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Tymphany Hk Limited patents


Recent patent applications related to Tymphany Hk Limited. Tymphany Hk Limited is listed as an Agent/Assignee. Note: Tymphany Hk Limited may have other listings under different names/spellings. We're not affiliated with Tymphany Hk Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tymphany Hk Limited-related inventors


Acoustic waveguide for audio speaker

A portable audio system includes a housing defining a common acoustic cavity a woofer disposed at a first end of the housing in the common acoustic cavity and a tweeter disposed at a second end of the housing, opposite to the first end, in the common acoustic cavity facing the woofer. A waveguide is disposed in the common acoustic cavity between the woofer and the tweeter to separate the woofer and the tweeter. ... Tymphany Hk Limited

Loudspeaker having passive heat dissipation assembly

A loudspeaker including a first housing which delimits a acoustic chamber, an acoustic driver disposed within the acoustic chamber, a second housing which delimits a second chamber disposed adjacent to the acoustic chamber, a heat source disposed within the second chamber, a passive radiator disposed in communication with the acoustic chamber and the second chamber, a vent disposed in communication with the second chamber and with an exterior of the loudspeaker, wherein the passive radiator is configured to move in response to a movement of the driver, where the passive radiator is further configured to direct an airflow proximate to the heat source during the movement of the passive radiator and to direct the airflow through the vent to the exterior of the loudspeaker.. . ... Tymphany Hk Limited

Class-d power amplifier nested inside low-noise differential op-amp feedback loop

An amplifier system includes a class-d power amplifier integrated circuit (ic) that is nested inside a feedback loop of a low noise differential operational amplifier (op-amp).. . ... Tymphany Hk Limited

Method for estimating the battery life of battery-powered audio systems by means of an amplitude modulated broadband audio signal

Aspects of present disclosure relate to a test signal generator, a method for estimating the battery life of battery-powered audio products by means of a test signal simulating effects of music, and a computer program product for generating a test signal simulating the effects of music. The method may include at least one of: extracting, by a test signal generation controller, one or more general characteristics of music, transmitting, by the test signal generation controller, the one or more general characteristics of music generated to a graphical user interface of a test signal generator, processing, by one or more music characteristics simulators, a white noise signal generated by a white noise generator of the test signal generator according to the one or more general characteristics of music to generate the test signal, and providing the formed test signal through a test signal output device of the test signal generator.. ... Tymphany Hk Limited

Loudspeaker assembly

A speaker waveguide includes a first orifice arranged about a rotational axis of the waveguide, a waveguide region that extends radially outwardly from the first orifice, and a bracket region defining a second orifice and a third orifice.. . ... Tymphany Hk Limited

Audio and video projection system

A portable audio video system, includes a cabinet having a first space and a second space, a video projection unit arranged in the first space, a first speaker arranged in the second space, the first speaker operative to receive an audio signal from an audio source, and a first passive radiator assembly arranged in the second space.. . ... Tymphany Hk Limited

Closed acoustical architecture having a controlled leakage

An acoustical device includes a housing operative to be placed proximate to an ear of a wearer and a front volume partially defined by the housing. A controlled leakage path is disposed to acoustically and selectively couple the front volume of the housing with an exterior of the device.. ... Tymphany Hk Limited

Multiple knob structure

The invention provides a new-type multiple knob structure comprising a knob top module, a bearing module and a knob bottom module. Thereinto, a knob top module includes head cover, silicone keyboard and head annular pcb from top to bottom; a bearing module includes bearing holder and bearing; a knob bottom module includes bottom cover and bottom pcb. ... Tymphany Hk Limited

High current low-cost dc coupled dac follower low pass filter headphone amplifier

A digital-to-analog converter (dac) circuit includes a pair of output stages, each including a dac configured to convert a digital audio signal into an analog audio signal. A low-pass filter circuit includes an operational amplifier in signal communication with the dac. ... Tymphany Hk Limited

Switchless line-di/mic pre-amplifier input

A switchless pre-amplifier input circuit includes an audio input connector that receives a first audio device operable at a first impedance and a second audio device operable at a second impedance less than the first impedance. A preamplifier circuit outputs a preamplified audio signal in response to amplifying a first audio signal generated by the first audio device or a second audio signal generated by the second audio device. ... Tymphany Hk Limited

Pre-amplifier circuit including microphone pre-amplifier stage

A pre-amplifier circuit including a microphone pre-amplifier stage with a direct injection (di) unit that provides a high impedance source signal and a low impedance xlr connection operable without a line or mic switch.. . ... Tymphany Hk Limited

Booster circuit including dynamically sliding power supply unit

A dynamic boost audio system includes a booster circuit having a dynamically sliding power supply unit (psu) capable of outputting power among a plurality of different power levels. The booster circuit is configured to identify a real-time audio level of an audio signal, and automatically adjust the power to the power level such that the audio signal is output in response to the real-time audio level.. ... Tymphany Hk Limited








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