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For the Inventor, By the Inventor

Eindhoven, Netherlands

Theodoor A Claasen

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 219(Granted Patents)


Company Filing History:

goldMedal15 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1976-1989

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15 patents (USPTO):Explore Patents
1. 4856026 - Data transmission system comprising smearing filters (1989-08-08),
2. 4835765 - Arrangement for full-duplex data transmission over two-wire circuits (1989-05-30),
3. 4807173 - Frequency-domain block-adaptive digital filter (1989-02-21),
4. 4672633 - Data transmission system (1987-06-09),
5. 4660216 - Transmission system for the transmission of data signals in a modulation (1987-04-21),
6. 4517655 - Multiplier circuit for multiplying an information signal by a periodic (1985-05-14),
7. 4435774 - Method of and arrangement for calculating the discrete Fourier transform (1984-03-06),
8. 4393273 - FM-Receiver with transmitter characterization (1983-07-12),
9. 4318086 - (b+a)-Bit-A/D convertor with b-bit auxiliary A/D convertor (1982-03-02),
10. 4306222 - (b+a)-Bit D/A converter with b-bit auxiliary D/A converter (1981-12-15),
11. 4131764 - Arrangement for converting discrete signals into a discrete (1978-12-26),
12. 4100378 - Cross-correlation arrangement (1978-07-11),
13. 4034196 - Digital signal processing device with quantizer (1977-07-05),
14. 3997770 - Recursive digital filter (1976-12-14),
15. 3978323 - Apparatus for achieving predetermined transfer characteristics (1976-08-31),

Title: The Innovative Contributions of Theodoor A. Claasen

Introduction

Theodoor A. Claasen, an accomplished inventor based in Eindhoven, Netherlands, has made significant strides in the field of data transmission technology. With a portfolio that boasts 15 patents, Claasen's work primarily focuses on enhancing the efficiency and functionality of data communication systems.

Latest Patents

Among his most recent inventions is a patent for a data transmission system comprising smearing filters. This innovative system features a transmitter (DTR) and receiver (DRC) designed to transmit data signals at a defined symbol rate of 1/T. By implementing discrete-time smearing filters (SM and DSM), Claasen’s system effectively combats additive pulse-like disturbances (p'(t)) found in transmission channels (TCH). Notably, his filters leverage the bandwidth-limited nature of these disturbances to simplify implementation and improve performance.

Another noteworthy patent involves an arrangement for full-duplex data transmission over two-wire circuits. This system consists of a transmit channel connected to a baseband data transmitter, as well as a receive channel linked to a baseband data receiver. In this design, Claasen integrates a courteous combination of smearing filters, echo canceller, and delay mechanisms, ensuring robust data transmission without increasing the complexity of the echo cancellation process.

Career Highlights

Theodoor A. Claasen has dedicated his professional life to research and development, primarily within the U.S. Philips Corporation. His innovative solutions have positioned him as a pivotal figure in enhancing telecommunications technology.

Collaborations

Throughout his career, Claasen has collaborated with several notable professionals in the field, including Wolfgang F. Mecklenbrauker and Petrus J. Van Gerwen. These partnerships have undoubtedly contributed to his success as an inventor and have enriched the collective knowledge of data transmission.

Conclusion

Theodoor A. Claasen’s contributions to the realm of data transmission through his inventive patents showcase his expertise and commitment to advancing communication technologies. His work not only addresses current technological challenges but also paves the way for future innovations in the industry.

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