Company Filing History:
2 out of 3 
1 out of 6 Years Active: 1988
Title: The Innovations of James Henden
Introduction
James Henden is an accomplished inventor based in Sunnyvale, California. He holds two patents that showcase his expertise in the field of electronics and laser technology. His innovative contributions have made a significant impact in various applications.
Latest Patents
One of Henden's latest patents is a linear power amplifying system. This system features a power MOSFET linear amplifier that includes multiple paralleled MOSFETs. These MOSFETs are equipped with gate-to-source resistors to ensure simultaneous turn-on and load current sharing. The design incorporates an arc lamp connected in series with a 400-volt power supply and a variable ballast element. The linear amplifier consists of four similar modules, each constructed with eight MOSFETs connected in parallel. The gate-to-source resistors are laser trimmed to achieve precise equalized current sharing under operating conditions. This innovative design allows for reliable operation and effective heat dissipation.
Another notable patent by Henden is a variable frequency short cavity dye laser. This system is particularly useful for generating short pulses in response to excitation laser pulses. The dye is contained between opposing mirrors that form a short cavity within a replaceable cell. The mirror spacing is adjustable, allowing for control over the frequency of the laser output. The self-contained cell includes a dye reservoir that maintains continuous liquid communication with the cavity, ensuring a fresh supply of dye.
Career Highlights
Throughout his career, James Henden has worked with several prominent companies, including Quantel International, Inc. and Gentron Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in the field.
Collaborations
Henden has collaborated with notable individuals such as Paul H Pax and Pay H Chiu. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
James Henden's contributions to the fields of electronics and laser technology are noteworthy. His innovative patents reflect his dedication to advancing technology and improving existing systems. His work continues to influence the industry and inspire future inventors.