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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


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... 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... 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... 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

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... 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. The operation amplifier generates a filtered analog signal based... 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... Tymphany Hk Limited








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Tymphany Hk Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Tymphany Hk Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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