Company Filing History:

11 out of 2,692

Thomson-csf

Years Active: 1976-1984

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4472810 - Charge-transfer modulator-demodulator (1984-09-18),

2. 4398099 - Switched-capacitance amplifier, a switched-capacitance filter and a (1983-08-09),

3. 4377760 - Device for reading a quantity of electric charge (1983-03-22),

4. 4309678 - Sampling filter (1982-01-05),

5. 4264884 - Charge transfer filtering device (1981-04-28),

6. 4194172 - Apparatus for filtering an electrical signal with a charge-coupled device (1980-03-18),

7. 4145675 - Charged-coupled device filter (1979-03-20),

8. 4125747 - Telephone switching circuit (1978-11-14),

9. 4103110 - Telephone transmission system comprising digitally processing frequency (1978-07-25),

10. 4092723 - Computer for computing a discrete Fourier transform (1978-05-30),

11. 4013896 - High-speed logic gate with two complementary transistors and saturable (1977-03-22),

12. 3986177 - Semiconductor store element and stores formed by matrices of such (1976-10-12),

Title: The Innovative Contributions of Jean-Edgar Picquendar

Introduction

Jean-Edgar Picquendar is a notable inventor based in Paris, France, recognized for his significant contributions to the field of electrical engineering and signal processing. With a remarkable portfolio of 12 patents, Picquendar has made advancements that continue to influence modern technology.

Latest Patents

Among his latest innovations are a series of patents that showcase his expertise in charge-transfer systems. One of his prominent inventions is the "Charge-transfer modulator-demodulator," which utilizes transverse charge-transfer filters. These filters are designed with weighting coefficients that result from dividing the numerator and the denominator of a recursive charge-transfer filter, thus achieving desired passband characteristics while limiting the number of coefficients. Another groundbreaking patent is the "Switched-capacitance amplifier and switched-capacitance filter." This device consists of n capacitors that can be periodically switched in both parallel and series configurations. By being charged simultaneously with the same voltage, the device can produce an amplified voltage between the end terminals, accomplished through the operation of MOS transistors integrated on a single semiconductor substrate.

Career Highlights

Throughout his career, Picquendar has contributed to esteemed companies such as Thomson-CSF, where his work laid the foundation for numerous technological advancements in telecommunications and signal processing. His innovative spirit and relentless pursuit of excellence have positioned him as a key player in his field.

Collaborations

Picquendar has had the opportunity to collaborate with notable colleagues, including Roger Benoit-Gonin and Jean-Luc Berger. These partnerships have allowed him to share ideas and further advance the technology behind his inventions, enhancing the impact of their collective efforts in the industry.

Conclusion

Jean-Edgar Picquendar's work has left an indelible mark on the field of electrical engineering. His 12 patents reflect his innovative mindset and dedication to advancing technology. As his latest inventions continue to provide valuable solutions, Picquendar's legacy as an influential inventor will undoubtedly endure within the technological community.

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