Company Filing History:

9 out of 11,277

Electronics and Telecommunications Research Institute

patents

2 out of 192

Korea Telecommunication Authority

where one patent can have more than one assignee

Years Active: 1997-2000

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6121818 - Mixer using replica voltage-current converter (2000-09-19),

2. 6011425 - CMOS offset trimming circuit and offset generation circuit (2000-01-04),

3. 5886552 - Data retiming circuit (1999-03-23),

4. 5886550 - Integrated circuit built-in type supply power delay circuit (1999-03-23),

5. 5838895 - Fault detection and automatic recovery apparatus or write-read pointers (1998-11-17),

6. 5818306 - Voltage control oscillation circuit using CMOS (1998-10-06),

7. 5656955 - Low power output buffer circuit (1997-08-12),

8. 5600269 - Low power consumption comparator circuit (1997-02-04),

9. 5600186 - Capacitor voltage divider circuit (1997-02-04),

Title: Innovations of Won-Chul Song

Introduction

Won-Chul Song is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of electronics, holding a total of nine patents. His work focuses on improving the efficiency and performance of electronic circuits.

Latest Patents

One of his latest inventions is a mixer using a replica voltage-current converter. This invention addresses the inefficiencies of conventional mixers that operate at high speeds, which tend to dissipate a lot of electrical power and exhibit low output impedance. By utilizing an additional amplifier to feedback the output current of the replica voltage-current converter, the linearity of the mixer is significantly improved. Another notable patent is the CMOS offset trimming circuit and offset generation circuit. This invention aims to obtain a corrected optimum offset value for correcting the offset generated in CMOS analog circuits. The offset trimming circuit includes a flip-flop for loading data to obtain the optimum offset value, a fuse circuit for setting the circuit with the corrected value, and a selection logic circuit for outputting a selected trimming output signal.

Career Highlights

Throughout his career, Won-Chul Song has worked with esteemed organizations such as the Electronics and Telecommunications Research Institute and the Korea Telecommunication Authority. His experience in these institutions has allowed him to develop innovative solutions that enhance electronic systems.

Collaborations

He has collaborated with notable coworkers, including Jong-Ryul Lee and Chang-Jun Oh, contributing to various projects that advance technology in the field of electronics.

Conclusion

Won-Chul Song's contributions to the field of electronics through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the development of more efficient electronic systems.

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