Company Filing History:

4 out of 117

Wolfson Microelectronics Limited

Cirrus Logic International Semiconductor Limited

patents

Years Active: 2012-2018

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9872103 - Microphone biasing circuitry and method thereof (2018-01-16),

2. 9661434 - Microphone biasing circuitry and method thereof (2017-05-23),

3. 9490765 - Microphone biasing circuitry and method thereof (2016-11-08),

4. 9300212 - DC-DC converters operable in a discontinuous switching mode (2016-03-29),

5. 9148722 - Microphone biasing circuitry and method thereof (2015-09-29),

6. 8699726 - Apparatus and method for biasing a transducer (2014-04-15),

7. 8541993 - DC-DC converters operable in a discontinuous switching mode (2013-09-24),

8. 8508288 - Charge pump circuit and methods of operation thereof (2013-08-13),

9. 8264273 - Charge pump circuit and methods of operation thereof (2012-09-11),

Title: The Innovations of Douglas James Wallace MacFarlane

Introduction: Douglas James Wallace MacFarlane is an esteemed inventor located in Edinburgh, GB, known for his significant contributions to audio technology. With a remarkable portfolio of 9 patents, he has pioneered innovative solutions that enhance the functionality and performance of audio devices.

Latest Patents: Among his latest patents is the invention of microphone biasing circuitry and method thereof. This invention presents a host device designed for use with a removable peripheral apparatus equipped with a microphone. The biasing circuitry ensures that the microphone receives an electrical bias through a dedicated biasing path, which is controlled by detection and control circuitry. The design incorporates a capacitor between the reference voltage and the biasing path, enhancing the reliability of the audio input.

Career Highlights: MacFarlane's career spans significant tenures at prominent companies in the audio technology industry, notably Wolfson Microelectronics Limited and Cirrus Logic Inc. His work has consistently focused on improving audio signal processing and device connectivity, establishing him as a thought leader in his field.

Collaborations: Throughout his career, MacFarlane has collaborated with notable professionals, including Andrew James Howlett and Graeme Gordon Mackay. These partnerships have facilitated the advancement of innovative technologies in the audio sector, showcasing the power of teamwork in the pursuit of groundbreaking inventions.

Conclusion: Douglas James Wallace MacFarlane's contributions to the field of audio technology are highly commendable. With 9 patents to his name, his latest inventions in microphone biasing circuitry exemplify his innovative spirit and dedication to enhancing the listening experience. As he continues to pursue new ideas, his work will undoubtedly leave a lasting impact on the industry.

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