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| Number | Title | Issue Date |
| 8041025 | Systems and arrangements for controlling modes of audio devices based on user selectable parameters Methods and arrangements for controlling modes of audio devices according to user selectable features are disclosed. The system can receive a user selection for an alternate mode for audio device. A monitor can monitor audio levels in a physical area and the system ... | 10/18/2011 |
| 7940921 | Continuous power transfer scheme for two-wire serial link The invention provides a single digital communication link between system-side and line-side circuitry in a DAA, capable both of carrying data signals and of transferring a substantial amount of power to the line-side circuitry. The invention comprises a system-side... | 05/10/2011 |
| 7660408 | Attenuation and termination circuit using impedance synthesis The present invention discloses circuits for isolating and attenuating signals generated by a telephone network. In disclosed embodiments, a metering pulse signal is isolated from the terminals of the connecting device, and then attenuated with an impedance that is ... | 02/09/2010 |
| 7430412 | Digitally programmable continuously variable precision microwave attenuator An apparatus (10) is disclosed for testing a receiver (18). The apparatus (10) includes a digitally controlled attenuator (30) and controls, including a programmable logic device (38), to control both the final value of attenuation... | 09/30/2008 |
| 7340230 | Receiver architectures utilizing coarse analog tuning and associated methods Receiver architectures and associated methods are disclosed that provide initial analog coarse tuning of desired channels within a received signal spectrum, such as a set-top box signal spectrum for satellite communications. These architectures provide significant a... | 03/04/2008 |
| 7310420 | Telephone headset amplifier with noise blanking capability The present invention is directed most particularly to wireless communication systems for interconnection with telephone systems, and more particularly to methods and apparatus to suppress unwanted and annoying audio spikes or bursts that infiltrate the wireless sys... | 12/18/2007 |
| 7286663 | Asymmetric digital subscriber line system capable of automatically controlling receipt gain and method thereof A digital communication system includes a transmitter and a receiver and communicates on telephone line. Receipt gain of the digital communication system is controlled in accordance with the following. Initialization signals generated at the transmitter and transfer... | 10/23/2007 |
| 7263184 | Method and apparatus for active reduction of speakerphone singing In a speakerphone device identification of signals (i.e., voice input or speaker output) in a process for reducing acoustic feedback, in a communication device, is accomplished by adding a signature noise (i.e., an identification mark) to output signals radiated by ... | 08/28/2007 |
| 7248690 | Voice signal clipping circuit and telephone set therewith A voice signal clipping circuit comprising, an amplifier which amplifies an input voice signal to a permissible level and a clipper which clips an amplitude component in excess of the permissible level from an output signal from the amplifier. ... | 07/24/2007 |
| 7245713 | Call monitoring Methods and systems are provided for monitoring calls routed to a telephone network-based voice mail system. When a subscriber receives a telephone call, a determination is made as to whether the call should be routed to the voice mail system. If call monitoring ser... | 07/17/2007 |
| 7233659 | Message playback concurrent with speakerphone operation A digital telephone answering device having speakerphone capability allows a recorded message to be played back and heard by the far-end party as well as over the local speakerphone by the near-end party during speakerphone operation as if it were a normal receive s... | 06/19/2007 |
| 7230554 | Noise suppression circuit, ASIC, navigation apparatus, communication circuit, and communication apparatus having the same The present invention provides an noise suppression circuit comprises an internal circuit which has a high and a low level terminals. The low level terminal is connected to a low level power supply (GND) line. The noise suppression circuit further comprises a first ... | 06/12/2007 |
| 7227933 | System and method for remote management of a DSL device Remote access and configuration of a digital subscriber line (DSL) device using a telephone line. From a remote location, an operator can access the DSL device and receive data, including an operational parameter regarding the device, and upload an operational param... | 06/05/2007 |
| 7224672 | XDSL modem A reception result of an analog signal transmitted from a local switch to a subscriber line, or a voltage difference corresponding to a line current is analyzed, and a transmission characteristic in the subscriber line is evaluated based on an analyzing result. The ... | 05/29/2007 |
| 7224794 | Transmitting message playback concurrent with speakerphone operation A digital telephone answering device having speakerphone capability allows a recorded message to be played back and heard by the far-end party as well as over the local speakerphone by the near-end party during speakerphone operation as if it were a normal receive s... | 05/29/2007 |
| 7215761 | Information processing terminal, operation content notifying program and method for operation content notifying An information processing terminal of the present invention notifies a user that a call receiving sound-level set by operating a rotary operation unit provided on a main body of the information processing terminal comes to a maximum or minimum value. ... | 05/08/2007 |
| 7197137 | Interface class discovery method and device Methods and devices of determining the interface class used on a communication pathway are disclosed. The method compares information derived from the communication pathway to information about known interface classes to determine whether the derived information is ... | 03/27/2007 |
| 7181505 | System and method for remote programming of an implantable medical device A method and corresponding system for updating or installing new software loaded into the memory of an implantable medical device(IMD) implanted within a body of a patient is described. The updated or new software may be installed in the memory of the IMD without th... | 02/20/2007 |
| 7177417 | Telephone handset with user-adjustable amplitude, default amplitude and automatic post-call amplitude reset The present invention is directed to a telecommunication device, usable with standard telecommunication equipment, that automatically resets one or more acoustic parameters to predetermined levels prior to the initiation of the next communication session. ... | 02/13/2007 |
| 7167694 | Integrated multi-tuner satellite receiver architecture and associated method Multi-tuner receiver architectures and associated methods are disclosed that provide initial analog coarse tuning of desired channels within a received signal spectrum, such as transponder channels within a set-top box signal spectrum for satellite communications. T... | 01/23/2007 |
