Masahiro Hamada

Title: Masahiro Hamada: Innovator in Digital Broadcast Technology

Introduction

Masahiro Hamada is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of digital broadcasting, holding a total of 6 patents. His work focuses on enhancing the efficiency and effectiveness of digital broadcast transmission and reception devices.

Latest Patents

Hamada's latest patents include a digital broadcast transmission device and a digital broadcast reception device. The digital broadcast transmission device generates channel combination information that associates multiple physical channels. It divides a bit stream into several bit streams, which include program-related information along with channel combination information. These divided bit streams are transmitted across the physical channels. The digital broadcast reception device selects these physical channels using multiple front ends based on the channel combination information. It demodulates the received broadcast waves and combines the resulting bit streams for output. Additionally, this device can transmit a light bit stream on a separate physical channel, which contains less information than the combined bit stream.

Another notable patent involves a method and device for determining thresholds of metric values used in a Viterbi synchronization evaluation circuit. This innovation allows for synchronization with the correct coding rate when multiple coding rates are present in the input signal to a Viterbi decoder. The device monitors the synchronous/asynchronous state of the Viterbi decoder to identify the minimum metric value threshold necessary for maintaining synchronization.

Career Highlights

Throughout his career, Masahiro Hamada has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has contributed to his expertise in digital broadcasting technologies.

Collaborations

Hamada has collaborated with esteemed colleagues, including Yoshikazu Hayashi and Takao Yamaguchi. Their combined efforts have further advanced the field of digital broadcasting.

Conclusion

Masahiro Hamada's innovative work in digital broadcast technology has significantly impacted the industry. His patents reflect a commitment to improving digital communication methods, showcasing his role as a leading inventor in this field.