Mitsuo Chiba

Title: Mitsuo Chiba: Signal Processing and Video Recording Innovations.

Introduction. Mitsuo Chiba is an inventor associated with Osaka, Japan, and Matsushita Electric Industrial Co., Ltd. His work includes inventions in signal correction and video recording technology. Chiba is credited with 4 patents.

Latest Patents. “Error Compensation Using an Inserted Reference Waveform” describes a system that inserts a reference waveform, preferably a ramp, into an analog information signal at periodic intervals. The system detects the waveform during playback or reception and uses it to identify errors affecting the signal. A correction circuit stores the relationship between the original and detected reference waveforms, then applies the resulting correction to the information signal.

“Video Signal Recording Method and Apparatus for Field-Segment Recording” presents a method for recording each video field as multiple segments on separate magnetic-tape tracks. The segments contain sequentially ordered scanning lines extending across the field. This arrangement supports correctly ordered playback at speeds above or below standard speed while using the same signal-processing circuits as standard-speed operation.

Career Highlights. Chiba’s listed patents address practical challenges in recording and reproducing analog and video signals. They focus on compensating for signal errors and maintaining image order during variable-speed playback.

Collaborations. Chiba’s listed coworkers include Tatsushi Bannai and Shigeru Awamoto. His work is associated with Matsushita Electric Industrial Co., Ltd.

Conclusion. Mitsuo Chiba’s patent work reflects contributions to signal correction and field-segment video recording, with an emphasis on reliable playback and signal quality.