| 7162029 | Gain or input volume controller and method utilizing a modified R2R ladder network A gain or input volume controller and method includes a modified R2R ladder network having a number of R2R branches, switches coupled respectively to the R2R branches, and a switch controller for respectively controlling the switches to control and provide an overal... | 01/09/2007 |
| 7162020 | Method and apparatus for selectively establishing communication with one of plural devices associated with a single telephone number A system for (and a method of) selectively establishing communication with one of plural devices associated with a single telephone number is provided. In a preferred embodiment, the system includes a wireless connect unit connected between an enterprise private bra... | 01/09/2007 |
| 7158619 | Remote call monitoring Methods and systems are provided for monitoring calls routed to a telephone network voice mail system from a variety of remote telephone locations. When a subscriber receives a telephone call, a determination is made as to whether the subscriber's line is busy or wh... | 01/02/2007 |
| 7155388 | Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization A method for characterizing inhalation noise within a pressurized air delivery system, the method including the steps of: generating an inhalation noise model (912, 1012) based on inhalation noise; receiving an input signal (802) that includes inhalati... | 12/26/2006 |
| 7142665 | Automatic gain control for an adaptive finite impulse response and method therefore Methods and apparatus are provided for an echo cancellation system. The echo cancellation system comprises an automatic gain control (AGC), a first scalar, a second scalar, a signal summing stage, and an adaptive filter. The AGC is responsive to a first signal in a ... | 11/28/2006 |
| 7142894 | Mobile phone for voice adaptation in socially sensitive environment This invention describes a mobile phone with a means of measuring a background sound level of an environment. When a user either initiates or receives a phone call, sound levels before and during the call are compared. Once it is decided that the voice is too loud b... | 11/28/2006 |
| 7139393 | Environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level A level of a sound signal including a voice signal and an environmental noise signal is detected and a level (power level) is sampled in response to a clock signal. It is detected whether the presently sampled level increases from the previously sampled level. An en... | 11/21/2006 |
| 7139552 | Mailbox answerphone service for mobile communications A service module is provided for use in a mobile communications system. The service module provides services to a calling user such as an answering service comprising several individual mailboxes. In various situations, the service module can automatically forward a... | 11/21/2006 |
| 7139378 | Method for signaling an incoming call According to the inventive method, an incoming call that is directed to a subscriber terminal (Tln 1) allocated to a subscriber group (Tln1 to Tln n) is signaled to the subscriber terminal (Tln 1) called and additionally to at least one subscrib... | 11/21/2006 |
| 7130413 | Microprocessor-controlled full-duplex speakerphone using automatic gain control A near full duplex portable handset speakerphone comprises: a microprocessor; a hands-free receive register connected to the microprocessor; a hands-free transmit register connected to the microprocessor; a ROM having a speakerphone operation algorithm, the ROM-conn... | 10/31/2006 |
| 7127624 | Energy detect with auto pair select Energy detect with auto pair select. The present invention is operable without ‘a priori’ knowledge of the pairs' connectivity. In addition, the present invention is operable within systems performing automatic detection of connectivity in systems that employ th... | 10/24/2006 |
| 7123936 | Cellular phone with expansion memory for audio and video storage A cellular telephone includes an internally integrated digital entertainment module. The telephone includes a transceiver unit and a headset which is connected to the transceiver unit by wired or wireless link. The entertainment module includes an interchangeable RO... | 10/17/2006 |
| 7116976 | Adaptable communication techniques for electronic devices Improved approaches for users of electronic devices to communicate with one another are disclosed. The electronic devices have audio and/or textual output capabilities. The improved approaches can enable users to communicate in different ways depending on device con... | 10/03/2006 |
| 7110558 | Systems and methods for automatically adjusting the volume of an audio source A system adjusts audio levels so as to maintain a constant perceived audio level at a user's location. The system includes a sensor (110) and an audio device (120). The sensor (110) receives a first audio signal, receives at least one data packe... | 09/19/2006 |
| 7106839 | System for providing analog and digital telephone functions using a single telephone line An improved telecommunication device for simultaneous and independent communication of analog signals and digital data is disclosed. Processing of analog signals enables functions including, for example, message saver, speaker phone, caller identification and fax. P... | 09/12/2006 |
| 7103176 | Direct coupling of telephone volume control with remote microphone gain and noise cancellation The present invention creates a method, apparatus and system by which a telephone unit volume control provides instantaneous coupling to and controlling of a connected telephone unit's microphone gain and noise cancellation circuitry. With this invention, an increas... | 09/05/2006 |
| 7092511 | Telephone for retrieving memory content through simple operation A telephone enabling a user to search a telephone directory using a simple and trouble-free operation. The telephone has a storage unit for storing names to be called and corresponding telephone numbers, and an operating unit including a plurality of numeric ... | 08/15/2006 |
| 7092514 | Audibility enhancement An apparatus for enhancing audibility of a far-end speech signal from a far-end user to a near-end user in a telephony system includes a near-end background noise signal level estimator (26) at the near-end user. A near-end speech signal level estimator (2... | 08/15/2006 |
| 7092513 | Limiting maximum gain in duplex communications devices including telephone sets Duplex communication methods and systems with maximum gain limiting such as in telephone handsets and speaker phones are disclosed. The communications system such as a telephone set may generally include a digital signal processor (DSP) having a receive and transmit... | 08/15/2006 |
| 7079645 | Speaker volume control for voice communication device A system and method for adjusting the volume level of a communications device in response to ambient noise. In one embodiment, ambient noise is sampled once and the volume of a speaker associated with the communications device is increased to, and maintained at, a l... | 07/18/2006 |
