Company Filing History:

11 out of 229

Asea Brown Boveri Ab

Years Active: 1989-2012

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8280690 - Signal processing method and unit for a dimension-gauging system (2012-10-02),

2. 8063648 - Method and device for demodulation of signals (2011-11-22),

3. 7117080 - Method to determine TDC in an internal combustion engine (2006-10-03),

4. 6532832 - Magnetoelastic torque transducer for improved torque measurement (2003-03-18),

5. 6324483 - Angular acceleration transducer (2001-11-27),

6. 6285719 - Digital phase sensitive rectification of AC driven transducer signals (2001-09-04),

7. 6158273 - Method and device for detecting misfiring of internal combustion engines (2000-12-12),

8. 6128964 - Torque sensor with circularly polarized magnetic ring (2000-10-10),

9. 5837910 - Method and a device for two-shaft force measurement and its application (1998-11-17),

10. 5646356 - Magnetoelastic non-contacting torque transducer (1997-07-08),

11. 5122742 - Detection of static and/or quasi-static magnetic fields in (1992-06-16),

12. 5083359 - Shielding of magnetoelastic torque transducers from low-frequency (1992-01-28),

13. 5007295 - Magnetoelastic force transducer (1991-04-16),

14. 4887471 - Compensation for sensitivity drift in magnetoelastic force transducers (1989-12-19),

15. 4873874 - Magnetoelastic torque transducer (1989-10-17),

Title: Jarl R Sobel: Innovator in Signal Processing

Introduction

Jarl R Sobel is a notable inventor based in Vasterang, Sweden, with a remarkable portfolio of 17 patents. His work primarily focuses on advancements in signal processing and dimension-gauging systems, contributing significantly to the field of electrical engineering.

Latest Patents

One of his latest patents is a signal processing method and unit for a dimension-gauging system. This innovative system determines at least one dimension of a non-ferrous, electrically conducting object by producing a magnetic field inside the object and altering the excitation of that magnetic field. The signal processing unit measures the reaction of the magnetic field to the change in excitation, obtaining an actual field transfer function. This function is then fitted to a predetermined field transfer function, allowing for the determination of the object's dimension.

Another significant patent involves a method and device for demodulation of signals. This invention provides a method for demodulating an output signal from a transducer driven by an alternating excitation signal. The transducer produces an amplitude-modulated output signal containing the quantity to be measured. The device includes sampling units to sample both the output signal from the transducer and the excitation unit. A computation unit computes complex valued quantities that include information on the amplitude and phase of the output signal, ultimately leading to the demodulated output signal.

Career Highlights

Throughout his career, Jarl R Sobel has worked with prominent companies such as Asea Brown Boveri AB and ABB AB. His contributions to these organizations have been instrumental in advancing technologies related to signal processing and measurement systems.

Collaborations

Jarl has collaborated with notable coworkers, including Lars Rnholmer and Par Gustafsson, further enhancing his innovative work in the field.

Conclusion

Jarl R Sobel's contributions to signal processing and dimension-gauging systems highlight his status as a leading inventor in the field. His patents reflect a deep understanding of complex engineering principles and a commitment to innovation.

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