Company Filing History:

12 out of 3,387

Northrop Grumman Systems Corporation

Years Active: 1991-2025

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12320697 - Beam alignment system (2025-06-03),

2. 10284358 - Clock and frame synchronization carried as a single composite signal allows the use of a single transmission line with a narrower bandwidth (2019-05-07),

3. 10122527 - Signal phase tracking with high resolution, wide bandwidth and low phase noise using compound phase locked loop (2018-11-06),

4. 9741245 - Method and apparatus for producing optical tracking and nutation at high frequencies with low power (2017-08-22),

5. 9641312 - Method for symbol clock recovery in pulse position modulation (PPM) systems (2017-05-02),

6. 9503294 - Amplitude and phase shift keying modulation for saturated amplifier systems (2016-11-22),

7. 7929640 - High speed differential encoder and interleaver (2011-04-19),

8. 7342971 - Bipolar waveform modulation for ultra wideband (UWB) communication networks (2008-03-11),

9. 6784728 - Low noise switched low pass filter with benign transients (2004-08-31),

10. 6680654 - Phase locked loop with offset cancellation (2004-01-20),

11. 6570457 - Phase locked loop using sample and hold after phase detector (2003-05-27),

12. 6563389 - Phase locked loop with charge injection cancellation (2003-05-13),

13. 5051627 - Superconducting nonhysteretic logic design (1991-09-24),

Title: The Ingenious Inventions of Gerald R Fischer

Introduction: Gerald R Fischer, based in Playa Del Rey, California, is a remarkable inventor known for his contributions to digital signal processing and clock recovery systems. With an impressive portfolio of 12 patents, Fischer has made significant advancements in high-speed communication technologies, enhancing the efficiency of data transmission.

Latest Patents: Among his latest innovations, one noteworthy patent focuses on "Clock and frame synchronization carried as a single composite signal allows the use of a single transmission line with a narrower bandwidth." This invention generates a composite high-speed clock embedded with frame synchronization using simple digital encoding techniques. It enables easier transmission over standard media by reducing the required bandwidth and constraining waveform harmonic content.

Another pivotal patent by Fischer is a "Signal phase tracking with high resolution, wide bandwidth and low phase noise using compound phase locked loop." This clock recovery circuit efficiently extracts clock signals from burst data in noisy environments. It utilizes an innovative dual-loop structure that preserves signal integrity even between bursts, showcasing Fischer's mastery of complex electronic designs.

Career Highlights: Throughout his career, Gerald R Fischer has contributed to renowned organizations, including Northrop Grumman Systems Corporation and TRW Limited. His engineering expertise has propelled advancements in various projects, demonstrating his commitment to innovation in electronics and communications.

Collaborations: Fisher has worked alongside notable colleagues such as Douglas S Cockfield and Talley J Allen, forming a dynamic team that has driven numerous successful developments in the field. Their collective efforts have fostered an environment of creativity and technological progress.

Conclusion: Gerald R Fischer's impressive array of patents and his contributions to the field of digital transmission demonstrate his role as a pivotal innovator. His groundbreaking work continues to influence technologies that shape modern communication systems, marking him as a prominent figure in the world of inventions and innovations.

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