Company Filing History:

6 out of 93

North American Philips Consumer Electronics Corp.

patents

4 out of 605

Gte Sylvania Incorporated

patents

2 out of 950

North American Philips Corporation

patents

Years Active: 1976-1990

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4940440 - Weak beam scanning of cathode ray tubes (1990-07-10),

2. 4904898 - Monochrome cathode ray tube electron gun with high voltage electrode lens (1990-02-27),

3. 4832646 - Aging process for cathode ray tubes (1989-05-23),

4. 4682963 - High voltage processing of CRT mounts (1987-07-28),

5. 4633132 - Self-adhering cathode ray tube base (1986-12-30),

6. 4614896 - Getter and contact assembly for a cathode ray tube (1986-09-30),

7. 4588250 - Connective-protective adapter for a CRT base (1986-05-13),

8. 4564786 - External neck charge dissipation means for an in-line color cathode ray (1986-01-14),

9. 4124263 - Process for high voltage conditioning cathode ray tubes (1978-11-07),

10. 4111507 - Apparatus for high voltage conditioning cathode ray tubes (1978-09-05),

11. 4040708 - Cathode ray tube base (1977-08-09),

12. 3979632 - Cathode ray tube having surface charge inhibiting means therein (1976-09-07),

Sure, I will construct the article about inventor Charles H Rehkopf following the given structure.

Title: The Inventor Spotlight: Charles H Rehkopf

Introduction: Charles H Rehkopf is a prolific inventor based in Seneca Falls, NY, with a remarkable portfolio of 12 patents to his name.

Latest Patents:

1. **Weak beam scanning of cathode ray tubes:** In this innovation, Rehkopf addressed the reduction of dark center cathodes and residual gas in cathode ray tubes by introducing a step involving scanning the mask and screen with a weak, defocused electron beam. This process occurs after getter flashing and preferably before aging.

2. **Monochrome cathode ray tube electron gun with high voltage electrode lens:** Rehkopf's work also includes the development of a monochrome cathode ray tube featuring an electron gun with a unique focusing electrode design. This design, with an upper cup-shaped portion and a lower inwardly tapering sidewall, is particularly suited for use in monochrome cathode ray tubes for projection color television.

Career Highlights:

During his career, Rehkopf made significant contributions while working at North American Philips Consumer Electronics Corp. and GTE Sylvania Incorporated. These experiences allowed him to further refine his expertise in the field of electronics and display technologies.

Collaborations:

Rehkopf collaborated with esteemed professionals such as Ralph E Neuber and Franklin G Reigel, harnessing their collective knowledge and expertise to push the boundaries of innovation in the electronics industry.

Conclusion:

In conclusion, Charles H Rehkopf's groundbreaking work in the field of cathode ray tubes and electron gun design highlights his ingenuity and passion for advancing technology. His patents stand as a testament to his innovative spirit and relentless pursuit of excellence in the realm of electronics.

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