Company Filing History:

10 out of 4,791

National Semiconductor Corporation

Crane Electronics, Inc.

patents

Years Active: 1998-2014

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8890630 - Oscillator apparatus and method with wide adjustable frequency range (2014-11-18),

2. 8885308 - Input control apparatus and method with inrush current, under and over voltage handling (2014-11-11),

3. 8824167 - Self synchronizing power converter apparatus and method suitable for auxiliary bias for dynamic load applications (2014-09-02),

4. 7920026 - Amplifier output stage with extended operating range and reduced quiescent current (2011-04-05),

5. 7605659 - Gain adjustment for programmable gain amplifiers (2009-10-20),

6. 7602818 - Fibre channel transceiver (2009-10-13),

7. 7545210 - Gain adjustment for programmable gain amplifiers (2009-06-09),

8. 7545209 - Gain adjustment for programmable gain amplifiers (2009-06-09),

9. 7477113 - Voltage-controlled capacitance linearization circuit (2009-01-13),

10. 7352242 - Programmable gain trim circuit (2008-04-01),

11. 6897692 - Charge pump using dynamic charge balance compensation circuit and method of operation (2005-05-24),

12. 6853272 - Linear voltage controlled capacitance circuit (2005-02-08),

13. 6777989 - Generation of synchronized clocks to multiple locations in a system (2004-08-17),

14. 6664829 - Charge pump using dynamic charge balance compensation circuit and method of operation (2003-12-16),

15. 6642759 - Charge pump using switched capacitors for phase-locked loop control and method of operation (2003-11-04),

Title: The Innovative Contributions of Rodney Alan Hughes

Introduction

Rodney Alan Hughes is a notable inventor based in Tacoma, WA, with a remarkable portfolio of 16 patents. His work primarily focuses on advancements in oscillator technology and control circuitry, which have significant applications in various electronic systems.

Latest Patents

One of Hughes' latest patents is an oscillator apparatus and method with a wide adjustable frequency range. This invention utilizes low-cost discrete semiconductors and passive devices to create a linear periodic ramp of constant frequency. The ramp slope is based on an external voltage signal, ensuring stability over a wide range of temperatures and variations in transistor parameters. This oscillator can be phase and frequency synchronized to an external clock source, making it versatile for use in power converters and resonant mode converters. Another significant patent is the input control apparatus and method with inrush current, under and over voltage handling. This control circuitry effectively manages inrush current and monitors voltage conditions, employing innovative techniques such as a sense capacitor and current mirror to regulate current flow.

Career Highlights

Hughes has had a distinguished career, working with prominent companies such as National Semiconductor Corporation and The Boeing Company. His experience in these organizations has contributed to his expertise in electronic design and innovation.

Collaborations

Throughout his career, Hughes has collaborated with talented individuals, including Reid Adriance and Bertrand Nkei. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Rodney Alan Hughes is a significant figure in the field of electronics, with a strong focus on oscillator technology and control circuitry. His contributions through his patents demonstrate his commitment to innovation and advancement in the industry.

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