Company Filing History:
Years Active: 2014-2015
Title: Oliver Gelhard: Innovator in Audio Technology
Introduction
Oliver Gelhard is a prominent inventor based in Hannover, Germany. He has made significant contributions to the field of audio technology, particularly in the development of advanced headsets and earphones. With a total of 2 patents to his name, Gelhard continues to push the boundaries of sound reproduction and noise reduction.
Latest Patents
Gelhard's latest patents include innovative designs for headsets and earphones. The first patent describes a headset or earphone equipped with an electro-acoustic reproduction transducer featuring an oscillator coil arranged in an axis. This design incorporates an amplifier connected to the transducer, along with a magnetic interference sensor that measures magnetic interference fields. A correction unit analyzes the sensor's output and produces a compensation signal, which is then added to the input signal before being sent to the amplifier.
The second patent outlines an entertainment system that includes at least one seat and an electronic unit for active noise reduction. This system features headphones with an electro-acoustic reproduction transducer and a microphone for recording interference signals. An adjusting unit with an active filter corrects the frequency response of the microphone's output signal, enabling effective noise reduction.
Career Highlights
Oliver Gelhard is currently employed at Sennheiser Electronic GmbH & Co. KG, a leading company in audio technology. His work at Sennheiser has allowed him to collaborate with other talented professionals in the industry, further enhancing his contributions to audio innovation.
Collaborations
One of Gelhard's notable coworkers is Christian Grone, with whom he has worked closely on various projects. Their collaboration has led to advancements in audio technology, particularly in the areas of headset and earphone design.
Conclusion
In summary, Oliver Gelhard is a dedicated inventor whose work in audio technology has resulted in valuable patents that enhance sound quality and user experience. His contributions at Sennheiser Electronic GmbH & Co. KG continue to shape the future of audio innovation.