation utterances to a remote listener in response to a quiet selection A user conducts a telephone conversation without speaking. It does this by moving the participant in the public situation to a quiet mode of communication (e.g., keyboard, buttons, touchscreen). All the other participants are allowed to continue using their usual au... | 09/18/2007 |
| 7268993 | Integrated protector and splitter A method and five pin integrated protector and splitter module are provided for use at a protector panel of a facility for housing telephone-related equipment, where the module is capable of being used in conjunction with at least a broadband MODEM separate from a d... | 09/11/2007 |
| 7260214 | Programmable subscriber line circuit partitioned into high voltage interface and digital control subsections A subscriber line interface circuit has a battery-powered, high voltage analog section, that drives tip and ring lines of a subscriber loop, and a mixed signal (low voltage and digital signal processing) section, that monitors and controls the high voltage analog se... | 08/21/2007 |
| 7260103 | Mode-dependent, multiple bias-driven battery switch for subscriber line interface circuit A mode-dependent, battery-coupling switch for a subscriber line interface circuit (SLIC) selectively adjusts its current requirements to provide optimal current handling capability irrespective of the mode of operation of the SLIC. Where current demands of the SLIC ... | 08/21/2007 |
| 7248835 | Method for automatically switching a profile of a mobile phone A method for automatically switching a profile of a mobile phone includes measuring a current environmental noise value of ambient noise surrounding the mobile phone. The current environmental noise value is then compared to a predetermined noise value, and a noise ... | 07/24/2007 |
| 7245710 | Teleconferencing system A teleconferencing system comprises a conference bridge having a multichannel connection to each customer equipment. The customer equipment has a unit to separately process each channel to provide one output representing each of the other participants. These outputs... | 07/17/2007 |
| 7245637 | Methods and apparatus for suppressing signaling tones in telephony signal In some embodiments, a method includes detecting a tone in each data frame of a sequence of telephony signal data frames. A first data frame of the sequence of telephony signal data frames may be transmitted immediately after detecting the tone therein. Transmission... | 07/17/2007 |
| 7242784 | Dynamic gain control of audio in a communication device A method for dynamically controlling audio signal gain in a communication device starts with determining a level of an input audio signal. The level is then mapped against a table of predetermined corresponding gain targets to determine an appropriate gain target fo... | 07/10/2007 |
| 7239694 | Integrated circuit configurations and methods for providing functions for public telephones Circuit configurations designed for use with public telephones to provide standard telephone functions with higher reliability, lower cost, and lower packaging densities, include first and second channel means for providing both transmit and receive multiplexing con... | 07/03/2007 |
| 7227944 | Echo reduction for a headset or handset The present invention provides an echo reduction apparatus, system, and method that advantageously reduces echo when communicating over packet-switched networks. An echo reduction apparatus, including echo reduction circuit, operably couples a headset or handset dev... | 06/05/2007 |
| 7221959 | System and method for determining, storing and utilizing operating mode data of a user telecommunication terminal A system and method for determining, storing and utilizing terminal operating mode data in a telecommunication system, in which the user can selectively set his terminal into two or more distinct operating modes. When the operating mode of the user's terminal is cha... | 05/22/2007 |
| 7221966 | Wireless communication systems for masks or helmets Various types of wireless communication systems for masks or helmets can be mounted externally or internally on a mask. Different types of microphones can be employed, for example, a bone-conducting microphone or a directional microphone. Ear speakers mounted at var... | 05/22/2007 |
| 7218728 | Telephone terminal device A power source is turned on by pressing a power source button in a key input part. Then, a telephone number is inputted from the ten keys in the key input part so that the telephone number is stored in a telephone number temporary memory part. After pressing a commu... | 05/15/2007 |
| 7206405 | Enhanced high voltage interface for partitioned subscriber line interface circuit A subscriber line interface circuit contains a high voltage analog section, and a low voltage and digital signal processing section, that monitors and controls the high voltage analog section. The high voltage analog section includes a dual mode tip/ring amplifier u... | 04/17/2007 |
| 7200196 | Interpolation based timing recovery The present invention provides a solution that eliminates both the voltage-controlled oscillator (“VXCO” 105) and its associated D/A converter (120) from the timing recovery scheme, thereby significantly reducing manufacturing costs for modems, suc... | 04/03/2007 |
| 7200212 | Decoding and processing system for advanced determination and display of city and state caller information An improved decoding and processing system is provided for advanced determination and display of geographic information to a called party relating to the call origination party. The improved system comprises a receiving means to receive the calling number delivery (... | 04/03/2007 |
