Company Filing History:

7 out of 519

Ampex Corporation

Kudelski Sa Fabrique De'enregistreurs Nagra

patent

where one patent can have more than one assignee

Years Active: 1983-1991

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5067035 - Error prevention in a recording and reproducing device with at least one (1991-11-19),

2. 4611168 - Magnetic tachometer assembly (1986-09-09),

3. 4591768 - Control system for an electric motor (1986-05-27),

4. 4542663 - Reel hub assembly for tape transport (1985-09-24),

5. 4521706 - Tape driving capstan powered with a permanent magnet motor (1985-06-04),

6. 4513229 - Reel servo for tape transport (1985-04-23),

7. 4508292 - Tape loop sensing arm and tape guide for magnetic tape recording and (1985-04-02),

8. 4500817 - Tape tension sensor and servo embodying same (1985-02-19),

9. 4482901 - Method and system for thermally recording information on a metalized (1984-11-13),

10. 4459604 - Multicolor recording carrier and method of recording (1984-07-10),

11. 4415912 - Recording method and recording apparatus to record, on a grey scale, (1983-11-15),

Title: Stefan Kudelski: A Pioneer in Recording Technology

Introduction: Stefan Kudelski, hailing from Le Mont-sur-Lausanne, Switzerland, is a noteworthy inventor renowned for his groundbreaking contributions to recording technology. With an impressive portfolio boasting 11 patents, Kudelski has significantly impacted the audio and video industries through his innovations.

Latest Patents: One of Kudelski's latest inventions focuses on error prevention in recording and reproducing devices, particularly featuring a magnetic tachometer assembly. This tachometer assembly consists of two toothed rings that are aligned axially, with closely spaced teeth that alter the magnetic flux as the rings rotate. This allows a coil mounted coaxially to sense variations in magnetic flux, enhancing the reliability of recordings.

Career Highlights: Throughout his career, Stefan Kudelski worked for several prominent organizations, including Ampex Corporation and Kudelski S.A. His tenure at these companies allowed him to develop and refine technologies that would become industry standards.

Collaborations: Kudelski's journey in innovation was marked by collaborations with notable individuals such as Jean-Claude Schlup and Ernest Rosselet. Their combined expertise played a crucial role in advancing the technologies that emerged from Kudelski's ventures.

Conclusion: Stefan Kudelski's enduring legacy in the field of recording technology is underscored by his numerous patents and collaborative efforts. His innovative spirit continues to inspire future generations of inventors and engineers in the quest for excellence in audio and video technology.

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