This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 1979.
Company Filing History:
2 out of 834,411 Years Active: 1979
Title: Eduard Marthaler: Innovator in Tonearm Technology
Introduction
Eduard Marthaler is a notable inventor based in Zurich, Switzerland. He has made significant contributions to the field of audio technology, particularly in the design of tonearms for record players. With a total of 2 patents, Marthaler's innovations have enhanced the listening experience for audiophiles around the world.
Latest Patents
Marthaler's latest patents focus on advanced bearing arrangements for record player tonearms. The first patent describes a short pickup arm designed for a tangential scanning system. This arm is supported by a single jewel thrust bearing and stabilized against sideways tilting by a pair of attracting magnets. This design allows the arm to move freely in both parallel and perpendicular planes relative to the record grooves. The center of gravity is strategically placed to minimize the impact of external disturbances.
The second patent also pertains to a short tonearm, which is guided to remain tangential to the grooves of the record. This tonearm is balanced on a single point bearing, with a phono cartridge on one side and a counterweight on the other. A permanent magnet on the tonearm interacts with a stationary magnet to maintain vertical stability. An innovative feature of this design is the inclusion of a winding in the stationary magnet, allowing for control of the tonearm's height and stylus pressure through direct current. This ensures that the tonearm can be raised to a rest position when not in use, preventing potential damage to records.
Career Highlights
Throughout his career, Eduard Marthaler has focused on refining audio technology, particularly in the realm of record players. His patents reflect a deep understanding of the mechanics involved in tonearm design and the importance of precision in audio playback. His work has garnered attention for its innovative approach to solving common issues faced by audiophiles.
Collaborations
Marthaler has collaborated with Paul Zwicky, contributing to the development of advanced audio technologies. Their partnership has led to significant advancements in the field, showcasing the importance of teamwork in innovation.
Conclusion
Eduard Marthaler's contributions to tonearm technology have made a lasting impact on the audio industry. His innovative designs and patents continue to influence the way music is experienced, ensuring that audiophiles enjoy high-quality sound reproduction.