Company Filing History:

9 out of 43

International Mobile Machines Corporation

patents

1 out of 1

International Mobile Machine Corporation

patent

1 out of 2,107

Interdigital Technology Corporation

patents

Years Active: 1989-1998

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5842137 - Subscriber unit for wireless digital telephone system (1998-11-24),

2. 5177741 - Subscriber unit for wireless digital telephone system (1993-01-05),

3. 5168507 - Automatic adaptive equalizer (1992-12-01),

4. 5159705 - Frequency synthesizer circuit (1992-10-27),

5. 5101418 - Digital time-multiplexed quadrature frequency upconverter (1992-03-31),

6. 5067141 - Interpolator for varying a signal sampling rate (1991-11-19),

7. 4996697 - Deglitching means for digital communication systems (1991-02-26),

8. 4994802 - Subscriber unit for wireless digital telephone system (1991-02-19),

9. 4893317 - Digital signals and frequency correction in a digital wireless system (1990-01-09),

10. 4881240 - AM equalizer circuit for digital systems (1989-11-14),

11. 4825448 - Subscriber unit for wireless digital telephone system (1989-04-25),

Title: The Innovative Contributions of Sandra J Earlam

Introduction

Sandra J Earlam, a notable inventor based in San Diego, CA, has made significant strides in the field of wireless communication technology. With an impressive portfolio of 11 patents, her work has paved the way for advancements in digital telephone systems, showcasing her expertise and innovative spirit.

Latest Patents

Among her latest inventions, Sandra has developed a dual-component system for a subscriber unit intended for wireless digital telephone systems. This groundbreaking system includes an equalizer designed to process complex I and Q samples, which are pivotal in enhancing signal clarity. The equalizer utilizes a training signal affected by inherent undesirable characteristics, allowing for the generation of weighting coefficients that optimize the output signal. Additionally, another patent focuses on a circuit that distinguishes between control and voice channels, utilizing AM hole duration to assess channel types and modes - a crucial advancement for efficient communication in wireless systems.

Career Highlights

Sandra's career has seen her engage with esteemed companies such as International Mobile Machines Corporation and International Mobile Machine Corporation, where she has honed her craft and contributed significantly to the innovation landscape in telecommunications. Her dedication and ingenuity have not only led her to numerous patents but also established her as a respected figure in her field.

Collaborations

Throughout her career, Sandra has collaborated with distinguished professionals like David N Critchlow and Karle J Johnson. These partnerships demonstrate her ability to work within teams effectively, driving innovative solutions and contributing to the shared success of her projects.

Conclusion

Sandra J Earlam's contributions to the invention of technologies in wireless communication illustrate a trajectory marked by innovation and collaboration. As she continues to develop her technologies, her impact on the industry and future inventions is anticipated to be profound.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.