Hiroshi Etoh

Title: Hiroshi Etoh: Innovator in Radio LAN Technology

Introduction

Hiroshi Etoh is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of communication technology, particularly in the development of radio LAN systems. With a total of 9 patents to his name, Etoh's work has had a lasting impact on how information is transmitted wirelessly.

Latest Patents

One of Hiroshi Etoh's latest patents is a radio LAN system that implements simultaneous communication with different types of information. This innovative system includes an access point and a mobile or fixed station, each featuring a physical layer implemented by a direct spread spectrum system. The LAN system utilizes different spread codes, maintains semi-fixed transmission power, and selects frequencies and frequency bands based on the type and amount of information being transmitted. The data link layer above each physical layer comprises an LLC (Logical Link Control) sublayer and an MAC (Media Access Control) sublayer. The MAC sublayer employs a CDMA (Code Division Multiple Access) system as an access method, thereby facilitating a data structure that aligns with the kind and amount of information.

Career Highlights

Hiroshi Etoh has had a distinguished career at Oki Electric Industry Co., Ltd., where he has been instrumental in advancing communication technologies. His innovative approaches have not only enhanced the efficiency of wireless communication but have also paved the way for future developments in the field.

Collaborations

Throughout his career, Hiroshi Etoh has collaborated with notable colleagues, including Chusei Takahashi and Tadashi Amakasu. These partnerships have contributed to the successful development of various technologies and patents.

Conclusion

Hiroshi Etoh's contributions to radio LAN technology exemplify his dedication to innovation in communication systems. His work continues to influence the industry and inspire future advancements.