Patent application number | Description | Published |
20090243701 | Power Supply with Digital Control Loop - One embodiment of an apparatus for switching a transistor includes a first current mirror providing i | 10-01-2009 |
20090273238 | POWER SOURCING EQUIPMENT DEVICE INCLUDING A SERIAL INTERFACE - In a particular embodiment, a circuit device is disclosed that includes a power sourcing equipment (PSE) circuit having a plurality of high-voltage line circuits adapted to communicate with a respective plurality of powered devices via network cables. The PSE circuit includes a serial interface circuit and includes a common controller coupled to the serial interface circuit and to the plurality of high-voltage line circuits. The circuit device also includes a low-voltage circuit having a programmable controller adapted to transmit control signals to the common controller via the serial interface circuit to control operation of the plurality of high-voltage line circuits. | 11-05-2009 |
20100007334 | POWER SOURCING EQUIPMENT DEVICE AND METHOD OF PROVIDING A POWER SUPPLY TO A POWERED DEVICE - In a particular embodiment, a power sourcing equipment (PSE) device includes a plurality of network ports adapted to communicate data and to selectively provide power to one or more powered devices via a plurality of channels. The PSE device further includes a plurality of sense elements, where each sense element is coupled to a respective network port of the plurality of network ports. The PSE also includes a power sensing circuit having an analog-to-digital converter (ADC) adapted to be selectively coupled to a selected network port of the plurality of network ports. The power sensing circuit selectively measures at least one electrical parameter associated with the selected network port. | 01-14-2010 |
20100066169 | CIRCUIT DEVICE INCLUDING MULTIPLE PARAMETERIZED POWER REGULATORS - In a particular embodiment, a circuit device includes a plurality of programmable voltage regulator circuits adapted to produce one or more unique power supplies. Each programmable voltage regulator circuit includes a power supply output terminal and a base regulator circuit module that has multiple configurable parameters to support a plurality of regulator configurations. The base regulator circuit module includes a plurality of leads. Each programmable voltage regulator circuit further includes selected circuitry coupled to the plurality of leads and to the power supply output terminal. The selected circuitry is adapted to cooperate with the base regulator circuit module to provide a selected type of regulator circuit and to apply a power supply to the power supply output terminal. | 03-18-2010 |
20100077245 | SYSTEM AND METHOD OF CLASSIFICATION IN POWER OVER ETHERNET SYSTEMS - A method is disclosed that includes receiving a classification voltage at a powered device from a network. The classification voltage includes a baseline voltage level that is below an operating voltage range of the powered device and includes a sequence of distinct signal elements derived from the classification voltage. The method further includes detecting a number of signal elements of the sequence of distinct signal elements. A current is drawn until the number of signal elements exceeds a predetermined number. | 03-25-2010 |
20100293399 | SYSTEM AND METHOD OF CLASSIFICATION IN POWER OVER ETHERNET SYSTEMS - A method is disclosed that includes receiving a classification voltage at a powered device from a network. The classification voltage includes a baseline voltage level that is below an operating voltage range of the powered device and includes a sequence of distinct signal elements derived from the classification voltage. The method further includes detecting a number of signal elements of the sequence of distinct signal elements. A current is drawn until the number of signal elements exceeds a predetermined number. | 11-18-2010 |
20100314939 | POWER SOURCING EQUIPMENT DEVICE INCLUDING A SERIAL INTERFACE - In a particular embodiment, a circuit device is disclosed that includes a power sourcing equipment (PSE) circuit having a plurality of high-voltage line circuits adapted to communicate with a respective plurality of powered devices via network cables. The PSE circuit includes a serial interface circuit and includes a common controller coupled to the serial interface circuit and to the plurality of high-voltage line circuits. The circuit device also includes a low-voltage circuit having a programmable controller adapted to transmit control signals to the common controller via the serial interface circuit to control operation of the plurality of high-voltage line circuits. | 12-16-2010 |
20110176697 | Hearing Aids, Computing Devices, and Methods for Hearing Aid Profile Update - A method includes receiving a data at a hearing aid during operation of the hearing aid and selectively updating a hearing aid profile in response to receiving the data to produce a modified hearing aid profile. The method further includes applying the modified hearing aid profile using a processor of the hearing aid to shape an audio output. | 07-21-2011 |
20110194713 | HEARING AID HAVING MULTIPLE SOUND INPUTS AND METHODS THEREFOR - A multi-mode hearing aid includes a processor that is configured to selectively apply different hearing aid profiles to different input signals, such as a first sound signal received from a microphone and a second sound signal received from a transceiver, to produce first and second shaped output signals. The processor is configured to produce an output signal including at least one of the first shaped output signal and the second shaped output signal. | 08-11-2011 |
20110200215 | HEARING AID, COMPUTING DEVICE, AND METHOD FOR SELECTING A HEARING AID PROFILE - A hearing aid includes a microphone to convert sounds into electrical signals, a transceiver configured to communicate with a computing device through a wireless communication channel, and a processor coupled to the microphone and the transceiver. The hearing aid further includes a memory accessible to the processor and configured to store a table including plurality of hearing aid profile identifiers (IDs). Each of the plurality of hearing aid profile IDs corresponds to a respective one of a plurality of hearing aid profiles. The memory stores instructions that, when executed by the processor cause the processor to identify a hearing aid profile ID from the table based on a sound sample, retrieve a hearing aid profile from the computing device using the hearing aid profile ID, and apply the hearing aid profile to modulate an audio output signal. | 08-18-2011 |
20120183163 | Portable Electronic Device and Computer-Readable Medium for Remote Hearing Aid Profile Storage - A portable electronic device includes a transceiver configurable to communicate with a hearing aid through a radio frequency (RF) communication channel and a memory configured to store a plurality of hearing aid profiles executable by a digital signal processor of the hearing aid to shape audio signals to compensate for a user's hearing deficiency. The portable electronic device further includes a circuit configured to receive a selection corresponding to a selected one of the plurality of hearing aid profiles and to provide the selected one to the hearing aid in response to receiving the selection. | 07-19-2012 |
20120288119 | Portable Tone Generator for Producing Pre-Calibrated Tones - A portable tone generator includes a connector configurable to couple to an input/output port of a computing device, a memory configured to store data corresponding to a plurality of frequencies, and an output interface configurable to couple to a speaker system. The portable tone generator further includes tone generating circuitry coupled to the input interface, the output interface, and the memory. The tone generating circuitry is configured to receive a control signal from the computing device identifying a selected frequency of the plurality of frequencies, retrieve the data corresponding to the selected frequency, produce an output signal including a tone based on the data in response to receiving the control signal, and provide the output signal to the output interface. | 11-15-2012 |
20130177188 | SYSTEM AND METHOD FOR REMOTE HEARING AID ADJUSTMENT AND HEARING TESTING BY A HEARING HEALTH PROFESSIONAL - A system for establishing a communications to communicate with a hearing health professional, providing data related to hearing aid settings to the hearing health professional, receiving a hearing aid profile in response to providing the data, and providing the hearing aid profile to a hearing aid through a second communication link. | 07-11-2013 |
20140003641 | HEARING AID AND HEARING AID DUAL USE DONGLE | 01-02-2014 |