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For the Inventor, By the Inventor

Hsinchu, Taiwan

Ming-Cheng Chiang

USPTO Granted Patents = 20

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 45(Granted Patents)


Company Filing History:

goldMedal19 out of 3,085 
 
Realtek Semiconductor Inc.
 patents
silverMedal1 out of 360 
 
Sunplus Technology Co., Ltd.
 patents

Years Active: 2001-2018

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20 patents (USPTO):Explore Patents
1. 9973160 - Amplifier device (2018-05-15),
2. 9826312 - Circuit and method for driving a loudspeaker (2017-11-21),
3. 9826305 - Controlling voltage of a speaker based on temperature (2017-11-21),
4. 9813057 - Sampling circuit and sampling method (2017-11-07),
5. 9621157 - Sampling circuit and sampling method (2017-04-11),
6. 9287888 - Converter with an additional DC offset and method thereof (2016-03-15),
7. 9287841 - Gain control circuit and method capable of easing leakage current influence (2016-03-15),
8. 8923466 - Multi-phase clock switching device and method thereof (2014-12-30),
9. 8866656 - Hybrid digital-to-analog converter and method thereof (2014-10-21),
10. 8577297 - Signal transceiving circuit and noise reduction circuit (2013-11-05),
11. 8390263 - Soft-start circuit having a ramp-up voltage and method thereof (2013-03-05),
12. 8125811 - Content-addressable memory (2012-02-28),
13. 8059440 - Content-addressable memory (2011-11-15),
14. 7701284 - Line driver capable of automatically adjusting output impedance (2010-04-20),
15. 7492225 - Gain-controlled amplifier (2009-02-17),

Title: Invention Spotlight: Ming-Cheng Chiang

Introduction: Ming-Cheng Chiang, based in Hsinchu, Taiwan, is a prolific inventor with an impressive portfolio of 20 patents. His innovative contributions primarily span the fields of audio technology and amplifier devices, showcasing his expertise and dedication to advancing electronic design.

Latest Patents: Among his latest inventions is an advanced amplifier device. This invention comprises an amplifier circuit, a feedback circuit, and a filter circuit. The amplifier circuit is designed to process an input signal alongside a filtered signal, ultimately producing differential output signals. The feedback circuit ensures that the direct current (DC) voltage levels of the output signals are maintained at a predetermined voltage, while the filter circuit enables low-pass filtering of the input or differential signals to generate the filtered output.

Another noteworthy patent focuses on controlling the voltage of a speaker based on temperature. This innovative audio device integrates a digital-to-analog converter, an amplifier, a speaker, a power management unit, and a temperature sensor. The temperature sensor produces a detection signal according to the speaker's temperature, allowing the power management unit to adjust the working voltages for both the amplifier and the digital-to-analog converter accordingly.

Career Highlights: Ming-Cheng has had a significant impact in the electronics industry through his work with esteemed companies like Realtek Semiconductor Inc. and Sunplus Technology Co., Ltd. His focus on audio technology and amplifier innovation has influenced developments in the electronic devices market.

Collaborations: Throughout his career, Ming-Cheng has collaborated with talented colleagues such as Li-Lung Kao and Chia-Chi Tsai, contributing to a wealth of knowledge and innovation in their field. These collaborations have allowed him to enhance his inventions further and foster an environment of creativity and progress.

Conclusion: Ming-Cheng Chiang continues to pave the way for new advancements in audio technology and amplifier devices with his innovative approach and dedication. His 20 patents stand as a testament to his vision and commitment to enhancing electronic performance, making him a remarkable figure in the realm of inventions.

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